WO2014003096A1 - 発熱具 - Google Patents
発熱具 Download PDFInfo
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- WO2014003096A1 WO2014003096A1 PCT/JP2013/067608 JP2013067608W WO2014003096A1 WO 2014003096 A1 WO2014003096 A1 WO 2014003096A1 JP 2013067608 W JP2013067608 W JP 2013067608W WO 2014003096 A1 WO2014003096 A1 WO 2014003096A1
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- WIPO (PCT)
- Prior art keywords
- adhesive layer
- heating tool
- skin
- oil
- weight
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
- A61F7/034—Flameless
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0225—Compresses or poultices for effecting heating or cooling connected to the body or a part thereof
- A61F2007/0226—Compresses or poultices for effecting heating or cooling connected to the body or a part thereof adhesive, self-sticking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0244—Compresses or poultices for effecting heating or cooling with layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0261—Compresses or poultices for effecting heating or cooling medicated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0261—Compresses or poultices for effecting heating or cooling medicated
- A61F2007/0263—Compresses or poultices for effecting heating or cooling medicated made of a substance with therapeutic action, e.g. copper or silver
Definitions
- the present invention relates to a heating tool provided with an adhesive layer. More specifically, the present invention reduces the cooling sensation when the adhesive layer is applied to the skin, has a high thermal effect, oil is effectively supplied to the skin, and the adhesive layer is peeled off from the skin.
- the present invention relates to a heating tool with a reduced cooling sensation.
- heating tools such as disposable warmers have been used as body warmers and thermotherapy devices.
- disposable warmers are frequently used because they are excellent in portability, safety, simplicity, etc., and are inexpensive.
- a general disposable body warmer uses an exothermic composition that generates heat in the presence of air, and exhibits a heat retaining effect by this heat generation principle.
- a heating tool that can be directly applied to the skin has been reported.
- Patent Document 1 is provided with an aqueous pressure-sensitive adhesive layer containing polyacrylic acid and / or polyacrylate, a cellulose derivative, and a polyvalent metal compound and having a ball tack value of 15 or more.
- An exothermic sheet is disclosed.
- the aqueous pressure-sensitive adhesive layer is less peeled off when applied to the skin, and even when sealed and the temperature rises, the pressure-sensitive adhesive layer does not sag and can be peeled cleanly after use. It is disclosed that it is excellent in property.
- Patent Document 2 discloses a water vapor generating composition that is applied to the skin or mucous membrane. By releasing water vapor from the water vapor generating composition to the skin or mucous membrane, the chemical or the It is disclosed that a cosmetic ingredient can be efficiently transdermally absorbed.
- Patent Document 1 when the exothermic sheet is applied to the skin or after it has been peeled off the skin, There is a problem that it is easy to feel and it takes a relatively long time to warm up. Further, in Patent Document 2, since the water vapor generating composition hardly adheres to the skin, it is difficult to feel warmth unless the exothermic temperature of the water vapor generating composition is relatively high, and the drug or cosmetic ingredient is efficiently used.
- the present invention can alleviate the cooling sensation when applied to the skin, effectively warm the skin, the oil is effectively supplied to the skin, and the cooling sensation after peeling from the skin
- An object of the present invention is to provide a heating tool that is alleviated and has a high thermal effect even after use.
- an oil component having a specific heat at 20 ° C. of less than 3 J / g ⁇ K and a boiling point at 1 atm of 100 ° C. or more is 30 to 90% by weight.
- Item 1 A heating tool with an adhesive layer, The specific heat of the adhesive layer is less than 3 J / g ⁇ K at 20 ° C., The adhesive layer contains a base and an oil component having a specific heat at 20 ° C. of less than 3 J / g ⁇ K and a boiling point at 1 atm of 100 ° C. or more, The oil content in the adhesive layer is 30 to 90% by weight. Fever tool.
- Item 2. Item 2. The heating tool according to Item 1, which is directly attached to the skin through the adhesive layer.
- Item 3. Item 3.
- the heating tool according to Item 1 or 2 wherein the oil content in the adhesive layer is 40 to 90% by weight.
- the oil component is at least one selected from the group consisting of hydrocarbons, silicone oils, vegetable oils, animal oils, glycerin fatty acid esters, fatty acids, aliphatic alcohols, aromatic alcohols, polyhydric alcohols, ethers, and esters.
- the heating tool according to any one of 1 to 3.
- Item 5. The heating tool according to any one of Items 1 to 4, wherein the base is at least one selected from the group consisting of a rubber-based adhesive, an acrylic-based adhesive, a silicone-based adhesive, and a urethane-based adhesive. .
- Item 6. Item 6.
- Item 7. Item 7.
- Item 6 wherein the active ingredient is a moisturizing ingredient and / or a warming ingredient.
- Item 8. The heating tool according to any one of Items 1 to 7, wherein the heating tool further contains a fragrance.
- Item 9. Item 9. A method for warming the skin, comprising a step of applying the heating tool according to any one of Items 1 to 8 to the skin.
- Item 10. Item 8. A step of applying the heating tool according to any one of Items 1 to 8 to the skin and / or a step of peeling the heating tool from the skin, when being applied to the skin, peeling from the skin and / or from the skin. To relieve the cold feeling after peeling.
- Item 11. Item 9.
- a method for supplying oil to the skin comprising a step of applying the heating tool according to any one of Items 1 to 8 to the skin.
- Item 12. Item 10. The method of affixing the heating tool according to any one of Items 1 to 8 to the skin and / or the step of peeling the heating tool from the skin, to reduce discomfort during use and / or peeling of the heating tool. how to.
- Item 13. Item 9. The heating tool according to any one of Items 1 to 8, which is used in a method for warming the skin.
- Item 15. Item 9.
- the cooling sensation when the heating tool provided with the adhesive layer is stuck to the skin can be alleviated, and the cooling sensation after peeling from the skin of the heating tool can also be alleviated.
- the skin can be effectively heated, and an excellent thermal effect can be obtained not only when the heating tool is applied to the skin but also after the heating tool is peeled from the skin.
- the oil can be effectively supplied to the skin. Further, according to the present invention, it is possible to eliminate unpleasant sensations such as a feeling of tension and crispness during use and peeling.
- FIG. 1 is an illustration of a heating tool provided with an adhesive layer, and is a model diagram of a heating tool in which the exothermic composition is accommodated in a breathable storage bag and the adhesive layer is laminated on a part of the storage bag. is there.
- the heating tool on which the adhesive layer is laminated is housed in a non-breathable outer bag.
- FIG. 2 is an example of a heating tool provided with an adhesive layer, and is a model diagram of a heating tool in which the exothermic composition is accommodated in a breathable storage bag and the adhesive layer is laminated on a part of the storage bag. is there.
- the heating tool on which the adhesive layer is laminated is housed in a non-breathable outer bag.
- the shape shown in FIG. 2 is an example of a heating tool that is preferably applied to the eye portion.
- FIG. 3 is a diagram showing a result of comparing the thermal effects of the heating tool provided with the adhesive layer.
- the specific heat of the adhesive layer is less than 3 J / g ⁇ K at 20 ° C.
- the adhesive layer is a base
- the specific heat at 20 ° C. is less than 3 J / g ⁇ K.
- an oil component having a boiling point of 100 ° C. or higher at 1 atm, and the content of the oil component in the adhesive layer is 30 to 90% by weight.
- Adhesive layer The heating tool of the present invention comprises an adhesive layer.
- the specific heat of the pressure-sensitive adhesive layer used in the present invention is less than 3 J / g ⁇ K at 20 ° C., more preferably 0.5 to 2.7 J / g ⁇ K, and still more preferably 0.5 to 2.5 J. / G ⁇ K.
- the specific heat of the adhesive layer is measured by a DSC method (Differential Scanning calorimetry).
- the adhesive layer used in the present invention contains a base and an oil component.
- the oil has a specific heat at 20 ° C. of less than 3 J / g ⁇ K and a boiling point at 1 atmosphere of 100 ° C. or more.
- the specific heat of the oil is preferably 0.5 to 2.7 J / g ⁇ K, more preferably 0.5 to 2.5 J / g ⁇ K at 20 ° C.
- the boiling point in 1 atmosphere is 120 degreeC or more, More preferably, 150 degreeC or more is mentioned.
- the specific heat of the oil is also measured by the DSC method (differential scanning calorimetry), as described above.
- the boiling point of each oil component is well-known.
- Such an oil component is not limited as long as the specific heat and boiling point described above are satisfied.
- any oil component that is cosmetically or pharmaceutically acceptable may be used.
- the oil include hydrocarbon, silicone oil, vegetable oil, animal oil, glycerin fatty acid ester, fatty acid, aliphatic alcohol, aromatic alcohol, polyhydric alcohol, ether, and ester.
- oil for example, liquid paraffin, isoparaffin, polybutene, petrolatum, squalene, squalane, ethylene trifluorochloride, hydrocarbons such as dimethyl silicone oil, methyl phenyl silicone oil, and cyclic dimethyl silicone oil, these Silicone oils including modified silicone oils such as those in which organic chains are introduced into silicone oil; olive oil, sesame oil, tung oil, corn oil, soybean oil, castor oil, rapeseed oil, rice oil, camellia oil, safflower oil, coconut oil , Palm oil, palm kernel oil, cottonseed oil, sunflower oil, coconut oil, flaxseed oil, peanut oil, avocado oil, almond oil, grape seed oil, and jojoba oil; whale oil, coconut oil, liver oil, pig oil, cattle Animal oils such as oil, sheep oil and horse oil; glyceryl monostearate, glyceryl monopalmitate Monoglycerides such as ril, glyceryl monooleate,
- the oil component is preferably an oil component that satisfies the specific heat and boiling point and is liquid at 35 ° C., more preferably an oil component that is liquid at 20 ° C., and more preferably an oil component that is liquid at 0 ° C. .
- oils examples include hydrocarbons, silicone oils and vegetable oils, more preferably liquid paraffin, isoparaffin, polybutene, petrolatum, squalene, squalane, ethylene trifluoride chloride, dimethyl silicone oil, methylphenyl silicone oil, Cyclic dimethyl silicone oil, modified silicone oils such as those obtained by introducing organic chains into these silicone oils, olive oil, sesame oil, tung oil, corn oil, soybean oil, castor oil, rapeseed oil, rice oil, camellia oil, safflower oil, palm Examples include oil, palm oil, palm kernel oil, cottonseed oil, sunflower oil, cocoon oil, linseed oil, peanut oil, avocado oil, almond oil, grape seed oil, and jojoba oil.
- silicone oils and vegetable oils more preferably liquid paraffin, isoparaffin, polybutene, petrolatum, squalene, squalane, ethylene trifluoride chloride, dimethyl silicone oil, methylphenyl silicone oil, Cyclic dimethyl silicone
- the oil content is 30 to 90% by weight, preferably 40 to 90% by weight, more preferably 50 to 90% by weight, and still more preferably 60 to 85% by weight, as a blending ratio of the oil in the adhesive layer. Is exemplified.
- the adhesive layer used in the present invention further contains a base.
- the base is harmless even if it touches the skin, and is not limited as long as it can exhibit adhesiveness to the extent that the adhesive layer can be applied to the skin when combined with the oil.
- Examples of such bases include those conventionally used as adhesive components in skin patches and the like, and are not limited as long as a desired effect is obtained. Therefore, a conventionally well-known adhesive component is mentioned as a base.
- Such a base examples include polystyrene-polybutadiene-polystyrene copolymer (SBS), polystyrene-polyisoprene-polystyrene copolymer (SIS), and polystyrene-polyethylene-polybutylene--which is a hydrogenated copolymer thereof.
- SBS polystyrene-polybutadiene-polystyrene copolymer
- SIS polystyrene-polyisoprene-polystyrene copolymer
- polystyrene-polyethylene-polybutylene--which is a hydrogenated copolymer thereof examples include polystyrene-polybutadiene-polystyrene copolymer (SBS), polystyrene-polyisoprene-polystyrene copolymer (SIS), and polystyrene-pol
- Rubber adhesives such as polystyrene copolymer (SEBS) and polystyrene-polyethylene-polypropylene-polystyrene copolymer (SEPS), methyl acrylate (MA), ethyl acrylate (EA), 2-ethylhexyl acrylate (HA), butyl acrylate
- SEBS polystyrene copolymer
- SEPS polystyrene-polyethylene-polypropylene-polystyrene copolymer
- MA methyl acrylate
- EA ethyl acrylate
- HA 2-ethylhexyl acrylate
- acrylic pressure-sensitive adhesives such as (BA)
- silicone pressure-sensitive adhesives such as addition-curing types and peroxide-curing types
- urethane-based pressure-sensitive adhesives such as ethers and esters.
- the base is preferably a rubber pressure-sensitive adhesive, more preferably a polystyrene-polybutadiene-polystyrene copolymer (SBS), a polystyrene-polyisoprene-polystyrene copolymer (SIS), or a hydrogenated copolymer thereof.
- SBS polystyrene-polybutadiene-polystyrene copolymer
- SIS polystyrene-polyisoprene-polystyrene copolymer
- hydrogenated copolymer thereof examples thereof include polystyrene-polyethylene-polybutylene-polystyrene copolymer (SEBS) and polystyrene-polyethylene-polypropylene-polystyrene copolymer (SEPS).
- the content of the base is not limited as long as the desired effect can be obtained, but the blending ratio of the base in the adhesive layer is 5 to 70% by weight, more preferably 10 to 60% by weight, still more preferably 10 to 40%. Weight percent is exemplified.
- the adhesive layer used in the present invention may further contain an active ingredient as necessary.
- the active ingredient is not particularly limited, and examples include moisturizing, warmth (blood circulation promotion, etc.), whitening, anti-wrinkle, aging prevention, anti-inflammatory, antibacterial, antioxidant, slimming, cleansing, relaxing, etc. Accordingly, a component having a desired effect may be contained.
- ceramide, hyaluronic acid, squalane, collagen, lipid (registered trademark) and the like are exemplified as active ingredients, and one of these functions is moisturizing.
- capsaicin, caffeine, tocopherol nicotinate, nonylic acid vanillylamide and the like are exemplified as active ingredients, and one of these actions is warm.
- vitamin A As other active ingredients, vitamin A, retinol, palmitic acid, retinol, tetrahexyl decanoic acid ascorbic acid, tocopherol, dl- ⁇ -tocopherol, dl- ⁇ -tocopherol acetate, L-menthol, camphor, sulfur, pyridoxine chloride Sorbitol, maltitol, hyaluronic acid, apricot extract, licorice extract, aloe extract, seaweed extract, carrot extract, mulberry extract, licorice extract and the like, and their actions are conventionally known.
- the components blended in conventional poultices, antipyretic components, components effective for stiff shoulders, etc. are exemplified as active components, and any components may be used depending on the purpose without particular limitation. . Depending on the purpose, these may be used alone or in combination of two or more.
- the content of the active ingredient is not limited as long as the desired effect is obtained.
- the content of the active ingredient in the adhesive layer is 0.0001 to 20% by weight, more preferably 0. Examples are 001 to 10% by weight, more preferably 0.005 to 5% by weight.
- the adhesive layer may further contain optional components such as preservatives, dyes, pigments, and fragrances as necessary.
- preservatives such as a fragrance
- flavor such as a sulfate
- a fragrance flavor
- the adhesive layer may be provided on at least a part of the heating tool as described later.
- the thickness, size, shape, and the like of the pressure-sensitive adhesive layer provided in the heating tool are not limited as long as the effects of the present invention can be obtained, and may be set as appropriate according to the purpose of use such as the application location of the heating tool provided with the pressure-sensitive adhesive layer. From the viewpoint of efficiently obtaining the effects of the present invention, for example, the thickness of the adhesive layer is 1 to 3000 ⁇ m, more preferably 10 to 300 ⁇ m. Further, the size of the adhesive layer may be appropriately set according to the application site such as eyes, shoulders, waist, back, arms, legs, and soles. Further, the shape is not limited as long as the effect of the present invention can be obtained, and may be appropriately set as necessary so as to be easy to use according to the application location.
- the heating tool provided with the adhesive layer of the present invention is not limited as long as the effect of the present invention is obtained.
- the heating tool may be directly attached to the skin via the adhesive layer, or the clothing heating layer may be interposed via the adhesive layer. It may be pasted. From the point of acquiring a desired effect more effectively, the heating tool provided with the adhesive layer of the present invention is directly attached to the skin through the adhesive layer.
- the pressure-sensitive adhesive layer used in the present invention has the specific heat, and contains the specific oil in a specific blending ratio.
- the adhesive layer By using the adhesive layer, it is possible to relieve the cooling sensation when the adhesive layer is applied to the skin, peeled off from the skin, and after peeling, and the adhesive layer quickly becomes warm due to the heat generation effect of the heating tool. Can warm the skin effectively.
- the pores of the skin are easily opened due to the thermal effect, and the oil and active ingredients blended in the adhesive layer are easily supplied to the skin.
- the thermal effect is effective even after peeling as well as when the adhesive layer is applied to the skin. It can be maintained well.
- an oil component in the adhesive layer in this way, unpleasant sensations such as a feeling of tension and a crispness when the adhesive layer is used and peeled can be eliminated.
- the said oil content itself contained in the adhesion layer has effects, such as blood circulation promotion, the effect derived from this oil content can also be acquired simultaneously.
- an active ingredient is further mix
- the adhesive layer hardly peels off when applied to the skin, the adhesive layer does not sag, and can be peeled without the base remaining on the skin.
- the heating tool provided with the adhesive layer is not limited as long as the effect of the present invention can be obtained, and any conventionally known heat-generating tool may be used, which is excellent in portability, safety, simplicity, and the like.
- a conventionally known one capable of generating heat in the presence of oxygen may be used.
- an exothermic composition containing oxidizable metal powder, a water-soluble salt, and water, and further oxidation promotion can be used.
- An exothermic composition containing components such as an agent and a water retention agent can be used.
- this invention includes an oxidation accelerator, an oxidizable metal powder, water-soluble salt, a water retention agent, and a heat-generating composition as an example of a heat-generating tool, and at least the heat-generating composition is breathable. What is accommodated in the accommodation bag which has this is demonstrated below.
- Other heating tools can be prepared and manufactured with reference to the following description.
- the oxidation accelerator is not limited as long as a desired effect is obtained, but examples thereof include carbon black, graphite, activated carbon, coal, charcoal, bamboo charcoal, graphite, acetylene black, and coffee cas charcoal. These may be used alone or in combination of two or more.
- the blending amount of the oxidation accelerator is not limited as long as the desired effect can be obtained, but the blending ratio of the oxidation accelerator in the exothermic composition is exemplified by 1 to 30% by weight, preferably 3 to 25% by weight. Preferably, 5 to 23% by weight is mentioned.
- the blending amount of the oxidation accelerator with respect to the oxidizable metal powder to be described later is not limited as long as a desired effect is obtained, but the oxidation accelerator is 1 to 30 weights with respect to 100 parts by weight of the oxidizable metal powder. Parts, and preferably 2 to 25 parts by weight, more preferably 5 to 20 parts by weight.
- the oxidizable metal powder contained in the exothermic composition is not limited as long as it is a metal powder that generates heat when oxidized, but iron powder, aluminum powder, magnesium powder, zinc powder, copper powder are exemplified, and preferably Is exemplified by iron powder.
- reduced iron powder, cast iron powder, atomized iron powder, and electrolytic iron powder are exemplified as the iron powder. These may be used alone or in combination of two or more.
- the average particle diameter of the oxidizable metal powder can be exemplified as 0.01 to 1000 ⁇ m. Preferably, it is 0.1 to 500 ⁇ m, more preferably 0.5 to 300 ⁇ m.
- the average particle diameter of the oxidizable metal powder can be measured by a JIS method using a standard sieve.
- the blending amount of the oxidizable metal powder is not limited as long as the desired effect is obtained, but the blending ratio of the oxidizable metal powder in the exothermic composition is exemplified by 20 to 80% by weight, preferably 30 to 70%. A weight percent, more preferably 40 to 65 weight percent is exemplified.
- the water-soluble salts contained in the exothermic composition are blended to promote oxidation of the oxidizable metal powder and are not limited as long as the desired effect is obtained, but as the water-soluble salts, alkali metals such as sodium and potassium are used. Hydrochloric acid salts and sulfates of alkaline earth metals such as calcium and magnesium, and other metal hydrochlorides and sulfates such as iron, copper, aluminum, zinc, nickel, silver and barium are preferred. More preferably, potassium chloride, sodium chloride, etc. are mentioned. These may be used alone or in combination of two or more.
- the blending amount of the water-soluble salt is not limited as long as the desired effect is obtained, but the blending ratio of the water-soluble salt in the exothermic composition is exemplified as 0.1 to 10% by weight, preferably 0.5 to 7%. Illustrative is wt%, more preferably 1-5 wt%.
- the water retention agent has a function of retaining water, and is not limited as long as it has the function and a desired effect is obtained, and examples thereof include a porous substance and a water absorbent resin.
- water retention agents natural and synthetic minerals such as vermiculite, perlite, calcium silicate, kaolin, talc, smectite, mica, bentonite, calcium carbonate, silica gel, alumina, zeolite, silicon dioxide, diatomaceous earth, pulp, wood flour (sawdust) Cotton, polyacrylate resin, polysulfonate resin, maleic anhydride resin, polyacrylamide resin, polyvinyl alcohol resin, polyethylene oxide resin, polyaspartate resin, polyglutamate resin Natural and synthetic organic substances such as polyalginate resins, starches and celluloses, preferably vermiculite, perlite, wood flour (sawdust), diatomaceous earth, perlite, silica gel, aluminum oxide, and the water-absorbing resin. It is. These may be used alone or in
- the blending amount of the water retention agent is not limited as long as the desired effect can be obtained, but the content of the water retention agent in the exothermic composition is exemplified by 1 to 20% by weight, preferably 3 to 15% by weight, more preferably 5 to 10% by weight.
- those having a porous structure such as vermiculite can play a role not only as a water retention agent but also as an air passage.
- distilled water distilled water, tap water, ion exchange water, pure, ultrapure water, industrial water, etc. can be used.
- the blending amount of water is not limited as long as the desired effect is obtained, but the blending ratio of water in the exothermic composition is exemplified by 1 to 50% by weight, preferably 5 to 40% by weight, more preferably 10 to 10%. 35% by weight is exemplified.
- the blending ratio in the exothermic composition is 5 to 20% by weight of the oxidation accelerator, 40 to 80% by weight of the oxidizable metal powder, 3 to 15% by weight of the water retention agent, and the water-soluble salts 1
- Illustrative examples include, but are not limited to, ⁇ 10 wt% and water 1 ⁇ 40 wt%.
- the exothermic composition may be blended with other components that can be blended with the exothermic composition as necessary.
- examples of such components include, but are not limited to, surfactants, hydrogen generation inhibitors, thickeners, and excipients.
- the total amount of the oxidation accelerator, oxidizable metal powder, water-soluble salt, water retention agent and water is not limited as long as the desired effect is obtained, and the exothermic temperature in the exothermic composition is on the skin. What is necessary is just to set suitably so that it may become suitable temperature when applying.
- the temperature is exemplified by 32 to 85 ° C., more preferably about 40 to 70 ° C. (measured value based on JIS S4100).
- the exothermic composition is prepared by mixing the above ingredients.
- the exothermic composition may be prepared in the presence of oxygen, or may be prepared under vacuum or an inert gas atmosphere. These can be prepared according to conventionally known procedures.
- the exothermic composition thus prepared is accommodated in an air-permeable storage bag for storing the exothermic composition (hereinafter, sometimes referred to as “storage bag for the exothermic composition”). ing.
- the breathable accommodation bag for accommodating the exothermic composition is not limited as long as the exothermic composition can accommodate the exothermic composition, and any conventionally known one can be used.
- a breathable bag used for a conventionally known disposable body warmer can be used.
- a storage bag for an exothermic composition a laminate formed by laminating a breathable resin film on a breathable woven or non-woven fabric The thing with a structure is mentioned.
- a resin film having air permeability is arranged on the inner side of the housing bag for the exothermic composition, and a woven fabric or nonwoven fabric having air permeability is arranged on the outer side.
- the resin used for the resin film having air permeability is not particularly limited, but is preferably a thermoplastic resin.
- the thermoplastic resin include polyethylene, polypropylene, polyester, polyamide, polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polycarbonate, ethylene-vinyl acetate copolymer, and the like.
- polyethylene, polypropylene, ethylene vinyl acetate copolymer and the like are preferable as the thermoplastic resin. These may be used alone or in combination of two or more.
- the resin film having air permeability used in the present invention is provided with at least a part of pores for ensuring air permeability in the resin film formed of the resin.
- the pores are not limited as long as air can be passed through the inside and outside of the bag for the exothermic composition and the leak of the exothermic composition to the outside of the bag is prevented.
- the temperature of the heating tool during use can be affected by the air permeability of the packaging bag for the exothermic composition, so that the size, shape, What is necessary is just to determine a number suitably.
- Means for providing pores in the resin film are also known in the art, and can be performed according to conventional procedures.
- synthetic fibers such as nylon, vinylon, polyester, rayon, acrylic, polyethylene, polypropylene, acetate, polyvinyl chloride, polybutylene terephthalate, cotton, hemp
- natural fibers such as silk and paper
- mixed fibers of synthetic fibers and natural fibers examples include nylon, polyester, polypropylene, and the like, more preferably nylon and polyester. These may be used alone or in combination of two or more.
- the woven fabric or non-woven fabric is not limited as long as air can pass through the inside and outside of the storage bag for the exothermic composition and can prevent leakage of the exothermic composition to the outside of the storage bag, but the basis weight is preferably Examples are 25 to 70 g / m2.
- Lamination of the resin film with air permeability and the woven or non-woven fabric with air permeability has a strength as an accommodation bag for the exothermic composition, and the air permeability is ensured.
- a lamination method can be used.
- the lamination method include a method of lamination by thermal bonding, a method of lamination using an adhesive such as a hot melt adhesive, an acrylic adhesive, or a urethane adhesive.
- stacking may be formed in the whole surface of the accommodation bag for exothermic compositions, and may be laminated
- the storage bag for storing the exothermic composition may not have air permeability in all of the storage bags, that is, a part of the storage bag that does not have air permeability (non-air-permeable part).
- the non-breathable portion is not limited as long as it can accommodate the exothermic composition and does not have breathability, and conventionally known ones can be used.
- the non-breathable part is configured in consideration of the point that it prevents the exothermic composition from leaking, is durable against heat generated by the exothermic composition, and improves the feeling of use of the heating tool.
- a bag for a heat-generating composition used in a conventionally known disposable body warmer can be used which constitutes a non-breathable portion.
- thermoplastic resin examples include polyethylene, polypropylene, polyester, polyamide, polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polycarbonate, ethylene-vinyl acetate copolymer, and the like.
- polyethylene, polypropylene, ethylene vinyl acetate copolymer and the like are preferable as the thermoplastic resin. These may be used alone or in combination of two or more.
- the resin film that does not have air permeability may have a laminated structure in which a woven fabric or nonwoven fabric that has air permeability is laminated on the resin film that does not have air permeability.
- a resin film that does not have air permeability on the inner side of the housing bag for the exothermic composition is a woven fabric having air permeability on the outer side or A non-woven fabric is placed.
- a commercially available bag for the exothermic composition may be used.
- the size and shape of the containing bag for the exothermic composition are not limited as long as a desired effect is obtained, and may be appropriately determined according to the purpose of use.
- the heating tool provided with the pressure-sensitive adhesive layer may further contain a fragrance
- the fragrance is not limited as long as it is appropriately determined according to the use and preference, but natural fragrance such as essential oil is used alone or in combination. They can be used alone, or synthetic single-fragrances can be used alone or in combination. Moreover, natural fragrance
- flavor can also be used arbitrarily as a preparation fragrance
- Natural flavors include vanilla, lavender, chamomile, rosie mary, sage, citronella, ginger, ylang ylang, eucalyptus, mint, rose, lily, lilac, jasmine, cardamom, lemongrass, citron, orange, lemon, lime, Examples include, but are not limited to, grapefruit, neroli, cedarwood, sandalwood, anise, caraway, amber, musk, civet, and castrium.
- Synthetic single flavors include acetophenone, aldehydes C6 to C16, allyl capronate, amylcinnamic aldehyde, amyl salicylate, benzaldehyde, benzyl acetate, benzyl alcohol, borneol, camphor, cinnamic alcohol, citral, citronellal, citronellol, coumarin, Damascon, dihydrolinalol, dihydromyrsenol, diphenyl oxide, ethyl-2-methylbutyrate, ethylbutyrate, eugenol, geraniol, geranyl acetate, phenylethyl alcohol, hedion, hexanol, cis-3-hexanol, ⁇ - Hexylcinnamic aldehyde, isoamyl acetate, lyial, limonene, linalool
- the fragrance is more preferably a fragrance that can volatilize its effect depending on the temperature at which the exothermic composition generates heat in the presence of air.
- a fragrance that can volatilize the effect at a temperature of about 40 ° C to 70 ° C is more preferable.
- the fragrance may be liquid or solid.
- the heating tool can be said to have a relaxing effect.
- the effect (function) of each fragrance is conventionally known.
- the blending amount of the fragrance in the heating tool is not limited as long as the desired effect is obtained, but 0.0001 to 5 parts by weight of the fragrance is exemplified with respect to 100 parts by weight of the exothermic composition, preferably 0.01 to Examples are 1 part by weight, more preferably 0.05 to 0.6 part by weight.
- the fragrance When containing the fragrance in the heating tool, it is not limited as long as the scent can be imparted to the heating tool, but the fragrance may be further stored in the breathable storage bag or may exist outside the storage bag. . More specifically, when the fragrance is contained in the heating tool, for example, the fragrance may be mixed with each component of the exothermic composition and stored in a storage bag, and the fragrance is for the exothermic composition.
- the perfume may be stored in advance in another sheet or another air-permeable storage bag, and the sheet or the storage bag may be used for the exothermic composition. It may be arranged inside and / or outside the storage bag.
- flavor itself may be mixed with each compounding component, and water etc. and a fragrance
- the mixture obtained by the above may be mixed with each of the above-mentioned blending components, and a fragrance or such a mixture is previously sealed in a conventionally known microcapsule, and the obtained encapsulated microcapsule is mixed with each of the above-mentioned blending components.
- the fragrance or the mixture is supported on a carrier, it may be mixed with each of the above-mentioned blending components.
- the fragrance is It is preferable to mix with each of the above-mentioned blending components after having been previously supported on a carrier.
- a carrier is not limited as long as the effects of the present invention are not hindered, and examples thereof include silica, vermiculite, perlite, fluorite, zeolite, fine silicon dioxide, pulp, plastic, rubber, elastomer and the like.
- the particle size of the carrier is not limited as long as the effect is not hindered, but the average particle size can be exemplified by about 0.1 to 3000 ⁇ m, preferably about 0.5 to 1000 ⁇ m, more preferably about 1 to 500 ⁇ m. Further, the amount of the carrier is not limited as long as the effect of the present invention is not hindered.
- a fragrance when it is supported, for example, a fragrance may be supported on a component contained in the exothermic composition. From the viewpoint of influence on heat generation, it is preferable to support a fragrance on components other than the oxidation accelerator and the oxidizable metal powder in the exothermic composition.
- a fragrance may be carried on a component such as a water retention agent contained in the exothermic composition.
- the fragrance when the fragrance is included in at least a part of the accommodation bag for the exothermic composition as described above, for example, the fragrance may be included by impregnating the accommodation bag in advance, and the film constituting the accommodation bag , A fragrance may be added to at least one of a woven fabric and a non-woven fabric in advance. Moreover, you may include a fragrance
- the exothermic composition and the heating tool are prepared in the same manner as described above in the same manner as described above.
- the adhesive layer may be provided in at least a part of the heating tool, and the position and method of the adhesive layer provided in the heating tool are not limited as long as the effect of the present invention is obtained.
- the heating tool provided with the adhesive layer of the present invention can be obtained by providing the adhesive layer in at least a part of the containing bag containing the exothermic composition.
- the storage bag for storing the exothermic composition has air permeability as described above, but the storage bag may not have air permeability in all, that is, part of the bag has air permeability. You don't have to. Therefore, the adhesive layer may be provided in a portion of the containing bag that contains the exothermic composition that has air permeability, or may be provided in a portion that does not have air permeability, or both. May be provided.
- the adhesive layer is formed by further laminating a woven fabric, a nonwoven fabric, paper, or the like on a storage bag that contains the exothermic composition, and the heating tool is formed via the laminated woven fabric, nonwoven fabric, paper, or the like. It may be provided.
- the adhesive layer may be provided only at one place of the heating tool, or may be provided at a plurality of places such as two or more places.
- the thickness, size, shape, and the like of the adhesive layer provided in the heating tool are not limited as long as the effect of the present invention is obtained, and is appropriately determined depending on the purpose of use such as the application location of the heating tool provided with the adhesive layer. You only have to set it.
- the method is not limited as long as the adhesive layer can be provided in the heating tool.
- the adhesive layer may be laminated on the heating tool by a hot melt method, a calendar method, or the like.
- FIG. 1 and FIG. 2 show an example of a heating tool provided with an adhesive layer.
- the shape shown in FIG. 2 is an example of the heating tool of the present invention preferably applied to the eye portion.
- the heating device provided with the adhesive layer of the present invention manufactured as described above is generally provided and stored in a state in which it is further packaged in a non-breathable outer bag that does not allow oxygen to permeate and is kept airtight.
- the heating tool provided with the adhesive layer of the present invention may be used by opening the outer bag at the time of use, taking out the heating tool from the outer bag, and bringing the heating tool into contact with oxygen to generate heat.
- the outer bag used here is not particularly limited as long as it is a non-breathable bag that does not allow permeation of oxygen.
- the heating tool provided with the adhesive layer of the present invention thus obtained is not limited as long as the effects of the present invention are obtained.
- the heating tool may be directly attached to the skin via the adhesive layer, or You may stick through an adhesive layer from the top. From the point of acquiring a desired effect more effectively, the heating tool provided with the adhesive layer of the present invention is directly attached to the skin through the adhesive layer.
- the application location of the heating tool provided with the adhesive layer of the present invention is not limited, and can be applied to any part such as eyes, shoulders, waist, back, arms, legs, and soles.
- the heating tool provided with the adhesive layer of the present invention it is possible to alleviate the cooling sensation when the adhesive layer is applied to the skin or peeled off from the skin, and further after the peeling. Can quickly warm the skin. Further, the thermal effect makes it easy to open the pores of the skin, and the oil and active ingredients blended in the adhesive layer are easily supplied to the skin, so that the effect of penetration of desired components into the skin can be enhanced. In addition, since the skin is covered with the oil contained in the adhesive layer, it is possible to prevent the evaporation of sweat on the skin surface. The effect can be maintained satisfactorily. In particular, even after peeling, the oil attached to the skin surface can prevent the heat of vaporization due to evaporation of sweat, so that the warmth can be maintained.
- an oil component in the adhesive layer in this way, unpleasant sensations such as a feeling of tension and a crispness when the adhesive layer is used and peeled can be eliminated.
- the said oil content itself contained in the adhesion layer has effects, such as blood circulation promotion, the effect derived from this oil content can also be acquired simultaneously.
- the active ingredient is further mix
- the adhesive layer hardly peels off when applied to the skin, the adhesive layer does not sag, and can be peeled without the base remaining on the skin.
- the present invention provides a method for warming the skin, which includes a step of applying a heating tool provided with the adhesive layer to the skin.
- the present invention includes a step of applying a heating tool provided with the adhesive layer to the skin and / or a step of peeling the heating tool from the skin, when applied to the skin, when peeled from the skin, and / or It can also be said that it provides a method of relieving the cooling sensation after peeling from the skin.
- this invention provides the method of supplying oil to skin containing the process of sticking the heating tool provided with the said adhesion layer to skin.
- the present invention includes a step of applying a heating tool provided with the adhesive layer to the skin and / or a step of peeling the heating tool from the skin, and discomfort during use and / or peeling of the heating tool. It can also be said that it provides a way to reduce this.
- the present invention provides a method of alleviating the feeling of cooling as described above while warming the skin as described above, supplying oil to the skin as described above, and / or reducing discomfort as described above. I can say that.
- the heating tool provided with the pressure-sensitive adhesive layer used in these methods, each component, its blending amount, manufacturing method, application method, and the like are described in the same manner as described above.
- Example 1 Liquid paraffin (manufactured by Matsumura Oil Research Laboratory, boiling point of 100 ° C. or higher at 1 atm, specific heat of 1.88 J / g ⁇ K at 20 ° C.) as an oil component, and polystyrene-polyethylene-polybutylene-polystyrene copolymer (SEBS) as a base (SEBS) ( Clayton Polymer Japan Co., Ltd.) was mixed to prepare an adhesive layer 1 containing 80% by weight of liquid paraffin and 20% by weight of SEBS. The specific heat of the adhesive layer 1 was 1.96 J / g ⁇ K at 20 ° C.
- SEBS polystyrene-polyethylene-polybutylene-polystyrene copolymer
- iron powder made by DOWA IP Creation Co., Ltd., trade name DKP, average particle size 100 ⁇ m
- water activated carbon (Futamura Chemical Co., Ltd., trade name Taiko activated carbon, average particle size 50 ⁇ m), vermiculite (average particle size about 500 ⁇ m)
- Water absorbent resin acrylic acid polymer partial salt cross-linked product, average particle size 250 ⁇ m
- salt and mixed iron powder 55 wt%, water 25 wt%, activated carbon 10 wt%, vermiculite 5 wt%, water absorbent resin
- the obtained mixture is accommodated in a breathable accommodation bag (130 ⁇ 95 mm) made of a porous film (product name: Breslon, manufactured by Nitto Lifetech Co., Ltd.) partially equipped with a non-breathable sheet and sealed.
- a breathable accommodation bag 130 ⁇ 95 mm
- a porous film product name: Breslon, manufactured by Nitto Lifetech Co., Ltd.
- the aforementioned pressure-sensitive adhesive layer 1 was applied to a part of the non-breathable sheet of the heating tool by a hot melt method to obtain a heating tool provided with the pressure-sensitive adhesive layer 1.
- the thickness of the adhesion layer 1 was about 200 micrometers here.
- Example 2 80 wt. Of silicone oil was used in the same manner as described above except that silicone oil (manufactured by Shin-Etsu Chemical Co., Ltd., boiling point of 100 ° C. or higher at 1 atm, specific heat of 1.67 J / g ⁇ K at 20 ° C.) was used instead of liquid paraffin as the oil component. % And SEBS 20% by weight were prepared.
- Example 3 An adhesive layer 3 containing 60% by weight of liquid paraffin and 40% by weight of SEBS was prepared in the same manner as in Example 1 except that the content of liquid paraffin in the adhesive layer was 60% by weight and SEBS was 40% by weight. .
- the specific heat of the adhesive layer 3 was 1.86 J / g ⁇ K at 20 ° C.
- a heating tool provided with the adhesive layer 3 was obtained in the same manner as in Example 1.
- the thickness of the adhesion layer 3 was about 200 micrometers here.
- Example 4 An adhesive layer 4 containing 35% by weight of liquid paraffin and 65% by weight of SEBS was prepared in the same manner as in Example 1 except that the content of liquid paraffin in the adhesive layer was 35% by weight and SEBS was 65% by weight. .
- the specific heat of the adhesive layer 4 was 1.73 J / g ⁇ K at 20 ° C.
- the heating tool provided with the adhesion layer 4 was obtained like Example 1.
- the thickness of the adhesion layer 4 was about 200 micrometers here.
- Example 5 Instead of liquid paraffin in the adhesive layer, olive oil (boiling point 100 ° C.
- Example 6 instead of liquid paraffin in the adhesive layer, soybean oil (boiling point 100 ° C.
- Example 1 A pressure-sensitive adhesive layer 6 was prepared in the same manner as in Example 1 except that the weight percent and SBS were 30 weight percent. Moreover, the heating tool provided with the adhesion layer 6 was obtained like Example 1. Here, the thickness of the adhesive layer 6 was about 150 ⁇ m. Test example 1 About the heating tool provided with the adhesion layer obtained in the said Example 1 and 2, the thermal effect was evaluated. Specifically, a heating tool provided with an adhesive layer was attached to the arm, and the skin temperature during application 5 minutes and 15 minutes after application was measured. Further, the skin temperature was measured 5 minutes and 10 minutes after the heating tool provided with the adhesive layer was peeled off. CHINO thermography CPA-400A was used for skin temperature measurement.
- Comparative Example 1 the thermal effect was evaluated in the same manner for a commercially available heating tool of the type that generates water vapor and warms the skin.
- oil attached to the skin surface prevents vaporization heat due to evaporation of sweat, and the boiling point of the oil used is as high as 100 ° C. or higher, which prevents evaporation of the oil itself.
- the feeling was suppressed and the warmth could be sustained.
- the specific heat of the oil contained in the adhesive layer and the adhesive layer is relatively small, it has been found that no cooling sensation is felt even when the adhesive layer is applied to the skin.
- there is no discomfort such as a sense of tension or crispness during use or peeling, and it does not peel off during application, and the adhesive layer is sag even when the skin temperature rises.
- the base could be peeled off without remaining on the skin.
- Test example 2 With respect to the heating tool provided with the adhesive layer obtained in Examples 1, 3 and 4, the feeling of use was evaluated based on Table 1. Specifically, each heating tool provided with an adhesive layer was attached to the arm for 20 minutes and then peeled off, and the contents shown in Table 1 were evaluated. When the average value in Table 2 is 0, the best feeling of use is shown. The results are shown in Table 2.
- the heating tool provided with the adhesion layer manufactured like Example 1 was set as the comparative example 2 except the content rate of the liquid paraffin in an adhesion layer being 20 weight% and SEBS being 80 weight%.
- the heating tool provided with the adhesion layer manufactured like Example 1 was set as the comparative example 3 except the content rate of the liquid paraffin in an adhesion layer being 95 weight% and SEBS being 5 weight%.
- A was -2 points
- B was -1 point
- C was 0 point
- D was -1 point
- E was -2 points.
- Example 4 was somewhat inferior to Examples 1 and 3, it was an acceptable feeling of use.
- Comparative Examples 2 and 3 were uncomfortable or sticky and uncomfortable.
- the oil content is moderately without feeling uncomfortable feeling such as stickiness due to oil content, and without feeling unpleasant tension. It was found to be supplied to the skin. Therefore, according to the heating device provided with the pressure-sensitive adhesive layer of the present invention, the oil contained in the pressure-sensitive adhesive layer and further the active ingredient can easily penetrate into the skin, and the effect of penetration of the desired ingredient into the skin is enhanced. I found out that I could do it. In addition, according to the heating device provided with the adhesive layer of the present invention, there is no feeling of tension and further crispness, and there is no problem of use without peeling off or sagging of the adhesive layer during use. There was not.
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Abstract
Description
項1.粘着層を備えた発熱具であって、
該粘着層の比熱が20℃において3J/g・K未満であり、
該粘着層が基剤と、20℃における比熱が3J/g・K未満であり且つ1気圧における沸点が100℃以上である油分とを含有し、
該粘着層中の該油分の含有量が30~90重量%である、
発熱具。
項2.前記粘着層を介して皮膚に直接貼付されるものである、項1に記載の発熱具。
項3.前記粘着層中の前記油分の含有量が40~90重量%である、項1または2に記載の発熱具。
項4.前記油分が、炭化水素、シリコーン油、植物油、動物油、グリセリン脂肪酸エステル、脂肪酸、脂肪族アルコール、芳香族アルコール、多価アルコール、エーテル、及びエステルからなる群より選択される少なくとも1種である、項1~3のいずれかに記載の発熱具。
項5.前記基剤が、ゴム系粘着剤、アクリル系粘着剤、シリコーン系粘着剤、及びウレタン系粘着剤からなる群より選択される少なくとも1種である、項1~4のいずれかに記載の発熱具。
項6.前記粘着層がさらに有効成分を含有するものである、項1~5のいずれかに記載の発熱具。
項7.前記有効成分が保湿成分及び/または温感成分である、項6に記載の発熱具。
項8.発熱具がさらに香料を含有するものである、項1~7のいずれかに記載の発熱具。
項9.項1~8のいずれかに記載の発熱具を皮膚に貼付する工程を含有する、皮膚を温める方法。
項10.項1~8のいずれかに記載の発熱具を皮膚に貼付する工程及び/または該発熱具を皮膚から剥離する工程を含有する、皮膚への貼付時、皮膚からの剥離時及び/または皮膚からの剥離後の冷感を緩和する方法。
項11.項1~8のいずれかに記載の発熱具を皮膚に貼付する工程を含有する、皮膚に油分を供給する方法。
項12.項1~8のいずれかに記載の発熱具を皮膚に貼付する工程及び/または該発熱具を皮膚から剥離する工程を含有する、該発熱具の使用時及び/または剥離時の不快感を軽減する方法。
項13.皮膚を温める方法において使用される、項1~8のいずれかに記載の発熱具。
項14.皮膚への貼付時、皮膚からの剥離時及び/または皮膚からの剥離後の冷感を緩和する方法において使用される、項1~8のいずれかに記載の発熱具。
項15.皮膚に油分を供給する方法において使用される、項1~8のいずれかに記載の発熱具。
項16.発熱具の使用時及び/または剥離時の不快感を軽減する方法において使用される、項1~8のいずれかに記載の発熱具。
粘着層
本発明の発熱具は粘着層を備える。本発明において使用される粘着層の比熱は20℃において3J/g・K未満であり、より好ましくは0.5~2.7J/g・Kであり、さらに好ましくは0.5~2.5J/g・Kが挙げられる。粘着層の比熱は、DSC法(Differential Scanning calorimetry、示差走査熱量測定法)によって測定される。
発熱具
本発明において前記粘着層が備えられる発熱具としては、本発明の効果が獲得できる限り制限されず従来公知の発熱可能なものを用いればよく、携帯性、安全性、簡便性等に優れている観点から、例えば従来公知の酸素の存在下で発熱可能なものを用いればよく、例えば被酸化性金属粉、水溶性塩類、及び水を含有する発熱性組成物や、これにさらに酸化促進剤や保水剤などの成分を含有する発熱性組成物を用いることができる。本発明を制限するものではないが、発熱具の一例として、酸化促進剤、被酸化性金属粉、水溶性塩類、保水剤及び、発熱性組成物を含み、少なくとも該発熱性組成物が通気性を有する収容袋に収容されてなるものについて以下に説明する。これ以外の発熱具も以下の説明を参考にして準備、作製できる。
粘着層を備えた発熱具
本発明において粘着層は発熱具の少なくとも一部に備えさせればよく、粘着層が発熱具に備えられる位置や方法などは本発明の効果が得られる限り制限されない。例えば、発熱性組成物が収容された収容袋の少なくとも一部に前記粘着層を備えさせることにより、本発明の粘着層を備えた発熱具が得られる。このような場合、発熱性組成物を収容する収容袋は前述するように通気性を有するが、当該収容袋は全てにおいて通気性を有していなくてもよく、すなわち一部において通気性を有していなくてもよい。このことから、粘着層は、発熱性組成物を収容する収容袋の通気性を有している部分に備えられてもよく、通気性を有していない部分に備えられてもよく、その両方に渡って備えられてもよい。また、例えば、粘着層は、発熱性組成物を収容する収容袋にさらに織布や不織布や紙等を積層させ、このように積層された織布や不織布や紙等を介して、発熱具に備えさせてもよい。
実施例1
油分として流動パラフィン(松村石油研究所製、1気圧における沸点100℃以上、20℃における比熱1.88J/g・K)と、基剤としてポリスチレン-ポリエチレン-ポリブチレン-ポリスチレン共重合体(SEBS)(クレイトンポリマージャパン株式会社製)とを相溶させて、流動パラフィンを80重量%及びSEBSを20重量%含有する粘着層1を調製した。粘着層1の比熱は20℃で1.96J/g・Kであった。
実施例2
油分として流動パラフィンに代えてシリコーン油(信越化学工業製、1気圧における沸点100℃以上、20℃における比熱1.67J/g・K)を用いる以外は前述と同様にして、シリコーン油を80重量%及びSEBSを20重量%含有する粘着層2を調製した。また、前述の発熱具1を用いて、同様にして粘着層2を備えた発熱具を得た。なお、ここで粘着層2の厚みは約200μmであった。
実施例3
粘着層における流動パラフィンの含有割合を60重量%、SEBSを40重量%とする以外は実施例1と同様にして、流動パラフィンを60重量%及びSEBSを40重量%含有する粘着層3を調製した。粘着層3の比熱は20℃で1.86J/g・Kであった。また、実施例1と同様にして粘着層3を備えた発熱具を得た。なお、ここで粘着層3の厚みは約200μmであった。
実施例4
粘着層における流動パラフィンの含有割合を35重量%、SEBSを65重量%とする以外は実施例1と同様にして、流動パラフィンを35重量%及びSEBSを65重量%含有する粘着層4を調製した。粘着層4の比熱は20℃で1.73J/g・Kであった。また、実施例1と同様にして粘着層4を備えた発熱具を得た。なお、ここで粘着層4の厚みは約200μmであった。
実施例5
粘着層における流動パラフィンに代えてオリーブ油(1気圧における沸点100℃以上、20℃における比熱1.99J/g・K)を用い、SEBSに代えてSISを使用し、オリーブ油の含有割合を75重量%、SISを25重量%とする以外は実施例1と同様にして粘着層5を調製した。また、実施例1と同様にして粘着層5を備えた発熱具を得た。なお、ここで粘着層5の厚みは約180μmであった。
実施例6
粘着層における流動パラフィンに代えて大豆油(1気圧における沸点100℃以上、20℃における比熱1.96J/g・K)を用い、SEBSに代えてSBSを使用し、大豆油の含有割合を70重量%、SBSを30重量%とする以外は実施例1と同様にして粘着層6を調製した。また、実施例1と同様にして粘着層6を備えた発熱具を得た。なお、ここで粘着層6の厚みは約150μmであった。
試験例1
前記実施例1及び2で得た粘着層を備えた発熱具について、温熱効果を評価した。具体的には、粘着層を備えた発熱具を腕に貼り付けて、貼付後5分後と15分後の貼付中の皮膚温度を測定した。また、粘着層を備えた発熱具を剥がした5分後および10分後の皮膚温度を測定した。皮膚の温度測定にはCHINO社製サーモグラフィーCPA-400Aを用いた。
できた。
試験例2
前記実施例1、3及び4で得た粘着層を備えた発熱具について、使用感を表1に基づき評価した。具体的には、粘着層を備えた各発熱具を腕に20分間貼り付けた後に剥離し、表1に示す内容を評価した。表2における平均値が0となる場合に最も良好な使用感を示す。結果を表2に示す。
2.通気性を有する収容袋(通気性を有さない部分)
3.粘着層
4.剥離紙
5.発熱性組成物
6.非通気性の外袋
Claims (10)
- 粘着層を備えた発熱具であって、
該粘着層の比熱が20℃において3J/g・K未満であり、
該粘着層が基剤と、20℃における比熱が3J/g・K未満であり且つ1気圧における沸点が100℃以上である油分とを含有し、
該粘着層中の該油分の含有量が30~90重量%である、
発熱具。 - 前記粘着層を介して皮膚に直接貼付されるものである、請求項1に記載の発熱具。
- 前記粘着層中の前記油分の含有量が40~90重量%である、請求項1または2に記載の発熱具。
- 前記油分が、炭化水素、シリコーン油、植物油、動物油、グリセリン脂肪酸エステル、脂肪酸、脂肪族アルコール、芳香族アルコール、多価アルコール、エーテル、及びエステルからなる群より選択される少なくとも1種である、請求項1~3のいずれかに記載の発熱具。
- 前記基剤が、ゴム系粘着剤、アクリル系粘着剤、シリコーン系粘着剤、及びウレタン系粘着剤からなる群より選択される少なくとも1種である、請求項1~4のいずれかに記載の発熱具。
- 前記粘着層がさらに有効成分を含有するものである、請求項1~5のいずれかに記載の発熱具。
- 前記有効成分が保湿成分及び/または温感成分である、請求項6に記載の発熱具。
- 発熱具がさらに香料を含有するものである、請求項1~7のいずれかに記載の発熱具。
- 請求項1~8のいずれかに記載の発熱具を皮膚に貼付する工程を含有する、皮膚を温める方法。
- 皮膚を温める方法において使用される、請求項1~8のいずれかに記載の発熱具。
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CN201380034881.2A CN104394814B (zh) | 2012-06-29 | 2013-06-27 | 发热器具 |
US14/410,320 US20150320589A1 (en) | 2012-06-29 | 2013-06-27 | Heating tool |
KR20157000844A KR20150036058A (ko) | 2012-06-29 | 2013-06-27 | 발열기구 |
HK15104724.8A HK1204255A1 (en) | 2012-06-29 | 2015-05-18 | Heat generation tool |
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JP2012147849A JP2014008288A (ja) | 2012-06-29 | 2012-06-29 | 発熱具 |
JP2012-147849 | 2012-06-29 |
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US (1) | US20150320589A1 (ja) |
JP (1) | JP2014008288A (ja) |
KR (1) | KR20150036058A (ja) |
CN (2) | CN107260393A (ja) |
HK (1) | HK1204255A1 (ja) |
WO (1) | WO2014003096A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104799996A (zh) * | 2015-03-27 | 2015-07-29 | 孙松 | 一种含植物精油的芳香暖贴及其制备方法 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5877660B2 (ja) * | 2011-06-28 | 2016-03-08 | 桐灰化学株式会社 | 発熱具 |
CN105982784A (zh) * | 2015-03-06 | 2016-10-05 | 上海暖友实业有限公司 | 用于治疗干眼症的器具 |
CN106137727A (zh) * | 2015-04-16 | 2016-11-23 | 上海暖友实业有限公司 | 一种自发热足部保健贴 |
JP6715104B2 (ja) * | 2015-07-21 | 2020-07-01 | 花王株式会社 | 温熱具 |
CN105167181B (zh) * | 2015-09-06 | 2018-11-16 | 叶菁 | 非燃烧型低温卷烟用相变控温式燃料组件及其热塑性制备方法 |
WO2017042947A1 (ja) * | 2015-09-11 | 2017-03-16 | 小林製薬株式会社 | 発熱具 |
WO2017043119A1 (ja) * | 2015-09-11 | 2017-03-16 | 小林製薬株式会社 | 発熱具 |
WO2017191682A1 (ja) * | 2016-05-02 | 2017-11-09 | 小林製薬株式会社 | 発熱具 |
JP6767190B2 (ja) * | 2016-07-28 | 2020-10-14 | 花王株式会社 | 温熱具 |
CN107981967A (zh) * | 2016-10-26 | 2018-05-04 | 袁暾 | 一种载硅酸盐微粒的冷敷敷贴 |
JP7028552B2 (ja) * | 2016-11-24 | 2022-03-02 | 花王株式会社 | 温熱具 |
GB201706302D0 (en) * | 2017-04-20 | 2017-06-07 | Grant Susan | Meical device |
KR102033243B1 (ko) * | 2017-07-31 | 2019-10-17 | 이민희 | 아로마테라피 기능성 발열팩 및 그 제조방법 |
CN109554145B (zh) * | 2017-09-25 | 2020-11-13 | 臻鼎科技股份有限公司 | 耐高温可剥胶及其制备方法 |
JP7355495B2 (ja) * | 2018-12-28 | 2023-10-03 | 小林製薬株式会社 | 化学カイロ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003135509A (ja) * | 2001-08-23 | 2003-05-13 | Daiya Seiyaku Kk | 携帯型温熱パッド |
JP2007136053A (ja) * | 2005-11-22 | 2007-06-07 | Cosmo Enterprise:Kk | 膏薬温熱用具 |
JP2011020991A (ja) * | 2009-06-19 | 2011-02-03 | Kao Corp | 発熱具 |
JP2011062336A (ja) * | 2009-09-17 | 2011-03-31 | Maikooru Kk | 発熱体 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS601021B2 (ja) * | 1982-02-08 | 1985-01-11 | 東京ヘルス・ケミフア株式会社 | 温熱療法剤及びその使用方法 |
JPH0545792U (ja) * | 1991-11-25 | 1993-06-18 | 大同特殊鋼株式会社 | 管楽器用マウスピース |
WO1998000077A1 (fr) * | 1996-07-02 | 1998-01-08 | Japan Pionics Co., Ltd. | Element chauffant en forme de feuille et son procede de fabrication |
EP0850619A1 (en) * | 1996-12-23 | 1998-07-01 | The Procter & Gamble Company | Disposable absorbent article for topical adhesive attachment to the skin of a wearer |
CN1154516C (zh) * | 1996-12-23 | 2004-06-23 | 普罗克特和甘保尔公司 | 安全局部固定到皮肤上且可舒适除去的胶粘剂 |
US6369126B1 (en) * | 1997-12-22 | 2002-04-09 | The Procter & Gamble Co. | Adhesive for secure topical attachment to the skin and comfortable removal |
KR20010036685A (ko) * | 1999-10-11 | 2001-05-07 | 김윤 | 펜타닐을 함유하는 매트릭스형 경피투여제 |
JP2003210509A (ja) * | 2002-01-17 | 2003-07-29 | Lion Corp | 温熱シート |
JP4523750B2 (ja) * | 2002-01-31 | 2010-08-11 | ユニ・チャーム株式会社 | 発温積層体 |
JP2003220087A (ja) * | 2002-01-31 | 2003-08-05 | Uni Charm Corp | 発温積層体 |
JP4093348B2 (ja) * | 2002-05-20 | 2008-06-04 | マイコール株式会社 | 足温用発熱体及び足温用発熱体の製造方法 |
JP2003336042A (ja) * | 2002-05-20 | 2003-11-28 | Maikooru Kk | 吸水性ポリマー入り発熱組成物及び発熱体 |
JP2004065949A (ja) * | 2002-06-13 | 2004-03-04 | Lion Corp | 発熱性粒子及び発熱性組成物、該組成物を使用した発熱性シート |
JP2004208978A (ja) * | 2002-12-27 | 2004-07-29 | Mycoal Products Corp | 発熱組成物及び発熱体 |
DE102004003224A1 (de) * | 2003-02-07 | 2004-08-26 | Lts Lohmann Therapie-Systeme Ag | Für die Wärmeanwendung zur Beschleunigung der Permeation von Wirkstoffen geeignetes transdermales System und seine Verwendung |
JP2005097447A (ja) * | 2003-09-25 | 2005-04-14 | Mikasa Seiyaku Co Ltd | 粘着剤及びそれを用いた貼付用温熱材 |
US8945072B2 (en) * | 2008-12-10 | 2015-02-03 | Kao Corporation | Heat generating device |
US20120071808A1 (en) * | 2009-05-29 | 2012-03-22 | Eisaku Sato | Patch material |
-
2012
- 2012-06-29 JP JP2012147849A patent/JP2014008288A/ja active Pending
-
2013
- 2013-06-27 US US14/410,320 patent/US20150320589A1/en not_active Abandoned
- 2013-06-27 WO PCT/JP2013/067608 patent/WO2014003096A1/ja active Application Filing
- 2013-06-27 KR KR20157000844A patent/KR20150036058A/ko not_active Application Discontinuation
- 2013-06-27 CN CN201710434509.0A patent/CN107260393A/zh active Pending
- 2013-06-27 CN CN201380034881.2A patent/CN104394814B/zh not_active Expired - Fee Related
-
2015
- 2015-05-18 HK HK15104724.8A patent/HK1204255A1/xx not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003135509A (ja) * | 2001-08-23 | 2003-05-13 | Daiya Seiyaku Kk | 携帯型温熱パッド |
JP2007136053A (ja) * | 2005-11-22 | 2007-06-07 | Cosmo Enterprise:Kk | 膏薬温熱用具 |
JP2011020991A (ja) * | 2009-06-19 | 2011-02-03 | Kao Corp | 発熱具 |
JP2011062336A (ja) * | 2009-09-17 | 2011-03-31 | Maikooru Kk | 発熱体 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104799996A (zh) * | 2015-03-27 | 2015-07-29 | 孙松 | 一种含植物精油的芳香暖贴及其制备方法 |
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KR20150036058A (ko) | 2015-04-07 |
CN104394814A (zh) | 2015-03-04 |
US20150320589A1 (en) | 2015-11-12 |
JP2014008288A (ja) | 2014-01-20 |
CN107260393A (zh) | 2017-10-20 |
CN104394814B (zh) | 2017-08-04 |
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