Process for producing thermoplastic elastomer composition,...

Details Process for producing thermoplastic elastomer composition,... Process for producing thermoplastic elastomer composition,...

2011-08-02

2011-08-02

Mulcahy, Peter D (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S505000, C521S134000

Reexamination Certificate

active

07989542

ABSTRACT:
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.

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Chinese Office Action from the Chinese Patent Office dated Nov. 27, 2009.

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