RUBBER COMPOSITION FOR TYRE, AND PNEUMATIC TYRE

Title:

RUBBER COMPOSITION FOR TYRE, AND PNEUMATIC TYRE

Document Type and Number:

WIPO Patent Application WO/2013/094609

Kind Code:

A1

Abstract:

Provided are a rubber composition for a tyre and a pneumatic tyre which uses the rubber composition, the composition enabling excellent workability, and achieving a balanced improvement in rolling resistance, abrasion resistance and wet skid properties. The present invention relates to a rubber composition for a tyre, the composition containing: a modified diene rubber (A) in which a terminal has been modified with a specific acrylamide compound; and a specific modified compound and a silicon or tin compound, or, a modified diene rubber (B) which is modified with said modified compound. The weight average molecular weight of the entirety of rubber A and B are within a specific range, and the composition further includes a silane coupling agent having a mercapto group.

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Inventors:

HIRAYAMA MICHIO (JP)

Application Number:

PCT/JP2012/082802

Publication Date:

June 27, 2013

Filing Date:

December 18, 2012

Export Citation:

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Assignee:

SUMITOMO RUBBER IND (JP)

International Classes:

C08L15/00; B60C1/00; C08K5/548

Domestic Patent References:

WO2012128320A1

2012-09-27

Foreign References:

JP2013032497A	2013-02-14
JP2013018813A	2013-01-31
JP2013036032A	2013-02-21
JP2011225809A	2011-11-10
JP2005344039A	2005-12-15
JPH01217047A	1989-08-30
JP2008031244A	2008-02-14

Other References: