Title:
TIRE USING TREAD COMPRISING HIGHLY SILICA-CONTAINING RUBBER FOR PERFORMANCE FOR WINTER SEASON
Document Type and Number:
Japanese Patent JP2008001900
Kind Code:
A
Abstract:
To provide a tire having a tread aiming performances for winter season.
The tire tread comprises reinforcing fillers comprising precipitated silica having a low BET nitrogen specific surface area and optionally carbon black for reinforcing rubber, and a compatible rubber compound comprising at least 40 phr of cis-1,4-polybutadiene rubber and high vinyl content SBR produced by specified solution polymerization. The compatibility of a combination of BR having -100C or lower relatively low glass transition temperature (Tg) with HVS-SBR having at least 30C or higher relatively high Tg (thereby, the difference of Tg is at least 70C) is promoted by a high HVS-SBR vinyl content of about 40 to 50 percent on the basis of the polybutadiene component.
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Inventors:
JACOBY CLAUDE CHARLES
ZANZIG DAVID JOHN
ZANZIG DAVID JOHN
Application Number:
JP2007161686A
Publication Date:
January 10, 2008
Filing Date:
June 19, 2007
Export Citation:
Assignee:
GOODYEAR TIRE & RUBBER
International Classes:
C08L9/00; B60C1/00; C08K3/36; C08K5/5415
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroaki Noya
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroaki Noya