Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2019/012945
Kind Code:
A1
Abstract:
Provided is a rubber composition capable of providing a vulcanized rubber excellent in fracture resistance, crack resistance, and low heat generation property. The rubber composition comprises a rubber component (A), a carbon black (B) having a CTAB specific surface area of 30-110 m2/g and a silica (C) having a CTAB specific surface area of 200 m2/g or larger. The total amount of the amount (b) of the carbon black (B) and the amount (c) of the silica (C) is 30-80 parts by mass relative to 100 parts by mass of the rubber component (A), and (b):(c) = (70-85):(30-15).
Inventors:
KANATOMI YOSHIHIKO (JP)
MUSHA SHINICHI (JP)
HAMATANI SATOSHI (JP)
MUSHA SHINICHI (JP)
HAMATANI SATOSHI (JP)
Application Number:
PCT/JP2018/023673
Publication Date:
January 17, 2019
Filing Date:
June 21, 2018
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; C08L21/00; C08K3/04; C08K3/36; C08L7/00
Foreign References:
| JP2011174048A | 2011-09-08 | |||
| JP2015059181A | 2015-03-30 | |||
| JP2014185340A | 2014-10-02 | |||
| JP2011074332A | 2011-04-14 | |||
| JP2013224391A | 2013-10-31 | |||
| JP2005015638A | 2005-01-20 | |||
| JP2015120804A | 2015-07-02 | |||
| JP2012082323A | 2012-04-26 |
Other References:
See also references of EP 3653666A4
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
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