Title:
VULCANIZED RUBBER COMPOSITION, PRODUCTION METHOD FOR VULCANIZED RUBBER COMPOSITION, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/039408
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a vulcanized rubber composition that exhibits excellent crack propagation resistance. The present invention is characterized by comprising: a rubber component composed of natural rubber and/or synthetic isoprene rubber; syndiotactic 1,2-polybutadiene, and silica, wherein a reticulate three-dimensional network is formed in a matrix of the rubber component, and the reticulate three-dimensional network has a portion composed of crystals of the sPB and a portion in which the rubber component and the sPB are compatibilized.
Inventors:
ASAKURA TAKAFUMI (JP)
Application Number:
PCT/JP2020/030727
Publication Date:
March 04, 2021
Filing Date:
August 12, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; C08K3/36; C08L7/00; C08L9/00
Domestic Patent References:
| WO2003093337A1 | 2003-11-13 |
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Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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