Abstract: A method for producing an elastomeric sealing article including preparing a thermoplastic elastomeric resin composition having (a) 100 parts by weight of a hydrogenated block copolymer including at least two polymeric blocks (A) of styrene, and at least one polymeric block (B) of isoprene; (b) 70 to 130 parts by weight of an ethylene-octene copolymer including ethylene in an amount of more than 50% by weight; and (c) 30 to 60 parts by weight of polypropylene. The thermoplastic elastomeric resin composition does not contain a non-aromatic softening agent, and none of components (a), (b), and (c) is cross-linked. The method also includes molding the thermoplastic elastomeric resin composition into an elastomeric sealing article.

Abstract: The present invention provides an adhesive sheet comprising a resin film and an adhesive layer adhering to one side of said resin film, wherein the adhesive sheet does not cause significant shrinkage when it is stored together with a release liner thereon for a prolonged time. The adhesive sheet of the present invention is an adhesive sheet comprising a resin film and an adhesive layer adhering to one side of said resin film, characterized in that said adhesive layer has one or more grooves on a side opposite to a side on which said adhesive layer adheres to said resin film, and said groove or grooves exist only in an inner area of said opposite side of said adhesive layer and are not open at side surfaces of said adhesive layer. The present invention also provides a release liner for an adhesive sheet having embosses on its surface and being good in smoothness.

Abstract: An extrusion molded article for automobiles, having a body portion (1) and a hollow sealing portion (11), where the body portion (1) comprises a core (2) made of a resin having a U-shaped cross-section extending in a longitudinal direction and a covering layer (3) surrounding and covering the core partly or entirely, and the hollow sealing portion (11) is bonded integrally with an outer surface (4) of the body portion, characterized in that the covering layer (3) is made of a thermoplastic elastomer composition having a tensile elongation at break of at least 350%, as determined according to JIS K6251, and a change in 100% modulus of at most 40%, wherein the change in 100% modulus=[(100% modulus at 23° C.-100% modulus at 80° C.)/100% modulus at 23° C.

Abstract: Described herein is a composition preparation process of forming an unkneaded mixture of (a) 100 parts by weight of an ethylene-?-olefin-unconjugated polyene copolymer rubber synthesized with a metallocene catalyst, (b) 20 to 350 parts by weight of a crystalline olefin resin, (c) 2 to 25 parts by weight of an alkylphenol-formaldehyde resin, and (d) 5 to 120 parts by weight of at least one polymer selected from the group consisting of a copolymer of a vinyl aromatic compound with a conjugated diene compound, a hydrogenated copolymer obtained by hydrogenating a copolymer of a vinyl aromatic compound with a conjugated diene compound, and a hydrogenated polymer obtained by hydrogenating a polymer of a conjugated diene compound, and kneading the formed unkneaded mixture to form a thermoplastic elastomer composition. This process produces a composition that is excellent in compression set and oil resistance at high temperatures and in flexibility and moldability.

Abstract: Purpose: The present invention provides a multi-layer film comprising a polyolefin film, an aluminum foil and a polyamide layer which are laminated sequentially, wherein the aluminum foil is adhered directly to the polyolefin film without any anchor coat agent or adhesive and the multi-layer film is excellent in adhesion strength between the polyolefin film and the aluminum foil and in low-temperature resistance.

Abstract: This invention provides a softening agent composition obtained by blending and heat treating (a) 100 parts by weight of at least one non-aromatic hydrocarbon softening agent for rubber; (b) 0.1 to 10 parts by weight of an organic peroxide; and (c) 0.1 to 50 parts by weight of a crosslinking aid, with the proviso that the weight ratio of component (b) to component (c) is 1 or less. The softening agent composition is useful and very easy to handle in the production of a thermoplastic resin composition.

Abstract: [Purpose] To provide a lithium secondary battery with excellent productivity, wherein deterioration of the housing material due to penetration of moisture into the inside of the battery and hydrogen fluoride generating inside the battery are prevented.

Abstract: This invention provides a softening agent composition obtained by blending and heat treating (a) 100 parts by weight of at least one non-aromatic hydrocarbon softening agent for rubber; (b) 0.1 to 10 parts by weight of an organic peroxide; and (c) 0.1 to 50 parts by weight of a crosslinking aid, with the proviso that the weight ratio of component (b) to component (c) is 1 or less. The softening agent composition is useful and very easy to handle in the production of a thermoplastic resin composition.

Abstract: PURPOSE: The present invention provides a resin composition which can be used in cross-linking of rubber and in dynamic cross-linking of thermoplastic elastomers, wherein it is easy to handle and can yield homogeneous cross-linking, and can improve compression set and molding processability of a cross-linked elastomer composition obtained by cross-linking, such as cross-linked rubber compositions and cross-linked thermoplastic elastomer compositions.

Abstract: The present invention provides an adhesive sheet comprising a resin film and an adhesive layer adhering to one side of said resin film, wherein the adhesive sheet does not cause significant shrinkage when it is stored together with a release liner thereon for a prolonged time. The adhesive sheet of the present invention is an adhesive sheet comprising a resin film and an adhesive layer adhering to one side of said resin film, characterized in that said adhesive layer has one or more grooves on a side opposite to a side on which said adhesive layer adheres to said resin film, and said groove or grooves exist only in an inner area of said opposite side of said adhesive layer and are not open at side surfaces of said adhesive layer. The present invention also provides a release liner for an adhesive sheet having embosses on its surface and being good in smoothness.

Abstract: An extrusion molded article for automobiles, having a body portion (1) and a hollow sealing portion (11), where the body portion (1) comprises a core (2) made of a resin having a U-shaped cross-section extending in a longitudinal direction and a covering layer (3) surrounding and covering the core partly or entirely, and the hollow sealing portion (11) is bonded integrally with an outer surface (4) of the body portion, characterized in that the covering layer (3) is made of a thermoplastic elastomer composition having a tensile elongation at break of at least 350%, as determined according to JIS K6251, and a change in 100% modulus of at most 40%, wherein the change in 100% modulus=[(100% modulus at 23° C.?100% modulus at 80° C.)/100% modulus at 23° C.

Abstract: A resin composition comprises (a) 100 parts by weight of at least one compound selected from the group consisting of phenol resins and brominated phenol resins, (b) 20 to 500 parts by weight of a crystalline olefin resin, provides that copolymers of ethylene with unsaturated carboxylic acid ester or vinyl acetate are precluded, and (c) 0 to 300 parts by weight of a non-aromatic softening agent for rubber. The resin composition is easy to handle in dynamic cross-linking of rubber or a thermoplastic elastomer to give uniform cross-linking. A cross-linked rubber composition or thermoplastic elastomer composition has improved compression set and moldability.

Abstract: The present invention provides a thermoplastic elastomer composition comprising (a) 100 parts by weight of an ethylene-?-olefin-unconjugated polyene copolymer rubber synthesized with a metallocene, (b) 20 to 350 parts by weight of a crystalline olefin resin, (c) 2 to 25 parts by weight of a cross-linking agent, and (d) 5 to 120 parts by weight of at least one polymer selected from the group consisting of a copolymer of a vinyl aromatic compound with a conjugated diene compound, a hydrogenated copolymer obtained by hydrogenating a copolymer of a vinyl aromatic compound with a conjugated diene compound, and a hydrogenated polymer obtained by hydrogenating a polymer of a conjugated diene compound. The thermoplastic elastomer composition according to the present invention is excellent in compression set and oil resistance at high temperatures and in flexibility and moldability.

Abstract: An antistatic composition containing various types of polymers such as a polyamide, an aliphatic polyester, an elastomer thereof and a polyurethane elastomer, and a metal salt in specific amounts, and preferably, an antistatic composition in which an additive component such as an organic compound which has an —{O(AO)n}— group (A represents an alkylene group having 2 to 4 carbon atoms, and n represents an integer of 1 to 7) and all molecular chain terminals of which are CH3 and/or CH2 groups is compounded as needed.

Abstract: There is disclosed a fire-retardant resin composition, which comprises: a thermoplastic resin component (A) comprising (a) a block copolymer mainly made of a vinyl aromatic compound and a conjugated diene compound as its constitutional components, and/or a hydrogenated block copolymer of the block copolymer, (b) a nonaromatic-series softener for rubber, (c) an ethylene/?-olefin copolymer, and (d) a polypropylene resin; and (e) an organic peroxide, (f) a (meth)acrylate-series and/or allyl-series crosslinking aid, and a metal hydrate (B), wherein a specific amount of the metal hydrate (B) to be used is a metal hydrate being pretreated with a silane coupling agent, and the fire-retardant resin composition is a mixture of the above formulation that is heated and kneaded at a temperature equal to or higher than the melting temperature of the (A). There is also disclosed a wiring material and other molded parts, in which the resin composition is utilized.

Abstract: The present invention is a thermoplastic elastomeric resin granule for powder molding having a longer diameter of 400 ?m or less and a ratio of the longer diameter to a shorter diameter of from 3:1 to 1:1, wherein said granule comprises a composition prepared by dynamically vulcanizing 100 parts by weight of (a) a block copolymer consisting of at least two polymeric blocks (A) composed mainly of a vinyl aromatic compound and at least one polymeric block (B) composed mainly of a conjugated diene compound, and/or a hydrogenated block copolymer obtained by hydrogenating said block copolymer, 20 to 300 parts by weight of (b) a non-aromatic softening agent for rubber, and 10 to 150 parts by weight of (c) a peroxide-decomposing olefinic resin and/or a copolymer thereof. The resin granule has excellent fluidity in a powder molding.

Abstract: The present invention provides a thermoplastic resin composition comprising (a) 100 parts by weight of a resin selected from the group consisting of polypropylenes and copolymers composed mainly of propylene, (b) 5 to 350 parts by weight of a resin selected from the group consisting of polyethylenes and copolymers composed mainly of ethylene, the resin having been prepared using a single site catalyst, and (c) 5 to 200 parts by weight of an ionomer resin or its ester. The present thermoplastic resin composition is excellent in mechanical properties and heat bonding property to various resins, and causes no bleeding-out of softening agents, thereby the softness of the shaped articles obtained from the composition can be easily controlled. The present invention also provides a laminated article comprising a layer of the resin composition .

Abstract: The present invention relates to a thermoplastic resin composition comprising (a) 100 parts by weight of a block copolymer comprising at least two polymeric blocks A composed mainly of a vinyl aromatic compound and at least one polymeric block B composed mainly of a conjugated diene compound, or a hydrogenated block copolymer thereof, (d) 5 to 50 parts by weight of an organic peroxide, and (e) 10 to 80 parts by weight of one or more substances selected from the group consisting of multifunctional vinyl compounds and multifunctional (meth)acrylate compounds. The present invention provides a master batch of an organic peroxide in which the organic peroxide is so uniformly dispersed in a thermoplastic resin that crosslinking and/or decomposition occur uniformly, a method of preparing the same, a thermoplastic resin composition obtained using the master batch and a method of preparing the same.

Abstract: The invention provides a process for the preparation of a thermoplastic elastomeric resin composition comprising melt kneading (a) 100 parts by weight of a block copolymer consisting of at least two polymeric blocks (A) composed mainly of a vinyl aromatic compound and at least one polymeric block (B) composed mainly of a conjugated diene compound, and/or a hydrogenated block copolymer obtained by hydrogenating said block copolymer, (b) 20 to 300 parts by weight of a non-aromatic softening agent for rubber, (c) 1 to 150 parts by weight of a peroxide-crosslinking type olefinic resin and/or a copolymeric rubber containing said resin, and (d) 10 to 150 parts by weight of a peroxide-decomposing type olefinic resin and/or a copolymer containing said resin, characterized in that the process comprises a step of heat-processing component (a), component (b), at least a part of component (c), at least a part of component (d) and at least a part of 1.

Abstract: The present invention provides a thermoplastic resin composition comprising (a) 100 parts by weight of a resin selected from the group consisting of polypropylenes and copolymers composed mainly of propylene, (b) 5 to 350 parts by weight of a resin selected from the group consisting of polyethylenes and copolymers composed mainly of ethylene, the resin having been prepared using a single site catalyst, and (c) 5 to 200 parts by weight of an ionomer resin or its ester. The present thermoplastic resin composition is excellent in mechanical properties and heat bonding property to various resins, and causes no bleeding out of softening agents, thereby the softness of the shaped articles obtained from the composition can be easily controlled. The present invention also provides a laminated article comprising a layer of the resin composition.