Patent ID: 6759467
Filing Date: 2004-07-06
Classification: C08G,C08K

Abstract:
A curable fluoropolyether base rubber composition comprising:(A) 100 parts by weight of linear fluoropolyether compound containing at least two alkenyl groups in a molecule and having a perfluoroalkyl ether structure in its backbone, (B) 10 to 50 parts by weight of a silica filler having a specific surface area of at least 100 m2/g and a bulk density of 100 to 200 g/l, (C) an effective amount to cure component (A) of an organosilicon compound having at least two hydrogen atoms each bound to a silicon atom in a molecule, and (D) a catalytic amount of a hydrosilylation catalysts wherein said composition has a viscosity of 50 to 2,000 Pa's at 25Â° C.