Title:
RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE USING THE SAME FOR ITS BELT CUSHION
Document Type and Number:
Japanese Patent JP2008050450
Kind Code:
A
Abstract:
To provide a rubber composition excellent in workability, heat buildup, elongation at break and heat-aging resistance.
The rubber composition for tire comprises (A) 100 pts.wt. of a diene rubber comprising at least 30 pts.wt. of natural rubber and/or a polyisoprene rubber, (B) 0.5-3 pts.wt. of an amine salt compound of carboxylic acid containing disulfide expressed by formula (I), and (C) 20 pts.wt. and 40 pts.wt. of carbon black. A pneumatic tire using the same for belt cushion is also provided.
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Inventors:
KUTSUZAWA RIYUUJIRO
Application Number:
JP2006227031A
Publication Date:
March 06, 2008
Filing Date:
August 23, 2006
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
C08L7/00; B60C1/00; B60C9/18; C08K3/04; C08K5/372; C08L9/00
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Takashi Ishida
Tetsuji Koga