Title:
RUBBER COMPOSITION FOR TIRES
Document Type and Number:
WIPO Patent Application WO/2017/146107
Kind Code:
A1
Abstract:
Provided is a rubber composition for tires, which has improved tensile stress and rebound resilience in comparison to conventional rubber compositions for tires, while suppressing decrease in tensile strength at break or tensile elongation at break. A rubber composition which is composed of (i) an elastomer that is vulcanizable with sulfur, (ii) carbon black and/or a white filler and (iii) fine particles having a three-dimensional crosslinked structure, and which is characterized in that the fine particles are obtained by three-dimensionally crosslinking a polymer that is formed from an oligomer or prepolymer which has a sulfide bond composed of two or more sulfur atoms in the main chain and/or a thiol group.
Inventors:
KIMURA KAZUSHI (JP)
KAGEYAMA HIROKAZU (JP)
MIHARA SATOSHI (JP)
KAGEYAMA HIROKAZU (JP)
MIHARA SATOSHI (JP)
Application Number:
PCT/JP2017/006635
Publication Date:
August 31, 2017
Filing Date:
February 22, 2017
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L21/00; B60C1/00; C08K3/00; C08K3/04; C08L81/04
Domestic Patent References:
| WO2012144605A1 | 2012-10-26 | |||
| WO2015046154A1 | 2015-04-02 |
Foreign References:
| JP2014062141A | 2014-04-10 |
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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