Title:
ゴム組成物およびタイヤ
Document Type and Number:
Japanese Patent JP7191667
Kind Code:
B2
Abstract:
To provide a rubber composition having highly balanced WET performance, low-loss properties and steering stability.SOLUTION: The rubber composition contains a diene rubber component, a styrene-alkylene block copolymer, a polyolefin-based softener, and a reinforcing filler. The total styrene content of the styrene-alkylene block copolymer is 30 mass% or more based on the total mass of the styrene-alkylene block copolymer. The polyolefin-based softener contains one or more selected from the group consisting of alkene polymers and hydrogenated diene polymers. The reinforcing filler is contained in an amount of 45 pts.mass or more per 100 pts.mass of the diene rubber component.SELECTED DRAWING: None
Inventors:
Satoshi Ishikawa
Application Number:
JP2018231991A
Publication Date:
December 19, 2022
Filing Date:
December 11, 2018
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
C08L9/06; B60C1/00; C08K3/36; C08L7/00; C08L15/00; C08L23/02; C08L25/08; C08L53/00
Domestic Patent References:
| JP2015110704A | ||||
| JP2018087286A | ||||
| JP2008255168A | ||||
| JP2013035892A | ||||
| JP2012531486A | ||||
| JP2018030933A | ||||
| JP2018001632A | ||||
| JP2007154132A | ||||
| JP3296545A |
Foreign References:
| WO2018186367A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kazuyuki Tomita
Masaki Kato
Mitsutsugu Sugimura
Kazuyuki Tomita
Masaki Kato