Rubber compositions

Details Rubber compositions Rubber compositions

1991-09-05

1993-08-03

Buttner, David J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 99, 525237, 525314, 525316, 524483, C08L 906

Patent

active

052329879

ABSTRACT:
A rubber composition having an excellent wear resistance while holding proper hardness, modulus and the like as a vulcanizate comprises a blend of (A) styrene-diene copolymer rubber having specified content of bound styrene, glass transition temperature range and Mooney viscosity and (B) low molecular weight polymer having particular weight average molecular weight, wherein the blending ratio of the copolymer rubber (A) to the polymer (B) is 100 parts by weight to 10-120 parts by weight.

REFERENCES:
patent: 3646161 (1972-02-01), Marwede
patent: 4843120 (1989-06-01), Halasa

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