Title:
ゴム組成物および空気入りタイヤ
Document Type and Number:
Japanese Patent JP6575236
Kind Code:
B2
Abstract:
An object of the present invention is to provide a rubber composition which can further improve abrasion resistance without deterioration in energy efficiency, and a pneumatic tire using the rubber composition. The rubber composition comprises a polymer mixture obtained by modifying a polymer composed of at least one of a conjugated diene compound and an aromatic vinyl compound with a compound having at least one of an ester group and a carboxyl group; at least one of triamines; and silica, the polymer mixture having a weight-average molecular weight of 1.0×10 3 to 1.0×10 5 , and the triamines being a compound represented by the following formula (I):
wherein each of R A , R B , R C , R D and R E independently represents a hydrogen atom or an alkyl group, and each of ALK 1 and ALK 2 independently represents an alkylene group.
Inventors:
Shuichiro Ohno
Application Number:
JP2015170866A
Publication Date:
September 18, 2019
Filing Date:
August 31, 2015
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
C08L15/00; B60C1/00; C08C19/28; C08C19/36; C08K3/013; C08K3/36; C08K5/17; C08L21/00
Domestic Patent References:
| JP2013177539A | ||||
| JP2013253139A | ||||
| JP2012532946A | ||||
| JP4011501A |
Foreign References:
| US4616068 |
Attorney, Agent or Firm:
Asahina Patent Office