Title:
A rubber composition and a pneumatic tire
Document Type and Number:
Japanese Patent JP6161510
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To achieve both wet road brake performance and rolling resistance performance while maintaining tear resistance.SOLUTION: There is provided a rubber composition containing 100 pts.mass of diene rubber, 10 to 150 pts.mass of silica, 1 to 30 pts.mass of a diene polymer chain having at least one group represented by the general formula (1) in a molecule and a main chain with a number average molecular weight of 4000 to 50000, and 1 to 30 pts.mass of at least one kind of resin selected from a group consisting of petroleum resin, rosin-based resin, and styrenic resin. In the general formula (1), R, R, and Rare an alkyl group or alkoxy group having 1 to 6 carbon atoms and at least one is an alkoxy group, X is a hydrocarbon group having 1 to 18 carbon atoms, and Y is an urethane bond, an amide bond, an imide bond, and an urea bond.
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Inventors:
Satoshi Sagitani
Application Number:
JP2013222566A
Publication Date:
July 12, 2017
Filing Date:
October 25, 2013
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO.,LTD.
International Classes:
C08L9/00; B60C1/00; C08K3/36; C08L15/00; C08L25/04; C08L57/02; C08L93/04
Domestic Patent References:
| JP2005350603A | ||||
| JP2006063209A | ||||
| JP2006213777A | ||||
| JP2007284645A | ||||
| JP2009513806A | ||||
| JP2011099003A | ||||
| JP2013028650A |
Foreign References:
| US20130096248 |
Attorney, Agent or Firm:
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Tamako Tsutada
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Tamako Tsutada