Title:
RUBBER COMPOSITION, COMPLEX, HOSE, CONVEYOR BELT, CRAWLER, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/065245
Kind Code:
A1
Abstract:
Provided is a rubber composition that contains at least CR as a rubber component, and has the ability to provide adhesion between rubber and metal at a level comparable to or better than a rubber composition containing a cobalt salt. This rubber composition contains a rubber component and a rubber-metal adhesion accelerator, wherein the rubber component includes at least 10 parts by mass of CR with respect to 100 parts by mass of the rubber component, and the rubber-metal adhesion accelerator includes at least one selected from the group consisting of metal salts (1) of an aliphatic carboxylic acid and compounds (2) having a specific structure.
Inventors:
HIGA TOMOKI (JP)
Application Number:
PCT/JP2020/031735
Publication Date:
April 08, 2021
Filing Date:
August 21, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L11/00; B60C1/00; B62D55/253; B65G15/32; C08K3/22; C08K3/36; C08K5/098; C08K5/52; C08K5/521; C08K5/55; C08L21/00; C08L61/06; F16L11/04
Domestic Patent References:
WO2016039375A1 | 2016-03-17 | |||
WO2019087499A1 | 2019-05-09 | |||
WO2016039375A1 | 2016-03-17 | |||
WO2017056414A1 | 2017-04-06 |
Foreign References:
JP2017025309A | 2017-02-02 | |||
CN107163308A | 2017-09-15 | |||
CN105315527A | 2016-02-10 | |||
JPH0885739A | 1996-04-02 | |||
JP2006160826A | 2006-06-22 | |||
JPH04230397A | 1992-08-19 | |||
JP2016160295A | 2016-09-05 | |||
JP2018021664A | 2018-02-08 | |||
JPH06329839A | 1994-11-29 | |||
JP2016035002A | 2016-03-17 | |||
JPH07109478A | 1995-04-25 |
Other References:
See also references of EP 4039740A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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