Title:
TYRE RUBBER COMPOSITION, AND TYRE
Document Type and Number:
WIPO Patent Application WO/2023/047752
Kind Code:
A1
Abstract:
The present invention discloses a rubber composition for a tyre which, in one embodiment, is obtained by mixing, in relation to 100 parts by mass of a diene rubber containing SBR with a styrene amount of 30 mass% or more: 140 to 300 parts by mass of silica with an N2SA of 100 to 300 m2/g and an N2SA/CTAB specific surface area value of 1.10 or less; 15 or more parts by mass of aluminium hydroxide; 5 or more parts by mass of an unmodified liquid styrene/butadiene copolymer rubber with a vinyl amount of 50 mass% or more; and 15 or more parts by mass of a tackifier resin with a softening point of 60°C to 180°C.
Inventors:
HIJIKATA KENSUKE (JP)
Application Number:
PCT/JP2022/026181
Publication Date:
March 30, 2023
Filing Date:
June 30, 2022
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L9/06; B60C1/00; C08K3/22; C08K3/36; C08K5/548; C08K9/06; C08L45/00
Domestic Patent References:
| WO2014002750A1 | 2014-01-03 |
Foreign References:
| JP2021143235A | 2021-09-24 | |||
| JP2021088676A | 2021-06-10 | |||
| JP2019131757A | 2019-08-08 | |||
| JP2019112598A | 2019-07-11 | |||
| JP2018131611A | 2018-08-23 | |||
| JP2016084457A | 2016-05-19 | |||
| JP2005213483A | 2005-08-11 | |||
| JP2000159935A | 2000-06-13 | |||
| JP2015013974A | 2015-01-22 | |||
| JP2000204196A | 2000-07-25 | |||
| JP2004155807A | 2004-06-03 | |||
| JP2022112201A | 2022-08-02 |
Attorney, Agent or Firm:
NODA, Shigeru (JP)
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