Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2018127601
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pneumatic tire which achieves both rolling resistance and wet performance of a tire, and satisfies operation stability on a snow surface.SOLUTION: A composition used for a central zone 20 and side zones 18a and 18b of an outer cap layer 12 is approximately 50 to approximately 90 phr of a solution polymerization styrene-butadiene rubber based on an elastomer, and is a solution polymerization styrene-butadiene rubber that has a glass transition temperature (Tg) of -65°C to -55°C and is functionalized with at least one functional group selected from the group consisting of an alkoxysilane group, first amine and thiol and approximately 50-approximately 10 phr of polybutadiene, and includes a combination of polybutadiene having cis-1,4 content exceeding 95% and having Tg of -80 to -110°C, 100-180 phr of precipitated silica, 30-80 phr of a resin having at least Tg of 30°C and oil. Blending ratios of the resin and the oil are different from each other in the central zone and the side zones.SELECTED DRAWING: Figure 1
Inventors:
NIHAT ALI ISITMAN
STEINER PASCAL PATRICK
MARIE CHARLOTTE CHAIDRON
GEORGES MARCEL VICTOR THIELEN
STEINER PASCAL PATRICK
MARIE CHARLOTTE CHAIDRON
GEORGES MARCEL VICTOR THIELEN
Application Number:
JP2017234203A
Publication Date:
August 16, 2018
Filing Date:
December 06, 2017
Export Citation:
Assignee:
GOODYEAR TIRE & RUBBER
International Classes:
C08L15/00; B60C1/00; B60C11/00; C08K3/36; C08L65/00; C08L91/00
Domestic Patent References:
| JP2009137471A | 2009-06-25 | |||
| JP2011173510A | 2011-09-08 |
Foreign References:
| US20160159147A1 | 2016-06-09 | |||
| US20160159157A1 | 2016-06-09 |
Attorney, Agent or Firm:
Shinjiro Ono
Osamu Yamamoto
Toru Miyamae
Motoharu Nakanishi
Hiroaki Noya
Osamu Yamamoto
Toru Miyamae
Motoharu Nakanishi
Hiroaki Noya