Title:
RUBBER COMPOSITION, BELT-COATING RUBBER, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2018/230048
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a rubber composition which can attain both low-loss characteristics and crack propagation resistance on a high level. The rubber composition of the present invention is characterized by comprising a rubber component, carbon black having a DBP absorption of 50-100 cm3/100 g, a phenolic resin, and a methylene donor. The rubber composition is further characterized in that the ratio of the 200% modulus (M200) to the 50% modulus (M50) is 5.0 or less (M200/M50≤5.0).
Inventors:
AMIYA MOTOKI (JP)
NUKAGA HIDEYUKI (JP)
NUKAGA HIDEYUKI (JP)
Application Number:
PCT/JP2018/006522
Publication Date:
December 20, 2018
Filing Date:
February 22, 2018
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L21/00; B60C1/00; C08K3/04; C08K3/36; C08K5/3492; C08L61/00
Foreign References:
| JP2015054927A | 2015-03-23 | |||
| JP2012233139A | 2012-11-29 | |||
| JP2012077136A | 2012-04-19 | |||
| JP2013006998A | 2013-01-10 | |||
| JP2016037547A | 2016-03-22 |
Other References:
See also references of EP 3640293A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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