Title:
RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2021054991
Kind Code:
A
Abstract:
To provide a rubber composition for tires capable of improving wet grip properties, low rolling resistance and wear resistance of a tire in a well-balanced manner.SOLUTION: The rubber composition for heavy duty tires according to the present invention contains a diene rubber, silica, and a silane compound represented by the following formula (1). The diene rubber contains 50 mass% or more of an isoprene rubber. The average glass transition temperature of the diene rubber is -90°C or higher and lower than -50°C. The content of the silane compound is 0.5 pt.mass or more and 30 pts.mass or less based on 100 pts.mass of the silica. The rubber composition for heavy duty tires has a type A rubber hardness specified by ISO standard at a temperature of 0°C after curing of 55 or more and 70 or less.SELECTED DRAWING: Figure 1
Inventors:
ASHIURA MAKOTO
CHINO KEISUKE
MATSUO YUSUKE
TSUTSUMI TOSHIYUKI
AKIYAMA YOICHI
CHINO KEISUKE
MATSUO YUSUKE
TSUTSUMI TOSHIYUKI
AKIYAMA YOICHI
Application Number:
JP2019180902A
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
ENEOS CORP
International Classes:
C08L9/00; B60C1/00; C07F7/18; C08K3/36; C08K5/31; C08K5/54; C08K5/548; C08L7/00
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Yukitaka Nakamura
Satoru Asakura