Title:
RUBBER COMPOSITION AND PNEUMATIC TIRE MADE BY USING THE SAME
Document Type and Number:
WIPO Patent Application WO1997040095
Kind Code:
A3
Abstract:
The present invention provides a rubber composition comprising natural rubber and/or diene synthetic rubbers, silica in an amount of 10 to 85 parts by weight per 100 parts by weight of the rubber, a specific silane coupling agent, i.e., a bis(alkoxysilylalkyl) polysulfide having a polysulfide structure in which the distribution of sulfur is specified, in an amount of 1 to 20% by weight of the amount of silica, and a specific silica dispersion improver in an amount of 1 to 15% by weight of the amount of silica, and provides a pneumatic tire manufactured by using the rubber composition. The pneumatic tire has excellent low heat buildup property and abrasion resistance.
Inventors:
ARAKI SHUNJI (JP)
YANAGISAWA KAZUHIRO (JP)
YANAGISAWA KAZUHIRO (JP)
Application Number:
PCT/JP1997/002959
Publication Date:
December 24, 1997
Filing Date:
August 26, 1997
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
ARAKI SHUNJI (JP)
YANAGISAWA KAZUHIRO (JP)
ARAKI SHUNJI (JP)
YANAGISAWA KAZUHIRO (JP)
International Classes:
B60C1/00; C08K3/36; C08K5/16; C08K5/17; C08K5/20; C08K5/21; C08K5/24; C08K5/54; C08K5/548; C08L21/00; (IPC1-7): C08L21/00
Foreign References:
| JPS61287945A | 1986-12-18 | |||
| JPH06248117A | 1994-09-06 |
Other References:
See also references of EP 0857752A4
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