Rubber composition for tire tread

Details Rubber composition for tire tread Rubber composition for tire tread

1991-10-04

1993-03-16

Teskin, Fred

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...

524495, 524496, 525236, 525237, 152209R, 152450, C08K 304, C08L 906

Patent

active

051944855

ABSTRACT:
A rubber composition for tire treads which comprises 100 parts by weight of a rubber component comprising 10 to 100 parts by weight of a styrene-butadiene copolymer rubber produced by a solution polymerization and 90 to 0 parts by weight of at least one of other diene rubbers having a glass transition temperature (Tg) of -60.degree. C. at lowest, and at least 70 parts by weight of a carbon black mixed in the rubber component, the styrene-butadiene copolymer rubber having a styrene content of 45 to 65% by weight, a content of butadiene derived vinyl groups of 20 to 70 parts by weight and a content of a styrene sequence consisting of not less than 8 bonded styrene monomer units of at largest 10% by weight of the above styrene content.

REFERENCES:
patent: 4677165 (1987-06-01), Kikuchi et al.
patent: 4945964 (1990-08-01), Takiguchi et al.
Henderson, Styrene-Butadiene Rubbers, Rubber Technology, Morton (ed.), van Nostrand Reinhold, N.Y., 226-7 (1987).
Rubber World, published Dec. 1988 "Dynamic behavior of compounds containing highly reinforcing carbon blacks with equilibrium cure system", by E. H. Tan and S. Wolff.

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