申请人:——
公开号:US20030065132A1
公开(公告)日:2003-04-03
Compositions of specialty fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, optionally vinylidene fluoride, and a cure site monomer selected from the group consisting of i) trifluoroethylene, ii) 3,3,3-trifluoropropene-1, iii) 1,2,3,3,3-pentafluoropropylene, iv) 1,1,3,3,3-pentafluoropropylene, and v) 2,3,3,3-tetrafluoropropene are readily curable with polyhydroxy curing systems. The resulting cured articles have a combination of excellent resistance to alkaline fluids, superior tensile properties and compression set resistance.
特种含氟弹性体组合物,含有四氟乙烯、丙烯、可选偏氟乙烯和固化位点单体的共聚单元,固化位点单体选自以下组别:i) 三氟乙烯、3,3,3-三氟丙烯-1,iii) 1,2,3,3,3-五氟丙烯,iv) 1,1,3,3,3-五氟丙烯,以及 v) 2,3,3,3-四氟丙烯。固化后的产品具有优异的抗碱性流体性能、卓越的拉伸性能和抗压缩永久变形性能。