Rubber composition for use in vibration insulating material

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...

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524518, 524523, 524526, 525211, 525221, 525222, 525236, 525237, C08K 304, C08L 700, C08L 902, C08L 906

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048107468

ABSTRACT:
Disclosed herein is a rubber composition for use in vibration insulating material, which comprises as rubber components 5-50 parts by weight of a copolymer consisting of 99.5-45% by weight of a conjugated diolefin, 0.5-30% by weight of an ethylenically unsaturated carboxylic acid and 0-40% by weight of another vinly monomer polymerizable therewith, and 50-95 parts by weight of at least one rubber selected from natural rubber and synthetic diene rubbers. This rubber composition is excellent in the breaking properties and vibration insulating properties with a small temperature dependence of hysteresis loss.

REFERENCES:
patent: 2880186 (1959-03-01), Barth
patent: 4218349 (1980-04-01), Minatono et al.
patent: 4412031 (1983-10-01), Kitahara et al.

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