Patent ID: 6297339
Filing Date: 2001-10-02
Classification: C08G,C08L

Abstract:
A crosslinkable millable fluororubber composition comprising(A) 100 parts by weight of a non-flowing gel-like polymer comprising a fluorinated compound having at least two alkenyl groups in the molecule and a divalent perfluoroalkylene or divalent perfluoropolyether structure in the backbone and a compound having at least three hydrosilyl groups in the molecule and capable of addition reaction with alkenyl groups, wherein the hydrosilyl-bearing compound is added to some of the alkenyl groups in the fluorinated compound by addition reaction,(B) 1 to 100 parts by weight of a reinforcing filler, and(C) a sufficient amount to cure component (A) of a crosslinking agent having at least two hydrosilyl groups in the molecule and capable of addition reaction or a peroxide crosslinking agent.