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Patent Searching and Data


Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2019/117266
Kind Code:
A1
Abstract:
Provided is a rubber composition which enables a tire to achieve a good balance among low loss tangent, wear resistance and dry handling properties. This rubber composition is characterized by containing (A) a rubber component, (B) a styrene-alkylene block copolymer, (C) a silica, and (D) a silane coupling agent. This rubber composition is also characterized in that: the styrene-alkylene block copolymer (B) has a total content of styrene units of 30% by mass or more; and the silane coupling agent (D) has a mercapto group.

Inventors:
AOKI MISA (JP)
TSUJI TAKANORI (JP)
Application Number:
PCT/JP2018/045983
Publication Date:
June 20, 2019
Filing Date:
December 13, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L21/00; B60C1/00; C08K3/04; C08K5/548; C08L45/00; C08L53/02; C08L93/04
Foreign References:
JP2015086388A2015-05-07
JP2015206038A2015-11-19
JP2012531486A2012-12-10
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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