Title:
トレッド用ゴム組成物及び空気入りタイヤ
Document Type and Number:
Japanese Patent JP6992469
Kind Code:
B2
Abstract:
Provided are a rubber composition, for a tread, which allows both wet grip performance and fuel economy to be improved in a well-balance manner, and a pneumatic tire using the rubber composition. Provided is a rubber composition, for a tread, which includes: a predetermined amount of a rubber component that contains a styrene-butadiene rubber having a predetermined bound styrene content, a predetermined vinyl content, and a predetermined weight average molecular weight; and a predetermined amount of each of carbon black, silica, aluminium hydroxide and/or aluminium oxide, a predetermined silane coupling agent, and a softener component containing an aromatic resin.
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Inventors:
Ayuko Yamada
Application Number:
JP2017238710A
Publication Date:
January 13, 2022
Filing Date:
December 13, 2017
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
C08L9/06; B60C1/00; C08K3/04; C08K3/22; C08K3/36; C08K5/548; C08L101/02
Domestic Patent References:
| JP201513974A | ||||
| JP2016113051A | ||||
| JP2005272630A |
Attorney, Agent or Firm:
Patent Business Corporation Yasutomi International Patent Office
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