Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2015/076049
Kind Code:
A1
Abstract:
Provided is a pneumatic tire which comprises a tread produced using a specific rubber composition and has greatly improved wear resistance, while maintaining good wet grip performance and durability.
The present invention relates to a pneumatic tire which comprises a tread produced using a rubber composition that contains a specific oil-extended butadiene rubber, an isoprene-based diene rubber and/or a styrene butadiene rubber, a specific carbon black and stearic acid, respectively in predetermined amounts. The oil-extended butadiene rubber is a butadiene rubber synthesized using a rare earth element-based catalyst, and the amount of a process oil blended in this rubber composition is not more than a predetermined amount.
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Inventors:
TSUCHIDA TSUYOSHI (JP)
MIYAZAKI TATSUYA (JP)
MIYAZAKI TATSUYA (JP)
Application Number:
PCT/JP2014/077883
Publication Date:
May 28, 2015
Filing Date:
October 21, 2014
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
C08L9/00; B60C1/00; C08K3/04; C08K5/09; C08L7/00
Domestic Patent References:
| WO2008044722A1 | 2008-04-17 |
Foreign References:
| JP2011256282A | 2011-12-22 | |||
| JP2005179393A | 2005-07-07 | |||
| JP2002234978A | 2002-08-23 | |||
| JP2013023640A | 2013-02-04 | |||
| JP2005154754A | 2005-06-16 | |||
| JP2004277506A | 2004-10-07 | |||
| JP2013053296A | 2013-03-21 |
Other References:
See also references of EP 3064544A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
Patent business corporation Yasutomi international patent firm (JP)
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