WO2019021928A1 - 温熱具 - Google Patents

温熱具 Download PDF

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Publication number
WO2019021928A1
WO2019021928A1 PCT/JP2018/027074 JP2018027074W WO2019021928A1 WO 2019021928 A1 WO2019021928 A1 WO 2019021928A1 JP 2018027074 W JP2018027074 W JP 2018027074W WO 2019021928 A1 WO2019021928 A1 WO 2019021928A1
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WIPO (PCT)
Prior art keywords
mass
component
sheet
heating
heat generating
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PCT/JP2018/027074
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English (en)
French (fr)
Japanese (ja)
Inventor
岡本　拓也
美奈子 中島
義博 長谷川
Original Assignee
花王株式会社
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Application filed by 花王株式会社 filed Critical 花王株式会社
Priority to CN201880048152.5A priority Critical patent/CN110944605B/zh
Publication of WO2019021928A1 publication Critical patent/WO2019021928A1/ja

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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

Definitions

  • the present invention relates to a heating tool.
  • a heating tool that generates heat due to an oxidation reaction of an oxidizable metal that exhibits a fragrance at the time of use by applying a fragrance.
  • the heating tool that generates heat due to the oxidation reaction of such an oxidizable metal often contains activated carbon, which causes problems such as insufficient aroma and deterioration of the aroma.
  • Various devices have been implemented.
  • Patent Document 1 from the viewpoint of improving the odor during use of the heating tool and preventing the deterioration of the aroma during storage, chain monoterpene alcohols, sesquiterpene alcohols, monoterpene alcohols or fats
  • a heating implement which is perfumed with a perfume composition comprising acetic acid esters of cyclic alcohols, methyl dihydrojasmonate, ionone, or damascone.
  • Patent Document 2 is a heating tool in which a predetermined amount of a cooling agent and a sesquiterpene hydrocarbon are held, respectively, from the viewpoint of achieving a good flavor at the time of use and further achieving a good balance of coolness and aroma intensity. It is disclosed.
  • Patent Document 3 uses a bag body of a specific basis weight and contains a specific amount of damasenone. Is disclosed.
  • the present invention A heat generating portion comprising an oxidizable metal, a water absorbing agent and water; A bag body which is at least partially breathable and accommodates the heat generating portion; A heating tool having The heating tool is (A) A compound having one or two or more selected from sesquiterpene hydrocarbons and derivatives thereof and having no bicyclo [7.2.0] undecane skeleton (B) a terpene skeleton and having 10 carbon atoms Perfumed with a perfume composition containing an oxygen-containing compound of ⁇ 12, The content of the component (A) is 0.1 to 0.8 parts by mass with respect to 100 parts by mass of the oxidizable metal, and the mass ratio of the component (A) to the component (B) ((A ) / (B)) is 0.1 or more and 4 or less.
  • Patent Documents 1 to 3 there were cases where it was not possible to sufficiently cope with the increase in the variation of the aroma or in the development of the heating tool exhibiting a highly savory or deep aroma.
  • the inventors of the present invention conducted intensive studies on the development of a new heating tool exhibiting a different aroma from the heating tools disclosed in Patent Documents 1 to 3.
  • a specific aroma component is scented in a heating implement, there is a new problem that the temperature rise immediately after the start of use may be insufficient after the production of the heating implement until it is actually used. I found it.
  • the present inventors have further studied from the viewpoint of solving such problems, and as described above, find a group of scents that affect temperature rise immediately after the start of use, and combine this with a group of specific scents We found that it is effective. That is, by devising a new odor combination such as using two types of aroma components divided into specific groups and controlling the content ratio, good heat generation characteristics of the heating implement can be stably maintained, And it discovered that a favorable aroma was obtained and completed this invention.
  • the air permeability is a value measured according to JIS P8117, and is defined as a time in which 100 ml of air passes an area of 6.45 cm 2 under a constant pressure.
  • the air permeability can be measured with an Oken type air permeability meter or a measuring instrument according thereto.
  • FIG. 1 is a schematic cross-sectional view showing an example of the heating implement of the present invention.
  • the heating implement 1 has a heat generating portion 10 including an oxidizable metal, a water absorbing agent, and water, and a bag 30 containing the heat generating portion 10.
  • the heating implement 1 is fragrant with a perfume composition.
  • the heating tool 1 generates heat by the oxidation reaction of the oxidizable metal to impart a sufficient thermal effect, and can have a performance at a heating temperature of 38 to 74 ° C. in the measurement according to JIS standard S4100.
  • the heating implement 1 may be a steam heating implement accompanied by the generation of water vapor, or may be a so-called disposable body which generates heat substantially without the generation of water vapor. Since the heating implement 1 is fragrant with the perfume composition, it is fragrant with the perfume composition with heat generation when used.
  • FIG. 2 is a cross-sectional view schematically showing the heat generating portion 10 according to the embodiment.
  • the heat generating portion 10 is formed by laminating the base material layer 13, the heat generating layer 11 and the water retaining layer 12 in this order. That is, in the present embodiment, the heat generating portion 10 has a so-called sandwich structure in which the heat generating layer 11 is sandwiched between the base material layer 13 and the water retaining layer 12.
  • each layer of the heat generating portion 10 will be described in detail with reference to FIG.
  • the heat generating layer 11 contains an oxidizable metal (21 in FIG. 2), a water absorbing agent (22 in FIG. 2), and water.
  • the heat generating layer 11 is provided with a heat generating composition containing at least an oxidizable metal, a water absorbing agent and water.
  • the oxidizable metal is a metal that emits the heat of oxidation reaction, and examples thereof include one or more powders and fibers selected from iron, aluminum, zinc, manganese, magnesium, and calcium. Among them, iron powder is preferable in terms of handleability, safety, manufacturing cost, storage ability and stability. As iron powder, 1 type (s) or 2 or more types selected from reduced iron powder and atomized iron powder are mentioned, for example.
  • the average particle diameter is preferably 10 to 200 ⁇ m, and more preferably 20 to 150 ⁇ m, from the viewpoint of efficient oxidation reaction.
  • the particle size of the oxidizable metal means the maximum length in the form of powder, and is measured by classification by sieve, dynamic light scattering method, laser diffraction method or the like. From the same viewpoint, the average particle diameter of the oxidizable metal is preferably 10 ⁇ m or more, and more preferably 20 ⁇ m or more.
  • the average particle diameter is preferably 200 ⁇ m or less, more preferably 150 ⁇ m or less.
  • the content of the oxidizable metal is preferably 100 to 3000 g / m 2 , and more preferably 200 to 1500 g / m 2 in terms of basis weight.
  • the heat generation temperature of the heat generating portion 10 can be raised to a desired temperature.
  • the content of the oxidizable metal is preferably 100 g / m 2 or more, and more preferably 200 g / m 2 or more, in terms of basis weight. Further, it is preferably 3,000 g / m 2 or less, and more preferably 1,500 g / m 2 or less.
  • content of the iron powder in the heat-emitting part 10 can be calculated
  • an external magnetic field when applied, it can be quantified by a vibrating sample type magnetization measurement test or the like by utilizing the property of generating magnetization.
  • the water absorbing agent has a water holding ability and contains at least a carbon component.
  • a carbon component for example, one or more selected from fiber materials, water-absorbing polymers, and water-absorbing powders may be mentioned.
  • the carbon component one having water holding ability, oxygen supplying ability, and catalytic ability can be used, for example, one or two or more kinds selected from activated carbon, acetylene black and graphite can be used.
  • Activated carbon is preferably used from the viewpoint of easy adsorption and the ability to keep the moisture of the heat generating layer 11 constant. More preferably, one or more fine powders or small particles selected from coconut husk charcoal, wood flour charcoal and peat charcoal are used. Among them, wood flour charcoal is more preferable from the viewpoint of keeping the moisture of the heat generating layer 11 constant and providing good heat generation characteristics.
  • the carbon component has an average particle diameter of 10 to 200 ⁇ m not only from the viewpoint of being uniformly mixed with the oxidizable metal but also from the viewpoint of maintaining the moisture content in the heat generating layer 11 optimally and giving good heat generation characteristics.
  • the average particle diameter is more preferably 12 to 100 ⁇ m.
  • the carbon component preferably has an average particle diameter of 10 ⁇ m or more, and more preferably 12 ⁇ m or more.
  • an average particle diameter is 200 micrometers or less, and, as for a carbon component, it is more preferable that it is 100 micrometers or less.
  • the average particle size of the carbon component is the maximum length in the form of powder, and is measured by a dynamic light scattering method, a laser diffraction method or the like.
  • the carbon component is preferably in the form of powder, but it may be in the form other than powder, for example, in the form of fiber.
  • a fiber material it is more preferable to use a hydrophilic fiber, in particular, a cellulose fiber.
  • a hydrophilic fiber in particular, a cellulose fiber.
  • a chemical fiber (synthetic fiber) or a natural fiber can be used.
  • water-absorbing polymer examples include hydrophilic polymers having a crosslinked structure capable of absorbing and holding a liquid 20 times or more its own weight.
  • the water-absorbing powder includes one or more selected from vermiculite, sawdust, silica gel, and pulp powder.
  • the content of the water absorbing agent is preferably 0.3 to 20 parts by mass, more preferably 1 to 15 parts by mass, and 3 to 13 parts by mass with respect to 100 parts by mass of the oxidizable metal. Is more preferred.
  • water necessary for sustaining the oxidation reaction can be accumulated in the exothermic part 10 obtained.
  • oxygen supply to the heat generating portion 10 can be sufficiently obtained, and high heat generation efficiency can be obtained.
  • the heat capacity of the heat generating portion 10 with respect to the amount of heat to be obtained can be suppressed to a small value, the temperature rise of heat generation becomes large, and a desired temperature rise can be obtained.
  • the content of the water absorbing agent is preferably 4 to 290 g / m 2 , and more preferably 7 to 160 g / m 2 in terms of basis weight.
  • the content of the water absorbing agent is preferably 0.3 parts by mass or more, more preferably 1 part by mass or more, and 3 parts by mass or more with respect to 100 parts by mass of the oxidizable metal. Is more preferred.
  • the content of the water absorbing agent is preferably 20 parts by mass or less, more preferably 15 parts by mass or less, and further preferably 13 parts by mass or less with respect to 100 parts by mass of the oxidizable metal. preferable.
  • the content of the water absorbing agent is preferably 4 g / m 2 or more, more preferably 7 g / m 2 or more, and preferably 290 g / m 2 or less in terms of basis weight. And 160 g / m 2 or less.
  • the content of the carbon component in the water absorbing agent is preferably 90% by mass or more, and more preferably 95% by mass or more, based on the total mass of the water absorbing agent, from the viewpoint of controlling the moisture in the heat generating layer 11. More preferably, it is 98 mass% or more, and it is still more preferable that a water absorbing agent is only a carbon component. Furthermore, in the water absorbing agent, the content of the water absorbing polymer is preferably 10% by mass or less, more preferably 5% by mass or less, and still more preferably 2% by mass or less based on the whole of the water absorbing agent .
  • the heat generating layer 11 Since the heat capacity of the heat generating layer 11 with respect to the heat value to be obtained can be suppressed small, it is more preferable that the heat generating layer 11 does not contain a water absorbing polymer from the viewpoint that the heat temperature rise is large and a desired temperature rise is obtained. .
  • the mass ratio of the content of water to the content of the water absorbing agent is preferably 0.8 to 13, more preferably 1 to 12, and 1.5 It is more preferable that it is ⁇ 10.
  • the water retention layer 12 is formed of a water absorbing sheet 102.
  • the content of water contained in the water retention layer 12 is preferably 10 to 45 mass% of the maximum water absorption of the water retention layer 12, more preferably 12 to 40 mass%, and 13 to 30 mass%. Even when the heat generating composition is filled in a large amount in one heat generating portion 10 for some reason or unevenly distributed in a specific place at a large amount at the time of manufacturing the heat generating portion 10, abnormal heat generation is prevented and good. It is further preferable in that the heat generation characteristics can be stably obtained.
  • the maximum water absorption can be measured as follows.
  • the water retention layer 12 is preferably capable of absorbing and holding 10 to 45% by mass of water of the maximum water absorption amount, regardless of the presence or absence of air permeability, but it is more preferable to have air permeability.
  • the air permeability of the water-retaining layer 12 in the state of absorbing 10 to 45% by mass of the maximum water absorption is preferably 500 seconds / 100 ml or less, more preferably 1 to 300 seconds / 100 ml. With such an air permeability, air permeability of the heat generating portion 10 is sufficiently ensured, so that oxygen supply is sufficiently obtained, high heat generation efficiency is obtained, and oxidation reaction of the oxidizable metal becomes good. Also, it may be possible to generate a large amount of water vapor. Further, it is more preferably 300 seconds / 100 ml or less, and from the viewpoint of preventing an excessive temperature rise, it is more preferably 1 second / 100 ml or more.
  • the water retention layer 12 is a water absorbent sheet 102 including the component (a) fiber material and the component (b) water absorbing polymer.
  • the water retention layer 12 may be composed of a sheet containing the component (a), for example, a single fiber sheet, or two or more layers may be laminated.
  • Specific examples of the fiber sheet include paper made of a fiber material to be described later, nonwoven fabric, and a laminate of paper and nonwoven fabric.
  • the sheet containing the component (a) may be a sheet material such as paper or non-woven fabric in which a fiber material is laminated or laminated on a material having no water absorbency such as polyethylene fiber, polypropylene fiber, polyethylene sheet, polypropylene sheet, It may be a sheet material such as paper making, non-woven fabric, etc. in which another fiber material is further laminated or mixed with fiber material such as pulp fiber or rayon fiber.
  • a sheet containing the component (a) for the water retention layer 12 can appropriately control the water content contained in the water retention layer 12, optimally maintain the water content in the heat generation layer 11, and give good heat generation characteristics. It is preferable in point.
  • the water retention layer 12 may further contain the component (b).
  • the form of the water retaining layer 12 can be exemplified as follows.
  • (I) A single sheet in which the component (a) and the component (b) are uniformly mixed.
  • Component (b) is disposed between the same or different sheets containing component (a).
  • (Iii) The component (b) is dispersed to form a sheet.
  • preferred from the viewpoint of easily controlling the moisture content of the heat generating layer 11 is the form (ii).
  • the component (b) is spread uniformly on the sheet containing the component (a) and the water retention layer 12 of the form of (ii) above is sprayed with an amount of 200 g / m 2 of water over it, for example Furthermore, the same or different sheets containing the component (a) are laminated thereon, and pressed at 100 ⁇ 0.5 ° C., a pressure of 5 kg / cm 2 , and dried until the water content becomes 5% by mass or less It is possible to manufacture.
  • any of hydrophilic fibers and hydrophobic fibers can be used, but it is preferable to use hydrophilic fibers.
  • using cellulose fibers promotes the water transfer to the water retention layer 12, It is more preferable from the viewpoint of keeping the moisture content in the heat generating layer 11 optimum and giving good heat generating characteristics.
  • a cellulose fiber a chemical fiber (synthetic fiber) or a natural fiber can be used.
  • cellulose fibers for example, rayon and acetate can be used as chemical fibers.
  • natural fibers among cellulose fibers include, for example, various plant fibers, wood pulp fibers, non-wood pulp fibers, cotton fibers, hemp fibers, wheat straw fibers, hemp fibers, jute fibers, kapok fibers, coconut fibers, and rags
  • wood pulp fibers it is preferable to use wood pulp fibers from the viewpoint of optimally maintaining the moisture content in the heat generating layer 11 and providing good heat generation characteristics.
  • the fiber length of various fiber materials is preferably 0.5 to 6 mm, and more preferably 0.8 to 4 mm.
  • the fiber length of the fiber material is preferably 0.5 mm or more, and more preferably 0.8 mm or more.
  • the fiber length of the fiber material is preferably 6 mm or less, more preferably 4 mm or less.
  • the water-retaining layer 12 may optionally contain hydrophobic fibers, particularly heat-fusible fibers.
  • the content of the heat-fusible fiber is preferably 0.1 to 10% by mass, more preferably 0.5 to 5% by mass, with respect to the total amount of fibers in the water retention layer 12. From the same viewpoint, the content of the heat-fusible fiber is preferably 0.1% by mass or more with respect to the total amount of fibers in the water retention layer 12, and more preferably 0.5% by mass or more. In addition, the content of the heat-fusible fiber is preferably 10% by mass or less, more preferably 5% by mass or less, based on the total amount of fibers in the water-retaining layer 12.
  • the content of water contained in the water retention layer 12 by using, as the component (b), a hydrophilic polymer having a crosslinked structure capable of absorbing and holding a liquid of 20 times or more of its own weight as the above-mentioned component (a) Is preferable in view of appropriate control and good heat generation characteristics.
  • a shape of a component (b) 1 type (s) or 2 or more types selected from spherical shape, lump shape, grape-tuft shape, and fibrous form are mentioned.
  • the average particle diameter of the component (b) is preferably 1 to 1000 ⁇ m, and more preferably 10 to 500 ⁇ m.
  • the average particle diameter of the component (b) is preferably 1 ⁇ m or more, and more preferably 10 ⁇ m or more.
  • the average particle diameter of the component (b) is preferably 1000 ⁇ m or less, more preferably 500 ⁇ m or less.
  • the average particle diameter of the component (b) is measured by a dynamic light scattering method, a laser diffraction method or
  • component (b) examples include, for example, starch, crosslinked carboxymethylated cellulose, a polymer or copolymer of acrylic acid or an alkali metal salt of acrylic acid, polyacrylic acid and a salt thereof, and polyacrylate graft weight 1 type, or 2 or more types selected from union are mentioned.
  • polyacrylic acid and salts thereof and polyacrylate graft polymers such as polymers or copolymers of acrylic acid or acrylic acid alkali metal salts, are suitable for the water content contained in the water retention layer 12 It is preferable from the viewpoint of giving good heat control characteristics.
  • the proportion of the component (b) in the water retentive layer 12 is preferably 10 to 70% by mass in the dry state, and further 20 to 65% by mass promotes rapid water transfer to the water retentive layer 12 It is more preferable from the viewpoint of appropriately controlling the content of water contained in the water retention layer 12 and providing good heat generation characteristics. From the same viewpoint, the proportion of the component (b) in the water-retaining layer 12 is preferably 10% by mass or more, more preferably 20% by mass or more, and 70% by mass or less in the dry state. It is preferable that it is 65 mass% or less.
  • the water retention layer 12 preferably has a basis weight of 20 to 200 g / m 2 in a dry state, from the viewpoint of appropriately controlling the content of water contained in the water retention layer 12 and providing good heat generation characteristics, It is more preferably ⁇ 150 g / m 2 and even more preferably 50-140 g / m 2 .
  • the basis weight of the component (b) contained in the water retention layer 12 is 5 to 150 g / m 2 in a dry state from the viewpoint of appropriately controlling the content of water contained in the water retention layer 12 and giving good heat generation characteristics. Is preferably 10 to 100 g / m 2 and more preferably 30 to 90 g / m 2 .
  • the base material layer 13 is formed from a base material sheet 130.
  • the base layer 13 is used as a base for supporting the heat generating portion 10 when the heat generating portion 10 is formed.
  • the base material layer 13 can be appropriately set according to the application of the heating tool 1 to be manufactured, and examples thereof include a sheet containing a fiber material and a sheet composed of a material having poor water absorption.
  • Specific examples of the fiber sheet include paper made of a fiber material to be described later, nonwoven fabric, and a laminate of paper and nonwoven fabric.
  • the fiber material may be a material having poor water absorbency such as polyethylene fiber and polypropylene fiber, or may be a water absorbable material such as pulp fiber and rayon fiber.
  • a sheet composed of a material having poor water absorbability for example, a synthetic resin film such as a polyethylene film, a polyethylene terephthalate film, and a Teflon (registered trademark) film, or a sheet containing the above-mentioned fiber material Sheets laminated or laminated.
  • a sheet made of a material having poor water absorbability is preferable, and a sheet obtained by laminating or laminating a synthetic resin film on a sheet containing a fiber material is more preferable.
  • the structure of the heat-emitting part 10 is not restricted to this.
  • the heat generating layer 11 may be formed on both sides of the water holding layer 12.
  • the water retention layer 12 may be formed of a first water absorption sheet and a second water absorption sheet.
  • the heat generating portion 10 can have a so-called sandwich structure in which the heat generating layer 11 is sandwiched between the first water absorption sheet and the second water absorption sheet.
  • the first water absorbent sheet and the second water absorbent sheet may be made of the same material or may be made of different materials.
  • the first water absorption sheet and the second water absorption sheet each have an air permeability of 500 seconds / 100 ml or less preferable.
  • the lower limit value is, for example, 1 second / 100 ml.
  • the heat generating portion 10 can further contain a reaction accelerator.
  • the reaction accelerator is used for the purpose of sustaining the oxidation reaction of the oxidizable metal.
  • the oxide film formed on the oxidizable metal accompanying the oxidation reaction can be destroyed to promote the oxidation reaction.
  • the reaction accelerator includes, for example, one or more selected from alkali metals, sulfates of alkaline earth metals, and chlorides. Among them, various chlorides such as sodium chloride, potassium chloride, calcium chloride, magnesium chloride, ferric chloride, ferric chloride and sodium sulfate are selected from the viewpoint of excellent conductivity, chemical stability and production cost. It is preferable to use one or more kinds.
  • the content of the reaction accelerator in the heat generating portion 10 is preferably 2 to 15 parts by mass, preferably 3 to 13 parts by mass, with respect to 100 parts by mass of the oxidizable metal, from the viewpoint that a sufficient calorific value lasts for a long time. It is more preferable that From the same viewpoint, the content of the reaction accelerator in the heat generating portion 10 is preferably 2 parts by mass or more, and more preferably 3 parts by mass or more with respect to 100 parts by mass of the oxidizable metal. In addition, the content of the reaction accelerator in the heat generating portion 10 is preferably 15 parts by mass or less, and more preferably 13 parts by mass or less with respect to 100 parts by mass of the oxidizable metal.
  • the heat generating portion 10 can further contain a thickener.
  • a thickener a substance which absorbs water to increase the consistency or which imparts thixotropy can be mainly used.
  • thickeners include alginates such as sodium alginate, gum arabic, gum tragacanth, locust bean gum, guar gum, gum arabic, carrageenan, carrageenan, agar, polysaccharide thickeners such as xanthan gum, etc .; dextrin, pregelatinized starch, processed Starch based thickeners such as starches; cellulose derivative based thickeners such as carboxymethyl cellulose, ethyl acetate cellulose, hydroxyethyl cellulose, hydroxymethyl cellulose or hydroxypropyl cellulose; metal soap based thickeners such as stearates; minerals such as bentonite A mixture of one or more selected from thickeners and the like can be used.
  • polysaccharide thickeners are preferable from the viewpoint of good coating performance, polysaccharide thickeners having a molecular weight of 1,000,000 or more and 50,000,000 or less are more preferable, and polysaccharide thickeners having a molecular weight of 2,000,000 or more and 40,000,000 or less An agent is more preferable, and in addition, xanthan gum is preferable from the viewpoint of having good coating performance and salt resistance.
  • the content of the thickener in the heat generating portion 10 is preferably 0.05 to 5 parts by mass, and more preferably 0.1 to 4 parts by mass with respect to 100 parts by mass of the oxidizable metal. .
  • solid content such as an oxidizable metal and a water absorbing agent, can be dispersed stably.
  • thixotropy can be provided to further improve the coating performance.
  • the heat generating portion 10 can also contain a surfactant, a drug, an aggregating agent, a coloring agent, a fibrous material, a paper strength agent, a pH control agent, a bulking agent, and the like, as necessary.
  • FIG. 3 is a diagram specifically illustrating an example of a method of manufacturing the heat generating unit 10.
  • a heat generating powder water dispersion 302 containing an oxidizable metal, a water absorbing agent, and water is prepared in a coating tank 301.
  • the heat-generating powder water dispersion 302 may be stirred by a stirrer 303 to more uniformly disperse the oxidizable metal, the water absorbing agent, and the component insoluble in water.
  • the heat-generating powder water dispersion 302 may be prepared by mixing all the above-mentioned components all at once, but in advance, the reaction accelerator is dissolved in a solution of a thickener in water to prepare an aqueous solution. Then, a mixture of an oxidizable metal and a water absorbing agent in advance may be mixed with an aqueous solution.
  • the exothermic powder water dispersion 302 is pumped up to the die head 305 by the pump 304.
  • the heated powder water dispersion 302 is applied to the water absorbing sheet 102 while being pressed and extruded using a die head 305.
  • the coating basis weight of the heat-generating powder water dispersion 302 is preferably 160 to 4,800 g / m 2, and more preferably 320 to 2,200 g / m 2 .
  • coating by die coating was illustrated in FIG. 3, the coating method is not limited to this, For example, roll coating, screen printing, roll gravure, knife coating, a curtain coater, etc. can also be used. .
  • the bag 30 is preferably at least partially breathable, but at least partially breathable.
  • the basis weight of the bag body 30 is 20 g / m 2 or more from the viewpoints of heat retention, prevention of dew condensation during storage, ability to maintain the required odor intensity for a long time, and prevention of internal visibility. Is more preferably 25 g / m 2 or more, and still more preferably 30 g / m 2 or more. Further, the basis weight of the bag body 30 is preferably 90 g / m 2 or less from the viewpoint of achieving thinning and reducing the weight of the heating tool 1 and improving lightness at the time of use and obtaining a good aroma stably.
  • a sheet for example, a non-woven fabric, a knitted fabric, a breathable sheet (eg, a porous sheet, a plastic film having a vent), a laminated sheet obtained by laminating a non-woven fabric and a breathable sheet, or a knitted fabric and a breathable sheet It is possible to use a laminated sheet obtained by laminating an elastic sheet.
  • the example which comprises the bag body 30 is shown by sealing the peripheral part of the 1st bag body sheet 30a and the 2nd bag body sheet 30b.
  • the first bag sheet 30a and the second bag sheet 30b may be the same or different. Either one of the first bag sheet 30a and the second bag sheet 30b may be made breathable, or both may be made breathable. If both are breathable, one may be less breathable than the other.
  • the basis weight of the first bag sheet 30a and the second bag sheet 30b is the second side far from the application site such as the skin from the viewpoint of sufficiently exhibiting the effects of the present invention and the warmth / feeling of use during heat retention / use. It is preferable that the second bag sheet 30b be the same as or smaller than the first bag sheet 30a closer to the application site.
  • the air permeability of the first bag sheet 30a and the second bag sheet 30b is the second bag sheet 30b on the side far from the skin, from the viewpoint of sufficiently exhibiting the effects of the present invention and from the viewpoint of exhibiting good heat generation characteristics. It is preferable that it is the same as or lower than the first bag sheet 30a closer to the skin. Thereby, it is possible to further suppress the influence of the water absorbing agent in the heat generating portion 10, particularly the carbon component on the spice composition. That is, the air permeability of the second bag sheet 30b is preferably twice or more, more preferably 5 times or more, and still more preferably 10 times or more than the air permeability of the first bag sheet 30a. .
  • the second bag sheet 30b may be more impervious or non-breathable than the first bag sheet 30a.
  • the first bag sheet 30a may be breathable so as to be permeable to air and water vapor.
  • the air permeability of the first bag sheet 30a is preferably 6,000 seconds / 100 ml or less regardless of whether the second bag sheet 30b is non-air-permeable or non-air-permeable, It is preferable that it is 000 seconds / 100 ml or less.
  • Component (A) is one or more selected from sesquiterpene hydrocarbons and derivatives thereof, and is a compound having no bicyclo [7.2.0] undecane skeleton.
  • the component (A) is identified by the present inventors for the first time as a group of scents that affect the temperature rise immediately after the start of use of the heating implement 1.
  • the sesquiterpene is a compound having 15 carbon atoms composed of three isoprenes.
  • sesquiterpene hydrocarbons and derivatives thereof in addition to sesquiterpene hydrocarbons, sesquiterpene alcohols, sesquiterpene ethers, sesquiterpene esters, sesquiterpene methyl ketones and the like can be mentioned.
  • sesquiterpene hydrocarbons examples include isolongifolene, farnesene, longifolene, visabolene, santalene, santalene, zingiberene, curcumene, casinene, sesquibenihen, cedrene, farnesene and the like.
  • sesquiterpene alcohol examples include chained sesquiterpene alcohols such as farnesol and nerolidol: cyclic sesquiterpene alcohols such as santarol, cedrol, vetiverol (mixture) and patchouli alcohol.
  • sesquiterpene ethers such as cedryl methyl ether
  • sesquiterpene esters such as betibelyl acetate, farnesyl acetate, cedryl acetate
  • sesquiterpene methyl ketones such as acetyl Cedrene
  • sesquiterpene hydrocarbon sesquiterpene alcohol, sesquiterpene ether, sesquiterpene ester, and sesquiterpene methyl ketone are combined. Is preferred, and it is more preferred to combine the sesquiterpene hydrocarbon and the sesquiterpene methyl ketone.
  • acetyl cedrene, isolongifolene and farnesene are more preferable from the viewpoint of obtaining a good forest tone aroma.
  • the component (B) is an oxygen-containing compound having a terpene skeleton and having 10 to 12 carbon atoms, and is an effective component for solving the problems caused by the component (A) being contained in the heating implement 1 It is. That is, the component (B) is specified by the present inventors for the first time as a group of scents that can solve the problem by combining with the component (A).
  • monoterpene alcohols such as linalool, ethyl linalool, dihydrolinalool, nerol, myrsetol, lavandurol, citronellol, geraniol, menthol, terpineol, borneol etc .
  • monoterpene aldehydes such as citronellal, citral, safranal, ferandalal, perylaldehyde etc.
  • Terpene alcohol acetates such as linalyl acetate and geranyl acetate
  • Monoterpene ketones such as camphor, menthone and carbomentone
  • Monoterpenes such as rose oxide, linalool oxide, menthfuran 1,8-cineole and 1,4-cineole Ethers
  • terpene carboxylic acids such as citronellic acid.
  • monoterpene alcohols are preferable from the viewpoint of obtaining stable and good heat generation characteristics when the heating tool 1 is used, and at least one or two selected from linalool, ethyl linalool, and citronellol. The above is more preferable.
  • terpenes are polymers of isoprene and are classified into monoterpenes, sesquiterpenes, diterpenes and the like according to the number of isoprene units. That is, the component (A) is a sesquiterpene which is a compound having 15 carbon atoms composed of three isoprenes, excluding compounds having a bicyclo [7.2.0] undecane skeleton. Further, as a compound having a bicyclo [7.2.0] undecane skeleton, there is karyophyllene and the like.
  • Component (B) is a compound having a structure having isoprene as a constituent unit, having 10 to 12 carbon atoms, and having at least one oxygen atom.
  • Component (A) and component (B) are commonly available perfume compositions. Component (A) and component (B) may also be used in the form of an essential oil containing component (A) or component (B).
  • an essential oil containing the above-mentioned ingredient (A) or ingredient (B) lavender oil, petit glen oil, neroli oil, clary sage oil, rosewood oil, patchouli oil, vetiver oil, cedar wood oil, sandalwood oil are mentioned, for example.
  • Various essential oils such as eucalyptus oil, bergamot oil, peppermint oil, rose oil, peppermint oil, spearmint oil and the like can be exemplified. These may be used alone or in combination of two or more.
  • the content of the component (A) with respect to 100 parts by mass of the oxidizable metal is 0.1 parts by mass or more and 0.8 parts by mass or less.
  • the content of the component (A) with respect to 100 parts by mass of the oxidizable metal is preferably 0.20 parts by mass or more, and more preferably, from the viewpoint of obtaining a good aroma and heat generation in balance when using the heating tool 1 Is 0.28 parts by mass or more.
  • the content of the component (A) with respect to 100 parts by mass of the oxidizable metal is preferably 0.65 parts by mass or less, more preferably from the viewpoint of suppressing a decrease in heat generation temperature during use of the heating tool 1 Is 0.50 parts by mass or less.
  • the content of the component (A) with respect to 100 parts by mass of the oxidizable metal is preferably 0.20 parts by mass or more and 0.65 from the viewpoint of achieving a good balance of good aroma and heat generation when using the heating tool 1 It is the mass part or less, more preferably 0.28 mass part or more and 0.50 mass part or less.
  • the mass ratio ((A) / (B)) of the component (A) to the component (B) is 0.1 or more and 4 or less.
  • (A) / (B) is preferably 0.25 or more, more preferably 0.45 or more, from the viewpoint of obtaining a good aroma and heat generation in a well-balanced manner when using the heating implement 1.
  • (A) / (B) is preferably 1.5 or less, more preferably 0.8 or less, from the viewpoint of suppressing a decrease in the heat generation temperature during use of the heating tool 1.
  • (A) / (B) is preferably 0.25 or more and 1.5 or less, more preferably 0. or more, from the viewpoint of obtaining a good aroma and heat generation when using the heating tool 1 in a well-balanced manner. 45 or more and 0.8 or less.
  • the content of the component (A) with respect to 100 parts by mass of the carbon component is preferably 1.2 parts by mass or more, more preferably, from the viewpoint of obtaining a good aroma and heat generation at the time of using the heating tool 1 in a well-balanced manner. It is 2.4 parts by mass or more, more preferably 3.3 parts by mass or more.
  • the content of the component (A) with respect to 100 parts by mass of the carbon component is preferably 10 parts by mass or less, more preferably 8 parts by mass from the viewpoint of suppressing a decrease in heat generation temperature during use of the heating tool 1 Or less, more preferably 6.5 parts by mass or less.
  • the content of the component (A) with respect to 100 parts by mass of the carbon component is preferably 1.2 parts by mass or more and 10 parts by mass or less from the viewpoint of obtaining good aroma and heat generation in balance when using the heating tool 1 More preferably, they are 2.4 mass parts or more and 8 mass parts or less, More preferably, they are 3.3 mass parts or more and 6.5 mass parts or less.
  • the total mass part of the content of the component (A) and the component (B) with respect to 100 parts by mass of the oxidizable metal is preferably 0. 70 parts by mass or more and 1.7 parts by mass or less, more preferably 0.80 parts by mass or more and 1.5 parts by mass or less.
  • the total mass part of the content of the component (A) and the component (B) with respect to 100 parts by mass of the carbon component is preferably 8.0 mass from the viewpoint of achieving a good balance of good aroma and heat generation at the time of using the heating implement 1
  • the content is not less than 20 parts by mass and more preferably not less than 10 parts by mass and 18 parts by mass.
  • the flavor and fragrance composition may exhibit any flavor as long as it contains the component (A) and the component (B), but it has a good aroma such as forest tone when the heating implement 1 is used. It is preferable to contain a relatively large amount of the component (A) in the fragrance composition from the viewpoint of effectively expressing it.
  • a relatively large amount of the component (A) is contained in the flavor and fragrance composition
  • woody tones such as the smell of a forest and the smell of a hinoki are mentioned.
  • the fragrant composition in which the woody tone such as the scent of the forest and the scent of hinoki is mentioned contains a relatively large amount of the component (A).
  • the content of the component (A) with respect to the entire fragrance composition is preferably 5 to 60% by mass from the viewpoint of stably obtaining good heat generation characteristics while effectively expressing good aroma such as forest tone. More preferably, it is 7 to 50% by mass, and more preferably 10 to 40% by mass.
  • the content of the component (B) with respect to the entire fragrance composition is preferably 5 to 60% by mass, from the viewpoint of stably obtaining good heat generation characteristics while effectively expressing good aroma such as forest tone. -50% by mass is more preferable.
  • the contents of the component (A) and the component (B) in the heating tool 1 were determined by gas chromatography mass spectrometry (GC-MS) of the content at the time of flavoring and the extract extracted by the solvent extraction method. Since the consistency with the value is high, it is determined by quantifying the extract analyzed by the solvent extraction method by GC-MS. Specifically, the heating implement 1 and a solvent in which the entire heating implement 1 is immersed are placed in a sealed container and left at room temperature for 9 hours. Thereafter, the solvent in the sealed container is quantified by GC-MS.
  • GC-MS gas chromatography mass spectrometry
  • the solvent may be any one as long as the components (A) and (B) can be easily eluted from the heating element, and examples thereof include ethanol, acetone and dichloromethane, with dichloromethane being preferred.
  • a GC-MS column for example, capillary column DB-WAX (manufactured by J & W, 60 m in length, 0.25 mm in diameter, 0.25 ⁇ m in film thickness) can be used.
  • the analysis condition of GC-MS may be any one that can measure each flavor component, but, for example, gas chromatograph: Agilent 6890N, mass spectrometer: Agilent 5973, injection
  • the initial temperature is 40 ° C, the temperature is raised by 6 ° C / min up to 70 ° C, 2 ° C / min at 70 ° C or more, and it reaches 20 ° C 20 Measure under the condition of holding for minutes.
  • component (A) and component (B) in the heating implement 1 may adhere to a packaging material during manufacture to use.
  • the component (A) and the component (B) adhering to the surface of the container are also extracted by the solvent extraction method and analyzed by GC-MS.
  • the total amount of the component (A) and the component (B) extracted from the tool 1 can be the content of the component (A) and the component (B) in the heating tool 1.
  • the components (A) and (B) attached to the surface of the packaging material are dropped by 20 to 50 ml of a solvent also in the packaging material, and after sufficiently wetting the interior of the packaging material with the dropped solvent, the packaging material is sealed. And stand at room temperature for 9 hours. Thereafter, GC-MS is performed on the solvent in the packaging material.
  • the perfume composition can further comprise other perfumes.
  • component (A) and component (B) hydrocarbon compounds, aliphatic and aromatic alcohols, aliphatic and aromatic aldehydes, aliphatic and aromatic ketones, cyclic or acyclic ethers, aliphatic and aromatic Ester etc. are mentioned.
  • hydrocarbon compound examples include myrcene, osmene, limonene, pinene, terpinene, terpinenolene, pinene and derivatives thereof.
  • Aliphatic and aromatic alcohols for example, aliphatic alcohols such as pentanol, hexanol, 2,6-nonadienol, and 2,4-decadienol; benzyl alcohol, phenylethyl alcohol, and And aromatic alcohols such as phenylpentanol), dimethylbenzylcarbinol and phenylhexanol (3-methyl-5-phenylpentanol).
  • Aliphatic and aromatic aldehydes for example, aliphatic aldehydes such as acetaldehyde, hexanal, decanal and 2,4-octadienal; aroma such as benzaldehyde, cinnamyl aldehyde, vanillin, ethyl vanillin, furfural and heliotropin Family aldehydes.
  • Aliphatic and aromatic ketones for example, aliphatic ketones such as 2-heptanone, 2-undecanone, 1-octene-3-one, 2,3-pentadione; cyclotene, maltol, and ethyl maltol, methyl dihydrojasmonate And cyclic ketone derivatives; and aromatic ketones such as raspberry ketone.
  • Cyclic or non-cyclic ethers include, for example, cyclic ethers such as theaspirane.
  • aliphatic and aromatic esters examples include aliphatic acetates such as ethyl acetate and isoamyl acetate; and aromatic esters such as benzyl acetate and methyl salicylate.
  • oils examples include chamomile oil, basil oil, jasmine oil, anise oil, clove oil, nutmeg oil, fennel oil, and labdanum oil.
  • the flavor composition contains, for example, the flavor component described in “Synthetic flavor chemistry and product knowledge” (by Motokazu Infuji, Chemical Industry Nippo Co., Ltd.) to the extent that the effects of the present invention are not impaired. You can also.
  • the flavor composition can contain a solvent as long as the effect of the present invention is not impaired.
  • a solvent one or more of dipropylene glycol, ethyl diglycol, isopropyl myristate, benzyl benzoate, triethyl citrate and diethyl phthalate can be used.
  • the amount of use of the flavor composition can be appropriately selected according to the type, the specific use of the heating implement 1 and the like. Although depending on the type of the spice composition, as a general range, it is preferably 0.5 parts by mass or more, and 0.7 parts by mass or more with respect to 100 parts by mass of the oxidizable metal of the heat generating portion 10. It is more preferably 6 parts by mass or less, and more preferably 4.5 parts by mass or less. The amount is preferably 0.5 to 6 parts by mass, and more preferably 0.7 to 4.5 parts by mass.
  • the flavoring composition is directly added to the heating implement 1 by a spray or the like when the flavoring composition is a liquid.
  • a sheet material or a carrier of powder or fat or oil or the like is used to make a perfuming sheet, powder spice or paste-like spice, and the material is added to the heating implement 1.
  • the flavor composition is solid, there is a method of appropriately adding the flavor composition to the heating implement 1.
  • the fragrance composition is preferably applied between the inside of the bag body 30 and the heat generating portion 10, from the viewpoint of product management and in terms of efficiently expressing a scent.
  • the inner surface of the bag 30 may be directly impregnated with the fragrance composition, as shown in FIG.
  • the perfuming sheet 15 formed by perfuming the sheet material with the perfuming composition may be disposed between and applied, or a powdery perfume or paste-like endowment obtained by perfuming a carrier of powder or fat and oil
  • the scent may be made into a sheet and applied between the two.
  • the incense sheet 15 when used, specifically, it may be applied by being disposed adjacent to the inner side surface of the bag 30, or the incense sheet 15 is attached to the inner surface of the bag 30 by an adhesive. It may be adhered and applied.
  • arranged adjacently means a state which is near, but not necessarily in contact with, that is, may or may not be in contact.
  • the aromatizing sheet 15 includes a sheet material including a fiber material such as paper, non-woven fabric, and a woven fabric, or a sheet material having moisture absorption and oil absorption such as a porous film.
  • the material of the sheet material can be, for example, natural fibers such as silk, cotton, wool and cellulose, and synthetic fibers such as polyamide, polyolefin and polyester.
  • a cellulose-containing paper for example, a water-absorbent paper, can maintain a balance between good aroma and heat generation characteristics when using the heating tool 1, and can achieve weight reduction of the heating tool 1. It is preferable in point.
  • the heat generating portion 10 may be further contained in the container 20 to constitute the heat generating body 14.
  • the housing 20 is at least partially breathable.
  • the housing body 20 has a shape formed by bonding the peripheral portions of the first housing sheet 20a and the second housing sheet 20b to each other.
  • the housing body 20 is in a non-joining state at a portion inside the joined peripheral portion, thereby forming a single space for housing the heat generating portion 10.
  • the air permeability of the second container sheet 20b can be made larger than the air permeability of the first container sheet 20a. This makes it possible to further suppress the influence of the water absorbing agent in the heat generating portion 10 on the spice composition. That is, the air permeability of the second container sheet 20b is preferably twice or more, more preferably 5 times or more, and still more preferably 10 times or more than the air permeability of the first container sheet 20a. .
  • the first container sheet 20a may be breathable so as to be permeable to air and water vapor.
  • the second containing sheet 20b may be more impervious to air than the first containing sheet 20a, or may be non-permeable.
  • the air permeability of the second container sheet 20b is preferably 5,000 seconds / 100 ml or more, and 10,000 seconds / 100 ml or more. More preferably, it is more preferably 20,000 seconds / 100 ml or more, and still more preferably 30,000 seconds / 100 ml or more.
  • the air permeability of the first container sheet 20a is 1,000 seconds / 100 ml or more and 50,000 seconds / 100 ml regardless of whether the second container sheet 20b is non-air-permeable or non-air-permeable. It is preferable that it is the following.
  • Specific materials of the first container sheet 20a and the second container sheet 20b include a melt-blown non-woven fabric, a moisture-permeable film, and an air-permeable sheet in terms of controlling air permeability and preventing powder leakage, etc. And non-pervious sheets are preferably used.
  • a moisture-permeable film for example, a minute porous obtained by forming a melt-kneaded product of a thermoplastic resin and an organic or inorganic filler incompatible with the resin into a film and uniaxially or biaxially stretching it What has a structure can be used.
  • the air-permeable sheet a resin-made porous sheet or a sheet made of a resin having an air vent can be used, and for example, polyethylene, polypropylene, ethylene vinyl acetate copolymer, etc. can be used.
  • the resin-made porous sheet is obtained by forming a melt-kneaded product of a thermoplastic resin and an organic or inorganic filler incompatible with the resin into a film and uniaxially or biaxially stretching it.
  • the thickness of the breathable sheet is preferably 5 ⁇ m or more and 200 ⁇ m or less.
  • the air-impermeable sheet may be any sheet substantially impervious to oxygen, and is selected from, for example, polyethylene, polyolefins such as polybutadiene, polyvinyl chloride, polyvinylidene chloride, polyester, polyether, polysulfone and polyamide. 1 type or 2 types or more can be used.
  • the thickness of the low air permeability sheet is preferably 5 ⁇ m or more and 200 ⁇ m or less.
  • the first containing sheet 20a and the second containing sheet 20b may be made of one sheet material or may be made of a laminate of a plurality of sheet materials.
  • the fragrance composition is preferably applied between the heat generating portion 10 and the inside of the bag 30, as described above, but is more preferably applied between the container 20 and the inside of the bag 30. . Furthermore, it is more preferable that the flavor composition be applied to the outer surface of the container 20.
  • the second container sheet 20b intervenes between the spice composition and the heat generating portion 10, the distance between the spice composition and the heat generating portion 10 becomes longer, so the influence of the water absorbing agent or the like on the smell and heat generation characteristics is physically determined. Can be suppressed.
  • the spice composition may be applied directly to the sheet of the outer surface of the container 20.
  • seat of the outer surface of the container 20 may be made equivalent to a perfuming sheet
  • the distance between the spice composition and the heat generating portion 10 is increased, so that a sufficient thermal effect can be imparted without causing the temperature inhibition by the sheet, and the spice is easy to be scented. It becomes extremely high, and it becomes possible to control the change of the smell more effectively.
  • the incense sheet 15 it is preferable to arrange it adjacent to the container 20 as illustrated.
  • the incense sheet 15 is located farther from the application site Of the second container sheet 20b located on the side of the second container sheet 20b, or by applying a fragrant composition to the outer surface, to improve the lightness at the time of use and to impart a sufficient thermal effect to the application site at the same time It is possible to achieve a good odor.
  • the heating implement 1 is preferably sealed with a packaging material (not shown) having an oxygen barrier property before its use.
  • the heating tool 1 has a heat generating portion 10 including an oxidizable metal, a water absorbing agent, and water, and a bag 30 which is breathable at least in part and accommodates the heat generating portion 10;
  • the content of the component (A) is 0.1 parts by mass or more and 0.8 parts by mass or less with respect to 100 parts by mass of the oxidizable metal, and the content of the component (A) with respect to the component (B)
  • the mass ratio ((A) / (B)) is 0.1 or more and 4 or less.
  • the component (A) is mainly known as an aroma component capable of expressing a forest-like aroma, but the inventors of the present invention have an odor that affects the temperature rise immediately after the start of use of the heating implement 1 It was found as a group.
  • the heating implement 1 is a combination of the component (A) and the component (B). That is, component (B) is specified as a group of scents that can suppress the influence of component (A) on the temperature rise immediately after the start of use of heating implement 1 without significantly changing the quality of the scent; The combination of the component (B) provides good heat generation characteristics.
  • the heat generation characteristics of the heating tool 1 can be prevented from being lowered, and a good aroma can be obtained when the heating tool 1 is used, and the good heat generation characteristics are stable.
  • the heat generation property is degraded by the interaction of the component (A) with the heat generating portion 10 during the time after the production of the heating implement 1 until it is used
  • the balance among the component (A), the component (B) and the heat generating part 10 can be balanced, and good heat generation characteristics can be obtained without greatly affecting the quality of the aroma. Is guessed.
  • the present inventors have found that the compound having a bicyclo [7.2.0] undecane skeleton has almost no interaction with the heat generating portion 10 until it is used after the heating tool 1 is manufactured. I have confirmed.
  • good heat generation characteristics by the heating tool 1 indicate that the heat generation due to the oxidation reaction by the oxygen in the air of the heat generating portion 10 is exhibited well when the heating tool 1 is used, and the temperature rise immediately after the start of use is sufficient It means that the fall of the surface maximum achieved temperature of exothermic part 10 is controlled.
  • the heating tool 1 in order to suppress the influence of the component (A) on the temperature rise immediately after the start of use of the heating tool 1 without significantly affecting the quality of the aroma, in the heating tool 1, the component (A) While containing the component (B), the following conditions may be satisfied. Conditions: The heating tool 1 is put in an oxygen barrier bag and treated at 50 ° C. for 30 days in a degassing state, and then the heating tool 1 is opened in the air at room temperature 20 ° C. and atmospheric pressure of 60% humidity. The maximum surface reached temperature of the heat generating portion 10 is 54.degree. C. to 72.degree.
  • the heating implement 1 satisfies the conditions described above, it is possible to suppress the decrease in heat generation characteristics during the period after the production of the heating implement 1 until it is used, and a good aroma when using the heating implement 1 Can be obtained, and a unique holding action can be obtained in which the aroma and the heat generation characteristics are excellently balanced, such that sufficient heat can be applied to the skin.
  • the present inventors have been conducting researches, and in the case where the heating implement 1 has the component (A) and the component (B), after treatment at 50 ° C.
  • the amount of aroma, the average particle diameter of the oxidizable metal and the water absorbing agent, the content of the oxidizable metal, the water absorbing agent and water , And the method of manufacturing the heat generating portion 10 etc. may be adjusted and appropriately combined.
  • degassing is performed by putting the heating tool 1 inside the oxygen barrier bag, crushing the bag from the outside, and removing the air inside the bag, after which air enters It is sealed so as not to be.
  • the heating tool 1 may be accommodated in an outer packaging bag, and if it is housed, it is placed inside the oxygen-barrier bag together with the outer packaging bag.
  • the treatment is carried out for 30 days under a constant temperature of 50.degree. Thereafter, the heating tool 1 is conditioned under a temperature of 20 ° C. and a humidity of 60% for 3 days, the heating tool 1 is taken out of the bag, and the heating tool 1 is released into the air under the atmospheric pressure of room temperature 20 ° C. humidity 60%.
  • the surface maximum achieved temperature is a temperature due to a temperature rise due to the oxidation reaction, and is a temperature measured while the heat generating portion 10 generates heat.
  • the heating implement 1 can provide a user with a more effective thermal effect as the highest achieved temperature of the outer surface of the 2nd bag body sheet 30b is 54 degreeC or more.
  • heating tool 1 has been described above with reference to FIGS. 1 to 3, this is an example of the present invention, and various configurations other than the heating tool 1 can be adopted.
  • the steam heating tool 100 is of the so-called eye mask type, and is brought into contact with human eyes and their surroundings, and the water vapor heated to a predetermined temperature (hereinafter also referred to as "steam heat") is eyes and its It is used for giving around.
  • the steam heater 100 is perfumed with a perfume composition containing the aforementioned components (A) and (B) in predetermined amounts.
  • the steam heating tool 100 has a main body portion 101 and an ear hooking portion 105 in which a hole 104 into which the ear is inserted is formed.
  • the main body portion 101 has a laterally long shape having a longitudinal direction X and a width direction Y orthogonal thereto.
  • the main body portion 101 has a substantially oval shape.
  • the ear hooking portion 105 is used as a pair, and each ear hooking portion 105 is attached to each end of the main body portion 101 in the longitudinal direction (X direction).
  • the steam heating tool 100 is worn so that the ear hooks 105 are hooked on the wearer's ears and the main body 101 is covered with the eyes of the wearer. Under this wearing condition, the steam temperature and heat generated from the steam heating device 100 is applied to the eyes of the wearer, and the aroma component is volatilized, and a good aroma such as forest tone is suitably felt.
  • FIG. 6 shows a cross-sectional view of the steam heating device 100 along the X direction.
  • the main body portion 101 of the steam heating device 100 has a heat generating portion 121 and a bag 110 that accommodates the heat generating portion 121.
  • the heat generating portion 121 is accommodated in the container 122 having at least a part of the air permeability, and constitutes the heat generating body 120.
  • the heat generating portion 121 corresponds to the heat generating portion 10 of FIG. 1
  • the heat generating body 120 corresponds to the heat generating body 14 of FIG.
  • the bag 110 corresponds to the bag 30 of FIG. It corresponds to the container 20.
  • the heat generating portion 121 is in the same mode as the heat generating portion 10. That is, although the heat generating part 121 contains at least an oxidizable metal, an absorbent and water, it is preferable to further contain a reaction accelerator.
  • the heat generating portion 121 may have a single layer or a stacked structure, or may have a two-layer structure as shown in FIG.
  • the fragrance composition used for perfuming the steam heating device 100 is the same as the fragrance composition that can be used in the heating device 1 of FIG. Thereby, it is possible to provide the steam heating device 100 capable of generating steam heat appropriately at the time of use and expressing good aroma such as forest tone in a well-balanced manner.
  • the bag body 110 has a first bag sheet 110a located closer to the skin of the wearer and a second bag sheet 110b located farther from the skin of the wearer There is.
  • the first bag sheet 110a corresponds to 30a in FIG. 1
  • the second bag sheet 110b corresponds to 30b in FIG.
  • the basis weight is the second bag sheet 110b on the side far from the skin is the same as or smaller than the first bag sheet 110a on the side closer to the skin preferable.
  • the thickness of the first bag sheet 110a and the second bag sheet 110b and the thickness of the constituent fibers may be appropriately selected.
  • the first bag sheet 110a and the second bag sheet 110b have the same shape and have a substantially oval shape.
  • the outer shapes of the first bag sheet 110 a and the second bag sheet 110 b form the outer shape of the main body portion 101.
  • the first bag sheet 110a and the second bag sheet 110b overlap one another, join their peripheral parts, and join the central part in the X direction along the Y direction (broken line in FIG. 4) , A bag body 110 having two spaces inside is formed.
  • a hot melt adhesive can be used.
  • substantially V-shaped notch portions 113a and 113b cut inward along the Y direction from the long sides are formed at positions of central portions of two long sides extending in the X direction. .
  • the notch portion 113a is located between or near the wearer's groin when the steam heating device 100 is attached.
  • the notch portion 113 b is located on the bridge of the wearer's nose when the steam heater 100 is attached. Therefore, the notch 113 b has a larger degree of cutting than the notch 113 a.
  • At least one of the notch portions 113a and 113b shown in FIG. 5 may be a slit.
  • FIG. 6 shows an example of the steam heating device 100 in which the heat generating part 121 is contained in the container 122 having at least a part of the air permeability at least in part to constitute the heat generating element 120, and further contained in the bag 110.
  • the containing body 122 has a shape formed by bonding the peripheral portions of the first containing sheet 122a and the second containing sheet 122b to each other.
  • the housing body 122 is in a non-bonded state at a portion inside the bonded peripheral portion, thereby forming a single space for housing the heat generating portion 121.
  • the container 122 corresponds to the container 20 of FIG. 1, and specifically, the first container sheet 122a corresponds to the first container sheet 20a of FIG. 1, and the second container sheet 122b corresponds to the second container. It corresponds to the sheet 20b.
  • the fragrance composition is preferably applied between the inside of the bag 110 and the heat generating portion 121, more preferably applied between the inside of the bag 110 and the container 122, and the container 122 is preferably used. It is more preferable to be applied to the outer side surface, and it is further preferable to be applied to the outer side surface of the second container sheet 122b. If the second container sheet 122b intervenes between the spice composition and the heat generating portion 121, the distance between the spice composition and the heat generating portion 121 becomes longer, so that the influence of the water absorbing agent on the aroma and heat generation characteristics is physically It can be suppressed.
  • a powder spice or paste-like spice obtained by icing a powder or oil carrier. It may be in the form of a sheet and may be applied, or as shown in FIG.
  • the perfume composition may be applied directly to the inner surface of the
  • the spice composition may be applied directly to the sheet of the outer surface of the container 122.
  • the sheet on the outer surface of the container 122 may be the same as the incense sheet, and the spice composition may be applied to this sheet. That is, a sheet equivalent to the incense sheet is laminated on the outer surface of the second container sheet 122b using a method such as an adhesive or heat fusion, and the sheet on the outer surface of the container 122 is equivalent to the odorant sheet. It is good also as things.
  • the perfuming sheet 150 is the same as the perfuming sheet 15. In the case of using the incense sheet 150, specifically, it may be applied by being disposed adjacent to the inner surface of the bag 110, or the incense sheet 150 may be applied to the inner surface of the bag 110 by an adhesive. It may be adhered and applied.
  • the perfuming sheet 150 is the skin of the wearer.
  • first container sheet 122a and the second container sheet 122b materials similar to the first container sheet 20a and the second container sheet 20b can be selected.
  • the air permeability of the first container sheet 122a and the second container sheet 122b can be set in the same manner as the first container sheet 20a and the second container sheet 20b.
  • the fixed state of the bag body 110 and the heat generating body 120 is shown by FIG.
  • the heat generating body 120 is fixed to the inside of the bag body 110 by connecting the inner side surface of the second bag sheet 110b and the outer side surface of the second container sheet 122b by the fixing portions 103a and 103b. Be done.
  • the fixing portions 103a and 103b can be, for example, an adhesive, a heat seal, or the like.
  • the ear hooking portion 105 in the steam heating tool 100 is disposed on the first bag sheet 110a in the main body portion 101 as shown in FIGS. 5 and 6 before being used.
  • the ear hooking portion 105 is turned outward in the X direction to be in an open state.
  • the contours formed by the left and right ear hooks 105 are substantially the same as the outline of the main body 101. There is.
  • the whole is packaged with a packaging material (not shown) having an oxygen barrier property so that the heat generating portion 121 does not contact oxygen in the air.
  • a packaging material (not shown) having an oxygen barrier property so that the heat generating portion 121 does not contact oxygen in the air.
  • the film constituting this packaging material is not particularly limited. Specifically, metal films such as aluminum, polyolefins such as polypropylene, polyethylene terephthalate (PET), ethylene vinyl alcohol copolymer, ethylene vinyl acetate copolymer, poly A synthetic resin film such as acrylonitrile, or a film obtained by vapor-depositing ceramic, aluminum or the like on the synthetic resin film of these may be mentioned.
  • the packaging material preferably has an oxygen permeability coefficient (ASTM D 3985) of 10 cm 3 ⁇ mm / (m 2 ⁇ day ⁇ MPa) or less, more preferably 2 cm 3 ⁇ mm / (m 2 ⁇ day ⁇ MPa) The following can be used.
  • ASTM D 3985 oxygen permeability coefficient
  • FIG. 7 shows a steam heating device 200 as another example of the steam heating device 100.
  • the steam heating tool 100 exemplifies an example in which the incense sheet 150 is disposed on the outer surface of the housing 122 between the inside of the bag and the heat generating portion, in the steam heating tool 200, from the inside of the bag 110
  • arranged to the outer side of a container until the heating element 220 is shown.
  • an incense sheet 230 is disposed between the inside of the bag body 110 and the heating element 220.
  • the incense sheet 230 be disposed adjacent to the second bag sheet 110 b in the bag 110 and the heating element 220.
  • the fragrance composition containing the aforementioned component (A) and component (B) in predetermined amounts is applied to the aromatizing sheet 230.
  • the incense sheet 230 is in a non-adhesive state with the second bag sheet 110b and the container 222 of the heating element 220, and is disposed adjacent to it. Alternatively, the second bag sheet 110b is lightly adhered to the extent that misalignment does not occur.
  • the sheet material of the incense sheet 230 may have the same shape as the container 222 or may be smaller in size than the container 222. Above all, volatilization of the scent due to heat generation is preferable as it is the same shape as the heat generating part 221, because it is efficient.
  • the heat generating portion 221 is in the same mode as the heat generating portion 10.
  • the heat generating portion 221 may have a single layer or a stacked structure, or may have a two-layer structure as shown in FIG.
  • the heat generating body 220 is fixed to the bag body 110 by the fixing portion 203. Except for the above description, the steam heating device 200 is the same as the steam heating device 100, and the same effect as the steam heating device 100 can be obtained.
  • the first containing sheet 222a corresponds to the first containing sheet 122a
  • the second containing sheet 222b corresponds to the second containing sheet 122b.
  • a fixing means such as an adhesive may be provided instead of the ear hooking portion 105. That is, when using it in contact with the body of the wearer, it is sufficient to provide a fixing means such as an adhesive on the surface of the first bag sheet 110a in the bag body 110, and attach it to the clothes of the wearer.
  • a fixing means such as an adhesive may be provided on the surface of the second bag sheet 110b in the bag 110.
  • the steam heating device 100, 200 since it is flavored by the fragrance composition containing the component (A) and the component (B) described above in a predetermined amount, good heat generation characteristics can be obtained at the time of use It becomes a heating tool that can express the aroma of forest tone.
  • the steam heating tools 100 and 200 are also excellent in terms of heat generation characteristics.
  • the present invention further discloses the following composition, manufacturing method, or use.
  • a heat generating portion comprising an oxidizable metal, a water absorbing agent and water;
  • a bag body which is at least partially breathable and accommodates the heat generating portion;
  • a heating tool having The heating tool is (A) A compound having one or two or more selected from sesquiterpene hydrocarbons and derivatives thereof and having no bicyclo [7.2.0] undecane skeleton (B) a terpene skeleton and having 10 carbon atoms Perfumed with a perfume composition containing an oxygen-containing compound of ⁇ 12, Content of a component (A) is 0.1 mass part or more and 0.8 mass part or less with respect to 100 mass parts of said oxidizable metals,
  • the heating implement wherein a mass ratio ((A) / (B)) of the component (A) to the component (B) is 0.1 or more and 4 or less.
  • the water-absorbing agent contains a carbon component ⁇ 1> the heating implement ⁇ 3>
  • ⁇ 5> The heating implement according to any one of ⁇ 1> to ⁇ 3>, wherein the content of the component (A) relative to 100 parts by mass of the carbon component is preferably 3.3 parts by mass or more and 6.5 parts by mass or less.
  • the total mass part of the content of the component (A) and the component (B) with respect to 100 mass parts of the oxidizable metal is preferably 0.70 mass part or more and 1.7 mass parts or less, more preferably 0
  • the total mass part of the content of the component (A) and the component (B) with respect to 100 mass parts of the carbon component is preferably 8.0 mass parts or more and 20 mass parts or less, more preferably 10 mass parts or more 18
  • the content of component (A) is preferably 0.20 to 0.65 parts by mass with respect to 100 parts by mass of the oxidizable metal according to any one of ⁇ 1> to ⁇ 7> Equipment.
  • the content of the component (A) is preferably 0.28 parts by mass or more and 0.50 parts by mass or less with respect to 100 parts by mass of the oxidizable metal according to any one of ⁇ 1> to ⁇ 7> Equipment.
  • ⁇ 11> The heating implement according to any one of ⁇ 1> to ⁇ 10>, wherein a content of the oxidizable metal is preferably 100 to 3000 g / m 2 in terms of a basis weight.
  • Component (A) is preferably at least one or more selected from sesquiterpene hydrocarbons, sesquiterpene alcohols, sesquiterpene ethers, sesquiterpene esters, and sesquiterpene methyl ketones ⁇ 1> to ⁇ 1>.
  • component (A) is preferably at least one or more selected from acetyl cedrene, isolongifolene, and farnesene.
  • component (B) is preferably at least one or more selected from monoterpene alcohols, monoterpene aldehydes, terpene alcohol acetates, monoterpene ketones, and monoterpene ethers, ⁇ 1
  • the component (B) is preferably at least one or more selected from linalool, ethyl linalool and citronellol.
  • the heating tool preferably further comprises a container.
  • the said container accommodates the said heat-emitting part inside, and comprises the heat generating body,
  • ⁇ 18> The heating implement as described in ⁇ 17> in which the said spice composition is preferably given to the outer surface of the said container.
  • the heating implement preferably further includes a scented sheet, and the spice composition is applied to the scented sheet.
  • the perfuming sheet is preferably disposed adjacent to the inner surface of the bag.
  • the perfuming sheet is preferably obtained by applying the fragrant composition to a sheet material.
  • the bag comprises a first bag sheet and a second bag sheet, and preferably, the second bag sheet on the side far from the skin is the same as the first bag sheet on the side closer to the skin.
  • the first container sheet is preferably 1,000 seconds / 100 ml or more and 50,000 seconds / 100 ml or less.
  • the second container sheet is preferably 5,000 seconds / 100 ml or more, more preferably 10,000 seconds / 100 ml or more, and still more preferably 20,000 seconds / 100 ml or more.
  • a heating implement wherein the heating implement of ⁇ 1> to ⁇ 25> satisfies the following conditions. Conditions: The heating tool was put in an oxygen barrier bag and treated in a degassing state at 50 ° C. for 30 days, and then the heating tool was opened in the air at room temperature 20 ° C. and atmospheric pressure of 60% humidity.
  • the surface maximum achieved temperature of the heat generating portion is 54 ° C to 72 ° C.
  • a heat generating portion comprising an oxidizable metal, a water absorbing agent and water;
  • a bag body which is at least partially breathable and accommodates the heat generating portion;
  • a heating tool having The heating tool is (A) A compound having one or two or more selected from sesquiterpene hydrocarbons and derivatives thereof and having no bicyclo [7.2.0] undecane skeleton (B) a terpene skeleton and having 10 carbon atoms Containing an oxygen-containing compound which is A heating tool that meets the following conditions: Conditions: The heating tool was put in an oxygen barrier bag and treated in a degassing state at 50 ° C.
  • the heating implement as described in ⁇ 27> whose mass ratio ((A) / (B)) of a component (A) and a component (B) becomes like this. Preferably it is 0.25-1.5.
  • ⁇ 29> Content of a component (A) with respect to 100 mass parts of said oxidizable metals is a heating implement as described in ⁇ 27> which is 0.1 mass part or more and 0.8 mass part or less.
  • ⁇ 30> The heating implement according to any one of ⁇ 1> to ⁇ 29>, wherein the heat generating part generates a heat vapor.
  • the steam heater having the structure shown in FIGS. 4 to 6 was produced as follows. [Preparation of Heated Powder Water Dispersion] Materials were prepared at the composition ratios shown in Table 1 and prepared in the following procedure. The xanthan gum was dissolved in water, and then tripotassium phosphate and potassium hydroxide were dissolved to prepare an aqueous solution. On the other hand, a powder prepared by pre-mixing iron powder and activated carbon is prepared, and the pre-mixed powder is put into the above aqueous solution and stirred for 10 minutes with a disc turbine type stirring blade at 150 rpm for 10 minutes. I got
  • wood pulp paper (basis weight 20 g / m 2 , manufactured by Ino Paper Co., Ltd.) and a water absorbing polymer (spherical, average particle diameter 300 ⁇ m, Aquaric CA, manufactured by Nippon Shokubai Co., Ltd., basis weight 30 g / m 2 )
  • Aerated polymer sheet (having a maximum water absorption of 10 to 45% by mass of water absorbed) laminated and integrated with wood pulp paper (basis weight 30 g / m 2 , Ino Paper Co., Ltd.)
  • Polyethylene laminated paper (manufactured by Knitk Co., Ltd.) was used as the substrate layer using a degree of 2 seconds / 100 ml).
  • the first container sheet in the container was constituted of a porous stretched polyethylene moisture-permeable film (a permeability of 3,500 seconds according to JIS P8117) containing calcium carbonate.
  • the second container sheet was made of a non-moisture permeable film made of polyethylene.
  • a water absorbent paper (35 g / m 2 basis weight) is laminated on one surface of the second container sheet, and one sheet of the sheet-like heat generating portion described above is interposed between the first container sheet and the second container sheet. The sheets were stacked so that the water absorbent paper turned outward, and the sheets were joined at the peripheral edge to obtain a rectangular heating element.
  • the first bag sheet is a needle-punched nonwoven fabric (skin side, basis weight 80 g / m 2 ), and the second bag sheet is an air through nonwoven fabric (opposite side, skin basis, 30 g / m 2 ), as shown in FIG.
  • the two heat generating elements obtained above were sandwiched between both bag sheets, and the first bag sheet and the second bag sheet were joined in the vicinity of the peripheral edge portion and the longitudinal center line. Further, non-woven ear hooks were attached to the outer side surface of the first bag sheet as shown in FIG. 4 to obtain a target steam heating tool.
  • the above operations were performed in an atmosphere without oxygen.
  • the maximum surface reached temperature (° C) of the heat generating part is measured by attaching a measurement surface to the area where the heat generating part is located on the outer surface of the second bag sheet of the steam heating tool using a measuring device based on JIS S4100. It was measured by starting the heat generation of the heat generating part in the presence of oxygen.
  • the heat generation characteristics are the difference (maximum temperature decrease) obtained by subtracting the surface maximum achieved temperature (° C.) after storing the steam heating device at 50 ° C. for 2 weeks from the surface maximum achieved temperature (° C.) immediately after the manufacture of the steam heating device. Value). The lower the maximum temperature drop value is, the better the heat generation characteristics are obtained.
  • the steam heating tool was sealed in a bag and stored at 50 ° C. for 2 weeks. After that, the bag is opened and a steam heating tool is attached, heat generation and generation of water vapor are started, and the aroma in 5 minutes after opening is evaluated by a plurality of expert panelists according to the following criteria, and the average value is evaluated. The result was calculated and rounded to the first decimal place.

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  • Biomedical Technology (AREA)
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PCT/JP2018/027074 2017-07-28 2018-07-19 温熱具 WO2019021928A1 (ja)

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EP4140457A4 (en) * 2020-04-24 2024-04-24 Kao Corp HEATER

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CN111568641B (zh) * 2020-05-28 2021-04-23 刘子琛 一种眼罩发热材料及制备工艺
TWI793528B (zh) * 2020-10-02 2023-02-21 日商貝爾碼股份有限公司 芳香成分揮發裝置

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JP2019024924A (ja) 2019-02-21
TWI776930B (zh) 2022-09-11

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