Title:
ゴム組成物およびタイヤ
Document Type and Number:
Japanese Patent JP6802178
Kind Code:
B2
Abstract:
Provided is a rubber composition capable of achieving both the low loss property and the wear resistance at a high degree, and a tire capable of achieving both the low loss property and the wear resistance at a high degree. The rubber composition comprises: a rubber component comprising at least a polymer component P1 and a polymer component P2; and a filler comprising at least silica, wherein: a glass-transition temperature Tg 1 of the polymer component P1 and a glass-transition temperature Tg 2 of the polymer component P2 satisfy a relation that 0 < |Tg 1 -Tg 2 | ¤ 20; the polymer components P1 and P2 are insoluble to each other in sub-micron order; and 80% or more of a total amount of the filler exists in a phase of the polymer component P2. The tire uses the rubber composition for a tread member.
Inventors:
Shunsuke Saji
Hideyuki Sakurai
Hideyuki Sakurai
Application Number:
JP2017548642A
Publication Date:
December 16, 2020
Filing Date:
November 02, 2016
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
C08L15/00; B60C1/00; C08K3/36; C08L7/00; C08L9/00; C08L9/06
Domestic Patent References:
| JP2013536268A | ||||
| JP2001131343A | ||||
| JP10237224A | ||||
| JP2011246561A |
Foreign References:
| WO2013077018A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kazuyuki Tomita
Masaki Kato
Mitsutsugu Sugimura
Kazuyuki Tomita
Masaki Kato