WO2004063088A1 - Mousse a memoire de forme viscoelastique a effets antibacterien, deodorant et d'emission de rayons infrarouges lointains - Google Patents

Mousse a memoire de forme viscoelastique a effets antibacterien, deodorant et d'emission de rayons infrarouges lointains Download PDF

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Publication number
WO2004063088A1
WO2004063088A1 PCT/KR2003/000047 KR0300047W WO2004063088A1 WO 2004063088 A1 WO2004063088 A1 WO 2004063088A1 KR 0300047 W KR0300047 W KR 0300047W WO 2004063088 A1 WO2004063088 A1 WO 2004063088A1
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WO
WIPO (PCT)
Prior art keywords
memory foam
group
far infrared
weight
infrared rays
Prior art date
Application number
PCT/KR2003/000047
Other languages
English (en)
Inventor
Jangho Choi
Jaeseok Chang
Original Assignee
Jtl Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jtl Co., Ltd. filed Critical Jtl Co., Ltd.
Priority to AU2003202161A priority Critical patent/AU2003202161A1/en
Priority to PCT/KR2003/000047 priority patent/WO2004063088A1/fr
Priority to KR1020037000874A priority patent/KR100956759B1/ko
Publication of WO2004063088A1 publication Critical patent/WO2004063088A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/10—Pillows
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2280/00—Compositions for creating shape memory
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds

Definitions

  • the present invention relates to a memory foam with excellent antibacterial activity, deodorant property and far infrared ray radiation, and more particularly to a memory foam having an excellent antibacterial activity, deodorant property and far infrared ray radiation that can be produced by mixing polyurethane with a mineral and an antibacterial agent and molding the mixture into the memory foam.
  • the memory foam can be used for bedclothes, articles for physical exercise, pillows, shock-absorbent cushions, etc.
  • urea-generating bacteria and Staphylococcus aureus which ingest bodily secretions including sweat, waste matters, etc., as nutrients cause various skin diseases on susceptible areas of the skin. These bacteria are very harmful to the human body.
  • excretions from the bacteria involve in the catabolism, thereby generating ammonia gas.
  • the generated ammonia gas leads to formation of an unpleasant odor as well as results in the embrittlement or discoloration of fibers and textiles. Accordingly, there is a need for a memory foam capable of imparting antibacterial activity to household articles such as pillows and cushions.
  • far infrared rays in various products, e.g., electric heaters, driers, beds, and the like, are gaining worldwide recognition.
  • the far infrared rays penetrate deeply into the human body, they oscillate water molecules in the human body and further oscillate cell tissues. This oscillation of cell tissues results in temperature rise in the subcutaneous layer of the skin, expansion of blood vessels, promotion of blood circulation, cell activation, stimulation of enzyme formation, etc.
  • the far infrared rays are effective for promoting perspiration and metabolism, discharging waste matters in the body, and reducing pains.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a memory foam which has an antibacterial activity and deodorant property, realized by inhibiting bacterial growth.
  • the memory foam thus produced has advantages in terms of improved hygiene and a simple production method, compared to conventional memory foams containing cottonwool therein.
  • a memory foam produced by mixing 75-98% by weight of polyurethane, 1-13% by weight of an inorganic porous material and 1-13% by weight of an inorganic antibacterial agent powder, and molding the mixture into the memory foam.
  • polyurethane foam used for medical beds, etc. is referred to as a memory foam, shape memory foam or slow recovery foam.
  • a memory foam shape memory foam or slow recovery foam.
  • Such polyurethane foam can be easily produced by melting polyurethane, followed by a molding process. This is considerably advantageous in the producing process, compared to conventional memory foams using cottonwool.
  • the polyurethane foam takes a longer time to recover its original its shape than conventional sponge materials.
  • the polyurethane foam responds to body temperature and pressure to remain its compressed shape at the contacted part.
  • the polyurethane foam gently supports a user's neck and waist and distributes weight from the pressure points into various directions.
  • the polyurethane used in the present invention is a resin widely used in the art. When polyurethane is added in an amount of more than 75% by weight based on the total weight of the memory foam, it is difficult to mold into the memory foam. When polyurethane is added in an amount of less than 98% by weight, sufficient antibacterial activity and deodorant property are not expected.
  • the inorganic porous material which is present in an amount of 1-13% by weight refers to charcoal and/or any other porous mineral.
  • the use of the inorganic porous material in the present invention is based on a microporous structure.
  • the porous material adsorbs bad smells- and malodor-causing molecules.
  • Charcoal, preferably activated charcoal is made of oak.
  • the charcoal used in the present invention preferably has an specific surface area of 100 ⁇ 500m 2 /g and a particle diameter of 1 -5 ⁇ m.
  • activated charcoal has an internal surface area of 300 square meters per one gram of activated charcoal.
  • activated carbon has a microporous structure which amounts to a total surface area of 3,500 square meters. The pores in the microporous structure enable the activated charcoal or activated carbon to adsorb a variety of microbes, bacteria and malodor-causing molecules.
  • the activated charcoal consists of 80% carbon and other minerals (calcium (Ca), sodium (Na), iron (Fe), magnesium (Mg), phosphor (P), and the like.). As such, charcoal contains many minerals that a plant absorbs from soil. The minerals contained in the plant are further concentrated during the pyrolysis of the plant.
  • the microporous structure of charcoal is already known to have dehumidifying ability, antiseptic effect, anion emitting effect, and the like. Accordingly, the memory foam according to the present invention is expected to exhibit these effects, in addition to antibacterial activity and deodorant property.
  • the memory foam according to the present invention can include various porous minerals as the inorganic porous material, instead of charcoal.
  • the porous minerals used in the present invention may be natural or synthetic minerals. Since the porous minerals have a microporous structure like charcoal, they exhibit deodorant property. In addition, since the surface of the porous minerals bears positive charges, bacteria and microbes having negatively charged cell walls are adsorbed to the surface of the porous minerals. Accordingly, the porous minerals result in antibacterial activity and deodorant property.
  • bioceramic is known to have various effects including far infrared ray radiation, antibacterial activity, deodorant property, electromagnetic wave shielding, ultraviolet ray shielding, adsorptivity, dehumidity, anion emission, and the like.
  • porous minerals used in the present invention include dyscrasite, corundum, rutile, manganite, azurite, malachite, kernite, glauberite, monazite, tantalite, colemanite, brochantite, apatite, turquoise, phenakite, calcite, dolomite, galena, halite, fluorite, diamond, sphalerite, chalcocite, pyrrhotite, marcasite, polybasite, crysoberyl, ilmenite, brookite, columbite, euxenite, glauconite, samarskite, gibbsite, brucite, diaspore, boehmite, hydromagnesite, celadonite, riebeckite, arfvedsonite, anthophyllite, nepheline, anorthoclase, orthoclase, microcline, albite, cancrinite, marialite, dipyre
  • phyllosilicate group (pyrophyllite: Al 2 Si O ⁇ o(OH) 2 )); muscovite group (paragonite: NaAl 2 (Al,Si 3 )O 10 (OH) 2 , muscovite: KAl 2 (AlSi 3 )O ⁇ o(OH) 2 , glauconite: (K,Na)(Al,Fe 3 + Mg) 2 (Al,Si) 4 O 10 (OH)i celadonite: K(Mg,Fe)(Fe 3 + ,Al)Si 4 O ⁇ o(OH) 2 , margarite: CaAl 2 (Al 2 Si 2 )O 10 (OH) 2 , micaschist, lepidomelane: KFeAlSiO(OH,F)); biotite group (phlogopite: KMg 3 (AlSi 3 )O 10 (F,OH), lepidolite: K(Li
  • Dravite is an aluminum-magnesium-silicate complex and typically has a composition of SiO 2 : 80%, Al 2 O 3 : 5.16%, Fe 2 O 3 : 1.1%, TiO 2 : 0.11%, CaO: 0.36%, MgO: 6.37%, K 2 O: 4.2% and Na 2 O: 0.39%.
  • tourmaline there are tourmaline, schorl, elbaite, buergerite, feruvite, foitite, liddicoatite, olenite, povondraite, uvite, etc.
  • the garnet group include almandite and almandine, which are iron-aluminum-silicate complexes, and typically have a composition of SiO 2 : 37%, Al 2 O 3 : 20%, Fe 2 O 3 : 32%, MnO 2 : 2%, MgO: 8%, CaO: 2.5%, TiO 2 : 2%.
  • almandite and almandine which are iron-aluminum-silicate complexes, and typically have a composition of SiO 2 : 37%, Al 2 O 3 : 20%, Fe 2 O 3 : 32%, MnO 2 : 2%, MgO: 8%, CaO: 2.5%, TiO 2 : 2%.
  • These complexes help remove toxins existing in human body, particularly in the blood, and aid in attaining deep sleep mode.
  • garnet group examples include andradite, pyrope, rhodolite, grossular, spessartite, etc.
  • charcoal and or the inorganic porous material are/is present in an amount of 1-13% by weight, based on the total weight of the memory foam.
  • the amount is less than 1% by weight, antibacterial activity and deodorant property of the memory foam are insufficient.
  • the amount exceeds 13% miscibility with other components is unsatisfactory, which leads to low strength and moldability of the memory foam.
  • the memory foam according to the present invention further comprises at least one inorganic antibacterial agent selected from the group consisting of silver, calcium phosphate and zeolite in an amount of 1-13% by weight, based on the total weight of the memory foam.
  • silver is known to be effective in improving antibacterial activity and shielding electromagnetic waves.
  • Silver used herein is added in the form of powder having a particle size of a few nanometers.
  • electromagnetic wave shielding drops.
  • the amount exceeds 13% by weight electromagnetic wave absorption is improved but the physical properties of the memory foam deteriorate.
  • zeolite and calcium phosphate in the form of powder having a particle size of a few nanometers are added in an amount of 1-13% by weight, respectively. When the amount is out of this range, antibacterial activity and physical properties of the memory foam are unsatisfactory.
  • the memory foam according to the present invention can further comprise an aromatic component for masking the odor of the polyurethane.
  • the aromatic component is obtained by injecting a natural liquid fragrance into a microcapsule.
  • the microcapsule can be made of conventional polymers so as to control the amount of the natural liquid fragrance released. Examples of the natural fragrance include lavender, pine fragrance and the like.
  • the amount of the aromatic component added to the memory foam is suitably within the range of 0.5-1.5% by weight based on the total weight of the memory foam. If the natural liquid fragrance is directly injected into the memory foam, the duration of the emitted fragrance is relatively short. On the contrary, when the natural liquid fragrance is encapsulated, the natural liquid fragrance can be sustainedly released.
  • the memory foam according to the present invention is produced by homogeneously mixing melted polyurethane resin with the inorganic porous material and inorganic antibacterial agent powder, and press molding the mixture into the memory foam.
  • the press molding is carried out using a conventional process and apparatus well known in the art, but is not particularly limited thereto.
  • the memory foam according to the present invention absorbs ambient heat such as from a body's temperature and then emits far infrared rays.
  • the wavelength of infrared rays is within the range of 0.76-1 OOO ⁇ m. Within this wavelength range, the wavelength of 4-16 ⁇ m corresponds to far infrared rays.
  • the far infrared rays are known to have function capable of giving comfort and warmth to humans. Since the wavelength of far infrared rays is equivalent to the oscillatory wavelength of water molecules, resonance absorption in the water molecule occurs, thereby increasing the oscillation of the water molecule. As a result, effect and massage effects are resulted. These effects have many beneficial influences on the human body, e.g., temperature rise in the subcutaneous layer of the skin, expansion of fine blood vessels, promotion of blood circulation, reinforcement of metabolism, removal of obstacles to aid blood circulation, and the like.
  • the memory foam according to the present invention showed a radiation rate of more than 89% at a wavelength of 5 ⁇ 20 ⁇ m at 37 ° C .
  • the measured value in a untreated polyurethane foam was 23 °C ; whereas the measured value in the memory foam according to the present invention was 24.9 °C. That is, the temperature of the memory foam according to the present invention was higher than the conventional memory foam by about 2 ° C .
  • the memory foam according to the present invention was determined to have an emission rate of 340 ions/cm 3 .
  • the anion emitted to the human body helps maintain a constant blood pressure and assists in respiration.
  • a memory foam was produced in the same manner as in Example 1, except that lOOg of montmorillonites (beidellite, montmorillonite, nontronite, saponite and vermiculite) were used instead of jades and micas.
  • montmorillonites beidellite, montmorillonite, nontronite, saponite and vermiculite
  • a memory foam was produced in the same manner as in Example 1, except that lOOg of serpentines (kaolinite, antigorite, chrysotile, amesite, cronstedtite, halloysite and palygorskite) were used instead of jades and micas.
  • serpentines kaolinite, antigorite, chrysotile, amesite, cronstedtite, halloysite and palygorskite
  • a cushion was produced in the same manner as in Example 1, except that lOOg of a mixture of acanthite, polybasite, jamesonite, boulangerite and realgar was used instead of jades and micas.
  • a cushion was produced in the same manner as in Example 1, except that lOOg of a mixture of monazite, lazulite, carnotite, chloritoid and chondrodite was used instead of jades and micas.
  • a pillow was produced in the same manner as in Example 1, except that 80g of jades and micas and 20g of tourmaline were used.
  • a cushion was produced in the same manner as in Example 1, except that 80g of jades and micas and 20g of almandite were used.
  • Test strain for antibacterial activity Staphylococcus aureus ATCC 6538
  • the memory foam according to the present invention has excellent antibacterial activity and deodorant property, realized by inhibiting bacterial growth.
  • the memory foam according to the present invention has a far infrared ray radiation capable of promoting blood circulation and metabolism by radiating far infrared rays to the human body.
  • the memory foam according to the present invention can be easily produced with improved hygiene and a simple production method, compared to conventional memory foams containing cottonwool therein. Accordingly, the memory foam according to the present invention can be used for household articles, articles for physical exercise, clothes, shock-absorbent cushions, pillows, etc.

Abstract

L'invention concerne une mousse à mémoire de forme présentant une excellente activité antibactérienne, un excellent effet déodorant et une grande capacité d'émission de rayons infrarouges lointains. La mousse à mémoire de forme présentée est obtenue par mélange de 75 ∩ 98 % en poids de polyuréthanne, 1 ∩ 13 % en poids d'une matière poreuse inorganique et 1 ∩ 13 % en poids d'une poudre d'agent antibactérien inorganique et par moulage dudit mélange, moulage dont le but est de former la mousse à mémoire de forme. Cette mousse à mémoire de forme présente une activité antibactérienne et un effet déodorant obtenus par le fait qu'elle inhibe la croissance bactérienne. En outre, cette mousse à mémoire de forme émet des rayons infrarouges lointains, cette émission vers le corps d'un homme pouvant stimuler la circulation sanguine et le métabolisme. De plus, la mousse à mémoire de forme peut être produite facilement avec une hygiène améliorée et selon un procédé de production simple, si l'on compare avec les mousses à mémoire de forme classiques contenant de la laine de coton. En conséquence, la mousse à mémoire de forme présentée peut être utilisée pour des articles ménagers, des articles pour l'exercice physique, des habits, des coussins amortisseurs de chocs, des oreillers, etc..
PCT/KR2003/000047 2003-01-11 2003-01-11 Mousse a memoire de forme viscoelastique a effets antibacterien, deodorant et d'emission de rayons infrarouges lointains WO2004063088A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2003202161A AU2003202161A1 (en) 2003-01-11 2003-01-11 Visco-elastic memory foam with functions of anti-bacteria, deodorization and far infrared rays emission
PCT/KR2003/000047 WO2004063088A1 (fr) 2003-01-11 2003-01-11 Mousse a memoire de forme viscoelastique a effets antibacterien, deodorant et d'emission de rayons infrarouges lointains
KR1020037000874A KR100956759B1 (ko) 2003-01-11 2003-01-11 항균성, 소취성, 원적외선 방사율이 뛰어난 메모리 폼

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2003/000047 WO2004063088A1 (fr) 2003-01-11 2003-01-11 Mousse a memoire de forme viscoelastique a effets antibacterien, deodorant et d'emission de rayons infrarouges lointains

Publications (1)

Publication Number Publication Date
WO2004063088A1 true WO2004063088A1 (fr) 2004-07-29

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PCT/KR2003/000047 WO2004063088A1 (fr) 2003-01-11 2003-01-11 Mousse a memoire de forme viscoelastique a effets antibacterien, deodorant et d'emission de rayons infrarouges lointains

Country Status (3)

Country Link
KR (1) KR100956759B1 (fr)
AU (1) AU2003202161A1 (fr)
WO (1) WO2004063088A1 (fr)

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JP2004323744A (ja) * 2003-04-25 2004-11-18 Kurabo Ind Ltd 抗菌性軟質ウレタンフォーム及びそれを用いた枕
CN101983568A (zh) * 2010-11-25 2011-03-09 中国地质大学（武汉） 一种埃洛石载银抗菌剂及其制备方法
CN103288188A (zh) * 2013-05-07 2013-09-11 沈礼群 一种天然矿维保健净化饮水剂及其制备方法与其应用
CN105344021A (zh) * 2015-11-07 2016-02-24 德化均能手造陶瓷有限公司 一种光波活血通络晶片
EP3067445A1 (fr) * 2015-03-07 2016-09-14 Instytut Wlokiennictwa Procédé pour biofonctionnalisation de matériaux textiles
WO2017117637A1 (fr) * 2016-01-07 2017-07-13 Ted-Bed Jsc Composition de mousse de polyuréthane
CN109280364A (zh) * 2018-08-08 2019-01-29 日丰企业（佛山）有限公司 超高轴向剪切强度的预制直埋保温管道及复合保温组合物
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CN111440283A (zh) * 2020-05-29 2020-07-24 两者时尚商业(江苏)有限公司 抗菌改性聚氨酯记忆棉及制备方法
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KR102627596B1 (ko) * 2023-09-25 2024-01-22 이만우 도막식 방수용 및 복합방수 시트용 고성능 개량 아스팔트 조성물 및 이를 이용한 교면의 복합방수 시공방법

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Cited By (19)

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JP2004323744A (ja) * 2003-04-25 2004-11-18 Kurabo Ind Ltd 抗菌性軟質ウレタンフォーム及びそれを用いた枕
JP4667726B2 (ja) * 2003-04-25 2011-04-13 倉敷紡績株式会社 抗菌性軟質ウレタンフォーム及びそれを用いた枕
CN101983568A (zh) * 2010-11-25 2011-03-09 中国地质大学（武汉） 一种埃洛石载银抗菌剂及其制备方法
CN103288188A (zh) * 2013-05-07 2013-09-11 沈礼群 一种天然矿维保健净化饮水剂及其制备方法与其应用
EP3067445A1 (fr) * 2015-03-07 2016-09-14 Instytut Wlokiennictwa Procédé pour biofonctionnalisation de matériaux textiles
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JP2020506249A (ja) * 2016-12-06 2020-02-27 ザ テキサス エーアンドエム ユニバーシティ システムＴｈｅ Ｔｅｘａｓ Ａ＆Ｍ Ｕｎｉｖｅｒｓｉｔｙ Ｓｙｓｔｅｍ 抗菌形状記憶ポリマー
EP3551241A4 (fr) * 2016-12-06 2020-08-12 The Texas A&M University System Polymères à mémoire de forme antimicrobiens
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