Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2023/248553
Kind Code:
A1
Abstract:
The present invention improves steering stability during high-speed running, especially response at corner entry. The tire according to the present invention includes a tread, wherein a cap rubber layer as a part of the tread is made of a rubber composition which contains a styrene/butadiene rubber (SBR) having a styrene content of 25 mass% or less in an amount of 80-100 parts by mass per 100 parts by mass of the rubber component, contains silica in an amount of 100 parts by mass or smaller per 100 parts by mass of the rubber component, and has a complex elastic modulus (30°CE*), as determined under the conditions of a temperature of 30°C, a frequency of 10 Hz, an initial strain of 5%, and a dynamic strain rate of 1% in the tensile deformation mode, of above 8.0 MPa. The tread has a thickness of 8.5 mm or less.
Inventors:
SUZUKI YUMI (JP)
NAKAMURA KENTARO (JP)
NAKAMURA KENTARO (JP)
Application Number:
PCT/JP2023/008974
Publication Date:
December 28, 2023
Filing Date:
March 09, 2023
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C11/00; B60C1/00; B60C11/03; C08F236/10; C08K3/36; C08L9/06
Foreign References:
| JP2017218042A | 2017-12-14 | |||
| JP2021025036A | 2021-02-22 | |||
| JPH05178011A | 1993-07-20 | |||
| JP2018505809A | 2018-03-01 | |||
| JP2013001805A | 2013-01-07 |
Attorney, Agent or Firm:
JODAI Tetsuji et al. (JP)
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