Composition for carcass of tire

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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525 99, C08K 501, C08L 906, C08L 700, C08L 5302

Patent

active

045580880

ABSTRACT:
A carcass rubber composition for tires comprising a polymer blend of diene synthetic elastomer and natural rubber. Said diene synthetic elastomer contains a solution polymerization star shaped SBR, preferably, in the ratio of 20-50 percent. 1, 2 structure in the butadiene unit is preferably less than 50 percent. The styrene content is preferably 10-20 percent.

REFERENCES:
patent: 3686365 (1972-08-01), Sequeira
patent: 4248981 (1981-02-01), Milkovich et al.
patent: 4346193 (1982-08-01), Warfel
patent: 4417027 (1983-11-01), Kan et al.

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