WO2021054129A1 - 湿気硬化型ポリウレタン樹脂組成物、接着剤、及び、積層体 - Google Patents
湿気硬化型ポリウレタン樹脂組成物、接着剤、及び、積層体 Download PDFInfo
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- WO2021054129A1 WO2021054129A1 PCT/JP2020/033356 JP2020033356W WO2021054129A1 WO 2021054129 A1 WO2021054129 A1 WO 2021054129A1 JP 2020033356 W JP2020033356 W JP 2020033356W WO 2021054129 A1 WO2021054129 A1 WO 2021054129A1
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
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- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4202—Two or more polyesters of different physical or chemical nature
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C09J7/00—Adhesives in the form of films or foils
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/32—Water-activated adhesive, e.g. for gummed paper
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/358—Applications of adhesives in processes or use of adhesives in the form of films or foils for garments and textiles
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- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
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- C09J2475/00—Presence of polyurethane
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/068—Polyurethanes
Definitions
- the present invention relates to a moisture-curable polyurethane resin composition, an adhesive, and a laminate.
- An object to be solved by the present invention is to provide a moisture-curable polyurethane resin composition which uses a biomass raw material and has excellent adhesiveness to a cloth (particularly, a water-repellent cloth) and film strength.
- the present invention comprises a polyester polyol (a1) made from a biomass-derived polybasic acid (x) and a biomass-derived glycol (y) as raw materials, a polyol (A) containing another polyester polyol (a2), and a polyol (A). It provides a moisture-curable polyurethane hot melt resin composition containing a urethane prepolymer (i) having an isocyanate group, which is a reaction product of polyisocyanate (B).
- sebacic acid As the other basic acid (x) derived from the biomass, sebacic acid, succinic acid, dimer acid, 2,5-furandicarboxylic acid and the like can be used. These compounds may be used alone or in combination of two or more.
- sebacic acid for example, one obtained by a known cleavage reaction of a vegetable oil such as castor oil with a caustic alkali can be used.
- succinic acid for example, corn, sugar cane, cassava, sago palm and the like fermented by a known method can be used.
- dimer acid for example, unsaturated fatty acids of plant-derived natural fats and oils fatty acids can be used as dimers obtained by a known method.
- 2,5-furandicarboxylic acid for example, those using fructose as a raw material; those obtained by a known method using furfural derivatives furfural acid and carbon dioxide can be used.
- sebacic acid and / or succinic acid are preferable, and sebacic acid is more preferable, from the viewpoint of obtaining even more excellent adhesion to the dough. ..
- biomass-derived glycol (y) examples include ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,10-decanediol, dimerdiol, and isosorbide. Can be used. These compounds may be used alone or in combination of two or more.
- ethylene glycol for example, one obtained from bioethanol obtained by a known method via ethylene can be used.
- 1,2-propanediol for example, one obtained by fermentation of saccharides; one obtained by high-temperature hydrogenation of glycerin produced as a by-product of biodiesel by a known method can be used. it can.
- 1,3-propadiol include those obtained by producing 3-hydroxypropionaldehyde from glycerol, glucose, and other sugars by a known fermentation method, and then further converting to 1,3-propanediol; glucose and other substances. Those obtained directly from sugars by a fermentation method can be used.
- Examples of the 1,4-butanediol include glucose obtained by a known fermentation method; obtained from 1,3-butadiene obtained by a fermentation method; succinic acid hydrogenated with a reduction catalyst. It is possible to use the obtained product.
- the 1,10-decanediol for example, one obtained by hydrogenating sebacic acid directly or after an esterification reaction can be used.
- the dimer diol one obtained by reducing dimer acid by a known method or the like can be used.
- As the isosorbide for example, one obtained by dehydrating and condensing sorbitol obtained from starch by a known method can be used.
- the number average molecular weight of the polyester polyol (a1) is preferably in the range of 500 to 100,000, preferably in the range of 700 to 50,000, from the viewpoint of obtaining even more excellent film strength and adhesiveness to the fabric. Is more preferable, and the range of 800 to 10,000 is even more preferable.
- the number average molecular weight of the polyester polyol (a1) indicates a value measured by a gel permeation chromatography (GPC) method.
- the usage rate of the amorphous polyester polyol (A-3) is 20 to 80 in the polyol (A) from the viewpoint of obtaining even more excellent adhesiveness to the fabric, film strength, and film forming property.
- the range of mass% is preferable, and the range of 30 to 70 mass% is more preferable.
- the hot-melt urethane prepolymer (i) is obtained by reacting the polyol (A) with the polyisocyanate (B), and is coated with an air- or moisture-curable polyurethane hot-melt resin composition. It has an isocyanate group that can react with the water present in the base material to form a crosslinked structure.
- the polyisocyanate (B) is placed in a reaction vessel containing the polyol (A), and the isocyanate group contained in the polyisocyanate (B) is used. It can be produced by reacting with the hydroxyl group of the polyol (A) under an excessive condition.
- additives examples include light-resistant stability, curing catalyst, tackifier, plasticizer, stabilizer, filler, dye, pigment, fluorescent whitening agent, silane coupling agent, wax, thermoplastic resin and the like. Can be used. These additives may be used alone or in combination of two or more.
- the laminate of the present invention has at least the dough (i) and a cured product of the moisture-curable polyurethane hot-melt resin composition.
- the fabric (i) examples include polyester fiber, polyethylene fiber, nylon fiber, acrylic fiber, polyurethane fiber, acetate fiber, rayon fiber, polylactic acid fiber, cotton, linen, silk, wool, glass fiber, carbon fiber, and the like.
- Fiber base material such as non-woven fabric, woven fabric, knitting, etc. made of blended fibers of the above; the non-woven fabric impregnated with a resin such as polyurethane resin; the non-woven fabric further provided with a porous layer; the resin base material, etc. Can be done.
- the present invention exhibits excellent adhesiveness even if the above-mentioned fabric (i) is subjected to a water-repellent treatment (hereinafter, abbreviated as "water-repellent fabric”).
- water-repellent fabric a water-repellent treatment
- the "water repellency" of the water-repellent fabric means that the surface free energy obtained by the following calculation is 50 mJ / m 2 or less.
- Example 2 instead of the bio-PEs (1), a reaction product of a biomass polyester polyol (sebacic acid (“sebacic acid” manufactured by Toyokuni Oil Co., Ltd.) and 1,4-butanediol (“Bio-BDO” manufactured by Jenomatica)), number average.
- a moisture-curable polyurethane hot melt resin composition was obtained in the same manner as in Example 1 except that the molecular weight was 2,000, hereinafter abbreviated as “bioPEs (2)”).
- the obtained processed cloth was cut to a width of 1 inch, and the peel strength (N / inch) between the moisture permeable film and the cloth was measured using "Autograph AG-1" manufactured by Shimadzu Corporation.
- the moisture-curable polyurethane hot-melt resin composition of the present invention has a high degree of biomass, excellent film strength, and adhesiveness to a fabric. In particular, it was found that it has excellent adhesiveness to water-repellent fabrics and superhydrophobic fabrics.
- Comparative Example 1 Although the biomass raw material was not used, the adhesiveness to the superhydrophobic fabric was poor.
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
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- Polyurethanes Or Polyureas (AREA)
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Abstract
Description
(1+cosA)・γL/2=(γsd・γLd)1/2+(γsp・γLp)1/2
γL;測定用液の表面張力
γLd;測定用液の表面自由エネルギーの分散力成分
γLp;測定用液の表面自由エネルギーの極性力成分
γsd;生地(i)の表面自由エネルギーの分散力成分
γsp;生地(i)の表面自由エネルギーの極性力成分
温度計、撹拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、バイオマスポリエステルポリオール(セバシン酸(豊国製油株式会社製「セバシン酸」)と1,3-プロパンジオール(Dupont社製「SUSTERRA プロパンジオール」)との反応物、数平均分子量;2,000、以下「バイオPEs(1)」と略記する。)40質量部、非晶性ポリエステルポリオール(無水フタル酸、ジエチレングリコール、及び、ネオペンチルグリコールの反応物、数平均分子量;1,000、以下「非晶性PEs」)40質量部を仕込み、110℃にて減圧乾燥して、水分量が0.05質量%以下となるまで脱水した。次いで、60℃に冷却後、ジフェニルメタンジイソシアネート(以下、「MDI」と略記する。)27質量部加え、110℃まで昇温し、イソシアネート基含有量が一定となるまで2時間反応することで、湿気硬化型ポリウレタンホットメルト樹脂組成物を得た。
前記バイオPEs(1)に代え、バイオマスポリエステルポリオール(セバシン酸(豊国製油株式会社製「セバシン酸」)と1,4-ブタンジオール(Jenomatica社製「Bio-BDO」)との反応物、数平均分子量;2,000、以下「バイオPEs(2)」と略記する。)を用いた以外は、実施例1と同様にして湿気硬化型ポリウレタンホットメルト樹脂組成物を得た。
前記バイオPEs(1)に代え、バイオマスポリエステルポリオール(コハク酸(SUCCINITY社製「コハク酸」)と1,3-プロパンジオールDupont社製「SUSTERRA プロパンジオール」)との反応物、数平均分子量;2,000、以下「バイオPEs(3)」と略記する。)を用いた以外は、実施例1と同様にして湿気硬化型ポリウレタンホットメルト樹脂組成物を得た。
温度計、撹拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ポリエステルポリオール(無水フタル酸と1,6-ヘキサンジオール(以上、石油系)との反応物、数平均分子量;2,000、以下「RPEs(1)」と略記する。)40質量部、非晶性PEs40質量部を仕込み、110℃にて減圧乾燥して、水分量が0.05質量%以下となるまで脱水した。次いで、60℃に冷却後、MDIを27質量部加え、110℃まで昇温し、イソシアネート基含有量が一定となるまで2時間反応することで、湿気硬化型ポリウレタンホットメルト樹脂組成物を得た。
実施例及び比較例で用いたポリオールの数平均分子量は、ゲル・パーミエーション・クロマトグラフィー(GPC)法により、下記の条件で測定した値を示す。
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A-500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A-2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F-1」
東ソー株式会社製「TSKgel 標準ポリスチレン F-2」
東ソー株式会社製「TSKgel 標準ポリスチレン F-4」
東ソー株式会社製「TSKgel 標準ポリスチレン F-10」
東ソー株式会社製「TSKgel 標準ポリスチレン F-20」
東ソー株式会社製「TSKgel 標準ポリスチレン F-40」
東ソー株式会社製「TSKgel 標準ポリスチレン F-80」
東ソー株式会社製「TSKgel 標準ポリスチレン F-128」
東ソー株式会社製「TSKgel 標準ポリスチレン F-288」
東ソー株式会社製「TSKgel 標準ポリスチレン F-550」
実施例及び比較例で得られた湿気硬化型ポリウレタンホットメルト樹脂組成物を100℃で溶融した後に、グラビアロールコーター(40L/inch、130depth、付量;10g/m2)を使用して透湿フィルム(株式会社加平製「VENTEX」)上に塗工し、以下の3種類の生地とそれぞれ貼り合わせ、温度23℃、湿度50%の雰囲気下で2日間放置して加工布を得た。
生地(1);非撥水生地(表面自由エネルギー;50mJ/m2を超えるもの。)
生地(2);撥水生地(表面自由エネルギー;10~50mJ/m2の範囲のもの。)
生地(3);超撥水生地(表面自由エネルギー;10mJ/m2の下回るのもの。)
実施例及び比較例で得られた湿気硬化型ポリウレタンホットメルト樹脂組成物を100℃で溶融した後に、ロールコーターを使用して、厚さ100μmとなるように塗工し、温度23℃、湿度50%の雰囲気下で2日間放置してフィルムを得た。得られたフィルムを、幅5mm、長さ50mmの短冊状に裁断し、引張試験機「オートグラフAG-I」(株式会社島津製作所製)を用いて、温度23℃の雰囲気下で、クロスヘッドスピード10mm/秒の条件で引張り、抗張力(MPa)を測定し、以下のように評価した。
「T」:抗張力が20MPa以上である。
「F」:抗張力が20MPa未満である。
・「13PD」;1,3-プロパンジオール(Dupont社製「SUSTERRA プロパンジオール」)
・「14BD」;1,4-ブタンジオール(Jenomatica社製「Bio-BDO」)
Claims (8)
- バイオマス由来の多塩基酸(x)とバイオマス由来のグリコール(y)とを原料とするポリエステルポリオール(a1)、及び、その他のポリエステルポリオール(a2)を含むポリオール(A)、及び、ポリイソシアネート(B)の反応物である、イソシアネート基を有するウレタンプレポリマー(i)を含有することを特徴とする湿気硬化型ポリウレタンホットメルト樹脂組成物。
- 前記バイオマス由来の多塩基酸(x)が、セバシン酸、及び/又は、コハク酸である請求項1記載の湿気硬化型ポリウレタンホットメルト樹脂組成物。
- 前記バイオマス由来のグリコール(y)が、1,3-プロパンジオール、及び/又は、1,4-ブタンジオールである請求項1又は2記載の湿気硬化型ポリウレタンホットメルト樹脂組成物。
- 前記その他のポリエステルポリオール(a2)が、非晶性ポリエステルポリオールである請求項1~3のいずれか1項記載の湿気硬化型ポリウレタンホットメルト樹脂組成物。
- バイオマス度が、40%以上である請求項1~4のいずれか1項記載の湿気硬化型ポリウレタンホットメルト樹脂組成物。
- 請求項1~5のいずれか1項記載の湿気硬化型ポリウレタンホットメルト樹脂組成物を含有することを特徴とする接着剤。
- 少なくとも、生地(i)、及び、請求項1~5のいずれか1項記載の湿気硬化型ポリウレタンホットメルト樹脂組成物の硬化物を有することを特徴とする積層体。
- 前記生地(i)が、撥水性生地である請求項7記載の積層体。
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WO2023091919A1 (en) * | 2021-11-16 | 2023-05-25 | H.B. Fuller Company | Sustainable reactive hot melt adhesive compositions |
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US20220341090A1 (en) * | 2019-09-20 | 2022-10-27 | Dic Corporation | Moisture-permeable waterproof fabric |
TWI836831B (zh) * | 2022-12-30 | 2024-03-21 | 臺灣永光化學工業股份有限公司 | 濕氣固化型熱熔膠組成物及其用途 |
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