Rubber composition and tire using the same

Details Rubber composition and tire using the same Rubber composition and tire using the same

2008-04-01

2008-04-01

Choi, Ling-Sui (Department: 1796)

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...

C524S426000, C524S427000

Reexamination Certificate

active

07351761

ABSTRACT:
A rubber composition and a tire made therefrom in which rolling resistance can be reduced without lowering wet grip performance, wherein the rubber composition contains a rubber component and 15 to 150 parts by weight of silica having a nitrogen adsorbing-specific surface area of 20 to 500 m2/g, on the basis of 100 parts by weight of the rubber component, and wherein the rubber component includes not less than 15% by weight of a styrene-butadiene rubber (1) containing a styrene amount of not less than 33% by weight and a vinyl amount of not less than 30% by weight, and not less than 10% by weight of a styrene-butadiene rubber (2) containing a styrene amount of not more than 15% by weight and a vinyl amount of not more than 60% by weight, wherein a total amount of the styrene-butadiene rubber (1) and the styrene-butadiene rubber (2) is not less than 60% by weight.

REFERENCES:
patent: 6759456 (2004-07-01), Kikuchi
patent: 05-132583 (1993-05-01), None
patent: 5-132583 (1993-05-01), None
patent: 8-269243 (1996-10-01), None
patent: 11-209519 (1999-08-01), None
patent: 2001-172434 (2001-06-01), None
patent: 2001-172434 (2001-06-01), None

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