摘要:
A laminated product comprising (i) a layer containing a sulfur-vulcanized rubber composition, and (ii) a layer containing a thermoplastic elastomer composition produced by dynamically heating (A) an ethylene-α-olefin copolymer rubber, (B) a propylene resin, (C) a mineral oil, (D) a cross-linking agent, and (E) an ethylene resin; and a process for producing a laminated product comprising the steps of (1) dynamically heating the above components (A) to (E), and (2) laminating the above layers (i) and (ii).
摘要:
Disclosed is a thermoplastic elastomer composition that will provide little load on the environment and has superior mechanical characteristics, the composition being obtained by melt-kneading 10 to 90 parts of ethylene-α-olefin based copolymer rubber (A), 1 to 50 parts of non-petroleum source-derived thermoplastic resin (B), 1 to 50 parts of modified propylene-based copolymer (C), 1 to 50 parts of propylene-based polymer (D), 0.001 to 5 parts of crosslinking agent (E), and 0 to 50 parts of mineral oil-based softening agent (F), wherein the amounts of components (A), (B), (C), (D), and (F) are amounts in weight calculated where the combined amount of components (A), (B), (C), (D) and (F) is considered to be 100 parts by weight, and the amount of component (E) is an amount in weight calculated where the combined amount of components (A), (B), (C), (D), and (F) is considered to be 100 parts by weight.
摘要:
A process for producing a thermoplastic elastomer composition comprising the steps of (1) heating dynamically (A) a defined ethylene-α-olefin random copolymer rubber, (B) a propylene homopolymer, or a defined copolymer of propylene with ethylene and/or an α-olefin, (C) a mineral oil softener, and (D) a crosslinking agent, and (2) melt-kneading the resultant product with a defined polypropylene resin (E); and a process for producing a foamed thermoplastic elastomer composition comprising the further step of melt-kneading said thermoplastic elastomer composition with (F) a foaming agent.
摘要:
The present invention provides a composite molded article and a method for producing the same. The composite molded article comprises a molded article of an olefin thermoplastic elastomer (A) and a molded article of an olefin thermoplastic elastomer (B) fused to each other, wherein the olefin thermoplastic elastomer molded article (A) contains an olefin thermoplastic elastomer composition (A′) having less than 5% by weight of a cyclohexane-soluble(s) and less than 35% of a compression set (JIS K6262, 70° C., 22 hours), and the olefin thermoplastic elastomer molded article (B) contains an olefin thermoplastic elastomer composition (B′) obtained by blending 100 parts by weight of an ethylene/α-olefin/non-conjugated diene copolymer rubber (b-1) containing 6 to 15 wt % of a non-conjugated diene unit, with 40 to 150 parts by weight of a mineral oil softener (b-2), 5 to 150 parts by weight of an olefin resin (b-3), and 0.01 to 20 parts by weight of a crosslinking agent (b-4) and subsequent dynamic heat treatment thereof.
摘要:
It is an object of the present invention to provide an olefin thermoplastic elastomer composition which, through dynamic crosslinking of an olefin resin and an ethylene-α-olefin copolymer rubber as polymer components, has excellent appearance of the extrusion molding while also having excellent physical properties such as compression set and tensile strength. The present invention is directed to a method for producing a thermoplastic elastomer composition having the steps of: dynamically heat treating the following components (A) to (D); adding a component (E) to a resulting composition; and kneading the resulting mixture, and a thermoplastic elastomer composition obtained by the production method, (A): 40 to 95 parts by weight of an ethylene-α-olefin-based copolymer rubber; (B): 5 to 60 parts by weight of a polyolefin-based resin; (C): 0.1 to 20 parts by weight of a halogenated alkylphenolic resin-based crosslinking agent; (D): 0.001 to 0.7 part by weight of iron oxide; and (E): 0.1 to 20 parts by weight of a halogen capturing agent.
摘要:
A process for producing a thermoplastic elastomer composition comprising the steps of (1) heating dynamically (A) a defined ethylene-α-olefin random copolymer rubber, (B) a propylene homopolymer, or a defined copolymer of propylene with ethylene and/or an α-olefin, (C) a mineral oil softener, and (D) a crosslinking agent, and (2) melt-kneading the resultant product with a defined polypropylene resin (E); and a process for producing a foamed thermoplastic elastomer composition comprising the further step of melt-kneading said thermoplastic elastomer composition with (F) a foaming agent.