Abstract: Disclosed is a hot melt adhesive comprising: (A) a copolymer of ethylene with an olefin having 3 to 20 carbon atoms; (B) an ethylene-carboxylic acid ester copolymer; and (C) a tackifying resin, wherein the (B) ethylene-carboxylic acid ester copolymer comprises (B1) an ethylene-(meth)acrylic acid ester copolymer containing a structural unit derived from the (meth)acrylic acid ester in an amount of 2 to 24% by mass.

Abstract: Disclosed is a hot melt adhesive comprising: (A) a copolymer of ethylene with an olefin having 3 to 20 carbon atoms; (B) a copolymer of ethylene with a carboxylic acid derivative having an ethylenic double bond; and (C) a tackifying resin, wherein the (B) copolymer of ethylene with a carboxylic acid derivative having an ethylenic double bond comprises (B1) a copolymer of ethylene with a (meth)acrylic acid derivative, which copolymer (B1) has a melt flow rate of 1 to 38 g/10 min.

Abstract: The object of the present invention is to provide an alkali-dispersible hot melt pressure-sensitive adhesive which (i) has a high alkali-dispersibility, (ii) is excellent in strength to retain the label, (iii) hardly causes an adhesive residue problem and (iv) is capable of reducing stringing. The present invention relates to an alkali-dispersible hot melt pressure-sensitive adhesive comprising: (A) a thermoplastic block copolymer which is a copolymer of a vinyl-based aromatic hydrocarbon and a conjugated diene compound, (B) a tackifier resin and (C) at least one selected from the group consisting of a fatty acid and a derivative thereof, wherein the thermoplastic block copolymer (A) comprises (A1) a styrene-based block copolymer having a styrene content of less than 40 mass % and the tackifier resin (B) comprises an ?-methylstyrene-based resin.

Abstract: The object of the present invention is to provide an alkali-dispersible hot melt pressure-sensitive adhesive which (i) has a high alkali-dispersibility, (ii) is excellent in strength to retain a label, (iii) hardly causes an adhesive residue problem and (iv) is capable of reducing stringing. The present invention relates to an alkali-dispersible hot melt pressure-sensitive adhesive comprising: (A) a thermoplastic block copolymer which is a copolymer of a vinyl-based aromatic hydrocarbon and a conjugated diene compound, (B) a tackifier resin and (C) at least one selected from the group consisting of a fatty acid and a derivative thereof, wherein the component (C) comprises (C1) a fatty acid derivative having a melting point of 40° C. or more.

Abstract: The object of the present invention is to provide a moisture-curable hot melt adhesive having high initial adhesive strength, long open time, excellent coating property and reduced stringing property. The present invention relates to a moisture-curable hot melt adhesive comprising (A) a urethane prepolymer having a terminal isocyanate group, (B) a metallocene-based polyolefin having a viscosity of 10,000 mPa·s or less at a temperature of 170° C. and (C) a polyester-polyether copolymer.

Abstract: Objective of the invention is to provide a hot-melt adhesive excellent in thermal resistance, good in adhesiveness over a wide range from low temperature to high temperature, and also excellent in thermal stability. Means for solving the problem is a hot-melt adhesive comprising an olefin copolymer (A), a tackifying resin (B) and a wax (C), wherein the olefin copolymer (A) comprises a metallocene-type ethylene/?-olefin copolymer (A1) having a melting point of 100 to 140° C.

Abstract: The problem of the invention is to provide a hot-melt adhesive having reduced thread formation at the time of applying, excellent thermal resistance and thermal stability after bonding. The means for solving the problem is a hot-melt adhesive comprising a copolymer of ethylene and olefins having 3 to 20 carbon atoms (A), a copolymer of ethylene and carboxylate esters having ethylenically double bonds (B), a tackifying resin (C) and a wax (D), wherein the copolymer of ethylene and olefins having 3 to 20 carbon atoms (A) comprises a metallocene-type propylene/ethylene copolymer (A1).

Abstract: An adhesive sheet comprising a hot-melt adhesive layer. The hot-melt type adhesive layer comprises a modified polymer (A) to which a cross-linkable group is bonded and a polyolefin (B). The adhesive sheet can adhere to various adherends and the adhesive becomes less likely to squeeze out from an adherend in thermal fusion bonding and sealing of the adherend. In a laminate comprising the adhesive sheet the adhesive layer does not squeeze out from the adherend without being affected by the material of the adherend.

Abstract: Disclosed is a urethane adhesive comprising a urethane resin obtained by blending a polyol with an isocyanate compound; a plasticizer; and a stabilizing agent, wherein the polyol comprises a polyether polyol, and the plasticizer comprises a castor oil based compound. Releasability of the adhesive does not degrade even though the adhesive is kept under a severe condition such as at a high temperature and at a high humidity, and the adhesive is excellent in compatibility with regard to the plasticizer and the stabilizing agent. Since the urethane adhesive is excellent in releasability with regard to a glass plate, a polarizer for liquid crystal displays and so on, it is useful as an adhesive for surface protective films which are used for windowpanes, mobile phones and the like.

Abstract: Objective: To provide a moisture-curable hot-melt adhesive agent having excellent balance of initial adhesive strength, adhesive strength after curing and heat resistance and the like, and a layered product bonded with the moisture-curable hot-melt adhesive agent. Means for solving the problem: A moisture-curable hot-melt adhesive agent comprising an urethane prepolymer having an isocyanate group at the end (A), a styrene based block copolymer (B), and a tackifying resin (C), wherein the styrene based block copolymer (B) comprises a styrene based block copolymer having 10 to 35% by weight of a styrene content (B1) and a styrene based block copolymer having 40 to 70% by weight of a styrene content (B2).

Abstract: To provide a moisture-curable hot-melt adhesive agent having excellent balance of initial adhesive strength, adhesive strength after curing and heat resistance and the like, and a layered product bonded with the moisture-curable hot-melt adhesive agent. Means for solving the problem: A moisture-curable hot-melt adhesive agent comprising an urethane prepolymer having an isocyanate group at the end (A), a styrene-isoprene based block copolymer (B), and a tackifying resin (C), wherein the moisture-curable hot-melt adhesive agent comprises 25 to 64% by weight of (A), based on 100 parts by weight in total of (A) and (B).

Abstract: There are provided a moisture curable hot melt adhesive excellent in balance among initial adhesion strength, post curing adhesion strength and heat resistance, and a layered product formed by bonding with that moisture curable hot melt adhesive agent. The moisture-curable hot melt adhesive comprises a urethane prepolymer having an isocyanate group at the end (A), a styrene based block copolymer (B), and an urethane modified rosin (C), wherein the urethane modified rosin (C) is a reaction product of a rosin derivative having hydroxyl group and an isocyanate compound.

Abstract: The object of the present invention is to provide a hot melt adhesive which is less likely to cause stringing, and has excellent thermal stability and adhesion, in particular adhesion to a paper material. The present invention relates to a hot melt adhesive comprising: (A) an olefin-based polymer, (B) a butyral resin, (C) at least one selected from the group consisting of a fatty acid and a derivative thereof, and (D) a tackifier resin.

Abstract: Disclosed is a urethane adhesive comprising a urethane polyol, a polyisocyanate, a plasticizer, and a stabilizing agent, wherein the urethane polyol is a polymer of a polyethylene glycol and a polypropylene glycol with an isocyanate monomer, and the plasticizer comprises a castor oil-based compound. With regard to the adhesive, an adhesive layer formed on a substrate (for example, a plastic) is excellent in wettability to a surface of an adherend (preferably glass) and releasability is sufficiently maintained even when exposed to a condition of a high temperature and/or a high humidity for a long time, and also each component is excellent in compatibility. An adhesive film coated with the urethane adhesive is also provided.

Abstract: The object of the present invention is to provide a hot melt adhesive which is less likely to cause stringing and has excellent thermal stability, and further has excellent adhesion, in particular adhesion to a paper substrate. The present invention relates to a hot melt adhesive comprising: (A) a polar functional group-modified polymer, (B) a butyral resin, (C) an olefin-based polymer, and (D) a tackifier resin.

Abstract: The object of the present invention is to provide a hot melt adhesive which is less likely to cause stringing and has excellent thermal stability, and further has excellent adhesion, in particular adhesion to a paper substrate. The present invention relates to a hot melt adhesive comprising: (A) a polar functional group-modified polymer, (B) a butyral resin, (C) an olefin-based polymer, and (D) a tackifier resin.

Abstract: The object of the present invention is to provide a moisture-curable hot melt adhesive having high initial adhesive strength, long open time, excellent coating property and reduced stringing property. The present invention relates to a moisture-curable hot melt adhesive comprising (A) a urethane prepolymer having a terminal isocyanate group, (B) a metallocene-based polyolefin having a viscosity of 10,000 mPa·s or less at a temperature of 170° C. and (C) a polyester-polyether copolymer.

Abstract: The object of the present invention is to provide a hot melt adhesive which is less likely to cause stringing and has excellent thermal stability, and further has excellent adhesion, in particular adhesion to a paper substrate. The present invention relates to a hot melt adhesive comprising: (A) a polar functional group-modified polymer, (B) a butyral resin, (C) an olefin-based polymer, and (D) a tackifier resin.

Abstract: An object of the present invention is to provide a hot melt adhesive being environmentally-friendly, having excellent adhesion property to various substrates such as paper substrate and polyolefin substrate, as well having excellent thermal stability. The present invention relates to a hot melt adhesive comprising: (A) a polar functional group-modified polymer, (B) an aliphatic polyester-based resin, (C) an olefin-based polymer, and (D) a tackifier resin.

Abstract: Disclosed is a urethane adhesive comprising a urethane resin obtained by blending a polyol with an isocyanate compound; a plasticizer; and a stabilizing agent, wherein the polyol comprises a polyether polyol, and the plasticizer comprises a castor oil based compound. Releasability of the adhesive does not degrade even though the adhesive is kept under a severe condition such as at a high temperature and at a high humidity, and the adhesive is excellent in compatibility with regard to the plasticizer and the stabilizing agent. Since the urethane adhesive is excellent in releasability with regard to a glass plate, a polarizer for liquid crystal displays and so on, it is useful as an adhesive for surface protective films which are used for windowpanes, mobile phones and the like.