Title:
RUBBER COMPOSITION FOR TIRE
Document Type and Number:
Japanese Patent JP2023042171
Kind Code:
A
Abstract:
To provide a rubber composition for tires which makes it possible to improve snow performances, wet performances at ordinary temperature and in low-temperature environments, and aging resistance to thereby attain a high degree of balance among these performances.SOLUTION: A white filler of 50 pts.mass or more is incorporated into 100 pts.mass of a diene-based rubber which includes a specific modified conjugated-diene-based polymer represented by formula (1) of 10 mass% or more and less than 40 mass%, and rubber components other than the specific modified conjugated-diene-based polymer which are contained in the diene-based rubber have an average glass transition temperature regulated to -45°C or lower.SELECTED DRAWING: Figure 1
Inventors:
NAKAGAWA RYUTARO
KAWAGUCHI REI
KAWAGUCHI REI
Application Number:
JP2021149334A
Publication Date:
March 27, 2023
Filing Date:
September 14, 2021
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
C08L15/00; B60C1/00; C08K3/013; C08L9/06
Domestic Patent References:
| JP2019094390A | 2019-06-20 | |||
| JP2018145234A | 2018-09-20 | |||
| JP2021120448A | 2021-08-19 |
Foreign References:
| WO2017221943A1 | 2017-12-28 | |||
| WO2020196899A1 | 2020-10-01 | |||
| WO2021085616A1 | 2021-05-06 |
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Daytime Takayoshi
Sakazawa Masao
Daytime Takayoshi
Sakazawa Masao