A thermoplastic elastomer composition including components (A), (B1), (B2), and (C) below. A composite molded body composed of the thermoplastic elastomer composition. A thermoplastic elastomer composition with which a composite molded body excellent in terms of sliding performance, a fusion bonding capability, and fusion bonding durability can be formed and a composite molded body composed of the thermoplastic elastomer composition can be provided. Component (A): styrene elastomer Component (B1): crystalline polypropylene Component (B2): amorphous polypropylene Component (C): silicone lubricant

The present invention provides a flame-retardant styrene polymer composition comprising an organic bromine compound, zinc stearate and calcium stearate, the use for preparing styrene polymer films or foams and a process for recycling of styrene polymer-containing scrap.

The present invention provides a flame-retardant styrene polymer composition comprising an organic bromine compound, zinc stearate and calcium stearate, the use for preparing styrene polymer films or foams and a process for recycling of styrene polymer-containing scrap.

Provided is a thermoplastic elastomer composition for an impact-resistant material, comprising a block copolymer composition comprising a block copolymer (B) in which a functional group capable of noncovalent bonding is introduced into a block copolymer (A) including at least one aromatic vinyl polymer block and at least one conjugated diene polymer block.

The invention relates to a composition comprising: (A) a propylene-based polymer which is a propylene homopolymer or a propylene copolymer consisting of at least 90 wt % of propylene monomer units and at most 10 wt % of ethylene monomer units and/or an α-olefin monomer units having 4 to 10 carbon atoms, (B) an elastomer of ethylene and an α-olefin comonomer having 4 to 10 carbon atoms, wherein the elastomer has a density of 0.850 to 0.865 g/cm 3 and a melt flow index of 0.1 to 20 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C. and (C) a block copolymer comprising a terminal block comprising styrene or alpha-methylstyrene.

The invention relates to a composition comprising: (A) a propylene-based polymer which is a propylene homopolymer or a propylene copolymer consisting of at least 90 wt % of propylene monomer units and at most 10 wt % of ethylene monomer units and/or an α-olefin monomer units having 4 to 10 carbon atoms, (B) an elastomer of ethylene and an α-olefin comonomer having 4 to 10 carbon atoms, wherein the elastomer has a density of 0.850 to 0.865 g/cm 3 and a melt flow index of 0.1 to 20 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C. and (C) a block copolymer comprising a terminal block comprising styrene or alpha-methylstyrene.

Provided is a hydrogenated block copolymer, which is a hydrogenation product of a block copolymer including a polymer block (A) containing more than 70 mol % of a structural unit derived from an aromatic vinyl compound and a polymer block (B) containing 30 mol % or more of a structural unit derived from at least one selected from the group consisting of a conjugated diene compound and isobutylene, the hydrogenated block copolymer being satisfied with the following requirements (1) and (2): Requirement (1): the content of the polymer block (A) in the block copolymer is 1 to 30% by mass; and Requirement (2): when the polymer block (B) is regarded as having a structure with a hydrogenation rate of 100 mol %, an average value of a methylene chain length of a main chain of the structural unit derived from at least one selected from the group consisting of a conjugated diene compound and isobutylene is 1.0 to 6.0.

Thermoplastic compounds include elastomer, modified polyolefin polymer including a polar functional group, and unmodified polyolefin polymer. The melt flow rate of the modified polyolefin polymer is greater than the melt flow rate of the unmodified polyolefin polymer. The thermoplastic compounds exhibit excellent bonding when overmolded onto rigid substrates such as metals, while also providing desirable aesthetic properties and good processability.

Thermoplastic compounds include elastomer, modified polyolefin polymer including a polar functional group, and unmodified polyolefin polymer. The melt flow rate of the modified polyolefin polymer is greater than the melt flow rate of the unmodified polyolefin polymer. The thermoplastic compounds exhibit excellent bonding when overmolded onto rigid substrates such as metals, while also providing desirable aesthetic properties and good processability.

Asphalt packets and methods of making and using asphalt packets are provided. For example, an asphalt packet can be provided that include asphalt that comprises an inner volume and a polymer film outer coating that encapsulates the inner volume of the asphalt. The polymer film outer coating can be non-tacky at ambient temperatures to permit stacking of a plurality of asphalt packets under weight without causing the packets to agglomerate.