申请人:Zeon Corporation
公开号:EP2746330A1
公开(公告)日:2014-06-25
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.
一种丁腈共聚物橡胶组合物,含有丁腈共聚物橡胶(A),其中α,β-乙烯基不饱和丁腈单体单元(a1)占 35 至 85 wt%,共轭二烯单体单元(可至少部分氢化)(a2)占 15 至 65 wt%,阳离子单体单元(a3)占 0 至 30 wt%,芳香乙烯基单体单元(a4)占 0 至 50 wt%、芳香族乙烯基单体单元(a4)0 至 50 wt%,α,β-乙烯基不饱和腈单体单元(a1)和芳香族乙烯基单体单元(a4)的总含量为 35 至 85 wt%,提供一种氯乙烯树脂(B)和一种具有特定结构的增塑剂(C)。