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Title:
RUBBER COMPOSITION AND PNEUMATIC TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/021394
Kind Code:
A1
Abstract:
To provide: a rubber composition which achieves higher silica dispersibility without lowering workability and hardness, while having excellently low fuel consumption properties; and a pneumatic tire which uses this rubber composition. A rubber composition which is obtained by blending 5-200 parts by mass of (B) silica relative to 100 parts by mass of (A) a diene rubber, 1-20% by mass of (C) a silane coupling agent relative to the silica, and 1-20% by mass of (D) a glycerol mono-fatty acid ester relative to the mass of silica, said glycerol mono-fatty acid ester being derived from a fatty acid having 8-24 carbon atoms. With respect to this rubber composition, 10 parts by mass or more in 100 parts by mass of the component (A) has a heteroatom-containing functional group in the main chain and/or at an end.

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Inventors:
TSUKISHIMA SHIN (JP)
OKA MIYUKI (JP)
ASHIURA MAKOTO (JP)
Application Number:
PCT/JP2015/070572
Publication Date:
February 11, 2016
Filing Date:
July 17, 2015
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L15/00; B60C1/00; C08K3/36; C08K5/103; C08K5/54; C08L9/00; C08L25/02; C08L45/00
Domestic Patent References:
WO2014050341A12014-04-03
Foreign References:
JP2011052090A2011-03-17
JP2013133401A2013-07-08
JPH09309978A1997-12-02
Attorney, Agent or Firm:
NODA, SHIGERU (JP)
Noda 茂 (JP)
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