WO2018003583A1 - 温感シート - Google Patents

温感シート Download PDF

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Publication number
WO2018003583A1
WO2018003583A1 PCT/JP2017/022581 JP2017022581W WO2018003583A1 WO 2018003583 A1 WO2018003583 A1 WO 2018003583A1 JP 2017022581 W JP2017022581 W JP 2017022581W WO 2018003583 A1 WO2018003583 A1 WO 2018003583A1
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WO
WIPO (PCT)
Prior art keywords
sheet
warm
warming
sensation
warm sensation
Prior art date
Application number
PCT/JP2017/022581
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
隆宏 植田
野田　祐樹
俊久 林
あゆみ 鞍迫
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to KR1020187035433A priority Critical patent/KR102221311B1/ko
Priority to EA201892571A priority patent/EA036870B1/ru
Priority to MYPI2018002277A priority patent/MY193267A/en
Priority to CN201780039967.2A priority patent/CN109414341A/zh
Publication of WO2018003583A1 publication Critical patent/WO2018003583A1/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
    • 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
    • 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
    • A61F7/08—Warming pads, pans or mats; Hot-water bottles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/02—Inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/44—Oils, fats or waxes according to two or more groups of A61K47/02-A61K47/42; Natural or modified natural oils, fats or waxes, e.g. castor oil, polyethoxylated castor oil, montan wax, lignite, shellac, rosin, beeswax or lanolin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • 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
    • A61F2007/0249—Compresses or poultices for effecting heating or cooling with layers with a layer having low heat transfer capability

Definitions

  • This disclosure relates to a warm sheet.
  • thermo sheet that applies heat to the wearer's body.
  • one side is made of a breathable multilayer structure obtained by laminating a nonwoven fabric and a porous film, and the other side is a sticking face having sticking means.
  • an exothermic composition-containing bag characterized by having a compression energy of 0.15 gfcm / cm 2 or more.
  • the present disclosure is a warm sensation sheet including a liquid retaining and liquid permeable skin contact sheet and a liquid impervious clothing contact sheet and having a thickness direction, wherein the warm sensation sheet is A warming layer containing a liquid warming composition containing a warming agent that activates a TRP channel and a solvent, and without containing a heat generating agent, the warming sheet comprises:
  • the temperature-sensitive layer overlapping region overlapping in the thickness direction has a bending resistance change rate in a predetermined direction of 4.0 or less, and the bending resistance change rate is the temperature-sensitive sheet at the start of use.
  • the temperature-sensitive sheet was found to be a ratio of the temperature-sensitive bending resistance of the warming sheet after 3 hours from the start of use to the bending resistance of 3 hours. .
  • the warming sheet of the present disclosure is excellent in wearing feeling of the warming sheet both in the initial stage and in use.
  • FIG. 1 is a perspective view of an individual package 3 in which warm sheets 1 according to the first embodiment are individually packaged.
  • FIG. 2 is a perspective view of the warm sensation sheet 1 according to the first embodiment.
  • FIG. 3 is a plan view of the warm sensation sheet 1 according to the first embodiment.
  • FIG. 4 is a rear view of the warm sensation sheet 1 according to the first embodiment.
  • FIG. 5 is an exploded perspective view of the warm sensation sheet 1 according to the first embodiment.
  • FIG. 6 is a diagram for explaining a wearing state of the warm feeling sheet 1.
  • FIG. 7 is a diagram for explaining a method for measuring the indentation force.
  • “Initial” and “when using” for a feeling of wearing” are taken out of the warm sheet (from a package, for example, an individual package), fixed to clothes, and used as a warm sheet. It means a feeling of wearing immediately after starting.
  • the term “in use”, which is a term related to the feeling of wearing a warm sheet, is to remove the warm sheet (from a package, for example, an individual package), fix it to clothes, It means a feeling of wearing after a lapse of a while after starting to use, specifically after about 3 hours.
  • a heat-sensitive sheet comprising a liquid-retaining and liquid-permeable skin contact sheet and a liquid-impermeable clothing contact sheet, and having a thickness direction
  • the warming sheet has a warming layer containing a liquid warming composition containing a warming agent that activates the TRP channel and a solvent, and does not contain an exothermic agent
  • the warm sheet has a bending change rate in a predetermined direction of 4.0 or less in the warm layer overlapping region overlapping with the warm layer in the thickness direction
  • the change rate of the bending resistance is 3h, which is the bending resistance of the warming sheet 3 hours after the start of use, with respect to the bending resistance of 0h, which is the bending resistance of the warming sheet at the start of use.
  • the warm sensation sheet has a warm sensation layer containing a predetermined warm sensation composition, and the warm sensation sheet has a rate of change in bending resistance within a predetermined range in a predetermined direction in the warm sensation layer overlapping region. Therefore, when the wearer wears the warm sensation sheet and uses the warm sensation sheet, the warm sensation sheet is hard to feel the hardness when the body is moved. In both cases, the wear feeling is excellent.
  • the warming agent is a warming agent that stimulates the TRPV1 receptor
  • the wearer is referred to as the activation temperature threshold value of the TRPV1 receptor at a temperature higher than 43 ° C.
  • the wearer can feel warmth more easily.
  • the above-mentioned warming agent activates the TRPV1 receptor in the warming agent contact portion of the wearer's skin that has been in contact with the warming agent. As a result, the warming agent contact portion is heated through the sympathetic nervous system. And the temperature of the warming agent contact portion of the wearer can be increased.
  • the warm sensation sheet has a pressing force change rate of 4.0 or less at a predetermined position on the peripheral edge of the warm sensation sheet, and the pressing force change rate is the peripheral edge of the warm sensation sheet at the start of use.
  • the aspect 1 to 3 is a ratio of a pressing force of 3 h that is a pressing force of a peripheral edge of the warm sheet after 3 hours from the start of use to a pressing force of 0 h that is a pressing force of Warmth sheet.
  • the warm sheet Since the warm sheet has a predetermined rate of change in pushing force at a predetermined position on the peripheral edge thereof, the wearer moves the body while wearing the warm sheet and during use of the warm sheet. In some cases, it is difficult to feel the hardness of the peripheral edge of the warm sensation sheet, and the warm sensation sheet is excellent in wearing feeling at the initial stage and in use.
  • the warm sensation sheet according to any one of aspects 1 to 5, wherein the sensation sheet does not have an embossed portion at the peripheral edge thereof.
  • the warm sensation sheet does not have an embossed portion at the peripheral edge thereof, so that it is difficult for the wearer to feel the hardness at the peripheral edge of the warm sensation sheet when wearing the warm sensation sheet and during use of the warm sensation sheet.
  • a warm feeling sheet is excellent in a wearing feeling both in the initial stage and in use.
  • the warming sheet according to any one of aspects 1 to 8, wherein the warming layer includes the skin contact sheet and the warming composition contained in the skin contact sheet.
  • the warm sensation sheet since the warm sensation layer is disposed at least on the skin contact sheet, the warm sensation sheet can impart warmth to the wearer early after wearing.
  • FIG. 1 to FIG. 6 are diagrams for explaining a warm sensation sheet 1 according to one of the embodiments of the present disclosure (hereinafter referred to as “first embodiment”).
  • FIG. 1 is a perspective view of the warm sensation sheet 1 according to the first embodiment.
  • FIG. 2 is a perspective view of the warm sensation sheet 1.
  • 3 and 4 are a plan view and a rear view of the warm sensation sheet 1, respectively.
  • FIG. 5 is an exploded perspective view of the warm sheet 1.
  • FIG. 6 is a diagram for explaining a wearing state of the warm feeling sheet 1.
  • the warm sensation sheet 1 includes a liquid retaining and liquid permeable skin contact sheet 7, an intermediate layer 9, and a liquid impervious clothing contact.
  • the skin contact sheet 7 is coated with a warming sensation composition (not shown) on the entire surface, and the entire surface of the skin contact sheet 7 constitutes the warming layer 17.
  • the whole of the planar direction (longitudinal direction L and width direction W) forms a temperature sensitive layer 17 and a temperature sensitive layer overlapping region (not shown) overlapping in the thickness direction T.
  • the skin contact sheet 7 has a skin contact surface 31 and a skin non-contact surface 33.
  • the skin contact sheet 7, the intermediate layer 9, the liquid-impermeable clothing contact sheet 11, and the release sheet 15 are each in the planar direction (longitudinal direction L and width direction W).
  • the shape of the outer edge is the same, and the skin contact sheet 7, the intermediate layer 9, the liquid-impermeable clothing contact sheet 11, and the release sheet 15 are such that their outer edges match the thickness direction T. Are stacked.
  • the warm sheet 1 includes a folding axis F extending in parallel with the width direction W at the center in the longitudinal direction L.
  • the warm sensation sheet 1 is folded with the skin contact surface 31 of the skin contact sheet 7 on the inside with the folding axis F as a reference, and is packaged in the packaging sheet 5.
  • the fixed portion 13 is composed of a plurality of fixed portion portions 14. Each of the plurality of fixed portion portions 14 extends in the width direction W and reaches both ends of the temperature-sensitive sheet 1 in the width direction W. The plurality of fixed portion portions 14 are arranged at predetermined intervals in the longitudinal direction L.
  • the release sheet 15 has the same outer edge shape as the clothing contact sheet 11 and is disposed so as to cover the entire fixing portion 13 (the plurality of fixing portion portions 14).
  • the warm sensation sheet 1 is wrapped in a wrapping sheet 5 in a folded state, and an individual wrapping body 3 is formed.
  • the individual wrapping body 3 is composed of two wrapping sheets 5 each of which is a warm sensation sheet 1 that is folded in two with the skin contact surface 31 of the skin contact sheet 7 as an inner side with respect to the folding axis F. It is formed by providing a seal portion 101 at the peripheral edge of the two packaging sheets 5.
  • the wearer unpacks the individual package 3 from the notch 103 of the individual package 3, takes out the warm sheet 1 from the individual package 3, and peels the release sheet 15 from the warm sheet 1.
  • the wearer fixes the fixing portion 13 of the thermal sensation sheet 1 to the clothing 21, specifically the inner surface of the shorts, and the skin contact surface 31 of the thermal sensation sheet 1 wears.
  • the thermal sensation sheet 1 is used in a state in contact with the person's skin.
  • the warm sensation sheet 1 has a peripheral edge 25 that is a region within a predetermined distance from the outer peripheral edge 23 of the warm sensation sheet 1.
  • the warm sensation sheet 1 does not have an embossed portion at the peripheral edge portion 25.
  • a warming sensation composition (not shown) is coated on the entire surface including the peripheral edge 25 of the skin contact sheet 7 of the warming sensation sheet 1.
  • the warm sensation sheet 1 includes the skin contact sheet 7 containing the warm sensation composition (not shown), that is, the warm sensation layer 17 at the peripheral edge 25.
  • the warming composition can efficiently activate the TRP channel of the warming agent contact portion where the warming agent on the skin of the wearer is in contact, and can efficiently impart warmth to the wearer. it can.
  • the warm sheet 1 does not contain a heat generating agent.
  • the fixing part is generally arranged at a position overlapping the heat generating agent and the thickness direction of the heat sheet for the purpose of keeping the heat generating agent in contact with the skin of the wearer. Under the influence of the heat generating agent, the temperature of the fixing part rises and the fixing part is easily softened. Therefore, when the use of the thermal sheet is finished and the thermal sheet is removed from the clothing, the softened fixing portion tends to remain on the clothing.
  • the warm sensation sheet 1 since the warm sensation sheet 1 itself does not generate heat, the fixing part 13 of the warm sensation sheet 1 is hard to be softened, and when the warm sensation sheet 1 is used and removed from the clothing 21. In addition, the fixing portion 13 of the warm sensation sheet 1 is unlikely to remain on the clothing 21.
  • the warming sensation sheet of the present disclosure is preferably 4.0 or less, more preferably 3.0 or less, and even more preferably 2 in the warming layer and the warming layer overlapping region overlapping in the thickness direction of the warming sheet. 0.0 or less, and even more preferably 1.5 or less. By doing so, a warm feeling sheet is excellent in a feeling of wearing both in the initial stage and at the time of use.
  • 0.5 and 1.0 are mentioned, for example.
  • the temperature-sensitive sheet preferably has the above-described bending resistance change rate in a predetermined direction, and more preferably has the above-described bending resistance change rate in at least one of the longitudinal direction and the width direction of the heating sheet. It is more preferable to have the above-described bending change rate in both the longitudinal direction and the width direction of the warm sheet. It is from a viewpoint of the feeling of wear at the initial stage and use of a warm feeling sheet.
  • the rate of change in the bending resistance is the bending resistance of the warming sheet at the start of use, that is, the bending resistance of the warming sheet after 3 hours from the start of use with respect to the bending resistance of 0h, that is, the bending resistance of 3h.
  • Means the ratio of The above “start of use” means 0 to 10 minutes after the warm sheet is taken out from the package (for example, individual package).
  • the above “after 3 hours from the start of use” means 3 hours to 3 hours and 10 minutes after the warm sheet is taken out from the package (for example, individual package).
  • the bending resistance (0h bending resistance and 3h bending resistance) of the warm sheet is measured as follows, and the matters not described are those of JIS L 1913: 2010 “General Nonwoven Testing Method”.
  • 6.7.4 Gurley method (1)
  • a constant temperature and humidity chamber temperature: 25 ⁇ 5 ° C., relative humidity: 65 ⁇ 5%
  • a 311 Gurley-type flexibility tester is prepared.
  • the package of warm sheets is left in the constant temperature and humidity chamber for 24 hours in a natural state without opening.
  • a warming sheet is taken out from the package, and a sample cut to a size of 38 mm ⁇ 25 mm (sample longitudinal direction ⁇ sample width direction) is prepared from the warming layer overlapping region of the warming sheet.
  • the sample is placed so that one end (6.3 mm) in the sample longitudinal direction (38 mm) is fixed to the chuck, and the other end (6.3 mm) can touch the pendulum B.
  • the movable arm is rotated at a constant speed, and the scale (RG 1 ) when the sample leaves the pendulum B is read (first time).
  • the sample is turned upside down, the sample is set on a Gurley-type flexibility tester, and the scale (RG 2 ) when the sample leaves the pendulum B is read (second time).
  • the bending resistance (mN) is calculated from the following equation. Flexibility (mN) (7) The above measurement is repeated a total of 5 times with different samples, and the average value of the bending resistance is adopted. The 0h bending resistance is measured within 10 minutes after opening the package, and the 3h bending resistance is between 3 hours and 3 hours and 10 minutes after opening the package. Finish the measurement of bending resistance.
  • the temperature-sensitive sheet of the present disclosure preferably has a 0h bending resistance of 10 mN or less, more preferably 7 mN or less, still more preferably 5 mN or less, and even more preferably 3 mN or less in the temperature-sensitive layer overlapping region. By doing so, a warm feeling sheet is excellent in an initial wearing feeling.
  • the warm sheet preferably has the above-mentioned 0h bending resistance in a predetermined direction, and more preferably has the above-described 0h bending resistance in at least one of the longitudinal direction and the width direction of the warm sheet, And it is still more preferable to have the above-mentioned 0h bending resistance in both the longitudinal direction and the width direction of the warm sheet. This is from the viewpoint of the initial wearing feeling of the warm feeling sheet.
  • the temperature-sensitive sheet of the present disclosure preferably has a 3h bending resistance of 10 mN or less, more preferably 7 mN or less, still more preferably 5 mN or less, and even more preferably 3 mN or less in the temperature-sensitive layer overlapping region.
  • a warm feeling sheet is excellent in the wearing feeling at the time of use.
  • the warm sheet preferably has the above-mentioned 3h bending resistance in a predetermined direction, and more preferably has the above-mentioned 3h bending resistance in at least one of the longitudinal direction and the width direction of the warm sheet, And it is more preferable to have the above-mentioned 3h bending resistance in both the longitudinal direction and the width direction of the warm sheet. It is from a viewpoint of the wearing feeling at the time of use of a warm feeling sheet.
  • the temperature-sensitive sheet of the present disclosure preferably has a pressing force change rate of 4.0 or less, more preferably 3.0 or less, and even more preferably 2.0 or less. By doing so, it becomes difficult for the wearer to feel hardness at the peripheral edge portion of the warm feeling sheet both in the initial stage and at the time of use, and the warm feeling sheet is excellent in wearing feeling.
  • the warm sensation sheet preferably has the above-mentioned pressing force change rate at a predetermined position on the peripheral edge of the warm sensation sheet, and the above-mentioned push on at least one peripheral edge in the longitudinal direction and the width direction of the warm sensation sheet. It is more preferable to have a force change rate, and it is more preferable to have the above-described indentation force change rate at both the longitudinal and width peripheral portions of the warm sheet. It is from a viewpoint of the feeling of wear at the initial stage and use of a warm feeling sheet.
  • the rate of change of the pushing force is the pushing force at the peripheral edge of the warm sensation sheet at the start of use, that is, the pushing force at the peripheral edge of the warm sensation sheet after 3 hours from the start of use with respect to 0 h pushing force, that is, It means the ratio of 3h indentation force.
  • start of use means 0 to 10 minutes after the warm sheet is taken out from the package (for example, individual package).
  • after 3 hours from the start of use means 3 hours to 3 hours and 10 minutes after the warm sheet is taken out from the package (for example, individual package).
  • the pushing force (0h pushing force and 3h pushing force) of the warm sheet is measured as follows.
  • the method for measuring the indentation force will be described with reference to FIG. 7 as appropriate.
  • a digital force gauge 201 (FGP-550N) manufactured by Nidec Symposium and an electric test stand 203 are installed.
  • the package of warm sheets is left in the constant temperature and humidity chamber for 24 hours in a natural state without opening.
  • the warm sheet is taken out from the package, and the sample 205 including the peripheral portion to be measured is cut out in a size of 25 mm ⁇ 25 mm.
  • the warming sheet is taken out from the package, and the sample 205 is sandwiched between the two rectangular parallelepiped metal supports 207 arranged on the stand of the electric test stand, and fixed with screws. Note that the sample 205 is fixed so that the portion to be measured at the peripheral edge thereof is directed upward in the vertical direction so that the sample 205 protrudes 10 mm from the metal support 207.
  • the sample 205 has a measurement terminal 209 that moves downward in the vertical direction of the measurement terminal 209 of the digital force gauge 201 and downward in the vertical direction. Set to touch.
  • the measurement terminal 209 of the digital force gauge 201 is moved downward in the vertical direction at a speed of 30 mm / min until the sample 205 is pushed in by 1 mm, and the maximum load (N) measured by the measurement terminal is recorded.
  • the measurement terminal 209 is a round terminal having a diameter of 11 mm.
  • (6) Repeat the measurement of (1) to (5) with 10 different samples, and adopt the average value as the indentation force.
  • the 0h indentation force measured the indentation force within 10 minutes after opening the package, and the 3h indentation force was measured between 3 hours and 3 hours 10 minutes after opening the package. Finish the measurement.
  • the warm sensation sheet of the present disclosure preferably has the above-described 0 h indentation force of 3.0 N or less, more preferably 2.0 N or less, still more preferably 1.0 N or less, and even more preferably 0.5 N or less.
  • a wearer is hard to feel the hardness of the peripheral part of a warm feeling sheet in the case of wearing, and a warm feeling sheet is excellent in the initial wearing feeling.
  • the warm sheet has the above-described 0h pushing force at a predetermined position on the peripheral edge of the warm sheet, and the above-described 0h pushing is performed on at least one circumferential edge of the warm sheet in the longitudinal direction and the width direction. It is more preferable to have a force, and it is more preferable to have the above-described 0 h indentation force at both the longitudinal and width peripheral portions of the warm sheet. This is from the viewpoint of the initial wearing feeling of the warm feeling sheet.
  • the warm sheet of the present disclosure preferably has the above-described 3h indentation force of 3.0N or less, more preferably 2.0 or less, further preferably 1.0N or less, and even more preferably 0.5N or less.
  • the warm sheet preferably has the above-mentioned 3h pushing force at a predetermined position on the peripheral edge of the warm sheet, and the above-mentioned 3h pushed on at least one circumferential edge of the warm sheet in the longitudinal direction and the width direction. It is more preferable to have a force, and it is more preferable to have the above-described 3h indentation force at the peripheral edge in both the longitudinal direction and the width direction of the warm sheet. It is from a viewpoint of the wearing feeling at the time of use of a warm feeling sheet
  • the warming composition is a liquid containing a warming agent that activates the TRP channel and a solvent.
  • the warming agent is not particularly limited as long as it activates the TRP channel, and examples thereof include agonists for TRPV1 receptor, agonists for TRPV3 receptor, and the like, and agonists for TRPV1 are preferable. This is because the TRPV1 receptor has a high activation temperature threshold of over 43 ° C. and can impart a high warm feeling to the wearer.
  • the TRP channel to be activated by the warming agent includes a human TRP channel.
  • warming agent examples include capsicoside, capsaicin, capsaicinoids (dihydrocapsaicin, nordihydrocapsaicin, homodihydrocapsaicin, homocapsaicin, nonivamid, etc.), capsanthin, benzyl nicotinate, ⁇ -butoxyethyl nicotinate, N-acyl.
  • vanillamide nonanoic acid vanillylamide, polyhydric alcohol, chili powder, chili tincture, chili extract, nonanoic acid vanillyl ether, vanillyl alcohol alkyl ether derivative (for example, vanillyl ethyl ether, vanillyl butyl ether, vanillyl pentyl ether, Vanillylhexyl ether), isovanillyl alcohol alkyl ether, ethyl vanillyl alcohol alkyl ether, veratial alcohol derivative, substituted benzyl alcohol derivative Body, substituted benzyl alcohol alkyl ethers, vanillin propylene glycol acetal, ethyl vanillin propylene glycol acetal, ginger extract, ginger oil, gingerol, zingerone, as well as any combination thereof.
  • the warming agent is preferably a plant-derived compound from the viewpoint of the wearer's sense of security.
  • the warming agent is preferably 0.0001 to 5.0% by mass, more preferably 0.0005 to 3.0% by mass, and still more preferably 0.1 to 1.0% by mass. And still more preferably from 0.3 to 0.7% by weight. This is from the viewpoint of the effect of the warming agent.
  • the above solvent includes water, alcohol, fats and oils, and any combination thereof.
  • the warming composition contains the solvent in a ratio of preferably 50.0 to 99.9% by mass, more preferably 90.0 to 99.9% by mass. By doing so, it is easy for the wearer to learn a warm feeling from an early stage after wearing and for a long time when using the warm feeling sheet.
  • Examples of the alcohol include lower alcohols such as methanol, ethanol, ethylene glycol, and glycerin, and higher alcohols such as capryl alcohol, lauryl alcohol, and myristyl alcohol.
  • Examples of the fats and oils include fatty acid esters such as triglycerides, and natural oils such as coconut oil and linseed oil.
  • the warming composition contains at least one other component as shown below as long as the effect of imparting warmth to the wearer is not impaired. Can do.
  • the at least one other component include silicone oil, silicone, and silicone resin.
  • antioxidants such as BHT (2,6-di-t-butyl-p-cresol), BHA (butylated hydroxyanisole), and propyl gallate. It is done.
  • Examples of the at least one other component include vitamins such as natural vitamins and synthetic vitamins.
  • Examples of the vitamin include water-soluble vitamins such as vitamin B group, for example, vitamin B 1 , vitamin B 2 , vitamin B 3 , vitamin B 5 , vitamin B 6 , vitamin B 7 , vitamin B 9 , vitamin B 12 And vitamin C.
  • Examples of the vitamin include fat-soluble vitamins such as vitamin A group, vitamin D group, vitamin E group, and vitamin K group. The vitamins also include their derivatives.
  • Examples of the at least one other component include amino acids such as alanine, arginine, lysine, histidine, proline, hydroxyproline, and peptides.
  • the at least one other component examples include zeolites such as natural zeolites such as fluorite, chabazite, pyroxenite, natrolite, zeolitite, and somosonite, and synthetic zeolite.
  • zeolites such as natural zeolites such as fluorite, chabazite, pyroxenite, natrolite, zeolitite, and somosonite, and synthetic zeolite.
  • examples of the at least one other component include cholesterol, hyaluronic acid, lecithin, ceramide, placenta, collagen, elastin, squalane, petrolatum, trehalose and the like.
  • Examples of the at least one other component include drugs such as skin astringents, anti-acne agents, anti-wrinkle agents, anti-cellulite agents, whitening agents, antibacterial agents, and antifungal agents.
  • Examples of the skin astringent include oil-soluble skin astringents such as zinc oxide, aluminum sulfate, and tannic acid, such as oil-soluble polyphenols.
  • Examples of the oil-soluble polyphenols include natural oil-soluble polyphenols such as, for example, buckwheat extract, hypericum extract, nettle extract, chamomile extract, burdock extract, salvia extract, linden extract, scallop extract, birch extract, cedar extract, sage extract, salvia extract. , Teuchigurumi extract, hibiscus extract, loquat leaf extract, bodaiju extract, hop extract, marronnier extract, yokuinin extract and the like.
  • anti-acne agent examples include salicylic acid, benzoyl peroxide, resorcinol, sulfur, erythromycin, and zinc.
  • anti-wrinkle agent examples include lactic acid, salicylic acid, salicylic acid derivatives, glycolic acid, phytic acid, lipoic acid, and lysophosphatide acid.
  • anti-cellulite agent examples include xanthine compounds such as aminophylline, caffeine, theophylline, theobromine and the like.
  • whitening agent examples include niacinamide, kojic acid, arbutin, glucosamine and derivatives, phytosterol derivatives, ascorbic acid and derivatives thereof, and mulberry extract and placenta extract.
  • Examples of the at least one other component include an anti-inflammatory component, a pH adjuster, an antibacterial agent, a moisturizer, a fragrance, a pigment, a dye, a pigment, and a plant extract.
  • examples of the anti-inflammatory component include naturally-occurring anti-inflammatory agents, such as buttons, ogon, hypericum, chamomile, licorice, momonoha, mugwort, perilla extract, synthetic anti-inflammatory agents, such as allantoin, dipotassium glycyrrhizinate, etc. It is done.
  • Examples of the pH adjuster include those for keeping the skin weakly acidic, such as malic acid, succinic acid, citric acid, tartaric acid, and lactic acid.
  • examples of the pigment include titanium oxide.
  • the above-mentioned warming composition and warming sheet do not contain an exothermic agent. By doing so, a warm feeling sheet is hard to become hard, and it is excellent in a feeling of wearing both in the initial stage and at the time of use. Also, when the warm sheet has a fixing part, the warm sheet itself does not generate heat, so the fixed part of the warm sheet is difficult to soften, and when using the warm sheet and removing the warm sheet from clothes In addition, the fixing part of the warm sensation sheet is less likely to remain on the clothes.
  • the exothermic agent is not particularly limited as long as the exothermic agent itself generates heat.
  • heat of oxidation of metal powder for example, iron powder
  • heat of neutralization of acid and alkali heat of hydration of inorganic salt
  • heat of hydration of inorganic salt and those using chemical energy such as
  • the warming composition and the warming sheet may contain a so-called cooling agent, for example, an agonist for TRPM8 receptor or TRPA1 receptor.
  • the warming composition has a basis weight of the warming agent of preferably 0.001 to 10 g / m 2 , more preferably 0.003 to 5 g / m 2 , and still more preferably 0.00. In a basis weight of from 01 to 2.5 g / m 2 , and even more preferably from 0.05 to 1.5 g / m 2 . This is from the viewpoint of giving warmth to the wearer.
  • the warm sensation layer is not particularly limited as long as it includes the warm sensation composition, but the warm sensation layer includes, for example, the skin contact sheet and the warm sensation composition included in the skin contact sheet. And the warm sensation sheet includes an intermediate layer between the skin contact sheet and the clothing contact sheet, the warm sensation layer includes the intermediate layer and the warm sensation composition contained in the intermediate layer. Can be included.
  • the warm sensation sheet of the present disclosure does not have an embossed portion formed by embossing a sheet constituting the warm sensation sheet, for example, a skin contact sheet and / or a clothing contact sheet, at the peripheral edge thereof. . By doing so, it is difficult for the wearer to feel the hardness of the periphery of the warm sensation sheet both when the warm sensation sheet is worn and during the use of the warm sensation sheet. In both cases, the wear feeling is excellent.
  • the peripheral edge is at a distance of preferably 10% or less, more preferably 5% or less, and even more preferably 3% or less from the outer periphery of the warm sheet in the longitudinal direction of the warm sheet. It means a certain area.
  • the peripheral edge is preferably 15 mm or less, more preferably 7.5 mm or less, and even more preferably 4 from the outer periphery of the warm sensation sheet. Means an area at a distance of 5 mm or less.
  • the warm sheet of the present disclosure preferably includes a warm layer at the periphery. By doing so, it is possible to increase the area of the thermal sensation layer relative to the area of the skin contact surface of the thermal sensation sheet in the plane direction of the thermal sensation sheet, thereby reducing the size of the thermal sensation sheet.
  • the material of the skin contact sheet is not particularly limited as long as it has liquid retention and liquid permeability, preferably liquid permeability to the warming composition.
  • a nonwoven fabric, a woven fabric, a knitted fabric etc. are mentioned, and a nonwoven fabric is preferable from a viewpoint of a manufacturing method.
  • the nonwoven fabric include airlaid pulp, air-through nonwoven fabric, spunbond nonwoven fabric, point bond nonwoven fabric, spunlace nonwoven fabric, needle punch nonwoven fabric, melt blown nonwoven fabric, and combinations thereof (for example, SMS).
  • Examples of the fibers constituting the nonwoven fabric include natural fibers, synthetic fibers, and semi-synthetic fibers.
  • Examples of the natural fiber include pulp fiber and regenerated cellulose fiber.
  • Examples of the regenerated cellulose fibers include rayon fibers such as viscose rayon obtained from viscose, polynosic and modal, copper ammonia rayon fiber obtained from a copper ammonia salt solution of cellulose (also referred to as “cupra”); organic compound And lyocell and tencel which are obtained by an organic solvent spinning method using an organic solvent which is a mixed solution of water and does not pass through a cellulose derivative.
  • Examples of the semi-synthetic fibers include semi-synthetic cellulose fibers such as acetate fibers such as triacetate fibers and diacetate fibers.
  • the synthetic fibers include heat-fusible fibers such as polyolefin polymers such as polyethylene or polypropylene; polyester polymers such as terephthalate polymers such as polyethylene terephthalate (PET), polybutylene terephthalate, and polypenty.
  • Examples include fibers formed from terephthalate; polyamide-based polymers such as nylon 6 or nylon 6,6; acrylic polymers; polyacrylonitrile-based polymers; or modified products thereof, or combinations thereof.
  • the skin contact sheet preferably has a basis weight of 10 to 100 g / m 2 , and more preferably 20 to 50 g / m 2 .
  • the material of the clothing contact sheet is not particularly limited as long as it has liquid impermeability from the viewpoint of preventing the warm sensation composition from moving to the garment.
  • examples thereof include films such as polyethylene and polypropylene, resin films having air permeability, those obtained by bonding a resin film having air permeability to a nonwoven fabric such as spunbond or spunlace, and multilayer nonwoven fabrics such as SMS.
  • the clothing contact sheet preferably has a basis weight of 10 to 50 g / m 2 , and more preferably 15 to 30 g / m 2 .
  • the warm sensation sheet of the present disclosure may further include an intermediate layer between the skin contact sheet and the clothing contact sheet, and the intermediate layer may be a sheet or an absorbent in the field of hygiene materials.
  • the intermediate layer is a sheet
  • the material of the intermediate layer is preferably a fabric composed of cellulosic fibers, for example, a nonwoven fabric, a woven fabric, a knitted fabric, and the like. From the viewpoint of holding a warming composition, a tissue composed of pulp fibers, More preferred is airlaid pulp or the like.
  • the intermediate sheet preferably does not contain a polymer absorbent.
  • the absorbent body When the intermediate layer is an absorbent body, the absorbent body includes a core wrap covering an absorbent core containing pulp fibers and a polymeric absorbent, or a core wrap containing an absorbent core containing a polymeric absorbent or The thing etc. which have covered the absorption core which consists of polymer absorbents are mentioned.
  • the core wrap include the above-described intermediate sheet.
  • the intermediate layer preferably has a basis weight of 10 to 200 g / m 2 , and more preferably 15 to 150 g / m 2 .
  • the intermediate layer contains a polymer absorbent
  • the polymer absorbent absorbs the warming agent of the warming composition and the solvent, particularly water, and the warming composition acts on the skin at once.
  • the effect of the warming sensate can be exhibited stably and for a long time.
  • the fixing part may be a hot melt adhesive, for example, styrene- Mainly rubber type such as ethylene-butadiene-styrene (SEBS), styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS), or olefin type such as linear low density polyethylene.
  • SEBS ethylene-butadiene-styrene
  • SBS styrene-butadiene-styrene
  • SIS styrene-isoprene-styrene
  • olefin type such as linear low density polyethylene.
  • Pressure sensitive adhesive or heat sensitive adhesive for example, a water sensitive polymer (for example, polyvinyl alcohol, carboxymethyl cellulose, gelatin, etc.) or a water swellable polymer (for example, polyvinyl acetate, sodium polyacrylate, etc.) Etc.
  • a water sensitive polymer for example, polyvinyl alcohol, carboxymethyl cellulose, gelatin, etc.
  • a water swellable polymer for example, polyvinyl acetate, sodium polyacrylate, etc.
  • the skin contact sheet 7, the intermediate layer 9, the liquid-impermeable clothing contact sheet 11, and the release sheet 15 are each in the planar direction (longitudinal direction L and width direction W).
  • the shape of the outer edge was the same, in the warming sheet of the present disclosure, each of the skin contact sheet, the intermediate layer, the liquid-impermeable clothing contact sheet, and the release sheet 15 has a different outer edge. You may have a shape.
  • the warm sheet of the present disclosure is preferably packaged with a packaging sheet.
  • the warming sheet of the present disclosure is preferably a package in which one or more warming sheets are packaged with a packaging sheet, and individual packaging in which one warming sheet is packaged with a packaging sheet. More preferably, it is a body.
  • the packaging sheet preferably includes an airtight layer from the viewpoint of enhancing the airtightness of the package, and examples of the material of the airtight layer include ethylene vinyl alcohol copolymer, vinylidene chloride-based polymer, such as vinylidene methyl chloride.
  • examples of the material of the airtight layer include acrylate copolymer, polyvinyl alcohol, nylon, such as nylon 6, aluminum foil, and substrate film (polyethylene terephthalate, etc.) deposited with alumina, silica, or the like.
  • a warm sensation sheet includes a fixing portion for fixing to a clothing on a clothing contact surface of a liquid-impermeable clothing contact sheet, and the fixing portion is provided on an inner surface of the clothing.
  • the clothing is not particularly limited as long as it has a portion that directly contacts the wearer's skin, and includes a clothing that fits the wearer.
  • the clothes include underwear (for example, shorts, shirts, brassieres, etc.), outerwear (for example, upper clothes, lower clothes), socks, gloves, mufflers, face masks, eye masks, and the like.
  • seat is a clothing fixed type, it is preferable that the said skin contact sheet does not have adhesiveness in the skin contact surface, for example, does not have an adhesive.
  • the warm sensation sheet according to another embodiment of the present disclosure has adhesiveness on the skin contact surface of the skin contact sheet, and the skin contact surface of the skin contact sheet has adhesiveness on the wearer's skin. It can be a skin-fixing type that is used by being attached to the skin.
  • a thermal sensation sheet is a body-mounted type that includes an attachment device for attaching to the body and uses the attachment device to attach the thermal sensation sheet to the wearer's body. be able to.
  • belt-shaped object for example, a string, for example, an ear hook string
  • the body to which the warm sensation sheet is attached include the head, ears, neck, upper arm, forearm, hand, thigh, knee, lower leg, foot, and the like.
  • seat is a body mounting
  • the part to which the warming sheet of the present disclosure can impart warmth is not particularly limited.
  • the head for example, the face, for example, the eye
  • the neck for example, the neck
  • the upper limb for example, the chest, the abdomen, the groin, Back, waist, upper arm, forearm, hand
  • lower limbs eg, thigh, lower leg, foot
  • Warm sensation sheet No. 1 according to the first embodiment. 1 was produced. Specifically, an air-through nonwoven fabric (basis weight: 30 g / m 2 ) as a skin contact sheet, an airlaid pulp (basis weight: 100 g / m 2 ) as an intermediate layer, and a clothing contact sheet, A polyethylene film (basis weight: 24 g / m 2 ) is bonded with a hot melt adhesive, and then an aqueous solution containing 0.3% by mass of vanillyl butyl ether is used as a warming composition. By coating the entire sheet so that the basis weight of vanillyl butyl ether is 1.0 g / m 2 , the warm sheet No. 1 was produced.
  • Example 1 Warm sensation sheet no. 1 flexural change rate, 0h flexural softness (mN), 3h flexural softness (mN), push force change rate, 0h push force (N) and 3h push force (N) are defined in this specification. It was measured according to the measurement method. The results are shown in Table 1.
  • Warm sheet No. 1 and thermal sheet No. 1 No. 1 was worn by a plurality of test subjects. 1 is a thermal sheet No. 1; There was a reply that it was excellent in wearing feeling compared to 1. In addition, warm sheet No. No. 1 got an answer that it was excellent in warmth.

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