Title:
RUBBER COMPOSITION FOR TIRE TREAD, AND TIRE
Document Type and Number:
Japanese Patent JP2023157717
Kind Code:
A
Abstract:
To improve wet performance and low heat build-up properties in a well-balanced manner.SOLUTION: A rubber composition for a tire tread according to an embodiment contains 5-50 pts.mass of a polyterpene resin having a softening point of 110°C or higher and a glass transition point of 55°C or higher and containing a β-pinene unit and 50-150 pts.mass of silica with respect to 100 pts.mass of a rubber component containing 40 pts.mass or more of at least one selected from the group consisting of a natural rubber and a synthetic isoprene rubber.SELECTED DRAWING: None
Inventors:
HIRABAYASHI KAZUYA
MINOCHI NORIO
MINOCHI NORIO
Application Number:
JP2022067796A
Publication Date:
October 26, 2023
Filing Date:
April 15, 2022
Export Citation:
Assignee:
TOYO TIRE CORP
International Classes:
C08L7/00; B60C1/00; C08K3/36; C08L9/00; C08L45/00
Attorney, Agent or Firm:
Patent Attorney Corporation Tsutata Patent Office
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