Title:
冬用タイヤトレッド用ゴム組成物及び冬用タイヤ
Document Type and Number:
Japanese Patent JP7322333
Kind Code:
B2
Abstract:
To improve a snow performance, a wet performance and processability.SOLUTION: A rubber composition for a winter tire tread according to an embodiment contains 60-140 pts.mass of silica and 0.1-20 pts.mass of a cyclic alkoxide represented by a following general formula (1) based on 100 pts.mass of a rubber component containing 10-40 pts.mass of natural rubber, 20-80 pts.mass of styrene-butadiene rubber, and 10-40 pts.mass of polybutadiene rubber. In the formula (1), M represents a divalent metal atom; and R1 and R2 each represent a hydrogen atom, an alkyl group, a hydroxy group-substituted alkyl group, an amino group-substituted alkyl group or a thiol group-substituted alkyl group.SELECTED DRAWING: None
Inventors:
Keisuke Iwakuni
Application Number:
JP2019239133A
Publication Date:
August 08, 2023
Filing Date:
December 27, 2019
Export Citation:
Assignee:
TOYO TIRE Co., Ltd.
International Classes:
C08L9/06; B60C1/00; C08K3/36; C08K5/057; C08L7/00; C08L9/00; C08L57/02
Domestic Patent References:
| JP2009263587A | ||||
| JP2017214508A | ||||
| JP2017133026A |
Foreign References:
| WO2019151179A1 | ||||
| WO2018100993A1 | ||||
| US10087306 |
Attorney, Agent or Firm:
Masato Tsutada
Satoshi Nakamura
Katsuyuki Tomita
Yasuomi Arichika
Ryu Maezawa
Waterfowl Masahiro
Satoshi Nakamura
Katsuyuki Tomita
Yasuomi Arichika
Ryu Maezawa
Waterfowl Masahiro