Patent ID: 6703450
Filing Date: 2004-03-09
Classification: C08F

Abstract:
A curable fluoroelastomer composition comprisingA) a specialty fluoroelastomer comprising copolymerized units of 45 to 80 weight percent tetrafluoroethylene; 10 to 40 weight percent propylene; and 0.1 to 15 weight percent of 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; B) 0.1 to 20 parts by weight per 100 parts fluoroelastomer of a polyhydroxy curing agent; C) 1 to 30 parts by weight per 100 parts fluoroelastomer of an acid acceptor; and D) 0.1 to 20 parts by weight per 100 parts fluoroelastomer of a vulcanization accelerator.