Title:
RUBBER COMPOSITION FOR TIRE TREAD
Document Type and Number:
Japanese Patent JP2007023101
Kind Code:
A
Abstract:
To improve wet-grip performance of a rubber composition for tire tread without sacrificing a mixing processability.
The rubber composition for tire tread contains 100 pts.wt. of a diene rubber component containing ≥50 wt.% styrene-butadiene copolymer rubber (SBR) having a glass transition temperature (Tg) of -30°C to 0°C and 5-50 pts.wt. of wollastonite having an average particle diameter D50 of 1-15 μm and an aspect ratio of 3-25 provided that the total amount of wollastonite, carbon black and silica is 90-200 pts.wt.
Inventors:
TAKASE KAZUHIRO
Application Number:
JP2005204490A
Publication Date:
February 01, 2007
Filing Date:
July 13, 2005
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
C08L9/06; B60C1/00; C08K3/04; C08K3/34; C08K3/36
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Masaya Nishiyama
Takashi Ishida
Tetsuji Koga
Masaya Nishiyama