Title:
TIRE TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2014/002750
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a tire tread rubber composition that has high silica dispersibility and, at the same time, excellent workability. This tire tread rubber composition contains a diene-based rubber, silica, and a silane coupling agent, the silane coupling agent being a polysiloxane represented by a specific average composition formula, the amount of silica contained being 5 to 200 parts by mass in relation to 100 parts by mass of the diene-based rubber, and the amount of silane coupling agent contained being 1 to 20 mass% in relation to the amount of silica contained.
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Inventors:
AKAHORI YAYOI (JP)
SATO MASAKI (JP)
SATO MASAKI (JP)
Application Number:
PCT/JP2013/066085
Publication Date:
January 03, 2014
Filing Date:
June 11, 2013
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L21/00; B60C1/00; C08G77/04; C08K3/36; C08L83/04
Domestic Patent References:
| WO2006028254A1 | 2006-03-16 |
Foreign References:
| JP4036519B2 | 2008-01-23 | |||
| JP2004067818A | 2004-03-04 | |||
| JP2009057395A | 2009-03-19 | |||
| JP2002275311A | 2002-09-25 | |||
| JP2002047417A | 2002-02-12 | |||
| JP2000017107A | 2000-01-18 |
Other References:
See also references of EP 2857449A4
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
Mochitoshi Watanabe (JP)
Mochitoshi Watanabe (JP)
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