Title:
RUBBER COMPOSITION, METHOD FOR PRODUCING SAME, AND TIRE PRODUCT
Document Type and Number:
WIPO Patent Application WO/2024/038877
Kind Code:
A1
Abstract:
[Problem] To provide a rubber composition which can improve abrasion resistance, grip retention properties, wet grip properties and dry grip properties of a tire. [Solution] The rubber composition according to the present invention is characterized by containing: a rubber component having a glass transition temperature of -35ºC to -5ºC; an additive for a rubber, which includes a sulfur-containing hydrocarbon polymer; and a filler, with the sulfur-containing hydrocarbon polymer being a product of a reaction between an unsaturated hydrocarbon and sulfur, the unsaturated hydrocarbon including an alicyclic unsaturated compound, the weight average molecular weight of the sulfur-containing unsaturated hydrocarbon polymer being 500-4000, and the content of the filler being 200-500 parts by mass relative to 100 parts by mass of the rubber component.
Inventors:
AKIYAMA YOICHI (JP)
ASHIURA MAKOTO (JP)
MATSUO YUSUKE (JP)
ASHIURA MAKOTO (JP)
MATSUO YUSUKE (JP)
Application Number:
PCT/JP2023/029616
Publication Date:
February 22, 2024
Filing Date:
August 16, 2023
Export Citation:
Assignee:
ENEOS CORP (JP)
International Classes:
C08L21/00; B60C1/00; C08K3/013; 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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