Title:
STUDLESS TIRE RUBBER COMPOSITION AND STUDLESS TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/189328
Kind Code:
A1
Abstract:
To achieve a studless tire rubber composition that suppresses retardation of vulcanization and can improve on-ice performance while maintaining breaking strength, the present invention includes: at least 20 parts by mass of an inorganic filler per 100 parts by mass of a diene rubber that includes at least 30 parts by mass of a polybutadiene rubber; and, relative to the inorganic filler, 10–40 mass% of basic magnesium sulfate inorganic fibers that have an average diameter of less than 1 μm.
Inventors:
NAKAGAWA RYUTARO (JP)
AKAHORI YAYOI (JP)
AKAHORI YAYOI (JP)
Application Number:
PCT/JP2020/009618
Publication Date:
September 24, 2020
Filing Date:
March 06, 2020
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C1/00; B60C11/00; C08K3/00; C08K5/42; C08K7/08; C08L7/00; C08L9/00; C08L15/00
Domestic Patent References:
| WO2015174229A1 | 2015-11-19 |
Foreign References:
| JP2015189797A | 2015-11-02 | |||
| JP2008222845A | 2008-09-25 | |||
| JP2012121559A | 2012-06-28 | |||
| JPH06145529A | 1994-05-24 | |||
| JPH1135736A | 1999-02-09 |
Attorney, Agent or Firm:
NODA, Shigeru (JP)
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