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Title:
HYDROGENATED NITRILE RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2013/038835
Kind Code:
A1
Abstract:
A hydrogenated nitrile rubber composition obtained by blending 100 parts by weight of a hydrogenated nitrile rubber which has a bound acrylonitrile content of 31 to 50% and an iodine number of 30mg/100mg or less with 30 to 300 parts by weight of carbon black having a particle diameter of 61nm or larger and/or other filler, 0.5 to 30 parts by weight of a co-cross-linking agent consisting of a polyfunctional unsaturated compound and 1 to 10 parts by weight of an organic peroxide. The hydrogenated nitrile rubber composition exhibits excellent rollability and can be suitably used as a vulcanizable molding material for forming an excellently LLC-resistant cup gasket or bellows for the mechanical seal of a water pump.

Inventors:
KOBAYASHI Osamu (Ltd. 1-12-15 Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
小林 修 (〒87 東京都港区芝大門1-12-15 イーグル工業株式会社内 Tokyo, 〒1058587, JP)
Application Number:
JP2012/069852
Publication Date:
March 21, 2013
Filing Date:
August 03, 2012
Export Citation:
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Assignee:
Eagle Industry Co., Ltd. (1-12-15, Shiba-Daimon Minato-k, Tokyo 87, 〒1058587, JP)
イーグル工業株式会社 (〒87 東京都港区芝大門1-12-15 Tokyo, 〒1058587, JP)
KOBAYASHI Osamu (Ltd. 1-12-15 Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
International Classes:
C09K3/10; C08K3/04; C08K5/103; C08K5/14; C08L15/00; F04B53/00; F04D29/12; F16J3/04; F16J15/34
Domestic Patent References:
WO2006009181A12006-01-26
Foreign References:
JP2011122105A2011-06-23
JP2009085338A2009-04-23
JP2006213743A2006-08-17
JP2006131700A2006-05-25
JP2002080639A2002-03-19
JP2005265075A2005-09-29
JP2001354806A2001-12-25
JP3676338B22005-07-27
JP2006131700A2006-05-25
JP2002080639A2002-03-19
Other References:
See also references of EP 2700692A4
Attorney, Agent or Firm:
YOSHIDA Toshio et al. (YOSHIDA PATENT OFFICE No.401, Mirum Shiroganedai Bldg. 1-4, Kami-Osaki 1-chome, Shinagawa-k, Tokyo 21, 〒1410021, JP)
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Claims: