Abstract: A gel composition is a gel composition containing a base oil (a) and a hydrogenated block copolymer (b), wherein the hydrogenated block copolymer (b) is a hydrogenated product of a diblock copolymer composed of a polymer block (A) consisting mainly of a structural unit derived from an aromatic vinyl compound and a polymer block (B) consisting mainly of a structural unit derived from a conjugated diene compound, the content of the polymer block (A) in the hydrogenated block copolymer (b) being 38.0 to 45.0% by mass; and the content of the hydrogenated block copolymer (b) in the gel composition is 1 to 20 parts by mass based on 100 parts by mass of the total amount of the base oil (a) and the hydrogenated block copolymer (b).

Abstract: The present invention is a thermoplastic polymer composition which contains 10-120 parts by mass of a polar group-containing polypropylene resin (B) per 100 parts by mass of a thermoplastic elastomer (A) that is a block copolymer having a polymer block containing an aromatic vinyl compound unit and a polymer block composed of a conjugated diene unit having 40% by mole or more of 1,2-bonds and 3,4-bonds in total, or a hydrogenated product of the block copolymer (provided that a thermoplastic polymer composition containing 1 part by mass or more of a polyvinyl acetal resin is excluded). This thermoplastic polymer composition is able to be bonded with a ceramic, a metal or a synthetic resin without requiring a primer treatment, and has excellent flexibility, mechanical characteristics, moldability, heat resistance and storage stability.

Abstract: The present invention is a thermoplastic polymer composition which contains 10-120 parts by mass of a polar group-containing polypropylene resin (B) per 100 parts by mass of a thermoplastic elastomer (A) that is a block copolymer having a polymer block containing an aromatic vinyl compound unit and a polymer block composed of a conjugated diene unit having 40% by mole or more of 1,2-bonds and 3,4-bonds in total, or a hydrogenated product of the block copolymer (provided that a thermoplastic polymer composition containing 1 part by mass or more of a polyvinyl acetal resin is excluded). This thermoplastic polymer composition is able to be bonded with a ceramic, a metal or a synthetic resin without requiring a primer treatment, and has excellent flexibility, mechanical characteristics, moldability, heat resistance and storage stability.

Abstract: A thermoplastic polymer composition which is excellent in flexibility, mechanical properties, moldability, and particularly in heat resistance and is capable of adhering to ceramics, metals, and synthetic resins even at low temperature (for example, 190° C. or lower) without the treatment with a primer, and a molded product produced by using the thermoplastic polymer composition are described. The thermoplastic polymer composition includes 100 parts by mass of a thermoplastic elastomer (A), 1 to 100 parts by mass of a polyvinyl acetal resin (B), and 5 to 100 parts by mass of a polar group-containing polypropylene resin (C).

Abstract: A thermoplastic polymer composition which is excellent in flexibility, mechanical properties, and moldability and is capable of adhering to ceramics, metals, and synthetic resins even by heat treatment at a low temperature (for example, 190° C. or lower) without the treatment with a primer, and a molded product obtained by using the thermoplastic polymer composition. The thermoplastic polymer composition includes 100 parts by mass of a thermoplastic elastomer (A), 1 to 100 parts by mass of a polyvinyl acetal resin (B), 5 to 100 parts by mass of a polar group-containing olefin-based copolymer (C), and 0.1 to 300 parts by mass of a softener (D). The thermoplastic elastomer (A) is a block copolymer which has a polymer block constituted by aromatic vinyl compound units and a polymer block constituted by conjugated diene units or a hydrogenated product of the block copolymer.

Abstract: The invention provides a thermoplastic polymer composition containing a hydrogenated block copolymer mixture (a), a polyvinyl acetal (b), and a thermoplastic elastomer (c), wherein the hydrogenated block copolymer mixture (a) contains a hydrogenated block copolymer (a1) containing hydrogenated polymer blocks (A1) containing aromatic vinyl units and hydrogenated polymer blocks (B1) containing conjugated diene units and a hydrogenated block copolymer (a2) containing hydrogenated polymer blocks (A2) containing aromatic vinyl units and hydrogenated polymer blocks (B2) containing conjugated diene units; (A1) content is 5 mass % or higher and lower than 40 mass % in (a1); (A2) content is 40 mass % to 70 mass % in (a2); the polyvinyl acetal (b) has been produced through acetalization of a polyvinyl alcohol; and the thermoplastic elastomer (c) contains hydrogenated polymer blocks (A3) containing aromatic vinyl units, hydrogenated polymer blocks (B3) containing conjugated diene units, and polymer blocks having a polar

Abstract: The present invention is a thermoplastic polymer composition which contains 10-120 parts by mass of a polar group-containing polypropylene resin (B) per 100 parts by mass of a thermoplastic elastomer (A) that is a block copolymer having a polymer block containing an aromatic vinyl compound unit and a polymer block composed of a conjugated diene unit having 40% by mole or more of 1,2-bonds and 3,4-bonds in total, or a hydrogenated product of the block copolymer (provided that a thermoplastic polymer composition containing 1 part by mass or more of a polyvinyl acetal resin is excluded). This thermoplastic polymer composition is able to be bonded with a ceramic, a metal or a synthetic resin without requiring a primer treatment, and has excellent flexibility, mechanical characteristics, moldability, heat resistance and storage stability.

Abstract: A thermoplastic polymer composition which is excellent in flexibility, mechanical properties, and moldability and is capable of adhering to ceramics, metals, and synthetic resins even by heat treatment at a low temperature (for example, 190° C. or lower) without the treatment with a primer, and a molded product obtained by using the thermoplastic polymer composition. The thermoplastic polymer composition includes 100 parts by mass of a thermoplastic elastomer (A), 1 to 100 parts by mass of a polyvinyl acetal resin (B), 5 to 100 parts by mass of a polar group-containing olefin-based copolymer (C), and 0.1 to 300 parts by mass of a softener (D). The thermoplastic elastomer (A) is a block copolymer which has a polymer block constituted by aromatic vinyl compound units and a polymer block constituted by conjugated diene units or a hydrogenated product of the block copolymer.

Abstract: A thermoplastic polymer composition which is excellent in flexibility, mechanical properties, moldability, and particularly in heat resistance and is capable of adhering to ceramics, metals, and synthetic resins even at low temperature (for example, 190° C. or lower) without the treatment with a primer, and a molded product produced by using the thermoplastic polymer composition are described. The thermoplastic polymer composition includes 100 parts by mass of a thermoplastic elastomer (A), 1 to 100 parts by mass of a polyvinyl acetal resin (B), and 5 to 100 parts by mass of a polar group-containing polypropylene resin (C).

Abstract: A thermoplastic polymer composition which is excellent in flexibility, mechanical properties, and moldability, capable of adhering to ceramics, metals, and synthetic resins without a treatment with a primer, and exhibits a high adhesion strength even when exposed to a high temperature environment, and a molded product obtained by using the thermoplastic polymer composition. The thermoplastic polymer composition includes 100 parts by mass of a thermoplastic elastomer (A), 1 to 100 parts by mass of a polyvinyl acetal resin (B), and 0.1 to 300 parts by mass a softener (C). The thermoplastic elastomer (A) is a block copolymer including a polymer block constituted by aromatic vinyl compound units and a polymer block constituted by conjugated diene units or a hydrogenated product of the block copolymer. The polyvinyl acetal resin (B) has a glass transition temperature of 80 to 130° C.

Abstract: The invention provides a thermoplastic polymer composition which is excellent in flexibility, mechanical properties, moldability, and coloring resistance and which provides excellent adhesion to polar resin, a resin containing an inorganic filler (particularly, glass fiber), ceramic material, glass, or metal, and an article formed from the thermoplastic polymer composition. Specifically, the invention provides a thermoplastic polymer composition containing 100 parts by mass of a hydrogenated block copolymer mixture (a); 0.1 to 100 parts by mass of a polyvinyl acetal (b); and 0.