申请人:ZEON CORPORATION
公开号:US20140220279A1
公开(公告)日:2014-08-07
A nitrile copolymer rubber composition containing a nitrile copolymer rubber (A) which contains α,β-ethylenically unsaturated nitrile monomer units (a1) 35 to 85 wt %, conjugated diene monomer units which may be at least partially hydrogenated (a2) 15 to 65 wt %, cationic monomer units (a3) 0 to 30 wt %, and aromatic vinyl monomer units (a4) 0 to 50 wt %, the total content of the α,β-ethylenically unsaturated nitrile monomer units (a1) and the aromatic vinyl monomer units (a4) being 35 to 85 wt %, a vinyl chloride resin (B), and a plasticizer (C) with a specific structure is provided.