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Patent Searching and Data


Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/124811
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a rubber composition having excellent cutting resistance while maintaining good elongation fatigue resistance. The rubber composition according to the present invention is characterized by containing: a rubber component containing 70 mass% or more of natural rubber; a filler at least containing silica; and, with respect to 100 parts by mass of the natural rubber in the rubber component, 0.1-2 parts by mass of a cyclic polyol compound having a hydrocarbyl group.

Inventors:
OGIWARA AKIKO (JP)
SHODA YASUHIRO (JP)
YANAI KENJIRO (JP)
Application Number:
PCT/JP2020/043692
Publication Date:
June 24, 2021
Filing Date:
November 24, 2020
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L7/00; B60C1/00; C08K3/013; C08K3/04; C08K3/36; C08K5/053; C08K5/103; C08K5/1545; C08K5/541
Domestic Patent References:
WO2015147274A12015-10-01
WO2015166997A12015-11-05
WO2015182078A12015-12-03
Foreign References:
JP2010215854A2010-09-30
JP2011184634A2011-09-22
JP2019099747A2019-06-24
JP2013213129A2013-10-17
JPH07118457A1995-05-09
JP2019026791A2019-02-21
JP2006045279A2006-02-16
JP2017002152A2017-01-05
JP2011026445A2011-02-10
JP2016113515A2016-06-23
JP2012149146A2012-08-09
JP2017119766A2017-07-06
JPH07118457A1995-05-09
JP2016047888A2016-04-07
Other References:
See also references of EP 4079804A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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