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Title:
RUBBER COMPOSITION FOR TIRE, AND STUDLESS TIRE
Document Type and Number:
Japanese Patent JP2011252096
Kind Code:
A
Abstract:

To provide a rubber composition for tire giving balanced abrasion resistance, performance on ice and driving stability on a dry road surface, and to provide a studless tire produced by using the composition.

The rubber composition for tire contains a diene rubber component, a copolymer having a polar group and obtained by copolymerizing a conjugated diene compound and a vinyl compound having the polar group, silica, and a specific sulfur-containing silane compound, wherein the vinyl compound having the polar group is a compound having a polymerizable unsaturated bond and the polar group. Either one carbon atom constituting the polymerizable unsaturated bond is bonded through at least one carbon atom to a carbon atom to which the polar group is bonded, and the double bond of the conjugated diene compound has a cis-content of ≥80 mol%.


Inventors:
TOKIMUNE RYUICHI
ONO SHUICHIRO
HOCHI KAZUO
NISHIOKA KAZUYUKI
Application Number:
JP2010127206A
Publication Date:
December 15, 2011
Filing Date:
June 02, 2010
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
C08L9/00; B60C1/00; C08F4/54; C08F4/605; C08F236/04; C08K3/36; C08K5/548
Domestic Patent References:
JP2000086825A2000-03-28
JP2009263420A2009-11-12
JP2009270044A2009-11-19
JPH09208633A1997-08-12
JPH09208632A1997-08-12
JPH11286575A1999-10-19
JP2000034320A2000-02-02
Attorney, Agent or Firm:
Atomi International Patent Office



 
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