Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2017/209262
Kind Code:
A1
Abstract:
Provided is a rubber composition capable of improving tire fuel economy performance and wet performance, and including a diene polymer (A), a filler (B), and at least one type of resin (C) selected from the group consisting of a C5 resin, a C9 resin, a C5-C9 resin, and a dicyclopentadiene resin. The rubber composition is characterized by: the filler (B) content being 40-120 parts by mass relative to 100 parts by mass of the diene polymer (A); the filler (B) having 50%-100% by mass silica having an average primary particle diameter of at least 20 nm and a nitrogen adsorption specific surface area of no more than 150 m2/g; and the resin (C) content being 5-50 parts by mass relative to 100 parts by mass of the diene polymer (A).
Inventors:
TAKANO KOSUKE (JP)
Application Number:
PCT/JP2017/020518
Publication Date:
December 07, 2017
Filing Date:
June 01, 2017
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L9/00; B60C1/00; C08K3/36; C08L7/00; C08L15/00; C08L57/02; C08J5/00
Domestic Patent References:
| WO2013077018A1 | 2013-05-30 |
Foreign References:
| JP2013177632A | 2013-09-09 | |||
| JP2016027176A | 2016-02-18 | |||
| JP2016003318A | 2016-01-12 | |||
| JP2009035643A | 2009-02-19 |
Other References:
See also references of EP 3467018A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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