RUBBER COMPOSITION AND PNEUMATIC TIRE

Title:

RUBBER COMPOSITION AND PNEUMATIC TIRE

Document Type and Number:

WIPO Patent Application WO/2012/144577

Kind Code:

A1

Abstract:

The present invention provides: a rubber composition which is capable of improving fuel consumption saving, wet grip performance and wear resistance in a 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 liquid resin having a softening point from -20°C to 20°C. In the rubber composition, 5% by mass or more of a conjugated diene polymer, which has a constituent unit derived from a conjugated diene and a constituent unit represented by formula (I) and at least one end of which is modified with a specific compound, is contained in 100% by mass of the rubber component, and the silica is contained in an amount of 5-150 parts by mass per 100 parts by mass of the rubber component.

Inventors:

TSUMORI ISAMU (JP)
UESAKA KENICHI (JP)
OMURA NAOYA (JP)
KUNISAWA TETSUYA (JP)
TANAKA TATSUHIRO (JP)
NISHIOKA KAZUYUKI (JP)

Application Number:

PCT/JP2012/060658

Publication Date:

October 26, 2012

Filing Date:

April 20, 2012

Export Citation:

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Assignee:

SUMITOMO RUBBER IND (JP)
TSUMORI ISAMU (JP)
UESAKA KENICHI (JP)
OMURA NAOYA (JP)
KUNISAWA TETSUYA (JP)
TANAKA TATSUHIRO (JP)
NISHIOKA KAZUYUKI (JP)

International Classes:

C08L15/00; B60C1/00; C08F8/00; C08K3/36; C08L7/00; C08L9/00; C08L101/12

Foreign References:

JP2010077412A	2010-04-08
JP2010270292A	2010-12-02
JP2010077413A	2010-04-08
JP2010077415A	2010-04-08
JP2010077414A	2010-04-08
JP2007177209A	2007-07-12
JP2005213486A	2005-08-11
JP2000344955A	2000-12-12
JP2009126907A	2009-06-11

Other References: