Title:
NITRILE RUBBER COMPOSITION, CROSSLINKABLE RUBBER COMPOSITION, AND CROSSLINKED RUBBER PRODUCT
Document Type and Number:
WIPO Patent Application WO/2014/175415
Kind Code:
A1
Abstract:
Provided is a nitrile rubber composition comprising (A) a carboxyl-group-containing nitrile rubber having a iodine value of 120 or less and (B) bituminous coal. The bituminous coal (B) preferably has a carbon purity of 60 to 95 wt%, and preferably has a volume average particle diameter of 2 to 10 μm. According to the present invention, a nitrile rubber composition which enables the production of a crosslinked rubber product having good normal state physical properties and also having excellent compression permanent strain resistance and oil resistance (particularly oil resistance to lubricant oils and fuel oils) is provided.
Inventors:
FUKUMINE YOSHIO (JP)
Application Number:
PCT/JP2014/061672
Publication Date:
October 30, 2014
Filing Date:
April 25, 2014
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08L13/00; C08K3/04; C08K5/17; C08L95/00; C09K3/10
Domestic Patent References:
| WO2010087431A1 | 2010-08-05 | |||
| WO2007072900A1 | 2007-06-28 | |||
| WO2005030859A1 | 2005-04-07 |
Foreign References:
| JP2003119320A | 2003-04-23 | |||
| JP2006213743A | 2006-08-17 | |||
| JP2003322262A | 2003-11-14 | |||
| JP2003246976A | 2003-09-05 | |||
| JP2001055471A | 2001-02-27 |
Other References:
See also references of EP 2990438A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
It can exceed and is a patent business corporation. (JP)
It can exceed and is a patent business corporation. (JP)
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