Title:
NITRILE RUBBER COMPOSITION AND CROSSLINKED RUBBER PRODUCT
Document Type and Number:
WIPO Patent Application WO/2016/148055
Kind Code:
A1
Abstract:
Provided is a nitrile rubber composition characterized by containing carboxyl group-containing highly saturated nitrile rubber (a) containing α,β-ethylenic unsaturated nitrile monomer units in a proportion of 5-60 wt% and having an iodine value of 120 or lower, filler (b), and polyamine crosslinking agent (c) wherein the content of filler (b) is from 100 parts by weight to less than 200 parts by weight per 100 parts by weight of the carboxyl group-containing highly saturated nitrile rubber (a). The invention provides a nitrile rubber composition capable of giving a crosslinked rubber product having excellent normal-state physical properties, compression set resistance, and sour gasoline resistance, and low permanent elongation.
Inventors:
MOSAKI SHIHO (JP)
INOUE SAYAKA (JP)
INOUE SAYAKA (JP)
Application Number:
PCT/JP2016/057743
Publication Date:
September 22, 2016
Filing Date:
March 11, 2016
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08F236/12; C08L9/02; C08K3/36; C08K5/17; C08L13/00
Domestic Patent References:
| WO2010038720A1 | 2010-04-08 | |||
| WO2010087431A1 | 2010-08-05 | |||
| WO2012090941A1 | 2012-07-05 | |||
| WO2015012329A1 | 2015-01-29 | |||
| WO2012002356A1 | 2012-01-05 |
Foreign References:
| JP2011037935A | 2011-02-24 | |||
| JP2003120824A | 2003-04-23 | |||
| JP2003313539A | 2003-11-06 | |||
| JP2009120691A | 2009-06-04 | |||
| JP2008222891A | 2008-09-25 | |||
| JP2007224161A | 2007-09-06 |
Other References:
See also references of EP 3269768A4
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)
Download PDF: