Ethylene/.alpha.-olefin/diene rubber composition and use of the

Details Ethylene/.alpha.-olefin/diene rubber composition and use of the Ethylene/.alpha.-olefin/diene rubber composition and use of the

1994-06-09

1995-09-12

Mulcahy, Peter D.

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...

525232, 525240, C08K 501

Patent

active

054497132

ABSTRACT:
The ethylene/.alpha.-olefin/diene rubber composition of the present invention is a specific ethylene/.alpha.-olefin/diene rubber composition comprising a high-molecular ethylene/.alpha.-olefin/diene copolymer rubber (A) having a specific molecular weight distribution, a specific intrinsic viscosity [.eta.] and a specific iodine value, and a low-molecular liquid ethylene/.alpha.-olefin copolymer (B) having a specific intrinsic viscosity [.eta] This ethylene/.alpha.-olefin/diene rubber composition of the invention is excellent in both the processability (flowability) and the shape retention properties in the vulcanization molding process, and the rubber composition can provide a vulcanized rubber molded product which is excellent in surface smoothness, mechanical strength, low-compression permanent strain properties, resistance to abrasion and resistance to dynamic fatigue.

REFERENCES:
patent: 3884993 (1975-05-01), Gros
patent: 4922046 (1990-05-01), Kinoshita et al.

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