Rubber composition for base tread and tire

Details Rubber composition for base tread and tire Rubber composition for base tread and tire

2011-04-05

2011-04-05

Choi, Ling-Siu (Department: 1762)

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...

C524S284000

Reexamination Certificate

active

07919553

ABSTRACT:
The present invention aims to produce a rubber composition for a base tread, which suppresses reversion and achieves excellent mechanical strength, fuel economy and processability, and a tire using the rubber composition, with high efficiency to provide them to customers at low prices. The present invention relates to a rubber composition for a base tread, containing: a rubber component; and a mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid, wherein the rubber component contains natural rubber and butadiene rubber, the butadiene rubber content being 10 to 90% by mass per 100% by mass of the rubber component, and the mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid is contained in an amount of 1 to 10 parts by mass per 100 parts by mass of the rubber component.

REFERENCES:
patent: 2005-523967 (2005-08-01), None
patent: 2007-131730 (2007-05-01), None
patent: 2007131730 (2007-05-01), None
patent: 2007-321041 (2007-12-01), None
patent: 2007321041 (2007-12-01), None
patent: WO 03/091324 (2003-11-01), None
Translation of JP2007321041, Dec. 2007.
Translation of JP 2007131730, May 2007.

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