Title:
RUBBER COMPOSITION COMPRISING HIGHLY SATURATED NITRILE COPOLYMER RUBBER AND ETHYLENE-'alpha'-OLEFIN COPOLYMER RUBBER
Document Type and Number:
WIPO Patent Application WO/1997/016484
Kind Code:
A1
Abstract:
A vulcanizable rubber composition comprising a highly saturated nitrile copolymer rubber prepared by hydrogenating the conjugated diene moieties of an unsaturated nitrile-conjugated diene-unsaturated dicarboxylic ester (preferably a dialkyl ester of an unsaturated dicarboxylic acid) copolymer, an ethylene-'alpha'-olefin copolymer rubber (preferably an ethylene-'alpha'-olefin-nonconjugated diene copolymer rubber), and an organic peroxide vulcanizing agent. The product of vulcanization of this composition exhibits excellent and well-balanced cold, oil and weathering resistances and is improved in heat resistance and compression set, so that it is useful for rubber-made parts which come into contact with various oils or gases and are required to be resistant to cold and oils.
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Inventors:
AIMURA YOSHIAKI (JP)
OHNISHI HIROKO (JP)
OHNISHI HIROKO (JP)
Application Number:
PCT/JP1996/002847
Publication Date:
May 09, 1997
Filing Date:
October 01, 1996
Export Citation:
Assignee:
NIPPON ZEON CO (JP)
AIMURA YOSHIAKI (JP)
OHNISHI HIROKO (JP)
AIMURA YOSHIAKI (JP)
OHNISHI HIROKO (JP)
International Classes:
C08K5/14; C08L9/02; C08L15/00; C08L21/00; C08L23/08; C08L23/16; (IPC1-7): C08L9/02; C08L15/00; C08L23/16
Foreign References:
| JPH0686554B2 | 1994-11-02 | |||
| JPS6140342A | 1986-02-26 |
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