RUBBER COMPOSITION AND PNEUMATIC TIRE

Title:

RUBBER COMPOSITION AND PNEUMATIC TIRE

Document Type and Number:

WIPO Patent Application WO/2012/133177

Kind Code:

A1

Abstract:

The present invention provides: a rubber composition which is capable of improving the fuel consumption saving, wet grip performance, wear resistance and processability in a well-balanced manner; and a pneumatic tire which uses the rubber composition. The present invention relates to a rubber composition which contains a rubber component, silica and a compound represented by formula (1). The content of a conjugated diene polymer, which has a constituent unit based on a conjugated diene and a constituent unit represented by formula (I), and at least one end of which is modified by a specific compound, in 100% by mass of the rubber component is 5% by mass or more. The rubber composition contains 5-150 parts by mass of the silica per 100 parts by mass of the rubber component.

Inventors:

IMOTO YOJI (JP)
UESAKA KENICHI (JP)
TAGUCHI TAKAFUMI (JP)
OMURA NAOYA (JP)
KUNISAWA TETSUYA (JP)
YAMAUCHI SATOMI (JP)

Application Number:

PCT/JP2012/057498

Publication Date:

October 04, 2012

Filing Date:

March 23, 2012

Export Citation:

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Assignee:

SUMITOMO RUBBER IND (JP)
IMOTO YOJI (JP)
UESAKA KENICHI (JP)
TAGUCHI TAKAFUMI (JP)
OMURA NAOYA (JP)
KUNISAWA TETSUYA (JP)
YAMAUCHI SATOMI (JP)

International Classes:

C08L15/00; B60C1/00; C08C19/22; C08C19/25; C08F230/08; C08F236/04; C08K3/36; C08K5/17; C08K5/20; C08K5/548; C08L7/00; C08L9/00

Foreign References:

JP2010077412A	2010-04-08
JP2010270292A	2010-12-02
JP2010077413A	2010-04-08
JP2010077415A	2010-04-08
JP2010077414A	2010-04-08
JP2003533574A	2003-11-11
JP2008150435A	2008-07-03
JP2008280438A	2008-11-20
JPH0477536A	1992-03-11
JP2000344955A	2000-12-12
JP2009126907A	2009-06-11

Other References: