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...
Patent
1995-04-13
1997-01-07
Cain, Edward J.
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...
524445, C08K 334
Patent
active
055917941
ABSTRACT:
A tread rubber composition is provided which includes 100 parts by weight of a diene rubber containing as a main component thereof at least one rubber selected from the group consisting of natural rubber, polyisoprene and polybutadiene, and 30 to 90 parts by weight of a vulcanized rubber powder, wherein the vulcanized rubber powder is a powder of a rubber resulting from the vulcanization of a rubber composition including 100 parts by weight of a diene rubber containing as a main component thereof at least one rubber selected from the group consisting of natural rubber, polyisoprene and polybutadiene, and 30 to 100 parts by weight of a clay mainly composed of kaolinite. The rubber composition for tire tread assures improved braking performance with the fracture resistance thereof kept satisfactory and, hence, a tire tread made of such rubber composition makes it possible to build a studless tire exhibiting an improved gripping force.
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Fukumoto Takahiro
Mizuno Yoichi
Nakada Yoko
Cain Edward J.
Sumitomo Rubber Industries Ltd.
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