申请人:Ausimont S.p.A.
公开号:EP1148072A2
公开(公告)日:2001-10-24
Fluoroelastomers comprising in the polymer chain units deriving from fluorovinylethers having the formula:
CFX=CXOCF2OR (I)
wherein R is a C2-C6linear, branched or C5-C6 cyclic (per) fluoroalkyl group, or a C2-C6 linear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X = F, H.
含氟弹性体,其聚合物链中的单元来自具有以下式子的氟乙烯基醚:
cfx=cxocf2 或 (i)
其中 R 为 C2-C6 直链、支链或 C5-C6 环(全)氟烷基,或含有 1 至 3 个氧原子的 C2-C6 直链、支链(全)氟氧基烷基;当 R 为上述定义的氟烷基或氟氧基烷基时,可含有 1 至 2 个相同或不同的原子,选自以下物质:H、Cl、Br、I; X = F、H。