Title:
RUBBER COMPOSITION FOR TIRE
Document Type and Number:
WIPO Patent Application WO/2016/060262
Kind Code:
A1
Abstract:
Provided is a rubber composition for a tire, the rubber composition containing: a rubber component that includes 15-55 wt% of an end-modified-group-containing cyclic olefin ring-opening polymer having a glass transition temperature of from -120 to -90°C, and 45-85 wt% of an end-modified-group-containing solution-polymerization conjugated diene polymer having an aromatic vinyl monomer unit content of more than 30 wt% and equal to or less than 50 wt%; silica; and a silane coupling agent that includes a monosulfide group and/or a thiol group, the contained amount of silica being 30-200 parts by weight per 100 parts by weight of the rubber component, and the contained amount of the silane coupling agent that includes a monosulfide group and/or a group is 0.3-20 parts by weight per 100 parts by weight of silica.
Inventors:
KURAMOTO NAOAKI (JP)
SUGIMURA TAKESHI (JP)
OKUNO SHINGO (JP)
NITADORI HIROYUKI (JP)
SUGIMURA TAKESHI (JP)
OKUNO SHINGO (JP)
NITADORI HIROYUKI (JP)
Application Number:
PCT/JP2015/079366
Publication Date:
April 21, 2016
Filing Date:
October 16, 2015
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08L15/00; B60C1/00; C08K3/36; C08K5/54; C08L65/00
Domestic Patent References:
| WO2011087072A1 | 2011-07-21 | |||
| WO2003102053A1 | 2003-12-11 |
Foreign References:
| JP2005325206A | 2005-11-24 | |||
| JP2004231905A | 2004-08-19 |
Other References:
See also references of EP 3208304A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
It can exceed and is a patent business corporation. (JP)
It can exceed and is a patent business corporation. (JP)
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