NITRILE COPOLYMER RUBBER COMPOSITION AND RUBBER CROSSLINK

Title:

NITRILE COPOLYMER RUBBER COMPOSITION AND RUBBER CROSSLINK

Document Type and Number:

WIPO Patent Application WO/2013/042764

Kind Code:

A1

Abstract:

A nitrile copolymer rubber composition of the present invention contains from 35 wt% to 85 wt% of an α,β-ethylenically unsaturated nitrile monomeric unit (a1), from 15 wt% to 65 wt% of a conjugated diene monomeric unit (a2) which may be at least partially hydrogenated, from 0 wt% to 30 wt% of a cationic monomeric unit (a3), and from 0 wt% to 50 wt% of an aromatic vinyl monomeric unit (a4). The present invention contains a nitrile copolymer rubber (A) whose combined content of the α,β-ethylenically unsaturated nitrile monomeric unit (a1) and the aromatic vinyl monomeric unit (a4) is from 35 wt% to 85 wt%, a vinyl chloride resin (B), and a plasticizer (C) having a specific structure.

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Inventors:

TSUKADA AKIRA (JP)
TAKEYAMA YOSHIHISA (JP)

Application Number:

PCT/JP2012/074201

Publication Date:

March 28, 2013

Filing Date:

September 21, 2012

Export Citation:

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Assignee:

ZEON CORP (JP)
TSUKADA AKIRA (JP)
TAKEYAMA YOSHIHISA (JP)

International Classes:

C08L9/02; C08K5/11; C08L27/06

Domestic Patent References:

WO2009096456A1	2009-08-06
WO2011016479A1	2011-02-10

Foreign References:

JP2011012132A	2011-01-20
JPH02158639A	1990-06-19
JPS5310645A	1978-01-31
JPH07149990A	1995-06-13
JPS56120735A	1981-09-22
JPH0359045A	1991-03-14
JP2011213844A	2011-10-27
JP2007277341A	2007-10-25
JP2001072804A	2001-03-21
JPS62185734A	1987-08-14
JP2007277341A	2007-10-25

Other References: