Rubber composition for tire tread

Details Rubber composition for tire tread Rubber composition for tire tread

1994-09-16

1996-03-19

Clark, W. Robinson H.

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

Synthetic resins

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

525232, 525241, C08K 702, C08K 906

Patent

active

055004822

ABSTRACT:
A rubber composition for a tire tread comprising (i) 100 parts by weight of a rubber component comprising (a) natural rubber and (b) a styrene-butadiene copolymer rubber having a vinyl content in the butadiene portion of 35 to 80% by weight and a styrene content of 10 to 40% by weight wherein the total amount these rubbers is at least 80 by weight of the total rubber component and wherein the amount of the styrene-butadiene copolymer rubber, is 20 to 60% by weight of the total rubber component, (ii) 20 to 70 parts by weight of silica and (iii) 20 to 70 parts by weight of carbon black.

REFERENCES:
patent: 5066729 (1991-11-01), Stayer, Jr. et al.
patent: 5248722 (1993-09-01), DeTrano et al.
patent: 5284898 (1994-02-01), Thise

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