Title:
RUBBER COMPOSITION AND PNEUMATIC TIRE OBTAINED USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/208537
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a rubber composition that gives tires excellent in terms of low heat build-up property and comes to have a high hardness; and a pneumatic tire including a tire tread formed from the rubber composition.
The rubber composition according to the present invention comprises a diene-based rubber, silica, and an acid-modified polyolefin having an average particle diameter less than 1,000 µm, the silica being contained in an amount of 1-150 parts by mass per 100 parts by mass of the diene-based rubber and the acid-modified polyolefin being contained in an amount of 1-30 parts by mass per 100 parts by mass of the diene-based rubber.
[The average particle diameter is the opening size of a finest sieve through which 50% or more of the particles pass in a sieving method using sieves complying with JIS Z8801:2006.]
Inventors:
TANABE YUSUKE (JP)
Application Number:
PCT/JP2016/068260
Publication Date:
December 29, 2016
Filing Date:
June 20, 2016
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L9/00; B60C1/00; C08K3/36; C08L23/26
Foreign References:
| JP2002155164A | 2002-05-28 | |||
| JP2002121326A | 2002-04-23 | |||
| JP2001335664A | 2001-12-04 | |||
| JP2002173557A | 2002-06-21 | |||
| JP2006290986A | 2006-10-26 |
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
Mochitoshi Watanabe (JP)
Mochitoshi Watanabe (JP)
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