CN105555504A - Packaging materials and methods for their preparation and use - Google Patents
Packaging materials and methods for their preparation and use Download PDFInfo
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- CN105555504A CN105555504A CN201380078825.9A CN201380078825A CN105555504A CN 105555504 A CN105555504 A CN 105555504A CN 201380078825 A CN201380078825 A CN 201380078825A CN 105555504 A CN105555504 A CN 105555504A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- B65D2203/12—Audible, olfactory or visual signalling means
Abstract
The application discloses packaging materials and methods for their preparation and use. According to the invention, food packaging and methods of making and using such packaging are disclosed. Food packaging having at least one agent may be disposed within a shape memory polymer which is adapted to release the agent in response to a stimulus. Such packaging may be used, for example, to detect environmental conditions during transport or storage, maintain a temperature of the food to preserve food quality, or provide a pleasant sensory experience to a consumer.
Description
Background technology
Temperature control system for packing can contribute to keeping quality of food.The refrigeration with imperfect packaging that transport or client do not refrigerate in time between cold storage place or frozen food will benefit from better insulation to dispose after storing, transport and purchasing.Equally, consumer can be allowed to enjoy the food that should heat expediently from heating packaging.Therefore, demand is existed for the food Package solution improving quality of food compared with standard pack.
Summary of the invention
Embodiment disclosed in the document relates to the packaging with at least one agent be arranged in shape-memory polymer, and this shape-memory polymer is suitable for the release action agent in response to stimulation.This packaging can be configured to such as preserve food or beverage.This packaging can be used for such as detecting the environmental condition between transport or storage life, keeps the temperature of food to maintain quality of food, or provides the sensory experience of pleasant for client.
Some embodiments relate to the method making packaging, and comprise and be arranged in shape-memory polymer by least one agent, wherein said shape-memory polymer is suitable for the release action agent in response to stimulation.
Some embodiments relate to the method using packaging, comprising: provide the packaging with at least one agent be arranged in shape-memory polymer; And provide stimulation to make shape-memory polymer be out of shape, from shape-memory polymer, discharge agent thus.
General introduction is above only exemplary, and is not intended to limit by any way.By reference to accompanying drawing and detailed description below, except exemplary scheme as described above, embodiment and feature, other scheme, embodiment and feature will become high-visible.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of the example package with shape-memory polymer, and this shape-memory polymer is the shape of cylindrical rod, and when being exposed to stimulation, cylindrical rod is opened, and forms decorating.
Fig. 2 shows the schematic diagram of the example package with shape-memory polymer, as left side shows this shape-memory polymer, there is dull and stereotyped wall, when being exposed to stimulation, this dull and stereotyped wall shrinks, upsweeps, form the ornamental colored shape decoration as right side display, and when the sealant encapsulating shape-memory polymer breaks in response to contraction, cause the bursting property of agent to discharge (as star is burst shown).
Fig. 3 A-3E shows the shape-memory polymer making the decoration of various shape according to this paper embodiment.Fig. 3 A shows the example being shaped to the decoration of leaf that the method for embodiment herein can be utilized to make.Fig. 3 B shows the example being shaped to the decoration of leaf that the method for embodiment herein can be utilized to make.Fig. 3 C shows the example being shaped to the leafage part of the bowl keeping food that the method for embodiment herein can be utilized to make.Fig. 3 D show as sushi packaging part, the example of the herein leafage part packaging of embodiment.Fig. 3 E shows the example being shaped to colored decoration that the method for embodiment herein can be utilized to make.
Fig. 4 A-4D depict according to this paper embodiment be exposed to stimulation time exemplary shape-memory polymer stage of conversion.Fig. 4 A depicts in the spiral-shaped shape-memory polymer of screw taper, when being exposed to stimulation, slowly launches as shown in 4B.Fig. 4 C is bent tube form, depicts the further stage of the conversion of shape-memory polymer, and shape-memory polymer launches and shape is straight, fixing tubulose as shown in Figure 4 D.
Fig. 5 A-5C depict according to this paper embodiment be exposed to stimulation time shape-memory polymer stage of conversion.Fig. 5 A shows the shape-memory polymer being in its original tubulose, when being exposed to stimulation, starts inwardly curling as shown in Figure 5 B, creates gimlet (corkscrew) shape the earliest as shown in Figure 5 C.
Fig. 6 shows the shape change characteristic of shape-memory polymer in response to variations in temperature of embodiment described herein.X-axis is the time, and y-axis is temperature.
Fig. 7 A-7D shows the molecule mechanism of the photo-induced SME of graft polymers net: the photosensitive base (hollow triangle) of Fig. 7 A is covalently attached to permanent polymerization thing net (filled circles after stretching and photofixation, permanent crosslinked), form light reversible crosslink (solid diamond), as shown in fig.7b; Fixing and the recovery shown in Fig. 7 D shown in Fig. 7 C of temporary shapes is realized by the UV light irradiation of suitable wavelength.
Fig. 8 A-8C shows the schematic diagram of shape memory recuperation, and wherein Fig. 8 A shows and switches the lax original-shape of segment; Fig. 8 B shows and switches the segment intermediate shape fixing in transition due to temperature drop; And Fig. 8 C shows and switches that segment is again lax reversely returns original-shape.
Fig. 9 A-9E shows the magnetic induction SME of thermoplasticity shape memory composites in 22 seconds that the nano particle that is made up of (II) particle of iron oxide in silica substrate and polyether-polyurethane is formed.
Detailed Description Of The Invention
In the following detailed description, with reference to accompanying drawing, figures constitute a part for detailed description.In the accompanying drawings, unless the context, otherwise the similar parts of similar symbol ordinary representation.Exemplary embodiment described in detailed description, accompanying drawing and claim is not intended to restriction.Under the prerequisite of spirit or scope not departing from the theme presented herein, other embodiment can be used, and other change can be made.By understandable, as roughly described herein and as illustrated in figure, scheme of the present disclosure can arrange, substitute, combine, is separated and designs with various different configuration, all these in the scope of the present disclosure in visualize clearly.
Embodiment described herein relates to packaging, and this packaging has at least one agent be arranged in shape-memory polymer, and this shape-memory polymer is suitable for the release action agent in response to stimulation.This packaging can be configured to such as preserve food or beverage.In certain embodiments, agent delivery mode of can bursting discharges from shape-memory polymer.In certain embodiments, agent can the mode of slow releasing discharge from shape-memory polymer.Agent can comprise cooling agent, aromatic, heating agent, sight indicator or adminicle, antiseptic, medicine, medicament, the formation of noise agent or its combination.Such as, agent can be included in the salt that exothermic reaction can occur when being dissolved in the water, the salt that the endothermic reaction can occur when being dissolved in the water, essential oil, carbon dioxide pressurized or its combination.
In certain embodiments, agent is arranged on the surface of shape-memory polymer.In the embodiment shown in fig. 1, agent 102 can be stored in the kernel 101 of shape-memory polymer 100.Shape-memory polymer 100 can be shaped to bulk polymer rod, and agent 102 is released when being exposed to stimulation, and arrives in hydrophilic matrix owing to actuating.Such as, bulk polymer rod is opened when being exposed to stimulation and release action agent 102, such as cooling agent, aromatic, heating agent, sight indicator or adminicle, antiseptic, medicine, medicament, the formation of noise agent or its combination, thus produces sensory experience.In an alternate embodiment of the invention, as shown in Figure 2, agent 201 can be stored in material seal agent and to be coated on the plate face 203 of shape-memory polymer 200.In fig. 2, when shape-memory polymer shrinks 202, shape-memory polymer becomes spiral-shaped when being exposed to the stimulation of such as variations in temperature from even shape, by making the capsule 204 encapsulating shape-memory polymer 200 break, and can release action agent 201.As shown in Figure 3, shape-memory polymer can be shaped to food cosmetics part 300, it is such as the food cosmetics part of leaf (Fig. 3 A to 3D) or flower (Fig. 3 E) shape, and can change to make, when shape-memory polymer becomes another kind of shape from a kind of shape conversion, ornamental " paper folding " effect can be provided by design shape.
In certain embodiments, agent can be the salt that the endothermic reaction can occur when being dissolved in the water.In certain embodiments, agent can be selected from following: ammonium nitrate, lithium chloride, potassium chloride, ammonium nilrite, potassium rhodanide, ammonium thiocyanate, KI, ammonium chloride, natrium nitrosum, sodium nitrate, sodium acetate, sodium carbonate, sodium chloride, sodium sulphate, sodium thiosulfate, sodium phosphate, urea, xylitol, sorbierite, glycerine, maltitol, sucrose, glucose, ptyalin, lipase, mannose, sugar, carbohydrate and combination thereof.
In certain embodiments, agent can be the salt that exothermic reaction can occur when being dissolved in the water.Such as, agent can be selected from following: lithium chloride, magnesium chloride, potash, magnesium sulfate, calcium sulfate, calcium chloride, calcium oxide, aluminium chloride, aluminum sulfate, alum and combination thereof.
In certain embodiments, agent can be the essential oil from selecting as follows: agar oil, ajawa oil, Angelica root oil, aniseed oil, asafoetide, face cream oil, basil, oreodaphene, bergamot oil, black pepper essential oil, the withered oil of cloth, birch oil, camphor, cannabis essential oil, caraway seed oil, cardamon seed oil, carrot seed oil, cedar oil, Chamomile oil, calamus root, cinnamon oil, labdanum oil, citronella oil, sage oil, caryophyllus oil, coriander oil, coffee, coriander, oil of tansy, the banksia rose, Cranberry seed oil, piper cubeba, cymin oil, cypress, cyperus scariosus, curry leaves, davana oil, dill oil, elecampane, eucalyptus oil, fennel seeds seed oil, fenugreek oil, fir, frankincense oil, galangal, galbanum, pelargonium oil, ginger oil, Goldenrod, oil of grapefruit, nail caul-fat, strawflower, citrene, pecan oil, horse radish oil, hyssop, Idaho State tansy, jasmine oil, juniper berry oil, lavender oil, lemon oil, lemon grass, blue or green lemon, litsea citrate oil, oranges and tangerines, marjoram, cajeputtree, tea oil, melissa oil, peppermint oil, bee saage peppermint, mustard oil, mugwort oil, myrrh oil, hill gooseberry, nim oil, flores aurantii, nutmeg, orange oil, origanum oil, orris oil, Pa Luosheng, parsley oil, patchouli oil, Fructus Perillae quintessence oil, pennyroyal oil, green pepper peppermint oil, orange leaf, pine tar, Luo Wenshaye, pencil cedar, flores anthemidis, attar of rose, rose hip oil, rosemary oil, rosewood oil, sage oil, sassafras oil, savory oil, sandalwood oil, magnolia vine fruit oil, oleum menthae viridis, rhizoma nardostachyos, dragon spruce, star anise oil, red tangerine, estragon oil, thyme linaloe oil, Chinese hemlock spruce, root tuber of aromatic turmeric, valerian, vetiver oil, ω-3 oil, linseed oil, fish oil, butter, tung oil, banana oil, western pencil cedar, Chinese ilex, milfoil oil, Yilan, curcuma zedoary, and any combination.
As used herein, shape-memory polymer is the polymer of the ability with " memory " macroscopic view (forever) shape, handled under certain temperature and pressure condition and be fixed to shape that is interim and dormancy, and being relaxed when being exposed to stimulation as macroshape.With marmem (such as, metal alloy, as Ni-Ti) compare, shape-memory polymer as herein described advantageously can have high elastic deformation (for most of material, elastic deformation reaches more than 200%), low-density, biodegradable and biocompatibility, and possibility cost is low.This polymer also for the different adjustment that should be used for, and can easily can be processed.The high resiliency distortion of this shape-memory polymer allows significantly to shrink when irriate.In some embodiments, be the temporary fixed of deformed shape structure in this segment for a prerequisite of stable temporary shapes.In some embodiments, temporary transient, reversible crosslinked can be covalent bond or physical crosslinking.In some embodiments, physical crosslinking can be the crystal grain being modified to viscous state.
In certain embodiments, distortion makes shape-memory polymer be fixed on the second temporary shapes.This temporary shapes can keep, until setting body is exposed to suitable stimulation, this causes the recovery of original-shape.In certain embodiments, temporary shapes can recover its original-shape at the end of stimulation one.Recovery period occur motion can limit in advance because its with cause the mechanically deform of temporary shapes converse.The shape-memory polymer of embodiment herein has lightweight and allows the high advantage stretched.The different structural parameters of molecular structure, can make adjustment shape-memory polymer to adapt to the demand of specific F&B packaging applications, as the transition temperature (T of adjustment for starting change in shape
trans), thus allow the cooling agent of its interior encapsulating of shape-memory polymer outburst release.Such as, for thermally sensitive shape-memory polymer, wherein some segment of shape-memory polymer serves as molecular switch (switching segment), T
transit is the thermal transition temperature switching phase.Fig. 8 A-8C shows the molecular structure of thermal induction shape-memory polymer, and wherein said switching segment at first lax (Fig. 8 A) and become elongated when polymer is cooled and fix (Fig. 8 B).As used herein, switching segment is promote the functional group of change in shape or stimulate responsive territory.When heated, shape-memory polymer returns to its original shape (Fig. 8 C), and switches segment and again become lax.
In certain embodiments, shape-memory polymer can be suitable for experiencing change in shape in response to stimulation with release action agent.Such as, shape-memory polymer can experience the change in shape from even shape to curly form, the change in shape from curly form to even shape, from tubulose to spiral-shaped change in shape, from spiral-shaped to the change of tubulose, or its combination.In certain embodiments, shape-memory polymer can become from closed structure in response to stimulation and opens structure.In certain embodiments, shape-memory polymer can shrink.In certain embodiments, can the breaking at least partially of shape-memory polymer.Such as, change in shape can cause the capsules break comprising agent, and wherein capsule is formed by shape-memory polymer.In certain embodiments, change in shape can be reversible or irreversible.In certain embodiments, change in shape can be interim or permanent.
In certain embodiments, shape-memory polymer can comprise cinnamic acid, starch, polyether-polyurethane matrix, triphenylmenthane colorless derivatives, azobenzene, biopolymer, poly-(2-methyl-2-oxazoline), poly-(silsesquioxane), high impact polystyrene rigidity, crosslinked polyethylene and polyethylene/nylon 6 graft copolymer, using trans-polyisoprene, crosslinked vinyl-vinyl acetate copolymer, styrene-based polymer, acrylate based polyalcohol, polynorbornene, crosslinked polycyclic octene, epoxy-based polymerization thing, mercaptoalkenyls polymer, block polyurethane, block polyurethane ionomer, poly-(3-hydroxy alkane acid ester), comprise the copolymer of dodecanedioic acid or decanedioic acid monomer and bile acid based polyester, or its combination.
In certain embodiments, shape-memory polymer comprises edible polymer.Edible polymer can comprise starch, poly-epsilon-caprolactone-altogether-glycolide-dimethylacrylate, or other biopolymer.
As used herein, shape recovers ratio R
rquantize the ability that shape-memory polymer remembers its permanent shape.The shape that shape-memory polymer can have about 80% to about 1000% recovers ratio.In certain embodiments, it can be about 80% to about 900% that shape recovers ratio, about 80% to about 800%, about 80% to about 700%, about 80% to about 600%, about 80% to about 500%, about 80% to about 400%, about 80% to about 300%, about 80 to about 250%, about 80% to about 200%, about 80% to about 150%, about 80% to about 100%, about 100% to about 900%, about 100% to about 800%, about 100% to about 700%, about 100% to about 600%, about 100% to about 500%, about 100% to about 400%, about 100% to about 300%, about 100% to about 250%, about 100 to about 200%, about 100% to about 150%, about 150% to about 1000%, about 200 to about 1000%, about 250% to about 1000%, about 300% to about 1000%, about 400% to about 1000%, or its combination.In certain embodiments, shape recovers ratio can be about 100%, about 150%, about 200%, about 250%, about 300%, about 400%, about 500%, about 600%, about 700%, about 800%, about 900%, about 1000%, or the scope between arbitrary value in these values.
The shape of strain controlled protocol is recovered ratio and is:
wherein ε is apparent strain, ε
mthe default strain in cyclic thermo-mechanical experiment, ε
pbe the recovery strain in cyclic thermo-mechanical experiment, N is periodicity, R
rthat shape recovers ratio.The shape of stress controlled test agreement is recovered ratio and is,
wherein ε
1be cooled to temperature T
lowstrain afterwards, ε
pbe the recovery strain in cyclic thermo-mechanical experiment, N is periodicity, R
rthat shape recovers ratio.In strain controlled protocol, the strain stress occurred during the program step in N number of cycle
m-ε
p(N-1) with the strain stress occurred in current SME (" SME ") period
m-ε
p(N) change is relevant.Applying under the unstress state before yield stress, two continuously across cycle in the strain of sample by ε
pand ε (N-1)
p(N) represent.At N number of cycle ε
1(N) be cooled to temperature after stress program controlled and unstressed recovery when, shape is recovered ratio R r and is quantized material and remember the ability of its permanent shape.For this purpose, the change ε of the strain occurred during the program step in N number of cycle
1(N)-ε
p(N) with the strain variation ε occurred due to SME
1(N)-ε
p(N-1) compare.
As used herein, shape fixed ratio can be used to the ability that quantification shape-memory polymer fixedly causes the distortion of temporary shapes (such as stretching).In certain embodiments, shape-memory polymer can have the shape fixed ratio of about 100% to about 1000%.In certain embodiments, shape fixed ratio can be about 100% to about 900%, about 100% to about 800%, about 100% to about 700%, about 100% to about 600%, about 100% to about 500%, about 100% to about 400%, about 100% to about 300%, about 100% to about 250%, about 100 to about 200%, about 100% to about 150%, about 150% to about 1000%, about 200% to about 1000%, about 250% to about 1000%, about 300% to about 1000%, about 400% to about 1000%, or its combination.In certain embodiments, shape fixed ratio can be about 100%, about 150%, about 200%, about 250%, about 300%, about 400%, about 500%, about 600%, about 700%, about 800%, about 900%, about 1000%, or the scope between arbitrary value in these values.
The shape fixed ratio of strain controlled protocol is:
wherein ε
uthe fixing strain in cyclic thermo-mechanical experiment after unloading, ε
mbe the default strain in cyclic thermo-mechanical experiment, N is periodicity, R
fit is shape fixed ratio.The shape fixed ratio of stress controlled protocol is
wherein ε
1be cooled to temperature T
lowstrain afterwards, ε
mbe the default strain in cyclic thermo-mechanical experiment, N is periodicity, R
fit is shape fixed ratio.In strain program controlled agreement, R
fthe strain stress under unstress state is in after being recalled by the pulling force stress in N number of cycle
uand maximum strain ε (N)
mratio provide.When stress program controlled agreement, R
fby the tension strain ε after unloading
u(N) be cooled to temperature T
lowσ=σ afterwards
mmaximum strain ε in situation
1(N) ratio.
In certain embodiments, stimulation can comprise temperature raise, temperature decline, ultraviolet (UV) light exposure, infrared ray (IR) light exposure, magnetic field change, pH change, ion concentration change, water concentration change, electric field change or its combination.
In certain embodiments, shape-memory polymer can experience light reversible reaction and be cross-linked to form reversible chemical, realizes change in shape with fixing temporary shapes.In certain embodiments, the reversible stimulation of light can be the light of suitable wavelength, such as ultraviolet (UV) light or infrared ray (IR) light.Photaesthesia group can comprise triphenyl methane procrypsis derivative, azobenzene, or their combination.Such as, triphenyl methane procrypsis derivative can be stimulated by the UV light had at least about the wavelength of 270nm.Azobenzene can be stimulated by the UV light with the wavelength being about 330nm to about 380nm, to realize Trans-cis transition, or stimulates to realize cis-trans transition at least about the UV light of the wavelength of 420nm by having.Fig. 7 shows the molecular mechanism (people such as Behl, ShapeMemoryPolymersandShape-ChangingPolymers, AdvancesinPolymerScience, Vol.226,2010, pp.1-40) of the photoinduction SME of graft polymers net.As shown in Figure 7A, photosensitive base (hollow triangle) is covalently attached to permanent polymerization thing net (filled circles is forever cross-linked), forms light reversible crosslink (solid diamond) as shown in Figure 7 B.Fixing and shown in Fig. 7 D the recovery shown in fig. 7 c of temporary shapes is realized by the UV light irradiation of suitable wavelength.The photosensitive group being incorporated to such as molecular switch in polymeric web can make the development realizing photoinduced SMP.In this way, SME can be brought out independently by any temperature effect.Replace the temperature raising sample, the light of different wavelength range can be used for the recovery of the fixing of temporary shapes and permanent shape.CA or Chinese cassia tree acetic acid (CAA) can be used as the photosensitive molecular switch of molecule level, because they can form covalent cross-linking each other when the light irradiation by suitable wavelength in [2+2] cycloaddition reaction.When these keys of light irradiation with different suitable wavelengths, these keys can separate again.Can comprise program loop and make sample deformation arrive maximum strain ε
m, after this use the UV light irradiation of λ >260nm, thus the polymer segment of strain is fixed on their deployed configuration by newly-generated covalent bond.When with there is the light irradiation sample of wavelength X <260 and the new covalent bond formed disconnects time, can permanent shape be recovered.
In certain embodiments, change in shape can be brought out by magnetic field.In certain embodiments, magnetic nano particle can add in polymer.In certain embodiments, polymer can be polyether-polyurethane matrix.In certain embodiments, stimulation can be alternating magnetic field.In certain embodiments, alternating magnetic field can have the frequency of about 150kHz to about 400kHz.In certain embodiments, alternating magnetic field can have about 7kAm
-1to about 30kAm
-1magnetic field intensity (H), about 10kAm
-1to about 30kAm
-1magnetic field intensity, about 15kAm
-1to about 30kAm
-1magnetic field intensity, about 20kAm
-1to about 30kAm
-1magnetic field intensity, about 25kAm
-1to about 30kAm
-1magnetic field intensity, or their combination.In certain embodiments, the magnetic field intensity of alternating magnetic field can be about 7kAm
-1, about 10kAm
-1, about 15kAm
-1, about 20kAm
-1, about 25kAm
-1, about 30kAm
-1or in these values any two value between scope.The magnetic field of varying strength and/or frequency also can use in the scope of the present disclosure.
Shape-memory polymer can scribble sealant.In certain embodiments, when shape-memory polymer experience change in shape, sealant can be broken.In certain embodiments, agent can be packed.In certain embodiments, sealant can from starch, poly-(melocol), amino resins, polyamide, polyurethane, gelatin, cellulose, polyvinyl acetate, urea-resorcinol formaldehyde, or select in their combination.
Shape-memory polymer can be arranged in hydrophilic matrix.In certain embodiments, agent can be discharged in hydrophilic matrix.In certain embodiments, when discharging from shape-memory polymer, agent can react with hydrophilic matrix.In certain embodiments, agent can react with hydrophilic matrix in exothermic process.In an alternate embodiment of the invention, agent can react with hydrophilic matrix in endothermic process.
In certain embodiments, hydrophilic matrix can comprise the polymer be combined with water.In certain embodiments, agent is discharged in hydrophilic polymer matrix and triggers neither endothermic nor exothermic reaction.In an embodiment, polymer can be polyvinyl alcohol.In certain embodiments, hydrophilic matrix can form a part for packaging.Such as, hydrophilic matrix can form one deck ' leaf ' or petal in the exemplary packaging of shape class floweriness.In certain embodiments, hydrophilic matrix can comprise hydroxypropyl methylcellulose (HPMC), hydroxypropyl cellulose (HPC), PEO (PEO), polyvinyl alcohol, or their combination.
Some embodiments relate to the method making packaging, and the method comprises: be arranged in shape-memory polymer by least one agent, and wherein shape-memory polymer is suitable for the release action agent in response to stimulation.As mentioned above, can burst delivery mode or slow releasing mode of agent discharges from shape-memory polymer.In certain embodiments, the method comprises further: formalized around at least one agent by shape-memory polymer.In certain embodiments, shape-memory polymer can around the setting of at least one agent to form capsule.In certain embodiments, the method comprises further: apply shape-memory polymer with sealant.In certain embodiments, sealant can be suitable for when shape-memory polymer experience change in shape broken.In certain embodiments, the method comprises the described agent of encapsulation further.This agent can be packed before being arranged in shape-memory polymer.In certain embodiments, the method comprises further: arrange that shape-memory polymer is to be encapsulated in hydrophilic matrix by agent, makes agent when discharging from shape-memory polymer and hydrophilic matrix reacts, as described above.
Some embodiments relate to the method using packaging, and comprising: provide packaging, this packaging has at least one agent be arranged in shape-memory polymer; And the stimulation that shape-memory polymer is out of shape is provided.When applying described stimulation, agent can discharge from shape-memory polymer.The method may further include provides hydrophilic matrix, thus agent when discharging from shape-memory polymer and hydrophilic matrix react.
In certain embodiments, stimulation is provided to comprise: heating, cooling, described packaging to be exposed to ultraviolet (UV) light, described packaging to be exposed to infrared ray (IR) light, to change magnetic field, to change pH, to change ion concentration, to change water concentration, to change electric field or its combination.In certain embodiments, the stimulation that shape-memory polymer is out of shape is provided to cause change in shape.
Example
example 1: cool ornamental food Package
Prepare food Package, wherein potassium chloride is arranged in the polyester urethanes Medium Culture of bud shape.When being exposed to the target temperature of 20 DEG C, bud throws open and is discharged into by potassium chloride to be had in the hydrophilic gel matrix of hydroxypropyl cellulose.Expect that the endothermic reaction occurs between potassium chloride and hydroxypropyl cellulose carrys out cooling beverage or food.It is unexpected that release can occur after buying and removing from refrigerator.
example 2: sense of smell temperature compensation food Package
Wheaten food food (pastadish) is disposed in dual-layer plastic tray, and this dual-layer plastic tray has and is arranged on shape-memory polymer between two plastic layers, that be made up of the polyethylene be cross-linked and polyethylene/nylon class 6 graft copolymer.The hydrophilic matrix be made up of hydroxypropyl cellulose is arranged in the layer above shape-memory polymer, and calcium sulfate, lemon grass aromatic and the carbon dioxide capsule pressurizeed are arranged on the below of described shape-memory polymer.In microwave heating process, shape-memory polymer experience change in shape is to a temporary shapes, and calcium sulfate is released in hydrophilic matrix.Calcium sulfate and hydroxylated cellulose are hoped the temperature that generation exothermic reaction keeps warm to make food.Burst release also discharges the fragrance of lemon grass, and ejects the noise of (in Pi crack) due to the release of the carbon dioxide capsule of pressurization, to promote the joyful sensory experience of consumer.
example 3: heat detects packaging
Ammonium nitrate is arranged in the packaging in high impact polystyrene for the storage of food and transport.At storage and In transit, when reaching the target temperature of 40 DEG C, heat absorbent is released to be had in the hydrophilic matrix of hydroxypropyl methylcellulose, thus the content of cooling packing.The change in shape of high impact polystyrene also can notify that recipient meets with excessive storage temperature.
example 4: heat food is packed
Prepare magnesium sulfate and be arranged in packaging for foodstuff in shape-memory polymer.Shape-memory polymer comprises azobenzene.As bought in the process of food product, discharge magnesium sulfate by laser scanner (infrared ray) is pointed to packaging.Infrared ray has causing magnesium sulfate to burst to be discharged in the hydrophilic gel matrix of PEO, and exothermic reaction occurs for magnesium sulfate and PEO expection carrys out heat food.
example 5: variable color bowl
One bowl comprises the coiled coil polyester urethanes (polyesterurethane) with colouring agent, and described colouring agent is used to refer to hot food and has been cooled to be enough to eat relievedly.After the hot food of heating as soup, soup is placed on bowl, and polyester urethanes starts the periphery gel-type vehicle that is discharged into by colouring agent in bowl and makes described bowl variable color, indicates when soup enough cools is drunk safely.The expansion of coiled coil polyester urethanes release colouring agent can be described in example 4.Fig. 4 A-4D shows the polyester urethanes (poly-(e-caprolactone) dimethylacrylate) that raises in response to temperature from helical structure to the thermic transition (Behl etc. of interim roughly straight structure, ShapeMemoryPolymersandShape-ChangingPolymers, AdvancesinPolymerScience, Vol.226,2010, pp.1-40).Fig. 4 A depicts in the spiral-shaped shape-memory polymer of screw taper, and when being exposed to stimulation, this shape-memory polymer launches as shown in Figure 4 B lentamente.Fig. 4 C is bent tube form, depicts and launches as shown in Figure 4 D and form further stage of the shape-memory polymer distortion of straight, fixing tubular form.
In polyester urethanes, polyester switches segment, as gathered the temporary fixed of (e-caprolactone) dimethylacrylate, can cause change in shape; And polyurethane provides hard segment.Oligomeric (e-caprolactone) segment switches segment.Transition temperature T
transthe fusion temperature T of oligomeric (e-caprolactone) segment
m.Elasticity is provided by soft, amorphous poly-(dimethyl) domain.Second temporary shapes is applied to polymer by external stress, causes the distortion of polymer.Temporary shapes keeps, until formed body is exposed to suitable stimulation, and the recovery of induction original-shape.
example 6: heat detects packaging
Fig. 5 A-5C shows shape-memory polymer and is transitioned into permanent screw coniform spiral (Behl etc. from interim bar-shaped thermic, ShapeMemoryPolymersandShape-ChangingPolymers, AdvancesinPolymerScience, Vol.226,2010, pp.1-40).Fig. 5 A shows shape-memory polymer and is in its temporarily bar-shaped shape, and it is when the rising being exposed to temperature, as shown in Figure 5 B, starting inwardly curling, as seen in figure 5 c, creating permanent gimlet shape.Recovery process has used 35 seconds at 60 DEG C.Along with shape-memory polymer is inwardly curling, heat absorbent is released to be had in the hydrophilic matrix of hydroxypropyl methylcellulose, thus the content of cooling packing.The change in shape of shape-memory polymer also can notify that recipient meets with excessive storage temperature.
example 6: magnetic induction is packed
Fig. 9 A-9E shows the magnetic induction uncoiling (Behl etc. of the screw coniform spiral of the compound be made up of the magnetic nanoparticle of aliphatic polyether polyurethane (TFX) and 10% weight, SoftMatter, ActivelyMovingPolymers, 2007,3:58-67).The remote activation that Behl discloses thermal induction SME in alternating magnetic field realizes in the compound of shape memory thermoplastic and magnetic nanoparticle.In Behl, nano particle eddy-current heating of (f=258kHz, H=30kAm21) in alternating magnetic field increases the temperature of sample.Thermoplastic is by arbitrary biodegradable multistage copolymer (PDC), with gathering (p-PDO) and forming as poly-(the e-caprolactone) that switch segment as hard segment, or be made up of the aliphatic polyether polyurethane (TFX) from methyl two (p-cyclohexyl isocyanate), butanediol and oxolane.The magnetic nano particle of iron (III) oxide core in silica matrix is incorporated in two kinds of polymer.Although TFX has amorphous switch phase, PDC has crystallizable switching segment.Shape memory effect can be triggered by being exposed to alternating magnetic field in two samples.The R of indirect sample
rvalue is equivalent to the sample that environment temperature has raised.Along with compound uncoiling, exothermic agent is released to be had in the hydrophilic matrix of hydroxypropyl methylcellulose, thus the content of heating packaging.
example 8: with the steamed dumping dress strengthening fragrance
Soup container comprises the farina of the extrusion molding being coated in container inside.Along with soup is heated, the farina of extrusion molding curling and from wall of a container peel off, expose and discharge the essential oil be positioned at below starch coat, enhancing soup fragrance.Fig. 6 shows shape change characteristic (Sjong, Chaunier, the L. of farina from spirality to even shape of extrusion molding, Lourdin, S., Theshapememoryofstarch, Starch/Starke61 (2009) 116-118).Edible polymer under initial temperature with spiral-shaped beginning, and temperature raise after through excess temperature decline circulation and return its initial temperature.Variations in temperature causes edible polymer to switch to even shape from spiral-shaped after circulation completes.When passing through another variations in temperature circulation time, edible polymer turns back to spiral-shaped from even shape switching.
The disclosure is not limited to specific embodiment described herein, and these embodiments are intended to the example of each side.Can make multiple improvement and modification when not departing from its spirit and scope, this is apparent to those skilled in the art.By explanation above, except cited herein except those, the functionally equivalent method and apparatus in the scope of the present disclosure will be apparent to those skilled in the art.Be intended to these improvement and modification are fallen within the scope of appended claims.The disclosure only by appended claims and these claims give the equivalent of right gamut limited.Should be understood that, the disclosure is not limited to specific method, reagent, compound composition or biosystem, and these can change certainly.It will also be appreciated that term as used herein is the object being only used to describe specific embodiment, and be not intended to restriction.
About the use of any plural number and/or singular references substantially herein, those skilled in the art can based on context and/or application suitably from complex transform singularization and/or be transformed into plural number from odd number.In order to object clearly, illustrate the displacement of each singular/plural herein clearly.
It will be appreciated by those skilled in the art that, usually, term as used herein, especially the term used in claim of enclosing (such as, the main body of claim of enclosing), is intended to " open " term (such as usually, term " comprises " and should be interpreted as " including but not limited to ", term " has " and should be interpreted as " at least having ", term " comprises " and should be interpreted as " including but not limited to ", etc.).Those skilled in the art also understand, if intention expresses the concrete quantity of guided bone claims hereinbelow item, this intention will describe in the claims clearly, and when there is not this description, there is not such intention.Such as, be auxiliary understanding, claim of enclosing below may includes the use of guided bone phrase " at least one " and " one or more " to guide claims hereinbelow item.But, the use of this phrase should not be construed as infers the embodiment that any specific rights comprising this claims hereinbelow item guided is required to be confined to only comprise this description item by indefinite article "a" or "an" guiding claims hereinbelow item, even if when same claim includes the indefinite article (such as, " " and/or " " should be interpreted as representing " at least one " or " one or more ") of guided bone phrase " one or more " or " at least one " and such as "a" or "an"; This is equally applicable to the use for the definite article for guiding claims hereinbelow item.In addition, even if describe the concrete quantity of directed claims hereinbelow item clearly, it will be understood by those skilled in the art that the quantity (such as, not having the naked description of other modifier " two describe item " to represent that at least two describe items or plural description item) that these description items should be interpreted as at least representing described.In addition, be similar in those examples of the usage of " in A, B and C etc. at least one " in use, usually such structure is intended to express the implication (such as, " have the system of at least one in A, B and C " by including but not limited to only have A, only have B, only have C, have A and B, have A and C, have B and C and/or have the system of A, B and C etc.) that those skilled in the art understand this usage.Be similar in those examples of the usage of " in A, B or C etc. at least one " in use, usually such structure is intended to express the implication (such as, " have the system of at least one in A, B or C " by including but not limited to only have A, only have B, only have C, have A and B, have A and C, have B and C and/or have the system of A, B and C etc.) that those skilled in the art understand this usage.Those skilled in the art will be further understood that, no matter present almost any words of severance and/or the phrase of two or more option, be in description, claim or accompanying drawing, are all interpreted as imagining comprising one, the possibility of any one or two.Such as, term " A or B " will be interpreted as the possibility comprising " A " or " B " or " A and B ".
In addition, when describing feature of the present disclosure or scheme according to Ma Kushi group (Markushgroup), skilled person will appreciate that therefore the disclosure also describes with the subgroup of any independent members of Ma Kushi group or member.
It will be appreciated by those skilled in the art that in order to any and whole objects, such as providing in write description, four corner disclosed herein also contemplated any and whole possible subranges and the combination of subrange thereof.Easily can recognize that any listed scope all adequately describes same scope and makes same scope resolve at least impartial half, 1/3rd, 1/4th, 1/5th, 1/10th etc.As non-restrictive example, each scope discussed herein easily can resolve into down 1/3rd, in 1/3rd and upper 1/3rd, etc.Those skilled in the art it will also be understood that, such as " reach ", all language such as " at least " comprise described quantity and refer to the scope that can resolve into subrange as discussed above subsequently.Finally, the scope that it will be appreciated by those skilled in the art that comprises each independently member.Therefore, such as, the group with 1-3 unit refers to the group with 1,2 or 3 unit.Similarly, the group with 1-5 unit refers to the group with 1,2,3,4 or 5 unit, etc.
By discussion above, will appreciate that herein in order to the object of example describes each embodiment of the present disclosure, and various improvement can be carried out when not departing from the scope of the present disclosure and spirit.Therefore, each embodiment disclosed herein is not intended to restriction, and real scope and spirit are that the claim by enclosing represents.
Claims (amendment according to treaty the 19th article)
1. a packaging, comprising:
Be arranged at least one agent in shape-memory polymer, wherein said shape-memory polymer is suitable for discharging described agent in response to stimulation.
2. pack as claimed in claim 1, wherein said agent discharges from described shape-memory polymer with delivery mode of bursting.
3. pack as claimed in claim 1, wherein said agent comprises cooling agent, aromatic, heating agent, sight indicator or adminicle, antiseptic, medicine, medicament, the formation of noise agent or its combination.
4. pack as claimed in claim 1, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, the salt that the endothermic reaction can occur when being dissolved in the water, essential oil, carbon dioxide pressurized or its combination.
5. pack as claimed in claim 1, wherein said agent is included in the salt that the endothermic reaction can occur when being dissolved in the water, and described salt is from selecting as follows: ammonium nitrate, lithium chloride, potassium chloride, ammonium nilrite, potassium rhodanide, ammonium thiocyanate, KI, ammonium chloride, natrium nitrosum, sodium nitrate, sodium acetate, sodium carbonate, sodium chloride, sodium sulphate, sodium thiosulfate, sodium phosphate, urea, xylitol, sorbierite, glycerine, ptyalin, lipase, maltitol, sucrose, glucose, mannose, sugar, carbohydrate and combination thereof.
6. pack as claimed in claim 1, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, and described salt is selected from following: lithium chloride, magnesium chloride, potash, magnesium sulfate, calcium sulfate, calcium chloride, calcium oxide, aluminium chloride, aluminum sulfate, alum and combination thereof.
7. pack as claimed in claim 1, wherein said agent comprises the essential oil from selecting as follows: agar oil, ajawa oil, Angelica root oil, aniseed oil, asafoetide, face cream oil, basil, oreodaphene, bergamot oil, black pepper essential oil, the withered oil of cloth, birch oil, camphor, cannabis essential oil, caraway seed oil, cardamon seed oil, carrot seed oil, cedar oil, Chamomile oil, calamus root, cinnamon oil, labdanum oil, citronella oil, sage oil, caryophyllus oil, coriander oil, coffee, coriander, oil of tansy, the banksia rose, Cranberry seed oil, piper cubeba, cymin oil, cypress, cyperus scariosus, curry leaves, davana oil, dill oil, elecampane, eucalyptus oil, fennel seeds seed oil, fenugreek oil, fir, frankincense oil, galangal, galbanum, pelargonium oil, ginger oil, Goldenrod, oil of grapefruit, nail caul-fat, strawflower, citrene, pecan oil, horse radish oil, hyssop, Idaho State tansy, jasmine oil, juniper berry oil, lavender oil, lemon oil, lemon grass, blue or green lemon, litsea citrate oil, oranges and tangerines, marjoram, cajeputtree, tea tree ethereal oil, melissa oil, peppermint oil, bee saage peppermint, mustard oil, mugwort oil, myrrh oil, hill gooseberry, nim oil, flores aurantii, nutmeg, orange oil, origanum oil, orris oil, Pa Luosheng, parsley oil, patchouli oil, Fructus Perillae quintessence oil, pennyroyal oil, green pepper peppermint oil, orange leaf, pine tar, Luo Wenshaye, pencil cedar, flores anthemidis, attar of rose, rose hip oil, rosemary oil, rosewood oil, sage oil, sassafras oil, savory oil, sandalwood oil, magnolia vine fruit oil, oleum menthae viridis, rhizoma nardostachyos, dragon spruce, star anise oil, red tangerine, estragon oil, thyme linaloe oil, Chinese hemlock spruce, root tuber of aromatic turmeric, valerian, vetiver oil, ω-3 oil, linseed oil, fish oil, butter, tung oil, banana oil, western pencil cedar, Chinese ilex, milfoil oil, Yilan, curcuma zedoary, and any combination.
8. pack as claimed in claim 1, wherein said shape-memory polymer comprises cinnamic acid, starch, polyether-polyurethane matrix, triphenylmenthane colorless derivatives, azobenzene, biopolymer, poly-(2-methyl-2-oxazoline), poly-(silsesquioxane), high impact polystyrene rigidity, crosslinked polyethylene and polyethylene/nylon 6 graft copolymer, using trans-polyisoprene, crosslinked vinyl-vinyl acetate copolymer, styrenic, acrylate based polyalcohol, polynorbornene, crosslinked polycyclic octene, epoxy polymer, mercaptoalkenyls polymer, block polyurethane, block polyurethane ionomer, poly-(3-hydroxy alkane acid ester), comprise the copolymer of dodecanedioic acid or decanedioic acid monomer and bile acid system polyester, or its combination.
9. pack as claimed in claim 1, wherein said shape-memory polymer comprises edible polymer.
10. pack as claimed in claim 1, wherein said shape-memory polymer has the recovery of shape rate of about 100% to about 1000%.
11. pack as claimed in claim 1, wherein said stimulation comprise temperature raise, temperature decline, ultraviolet (UV) light exposure, infrared ray (IR) light exposure, magnetic field change, pH change, ion concentration change, water concentration change, electric field change or its combination.
12. pack as claimed in claim 1, and wherein said shape-memory polymer is suitable in response to described stimulation and experiences change in shape to discharge described agent.
13. pack as claimed in claim 12, and wherein said change in shape is reversible.
14. pack as claimed in claim 12, and wherein said change in shape is from even shape to curly form.
15. pack as claimed in claim 12, and wherein said change in shape is from tubular form to spiral-shaped.
16. pack as claimed in claim 12, and wherein said change in shape is from curly form to even shape.
17. pack as claimed in claim 12, and wherein said change in shape is from spiral-shaped to tubular form.
18. pack as claimed in claim 12, and wherein said change in shape is in response to described stimulation from closed structure to opening structure.
19. pack as claimed in claim 12, and wherein said change in shape is the contraction of described shape-memory polymer.
20. pack as claimed in claim 12, and wherein said change in shape is at least part of the breaking of described shape-memory polymer.
21. pack as claimed in claim 12, and wherein said change in shape makes the capsules break comprising described agent, and described capsule is formed by described shape-memory polymer.
22. pack as claimed in claim 1, and wherein said shape-memory polymer scribbles sealant.
23. pack as claimed in claim 22, and wherein when described shape-memory polymer experience change in shape, described sealant is broken.
24. pack as claimed in claim 22, and wherein said sealant comprises starch, poly-(melocol), amino resins, polyamide, polyurethane, gelatin, cellulose, polyvinyl acetate, urea-resorcinol formaldehyde or its combination.
25. pack as claimed in claim 1, and wherein said agent is packed.
Claims (87)
1. a packaging, comprising:
Be arranged at least one agent in shape-memory polymer, wherein said shape-memory polymer is suitable for discharging described agent in response to stimulation.
2. pack as claimed in claim 1, wherein said agent discharges from described shape-memory polymer with delivery mode of bursting.
3. as claim mistake! Do not find the packaging described in Reference source, wherein said agent comprises cooling agent, aromatic, heating agent, sight indicator or adminicle, antiseptic, medicine, medicament, the formation of noise agent or its combination.
4. as claim mistake! Do not find the packaging described in Reference source, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, the salt that the endothermic reaction can occur when being dissolved in the water, essential oil, carbon dioxide pressurized or its combination.
5. as claim mistake! Do not find the packaging described in Reference source, wherein said agent is included in the salt that the endothermic reaction can occur when being dissolved in the water, and described salt is from selecting as follows: ammonium nitrate, lithium chloride, potassium chloride, ammonium nilrite, potassium rhodanide, ammonium thiocyanate, KI, ammonium chloride, natrium nitrosum, sodium nitrate, sodium acetate, sodium carbonate, sodium chloride, sodium sulphate, sodium thiosulfate, sodium phosphate, urea, xylitol, sorbierite, glycerine, ptyalin, lipase, maltitol, sucrose, glucose, mannose, sugar, carbohydrate and combination thereof.
6. as claim mistake! Do not find the packaging described in Reference source, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, and described salt is selected from following: lithium chloride, magnesium chloride, potash, magnesium sulfate, calcium sulfate, calcium chloride, calcium oxide, aluminium chloride, aluminum sulfate, alum and combination thereof.
7. as claim mistake! do not find the packaging described in Reference source, wherein said agent comprises the essential oil from selecting as follows: agar oil, ajawa oil, Angelica root oil, aniseed oil, asafoetide, face cream oil, basil, oreodaphene, bergamot oil, black pepper essential oil, the withered oil of cloth, birch oil, camphor, cannabis essential oil, caraway seed oil, cardamon seed oil, carrot seed oil, cedar oil, Chamomile oil, calamus root, cinnamon oil, labdanum oil, citronella oil, sage oil, caryophyllus oil, coriander oil, coffee, coriander, oil of tansy, the banksia rose, Cranberry seed oil, piper cubeba, cymin oil, cypress, cyperus scariosus, curry leaves, davana oil, dill oil, elecampane, eucalyptus oil, fennel seeds seed oil, fenugreek oil, fir, frankincense oil, galangal, galbanum, pelargonium oil, ginger oil, Goldenrod, oil of grapefruit, nail caul-fat, strawflower, citrene, pecan oil, horse radish oil, hyssop, Idaho State tansy, jasmine oil, juniper berry oil, lavender oil, lemon oil, lemon grass, blue or green lemon, litsea citrate oil, oranges and tangerines, marjoram, cajeputtree, tea oil, melissa oil, peppermint oil, bee saage peppermint, mustard oil, mugwort oil, myrrh oil, hill gooseberry, nim oil, flores aurantii, nutmeg, orange oil, origanum oil, orris oil, Pa Luosheng, parsley oil, patchouli oil, Fructus Perillae quintessence oil, pennyroyal oil, green pepper peppermint oil, orange leaf, pine tar, Luo Wenshaye, pencil cedar, flores anthemidis, attar of rose, rose hip oil, rosemary oil, rosewood oil, sage oil, sassafras oil, savory oil, sandalwood oil, magnolia vine fruit oil, oleum menthae viridis, rhizoma nardostachyos, dragon spruce, star anise oil, red tangerine, estragon oil, thyme linaloe oil, Chinese hemlock spruce, root tuber of aromatic turmeric, valerian, vetiver oil, ω-3 oil, linseed oil, fish oil, butter, tung oil, banana oil, western pencil cedar, Chinese ilex, milfoil oil, Yilan, curcuma zedoary, and any combination.
8. as claim mistake! do not find the packaging described in Reference source, wherein said shape-memory polymer comprises cinnamic acid, starch, polyether-polyurethane matrix, triphenylmenthane colorless derivatives, azobenzene, biopolymer, poly-(2-methyl-2-oxazoline), poly-(silsesquioxane), high impact polystyrene rigidity, crosslinked polyethylene and polyethylene/nylon 6 graft copolymer, using trans-polyisoprene, crosslinked vinyl-vinyl acetate copolymer, styrene-based polymer, acrylate based polyalcohol, polynorbornene, crosslinked polycyclic octene, epoxy-based polymerization thing, mercaptoalkenyls polymer, block polyurethane, block polyurethane ionomer, poly-(3-hydroxy alkane acid ester), comprise the copolymer of dodecanedioic acid or decanedioic acid monomer and bile acid based polyester, or its combination.
9. as claim mistake! Do not find the packaging described in Reference source, wherein said shape-memory polymer comprises edible polymer.
10. as claim mistake! Do not find the packaging described in Reference source, the shape that wherein said shape-memory polymer has about 100% to about 1000% recovers ratio.
11. as claim mistake! Do not find the packaging described in Reference source, wherein said stimulation comprise temperature raise, temperature decline, ultraviolet (UV) light exposure, infrared ray (IR) light exposure, magnetic field change, pH change, ion concentration change, water concentration change, electric field change or its combination.
12. as claim mistake! Do not find the packaging described in Reference source, wherein said shape-memory polymer is suitable in response to described stimulation and experiences change in shape to discharge described agent.
13. pack as claimed in claim 12, and wherein said change in shape is reversible.
14. pack as claimed in claim 12, and wherein said change in shape is from even shape to curly form.
15. pack as claimed in claim 12, and wherein said change in shape is from tubular form to spiral-shaped.
16. pack as claimed in claim 12, and wherein said change in shape is from curly form to even shape.
17. pack as claimed in claim 12, and wherein said change in shape is from spiral-shaped to tubular form.
18. pack as claimed in claim 12, and wherein said change in shape is in response to described stimulation from closed structure to opening structure.
19. pack as claimed in claim 12, and wherein said change in shape is the contraction of described shape-memory polymer.
20. pack as claimed in claim 12, and wherein said change in shape is at least part of the breaking of described shape-memory polymer.
21. pack as claimed in claim 12, and wherein said change in shape makes the capsules break comprising described agent, and described capsule is formed by described shape-memory polymer.
22. as claim mistake! Do not find the packaging described in Reference source, wherein said shape-memory polymer scribbles sealant.
23. pack as claimed in claim 22, and wherein when described shape-memory polymer experience change in shape, described sealant is broken.
24. pack as claimed in claim 22, and wherein said sealant comprises starch, poly-(melocol), amino resins, polyamide, polyurethane, gelatin, cellulose, polyvinyl acetate, urea-resorcinol formaldehyde or its combination.
25. as claim mistake! Do not find the packaging described in Reference source, wherein said agent is packed.
26. pack as claimed in claim 1, and wherein said shape-memory polymer is arranged in hydrophilic matrix, thus described agent when discharging from described shape-memory polymer and described hydrophilic matrix react.
27. pack as claimed in claim 26, and wherein said agent reacts with described hydrophilic matrix in exothermic process.
28. pack as claimed in claim 26, and wherein said agent reacts with described hydrophilic matrix in endothermic process.
29. pack as claimed in claim 1, are configured to preserve food or beverage.
30. 1 kinds of methods making packaging, described method comprises:
Be arranged in shape-memory polymer by least one agent, wherein said shape-memory polymer is suitable for discharging described agent in response to stimulation.
31. methods as claimed in claim 30, wherein said agent discharges from described shape-memory polymer with delivery mode of bursting.
32. methods as claimed in claim 30, wherein said agent comprises cooling agent, aromatic, heating agent, sight indicator or visual adminicle, antiseptic, medicine, medicament, the formation of noise agent or its combination.
33. methods as claimed in claim 30, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, the salt that the endothermic reaction can occur when being dissolved in the water, essential oil, carbon dioxide pressurized or its combination.
34. methods as claimed in claim 30, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, and described salt is selected from following: lithium chloride, magnesium chloride, potash, magnesium sulfate, calcium sulfate, calcium chloride, calcium oxide, aluminium chloride, aluminum sulfate, alum and combination thereof.
35. methods as claimed in claim 30, wherein said agent is included in the salt that the endothermic reaction can occur when being dissolved in the water, and described salt is from selecting as follows: ammonium nitrate, potassium chloride, ammonium nilrite, potassium rhodanide, ammonium thiocyanate, KI, ammonium chloride, sodium chloride, natrium nitrosum, sodium nitrate, sodium acetate, sodium carbonate, sodium sulphate, sodium thiosulfate, sodium phosphate, urea, xylitol, sorbierite, glycerine, ptyalin, lipase, maltitol, sucrose, glucose, mannose, sugar, carbohydrate and combination thereof.
36. methods as claimed in claim 30, wherein said agent comprises the essential oil from selecting as follows: agar oil, ajawa oil, Angelica root oil, aniseed oil, asafoetide, face cream oil, basil, oreodaphene, bergamot oil, black pepper essential oil, the withered oil of cloth, birch oil, camphor, cannabis essential oil, caraway seed oil, cardamon seed oil, carrot seed oil, cedar oil, Chamomile oil, calamus root, cinnamon oil, labdanum oil, citronella oil, sage oil, caryophyllus oil, coriander oil, coffee, coriander, oil of tansy, the banksia rose, Cranberry seed oil, piper cubeba, cymin oil, cypress, cyperus scariosus, curry leaves, davana oil, dill oil, elecampane, eucalyptus oil, fennel seeds seed oil, fenugreek oil, fir, frankincense oil, galangal, galbanum, pelargonium oil, ginger oil, Goldenrod, oil of grapefruit, nail caul-fat, strawflower, citrene, pecan oil, horse radish oil, hyssop, Idaho State tansy, jasmine oil, juniper berry oil, lavender oil, lemon oil, lemon grass, blue or green lemon, litsea citrate oil, oranges and tangerines, marjoram, cajeputtree, tea oil, melissa oil, peppermint oil, bee saage peppermint, mustard oil, mugwort oil, myrrh oil, hill gooseberry, nim oil, flores aurantii, nutmeg, orange oil, origanum oil, orris oil, Pa Luosheng, parsley oil, patchouli oil, Fructus Perillae quintessence oil, pennyroyal oil, green pepper peppermint oil, orange leaf, pine tar, Luo Wenshaye, pencil cedar, flores anthemidis, attar of rose, rose hip oil, rosemary oil, rosewood oil, sage oil, sassafras oil, savory oil, sandalwood oil, magnolia vine fruit oil, oleum menthae viridis, rhizoma nardostachyos, dragon spruce, star anise oil, red tangerine, estragon oil, thyme linaloe oil, Chinese hemlock spruce, root tuber of aromatic turmeric, valerian, vetiver oil, ω-3 oil, linseed oil, fish oil, butter, tung oil, banana oil, western pencil cedar, Chinese ilex, milfoil oil, Yilan, curcuma zedoary, and any combination.
37. methods as claimed in claim 30, wherein said shape-memory polymer comprises cinnamic acid, starch, polyether-polyurethane matrix, triphenylmenthane colorless derivatives, azobenzene, biopolymer, poly-(2-methyl-2-oxazoline), poly-(silsesquioxane), high impact polystyrene rigidity, crosslinked polyethylene and polyethylene/nylon 6 graft copolymer, using trans-polyisoprene, crosslinked vinyl-vinyl acetate copolymer, styrene-based polymer, acrylate based polyalcohol, polynorbornene, crosslinked polycyclic octene, epoxy-based polymerization thing, mercaptoalkenyls polymer, block polyurethane, block polyurethane ionomer, poly-(3-hydroxy alkane acid ester), comprise the copolymer of dodecanedioic acid or decanedioic acid monomer and bile acid based polyester, or its combination.
38. methods as claimed in claim 30, wherein said shape-memory polymer comprises edible polymer.
39. methods as claimed in claim 30, the shape that wherein said shape-memory polymer has about 100% to about 1000% recovers ratio.
40. methods as claimed in claim 30, wherein said stimulation comprise temperature raise, temperature decline, ultraviolet (UV) light exposure, infrared ray (IR) light exposure, magnetic field change, pH change, ion concentration change, water concentration change, electric field change or its combination.
41. methods as claimed in claim 30, wherein said shape-memory polymer is suitable in response to described stimulation and experiences change in shape to discharge described agent.
42. methods as claimed in claim 41, wherein said change in shape is reversible.
43. methods as claimed in claim 41, wherein said change in shape is from even shape to curly form.
44. methods as claimed in claim 41, wherein said change in shape is from tubular form to spiral-shaped.
45. methods as claimed in claim 41, wherein said change in shape is from curly form to even shape.
46. methods as claimed in claim 41, wherein said change in shape is from spiral-shaped to tubular form.
47. methods as claimed in claim 41, wherein said change in shape is in response to described stimulation from closed structure to opening structure.
48. methods as claimed in claim 41, wherein said change in shape is the contraction of described shape-memory polymer.
49. methods as claimed in claim 41, wherein said change in shape is at least part of the breaking of described shape-memory polymer.
50. methods as claimed in claim 41, wherein said change in shape makes the capsules break comprising described agent, and described capsule is formed by described shape-memory polymer.
51. methods as claimed in claim 30, wherein said shape-memory polymer scribbles sealant.
52. methods as claimed in claim 51, wherein when described shape-memory polymer experience change in shape, described sealant is broken.
53. methods as claimed in claim 51, wherein said sealant comprises starch, poly-(melocol), amino resins, polyamide, polyurethane, gelatin, cellulose, polyvinyl acetate, urea-resorcinol formaldehyde or its combination.
54. methods as claimed in claim 30, wherein said agent is packed.
55. methods as claimed in claim 30, wherein said shape-memory polymer is arranged in hydrophilic matrix, thus described agent when discharging from described shape-memory polymer and described hydrophilic matrix react.
56. methods as claimed in claim 55, wherein said agent reacts with described hydrophilic matrix in exothermic process.
57. methods as claimed in claim 55, wherein said agent reacts with described hydrophilic matrix in endothermic process.
58. methods as claimed in claim 30, wherein said packaging arrangement is for preserving food or beverage.
59. 1 kinds of methods using packaging, described method comprises:
There is provided packaging, described packaging comprises at least one agent be arranged in shape-memory polymer; And
There is provided the stimulation that described shape-memory polymer is out of shape, described agent discharges from described shape-memory polymer thus.
60. methods as claimed in claim 59, wherein said agent discharges from described shape-memory polymer with delivery mode of bursting.
61. methods as claimed in claim 59, comprise further and provide hydrophilic matrix, thus described agent when discharging from described shape-memory polymer and described hydrophilic matrix react.
62. methods as claimed in claim 61, wherein said agent reacts with described hydrophilic matrix in exothermic process.
63. methods as claimed in claim 61, wherein said agent reacts with described hydrophilic matrix in endothermic process.
64. methods as claimed in claim 59, wherein said agent comprises cooling agent, aromatic, heating agent, sight indicator or adminicle, antiseptic, medicine, medicament, the formation of noise agent or its combination.
65. methods as claimed in claim 59, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, the salt that the endothermic reaction can occur when being dissolved in the water, essential oil, carbon dioxide pressurized or its combination.
66. methods as claimed in claim 59, wherein said agent is included in the salt that exothermic reaction can occur when being dissolved in the water, and described salt is selected from following: lithium chloride, magnesium chloride, potash, magnesium sulfate, calcium sulfate, calcium chloride, calcium oxide, aluminium chloride, aluminum sulfate, alum and combination thereof.
67. methods as claimed in claim 59, wherein said agent is included in the salt that the endothermic reaction can occur when being dissolved in the water, and described salt is from selecting as follows: ammonium nitrate, potassium chloride, ammonium nilrite, potassium rhodanide, ammonium thiocyanate, KI, ammonium chloride, sodium chloride, natrium nitrosum, sodium nitrate, sodium acetate, sodium carbonate, sodium sulphate, sodium thiosulfate, sodium phosphate, urea, xylitol, sorbierite, glycerine, ptyalin, lipase, maltitol, sucrose, glucose, mannose, sugar, carbohydrate and combination thereof.
68. methods as claimed in claim 59, wherein said agent comprises the essential oil from selecting as follows: agar oil, ajawa oil, Angelica root oil, aniseed oil, asafoetide, face cream oil, basil, oreodaphene, bergamot oil, black pepper essential oil, the withered oil of cloth, birch oil, camphor, cannabis essential oil, caraway seed oil, cardamon seed oil, carrot seed oil, cedar oil, Chamomile oil, calamus root, cinnamon oil, labdanum oil, citronella oil, sage oil, caryophyllus oil, coriander oil, coffee, coriander, oil of tansy, the banksia rose, Cranberry seed oil, piper cubeba, cymin oil, cypress, cyperus scariosus, curry leaves, davana oil, dill oil, elecampane, eucalyptus oil, fennel seeds seed oil, fenugreek oil, fir, frankincense oil, galangal, galbanum, pelargonium oil, ginger oil, Goldenrod, oil of grapefruit, nail caul-fat, strawflower, citrene, pecan oil, horse radish oil, hyssop, Idaho State tansy, jasmine oil, juniper berry oil, lavender oil, lemon oil, lemon grass, blue or green lemon, litsea citrate oil, oranges and tangerines, marjoram, cajeputtree, tea oil, melissa oil, peppermint oil, bee saage peppermint, mustard oil, mugwort oil, myrrh oil, hill gooseberry, nim oil, flores aurantii, nutmeg, orange oil, origanum oil, orris oil, Pa Luosheng, parsley oil, patchouli oil, Fructus Perillae quintessence oil, pennyroyal oil, green pepper peppermint oil, orange leaf, pine tar, Luo Wenshaye, pencil cedar, flores anthemidis, attar of rose, rose hip oil, rosemary oil, rosewood oil, sage oil, sassafras oil, savory oil, sandalwood oil, magnolia vine fruit oil, oleum menthae viridis, rhizoma nardostachyos, dragon spruce, star anise oil, red tangerine, estragon oil, thyme linaloe oil, Chinese hemlock spruce, root tuber of aromatic turmeric, valerian, vetiver oil, ω-3 oil, linseed oil, fish oil, butter, tung oil, banana oil, western pencil cedar, Chinese ilex, milfoil oil, Yilan, curcuma zedoary, and any combination.
69. methods as claimed in claim 59, wherein said shape-memory polymer comprises cinnamic acid, starch, polyether-polyurethane matrix, triphenylmenthane colorless derivatives, azobenzene, biopolymer, poly-(2-methyl-2-oxazoline), poly-(silsesquioxane), high impact polystyrene rigidity, the graft copolymer of crosslinked polyethylene and polyethylene/nylon 6, using trans-polyisoprene, crosslinked vinyl-vinyl acetate copolymer, styrene-based polymer, acrylate based polyalcohol, polynorbornene, crosslinked polycyclic octene, epoxy-based polymerization thing, mercaptoalkenyls polymer, block polyurethane, block polyurethane ionomer, poly-(3-hydroxy alkane acid ester), comprise the copolymer of dodecanedioic acid or decanedioic acid monomer and bile acid based polyester, or its combination.
70. methods as claimed in claim 59, wherein said shape-memory polymer comprises edible polymer.
71. methods as claimed in claim 59, the shape that wherein said shape-memory polymer has about 100% to about 1000% recovers ratio.
72. methods as claimed in claim 59, wherein provide stimulation to comprise heating, cooling, described packaging are exposed to ultraviolet (UV) light, described packaging are exposed to infrared ray (IR) light, change magnetic field, change pH, change ion concentration, change water concentration, change electric field or its combination.
73. methods as claimed in claim 59, wherein provide and stimulate to make described shape-memory polymer be out of shape, cause change in shape.
74. methods as described in claim 73, wherein said change in shape is reversible.
75. methods as described in claim 73, wherein said change in shape is from even shape to curly form.
76. methods as described in claim 73, wherein said change in shape is from tubular form to spiral-shaped.
77. methods as described in claim 73, wherein said change in shape is from curly form to even shape.
78. methods as described in claim 73, wherein said change in shape is from spiral-shaped to tubular form.
79. methods as described in claim 73, wherein said change in shape is in response to described stimulation from closed structure to opening structure.
80. methods as described in claim 73, wherein said change in shape is the contraction of described shape-memory polymer.
81. methods as described in claim 73, wherein said change in shape is at least part of the breaking of described shape-memory polymer.
82. methods as described in claim 73, wherein said change in shape makes the capsules break comprising described agent, and described capsule is formed by described shape-memory polymer.
83. methods as claimed in claim 59, wherein said shape-memory polymer scribbles sealant.
84. methods as described in claim 83, wherein when described shape-memory polymer experience change in shape, described sealant is broken.
85. methods as described in claim 83, wherein said sealant comprises starch, poly-(melocol), amino resins, polyamide, polyurethane, gelatin, cellulose, polyvinyl acetate, urea-resorcinol formaldehyde or its combination.
86. methods as claimed in claim 59, wherein said agent is packed.
87. methods as claimed in claim 59, wherein said packaging arrangement is for preserving food or beverage.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2013/051594 WO2015012803A1 (en) | 2013-07-23 | 2013-07-23 | Packaging materials and methods for their preparation and use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105555504A true CN105555504A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380078825.9A Pending CN105555504A (en) | 2013-07-23 | 2013-07-23 | Packaging materials and methods for their preparation and use |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20160159551A1 (en) |
| CN (1) | CN105555504A (en) |
| WO (1) | WO2015012803A1 (en) |
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| CN107364635A (en) * | 2017-06-30 | 2017-11-21 | 嘉兴华悦包装用品有限公司 | Packaging for foodstuff zippered bag with refrigerating function |
| CN109265981A (en) * | 2018-08-06 | 2019-01-25 | 徐州奥博包装制品有限公司 | A kind of polymeric packaging material |
| CN110463981A (en) * | 2019-07-26 | 2019-11-19 | 黄安琪 | Garland product and preparation method thereof |
| CN112009859A (en) * | 2020-08-24 | 2020-12-01 | 阿克苏优能农业科技股份有限公司 | Special mould-proof, dust-proof and fresh-keeping net bag for sugar-cored apples and preparation method thereof |
| CN112452369A (en) * | 2020-11-24 | 2021-03-09 | 东南大学 | Magnetic control thermoplastic shape memory polymer wrapped heating platform and method |
| CN115887761A (en) * | 2023-02-23 | 2023-04-04 | 四川兴泰普乐医疗科技有限公司 | Sinus stent and preparation method thereof |
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| US20090043288A1 (en) * | 2001-03-23 | 2009-02-12 | Petrakis Dennis N | Temperature responsive systems |
| WO2007107378A1 (en) * | 2006-03-23 | 2007-09-27 | Mnemoscience Gmbh | Use of shape memory materials for introducing and/or liberating reactants, catalysts and additives |
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| CN107364635A (en) * | 2017-06-30 | 2017-11-21 | 嘉兴华悦包装用品有限公司 | Packaging for foodstuff zippered bag with refrigerating function |
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| CN110463981A (en) * | 2019-07-26 | 2019-11-19 | 黄安琪 | Garland product and preparation method thereof |
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| CN112009859A (en) * | 2020-08-24 | 2020-12-01 | 阿克苏优能农业科技股份有限公司 | Special mould-proof, dust-proof and fresh-keeping net bag for sugar-cored apples and preparation method thereof |
| CN112452369A (en) * | 2020-11-24 | 2021-03-09 | 东南大学 | Magnetic control thermoplastic shape memory polymer wrapped heating platform and method |
| CN115887761A (en) * | 2023-02-23 | 2023-04-04 | 四川兴泰普乐医疗科技有限公司 | Sinus stent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160159551A1 (en) | 2016-06-09 |
| WO2015012803A1 (en) | 2015-01-29 |
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