Flurofunctional statistical polymers with low glass transition temperature and method for obtaining the same
申请人:——
公开号:US20040254319A1
公开(公告)日:2004-12-16
The invention concerns fluorofunctional statistical polymers of formula (V1), wherein: X, Y and Z represent a hydrogen atom and exhibiting in particular low glass transition temperatures obtained in particular from a B monomer of formula (I): F2C═CF—RF—SO2F, wherein: RF represents one or several vinylidene fluoride units and/or a hexafluoropropene unit and/or a chlorotrifluoroerthylene unit. The crosslinkable fluorosulphonated elastomers thus obtained are advantageously usable for making membranes, polymeric electrolytes, ionomers, membranes for fuel cells in particular hydrogen or methanol fuel cells, for obtaining gaskets and O-rings, rubber hose, pipes, pump bodies, diaphragms, piston heads (used in aeronautics, oil, automotive, mining and nuclear industries) and for plastics processes (as processing aids).
该发明涉及公式(V1)的含氟功能性统计聚合物,其中:X、Y和Z表示氢原子,特别是从公式(I)的B单体中获得的具有低玻璃转移温度的聚合物,其中:RF表示一个或多个重氟乙烯单元和/或六氟丙烯单元和/或氯三氟乙烯单元。因此获得的可交联的含氟磺酸弹性体可优选用于制备膜、聚合物电解质、离子聚合物、燃料电池膜,特别是氢或甲醇燃料电池膜,以获得垫片和O型圈、橡胶软管、管道、泵体、隔膜、活塞头(用于航空、石油、汽车、采矿和核工业)和塑料加工(作为加工助剂)。