WO2022064694A1 - Gant - Google Patents

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Publication number
WO2022064694A1
WO2022064694A1 PCT/JP2020/036633 JP2020036633W WO2022064694A1 WO 2022064694 A1 WO2022064694 A1 WO 2022064694A1 JP 2020036633 W JP2020036633 W JP 2020036633W WO 2022064694 A1 WO2022064694 A1 WO 2022064694A1
Authority
WO
WIPO (PCT)
Prior art keywords
polyurethane foam
gloves
glove
wearer
cells
Prior art date
Application number
PCT/JP2020/036633
Other languages
English (en)
Japanese (ja)
Inventor
雅則 鈴木
Original Assignee
雅則 鈴木
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 雅則 鈴木 filed Critical 雅則 鈴木
Priority to PCT/JP2020/036633 priority Critical patent/WO2022064694A1/fr
Publication of WO2022064694A1 publication Critical patent/WO2022064694A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves

Definitions

  • the present invention is different from gloves, more specifically, for cold weather and for hand protection in the workplace, etc., as a part of daily measures against infectious diseases such as influenza and new coronavirus infection (COVID-19). Regarding gloves that can be used in daily life.
  • porous gloves having a bubble content of 20% by volume or more and 60% by volume or less, an average bubble diameter of 150 ⁇ m or less, and a bubble communication rate of 30% or more and 80% or less have been proposed.
  • Patent Document 1 porous gloves having a bubble content of 20% by volume or more and 60% by volume or less, an average bubble diameter of 150 ⁇ m or less, and a bubble communication rate of 30% or more and 80% or less have been proposed.
  • Patent Document 1 According to this glove, it is possible to provide a glove that can secure hygroscopicity and breathability and reduce the feeling of stuffiness of the user.
  • gloves are being used in daily life regardless of the season as part of measures against infectious diseases, apart from cold weather and hand protection in the workplace. For example, you can touch equipment that can be contacted by an unspecified number of people, such as door knobs and handrails, straps in trains, elevator buttons, automated teller machines (ATMs), and automatic ticket vending machines. Gloves are being used to avoid direct contact. In this case, the gloves should be operated with (1) a texture that does not cause stress even when worn during the rainy season or in the summer, and (2) electronic devices with a touch panel such as smartphones and tablets while wearing gloves. New characteristics not required for conventional gloves, such as operability that enables it, are required.
  • the present invention has been made in view of such a problem, and an object of the present invention is to provide a glove having a texture that can be worn even in the rainy season or summer, and operability of a touch panel device in the worn state. ..
  • the present inventors have found that the above-mentioned object can be realized by providing gloves made of a specific polyurethane foam, and complete the present invention. It came to. Specifically, the present invention provides the following.
  • the invention according to the first feature is formed of an elastic polyurethane foam, the elongation rate of the polyurethane foam is 200% or more, and the number of cells of the polyurethane foam is 40/25 mm or more and 110/25 mm or less.
  • the present invention provides gloves having a thickness of the polyurethane foam of 0.3 mm or more and 4 mm or less.
  • gloves are made of elastic polyurethane foam. Since the polyurethane foam has good elasticity with no directionality and an elongation rate of 200% or more, the glove and the hand can be in close contact with each other, and a gap between the glove and the hand is unlikely to occur. Further, since the polyurethane foam has good frictional resistance, the gloves are less likely to slip due to the frictional resistance at the place where they are in close contact with each other.
  • the number of cells of the polyurethane foam is 110 cells / 25 mm or less, it has good breathability.
  • the sweat of the wearer can be quickly absorbed and diffused into the polyurethane foam. Discomfort due to stickiness and wet feeling due to residual sweat on the skin surface can be suppressed, and excessive sweating can be suppressed. In addition, since it dries quickly, it is easy to vaporize the sweat absorbed by the polyurethane foam, and the heat of vaporization can effectively lower the surface temperature of the skin. Therefore, according to the invention according to the first feature, it is possible to prevent the wearer from feeling stuffy even when the gloves are worn for a long time during the rainy season or in the summer.
  • the gloves are made of polyurethane foam
  • a capacitance can be generated between the gloves and the touch panel. The generation of this capacitance allows the wearer to operate the touch panel, which reacts by energization of an electric current, while wearing gloves.
  • the thickness of the polyurethane foam is 4 mm or less, it can be applied to fine work with fingertips.
  • the invention according to the first feature, it is possible to provide gloves having a texture that can be worn even in the rainy season or in the summer, and operability of the touch panel device in the worn state.
  • the invention according to the second feature is an invention according to the first feature, and provides gloves that are smaller than the size of the target wearer's hand when unworn when unworn.
  • the elongation rate of the polyurethane foam constituting the glove is 200% or more, and the size of the glove when not worn is smaller than the size of the target wearer's hand.
  • the wearer puts on the glove the glove is always in a stretched state.
  • the elastic force that tries to contract causes the glove to come into close contact with the wearer's hand, improving the fit of the glove and creating a gap between the glove and the hand. Hateful.
  • the texture that does not feel stress even when worn in the rainy season or in the summer can be further enhanced.
  • the present invention it is possible to provide gloves having a texture that can be worn even in the rainy season or in the summer, and operability of a touch panel device in the worn state.
  • the gloves according to this embodiment are made of elastic polyurethane foam. Since the polyurethane foam has good elasticity with no directionality, the glove and the hand can be in close contact with each other, and a gap is unlikely to occur between the glove and the hand. This makes it possible to prevent bacteria, viruses, pollen and the like from entering through the gaps.
  • the size of the glove is smaller than the size of the target wearer's hand. For this reason, when the wearer wears the glove, the glove is always in a stretched state. When the glove is in a stretched state, the elastic force that tries to contract causes the glove to come into close contact with the wearer's hand, improving the fit of the glove and creating a gap between the glove and the hand. Hateful. Therefore, it is possible to prevent bacteria, viruses, pollen and the like from entering through the gap.
  • Polyurethane foam The type of the polyurethane foam having elasticity is not particularly limited, and may be either a polyether type or a polyester type. Of these, polyester-based gloves are preferable, and if polyester-based gloves are used, gloves can be manufactured by simply joining the peripheral edges of two glove halves, and an adhesive that is concerned about health is used during manufacturing. I don't need that.
  • Polyurethane foam has impermeable and permeable properties. Therefore, it is possible to prevent rainwater from entering the inside of the glove from the outside, and it is possible to effectively release the moisture due to the sweat of the wearer inside the glove to the outside of the glove.
  • the gloves are made of polyurethane foam, when the wearer comes into contact with a touch panel such as a smartphone or tablet, electrostatic capacity can be generated between the gloves and the touch panel. The generation of this capacitance allows the wearer to operate the touch panel, which reacts by energization of an electric current, while wearing gloves.
  • the gloves are made of polyurethane foam, they can be washed and reused, and the wearer can use the gloves in a clean state.
  • the polyurethane resin composition constituting the polyurethane foam may contain titanium oxide particles or ceramic particles.
  • the number of cells of the polyurethane foam is 40/25 mm or more and 110/25 mm or less, and in order to maintain the porosity of the polyurethane foam and ensure the breathability of the gloves, the polyurethane foam is post-processed with an ultraviolet absorber layer. It is not preferable to give it.
  • Titanium oxide particles and ceramic particles have the effect of absorbing and diffusely reflecting ultraviolet rays, and by containing the titanium oxide particles in the polyurethane resin composition, it is possible to impart an ultraviolet ray cut function (UV cut function) to gloves, and ultraviolet rays are attached. It is possible to reduce the amount that reaches the person's hands.
  • titanium oxide particles and ceramic particles have a function of blocking the transmission of ultraviolet rays and also blocking heat rays (infrared rays), so that a cooling effect is also expected.
  • the polyurethane-based resin composition constituting the polyurethane foam may contain known additives such as a cross-linking agent, a plasticizer, and a stabilizer (for example, an antioxidant, a UV stabilizer, etc.).
  • the cross-linking agent can connect the polymers to each other and enhance various physical properties such as mechanical properties and wear resistance of the polyurethane foam.
  • cross-linking agent examples include organic peroxides such as alkyl peroxides, aryl peroxides, peroxyesters, peroxycarbonates, diacyl peroxides, peroxyketals, and cyclic peroxides; vinyltrimethoxysilane and vinyltriethoxysilane. , Vinyltris (2-methoxyethoxy) silane, vinyltriacetoxysilane, vinylmethyldimethoxysilane, 3-methacryloyloxypropyltrimethoxysilane and other silane compounds.
  • Plasticizers are used to improve the flexibility and weather resistance of polyurethane foams. Since the polyurethane resin composition contains a plasticizer, the gloves can be made smooth to the touch, and is caused by an oxidation reaction due to sunlight, ultraviolet rays, rainwater, oxygen, and temperature changes in the morning, day, and night. It can prevent deformation, discoloration, deterioration, etc.
  • the plasticizer is not particularly limited, and for example, phthalates, non-aromatic dibasic acids, aliphatic esters, polyalkylene glycol esters, phosphoric acid esters, trimellitic acid esters, and chlorine. Examples thereof include chemical paraffins, hydrocarbon oils, process oils, polyethers, epoxy plasticizers, polyester plasticizers and the like, and phthalates are preferable.
  • Antioxidants are used to prevent weather resistance of polyurethane foam, especially deformation, discoloration and deterioration caused by rainwater and oxygen.
  • the antioxidant is not particularly limited, and examples thereof include compounds having an effect of suppressing oxidation of polymer chains such as thioether-based compounds, phosphorus-based antioxidants, and hindered phenol-based compounds.
  • UV stabilizer is used to prevent the weather resistance of polyurethane foam, particularly deformation, discoloration, deterioration and the like caused by sunlight and ultraviolet rays.
  • UV stabilizer include benzophenone, benzotriazole, aryl ester, oxanilide, acrylic acid ester, formamidine, carbon black, hindered amine, nickel quencher, hindered amine, phenol compound, metal salt, zinc compound, and a combination thereof. Be done.
  • the lower limit of the elongation rate of the polyurethane foam is 200% or more, preferably 250% or more, and more preferably 300% or more. If the elongation rate is too small, there is a risk that the gloves will be damaged, and there will be a gap between the wearer's hand and the glove when wearing it, and bacteria, viruses, pollen, etc. may enter through the gap. Therefore, it is not preferable.
  • the elongation rate of the polyurethane foam refers to the measured value measured according to JIS K6400-5: 2004 dumbbell No. 2 type).
  • the lower limit of the number of cells of the polyurethane foam is 40 cells / 25 mm or more, preferably 45 cells / 25 mm or more, more preferably 50 cells / 25 mm or more, and further preferably 55 cells / 25 mm or more. preferable. If the number of cells is too small, the diameter of the holes that make up the porous polyurethane foam is too large, which not only risks damaging the gloves, but also may not be able to absorb the wearer's sweat quickly and diffuse into the polyurethane foam. Therefore, it is not preferable. Further, if the number of cells is too small, particulate matter (PM10, suspended particulate matter, PM2.5, etc.) caused by pollen and air pollution may enter the inside of the glove, which is not preferable.
  • particulate matter PM10, suspended particulate matter, PM2.5, etc.
  • Appropriate hole diameters that make up the porous polyurethane foam not only reduce the risk of glove breakage, but also allow the wearer's sweat to be quickly absorbed and diffused into the polyurethane foam, leaving sweat on the skin surface. It is possible to suppress the discomfort caused by stickiness and wet feeling, and also to suppress excessive sweating. In addition, since it dries quickly, it is easy to vaporize the sweat absorbed by the polyurethane foam, and the heat of vaporization can effectively lower the surface temperature of the skin. Therefore, even if the wearer wears gloves for a long time during the rainy season or in the summer, it is possible to prevent the wearer from feeling stuffy.
  • particulate matter (PM10, suspended particulate matter, PM2.5, etc.) caused by pollen and air pollution will not get inside the gloves. Can be prevented.
  • the number of glove wearers is unspecified, such as doorknobs, handrails, straps in trains, elevator buttons, automated teller machines, automatic ticket vending machines, etc., without touching bacteria or viruses directly. When people touch equipment that they may come in contact with, they can avoid direct contact with bacteria and viruses.
  • the strength of the glove is not sufficient and the glove may be torn during use, which is not preferable.
  • the upper limit of the number of cells of the polyurethane foam is 80 cells / 25 mm or less, preferably 70 cells / 25 mm or less, and more preferably 65 cells / 25 mm or more. If the number of cells is too large, the diameter of the holes constituting the porous polyurethane foam is too small, good air permeability cannot be ensured, and the wearer may not be able to reduce the feeling of stuffiness, which is not preferable.
  • the number of cells of the polyurethane foam means the measured value measured according to JIS K640-1: 2004 Annex 1 (reference).
  • the lower limit of the thickness of the polyurethane foam is 0.3 mm or more, preferably 0.5 mm or more, more preferably 0.5 mm or more, and further preferably 1 mm or more. If the polyurethane foam is too thin, it may not be able to absorb the wearer's sweat quickly and diffuse into the polyurethane foam, which is not preferable. When the thickness of the polyurethane foam is appropriate, the wearer's sweat can be quickly absorbed and diffused into the polyurethane foam, so that the discomfort caused by the stickiness and wet feeling caused by the sweat remaining on the skin surface can be suppressed, and the excess. Can suppress sweating.
  • the wearer may not be able to easily wear the gloves, and the gloves may break during wearing, which is not preferable.
  • the upper limit of the thickness of the polyurethane foam is 4 mm or less, more preferably 2 mm or less. If the polyurethane foam is too thick, the wearer may not be able to perform the fine work of the fingertips, and it is bulky and unwieldy. In addition, the response of the touch panel becomes slow and the manufacturing cost of gloves increases, which is not preferable.
  • the lower limit of the tensile strength of the polyurethane foam is 120 kPa or more, preferably 150 kPa or more. Since the polyurethane foam has sufficient tensile strength, it is possible to prevent the gloves from tearing during use.
  • the tensile strength of the polyurethane foam means a measured value measured according to JIS K6400-5.
  • the polyurethane foam according to the present embodiment is produced by mixing a polyurethane raw material and a foaming gas, stirring the mixture, heating the mixture, and reacting a polyol component with a polyisocyanate component to cure the mixture.
  • the polyurethane raw material is supplied into the chamber, and the foaming gas is also supplied into the chamber, and the mixture is stirred by a stirrer such as an oak mixer or a hobart mixer to mix gas and liquid. At this time, bubbles are formed in the gas-liquid mixture. Then, this gas-liquid mixture is discharged in the molding die or on the carrier film.
  • the gas-liquid mixture is heated to a required temperature, and the polyol component and the polyisocyanate component are reacted and cured to complete the polyurethane foam.
  • the gas-liquid mixture is discharged into the mold, it is cooled and then removed from the mold to obtain a polyurethane foam having a predetermined shape.
  • the carrier film is removed after cooling, and the obtained foam sheet is punched out to obtain a polyurethane foam having a predetermined shape.
  • Polyurethane foam has good elasticity with no directionality, an elongation rate of 200% or more, and the size of gloves when not worn is smaller than the size of the target wearer's hand.
  • the wearer puts on the glove the glove is always in a stretched state.
  • the elastic force that tries to contract causes the glove to come into close contact with the wearer's hand, improving the fit of the glove and creating a gap between the glove and the hand. Hateful.
  • the polyurethane foam has good frictional resistance, the gloves are less likely to slip due to the frictional resistance at the place where they are in close contact with each other.
  • the cell membrane is removed, the polyurethane foam has a three-dimensional network structure.
  • the number of cells of the polyurethane foam is 110 cells / 25 mm or less, it has good breathability.
  • the sweat of the wearer can be quickly absorbed and diffused into the polyurethane foam. Discomfort due to stickiness and wet feeling due to residual sweat on the skin surface can be suppressed, and excessive sweating can be suppressed. In addition, since it dries quickly, it is easy to vaporize the sweat absorbed by the polyurethane foam, and the heat of vaporization can effectively lower the surface temperature of the skin. Therefore, according to the gloves described in the present embodiment, it is possible to prevent the wearer from feeling stuffy even when the gloves are worn for a long time during the rainy season or in the summer.
  • the gloves are made of polyurethane foam
  • a touch panel such as a smartphone or tablet
  • electrostatic capacity can be generated between the gloves and the touch panel.
  • the generation of this capacitance allows the wearer to operate the touch panel, which reacts by energization of an electric current, while wearing gloves.
  • the thickness of the polyurethane foam is 4 mm or less, it can be applied to fine work with fingertips.
  • UV-cutting functionality such as the polyurethane resin composition constituting the polyurethane foam containing titanium oxide particles and ceramic particles, it is possible to prevent the wearer's hands from getting sunburned. ..
  • the wearer can prevent the surface of his hand from drying out by wearing gloves in a low humidity environment such as a room with low humidity in winter or a room with air conditioning in summer. can.
  • the wearer can also apply hand cream to the back of the hand and the palm of the hand and go to bed while wearing gloves.
  • the elastic polyurethane foam was cut into a sheet having a thickness of 1.5 mm, and two glove halves were formed by punching from this sheet. By stacking two pieces of this glove half body and joining the peripheral edges, the glove according to the embodiment was obtained.
  • the elongation rate of the polyurethane foam was 200% or more, the number of cells was 70 cells / 25 mm or more, and the tensile strength was 150 kPa or more.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Gloves (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un gant qui a une texture pouvant être portée même pendant la saison des pluies ou l'été, et permet à un dispositif de panneau tactile d'être facilement manipulé lorsqu'il est porté. À cet effet, la présente invention porte sur un gant qui est formé d'une mousse de polyuréthane ayant une élasticité, la mousse de polyuréthane ayant un taux d'allongement d'au moins 200 %, le nombre de cellules de la mousse de polyuréthane est de 40/25 mm à 110/25 mm, et l'épaisseur de la mousse de polyuréthane est de 0,3 mm à 4 mm. Il est préférable que lorsque le gant est étalé tandis qu'il n'est pas porté, la taille du gant soit inférieure à la taille d'une main d'un porteur qui doit porter le gant.
PCT/JP2020/036633 2020-09-28 2020-09-28 Gant WO2022064694A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/036633 WO2022064694A1 (fr) 2020-09-28 2020-09-28 Gant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/036633 WO2022064694A1 (fr) 2020-09-28 2020-09-28 Gant

Publications (1)

Publication Number Publication Date
WO2022064694A1 true WO2022064694A1 (fr) 2022-03-31

Family

ID=80845090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/036633 WO2022064694A1 (fr) 2020-09-28 2020-09-28 Gant

Country Status (1)

Country Link
WO (1) WO2022064694A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3052982U (ja) * 1998-03-02 1998-10-13 ダイヤ製薬株式会社 ハンドパック
JP2013100629A (ja) * 2011-10-14 2013-05-23 Sumitomo Rubber Ind Ltd 手袋
JP2019127537A (ja) * 2018-01-25 2019-08-01 株式会社Ｉｔｏ Ｐｒｏ 安定な除膜発泡ポリウレタン成形体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3052982U (ja) * 1998-03-02 1998-10-13 ダイヤ製薬株式会社 ハンドパック
JP2013100629A (ja) * 2011-10-14 2013-05-23 Sumitomo Rubber Ind Ltd 手袋
JP2019127537A (ja) * 2018-01-25 2019-08-01 株式会社Ｉｔｏ Ｐｒｏ 安定な除膜発泡ポリウレタン成形体

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