Thermoplastic elastomers

Details Thermoplastic elastomers Thermoplastic elastomers

1986-09-02

1988-05-17

Seccuro, Carman J.

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...

524518, 525 97, 525 98, 525 99, C08L 5302, C08L 2312, C08L 2316

Patent

active

047451491

ABSTRACT:
Thermoplastic elastomers made of 48 to 88% by weight of ethylene-propylene-diene-rubber (EPDM), 10 to 50% by weight of polypropylene (PP) and 2 to 20% by weight of a third polymer and 5 to 60% by weight of softening oil, based on the total of EPDM, PP and the third polymer, and optionally further conventional constituents, have the advantage that the softening oil does not exude.

REFERENCES:
patent: 3793283 (1974-02-01), Frailey et al.
patent: 3926901 (1975-12-01), Boozer
patent: 3985702 (1976-10-01), Himes
patent: 4132698 (1979-01-01), Gessler et al.
patent: 4212787 (1980-07-01), Matsuda et al.
patent: 4248758 (1981-03-01), Wright
patent: 4272431 (1981-06-01), Schepers
patent: 4454092 (1984-06-01), Shimizu et al.
Holden et al., "Block & Graft Copolymerization", Chapter 6, pp. 133 & 171.

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