Olefin thermoplastic elastomer composition

Details Olefin thermoplastic elastomer composition Olefin thermoplastic elastomer composition

2006-08-22

2006-08-22

Mulcahy, Peter D. (Department: 1713)

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...

C524S528000

Reexamination Certificate

active

07094828

ABSTRACT:
An olefin thermoplastic elastomer composition which is superior in the resistance to oils, heat resistance, formability and flexibility is provided, said elestomer composition comprising the components(A) 40–90 parts by weight of a polypropylene resin having a melt flow rate (determined at 230 ° C. under a load of 2.16 kg according to ASTM D 1238) of 0.1–5 g/10 minutes,(B) 10–60 parts by weight of a copolymer rubber based on olefin, the contents of the components (A) and (B) summing up to 100 parts by weight, and(C) 20–150 parts by weight of a softener,wherein the composition is in such a cross-linked state that the gel content thereof amounts to 97% by weight or higher.

REFERENCES:
patent: 4087485 (1978-05-01), Huff
patent: 4212787 (1980-07-01), Matsuda et al.
patent: 5656693 (1997-08-01), Ellulo et al.
patent: 08-27316 (1996-01-01), None

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