Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
Japanese Patent JP2021050340
Kind Code:
A
Abstract:
To provide a rubber composition capable of highly achieving both low loss property and abrasion resistance and to provide a tire composed of the composition.SOLUTION: There is provided a rubber composition comprising a rubber component containing at least a polymer component P1 and a polymer component P2 and a filler containing at least silica, wherein the glass transition temperature (Tg1) of the polymer component P1 and the glass transition temperature (Tg2) of the polymer component P2 satisfy the relation of 0<|Tg1-Tg2|≤20, the polymer components P1 and P2 are in submicron order and are incompatible each other, 80% or more of the total amount of the filler exists in a phase of the polymer component P2. There is provided a tire in which the rubber composition is used for a tread member.SELECTED DRAWING: None
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Inventors:
SAJI SHUNSUKE
SAKURAI HIDEYUKI
SAKURAI HIDEYUKI
Application Number:
JP2020196406A
Publication Date:
April 01, 2021
Filing Date:
November 26, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
C08L101/00; B60C1/00; C08C19/30; C08K3/36; C08L7/00; C08L9/00; C08L15/00
Domestic Patent References:
| JP2008031427A | 2008-02-14 | |||
| JP2009263587A | 2009-11-12 | |||
| JP2013536268A | 2013-09-19 | |||
| JP2012246334A | 2012-12-13 |
Foreign References:
| WO2009050944A1 | 2009-04-23 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kazuyuki Tomita
Masaki Kato
Mitsutsugu Sugimura
Kazuyuki Tomita
Masaki Kato