Title:
RUBBER COMPOSITION, PRODUCTION METHOD THEREFOR, AND TIRE PRODUCT
Document Type and Number:
WIPO Patent Application WO/2024/038876
Kind Code:
A1
Abstract:
[Problem] To provide a rubber composition that improves the wear resistance of a tire and that has excellent wet grip or excellent cut and chip resistance. [Solution] The rubber composition according to the present invention contains a rubber component having a glass transition temperature of from -90℃ to less than -50°C and an additive for rubber containing a sulfurized hydrocarbon polymer, and is characterized in that the rubber component contains 50% or more isoprene rubber, the sulfurized hydrocarbon polymer is a product of reaction between a polymer of unsaturated hydrocarbons and sulfur, the unsaturated hydrocarbons including an alicyclic unsaturated compound, and that the sulfurized hydrocarbon polymer has a weight-average molecular weight of 500-4,000 inclusive.
Inventors:
AKIYAMA YOICHI (JP)
ASHIURA MAKOTO (JP)
MATSUO YUSUKE (JP)
ASHIURA MAKOTO (JP)
MATSUO YUSUKE (JP)
Application Number:
PCT/JP2023/029613
Publication Date:
February 22, 2024
Filing Date:
August 16, 2023
Export Citation:
Assignee:
ENEOS CORP (JP)
International Classes:
C08L7/00; B60C1/00; C08K3/013; C08L9/00; C08L57/06
Domestic Patent References:
| WO2018189878A1 | 2018-10-18 | |||
| WO2023032664A1 | 2023-03-09 |
Foreign References:
| JP2021031568A | 2021-03-01 | |||
| JP2018187960A | 2018-11-29 | |||
| JPS5033A | 1975-01-06 | |||
| JPS63301244A | 1988-12-08 |
Attorney, Agent or Firm:
SORIMACHI Hiroshi et al. (JP)
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