Patent ID: 6649272
Filing Date: 2003-11-18
Classification: C08G,Y10T

Abstract:
A composition comprising the reaction product obtainable after a substantially complete condensation reaction of:(A) at least one fluorochemical polyether silane compound the formula: Rfâ€”[Qâ€”CR2â€”Si(Y)3âˆ’x(R1)x]z wherein Rf represents a multivalent polyfluoropolyether segment, Q represents an organic divalent linking group, R1 represents a C1-C8 alkyl group, Y represents a hydrolysable group, R represents hydrogen or an alkyl group of 1 to 4 carbon atoms whereby the R groups may be the same or different, z is 2, 3 or 4 and x is 0 or 1; and(B) a substantial amount of one or more non-fluorinated compounds of an element M selected from the group consisting of Si, Ti, Zr, B, Al, Ge, V, Pb, Sn and Zn and having at least two hydrolysable groups per molecule; wherein the hydrolysable groups in components (A) and (B) may be the same or different and are independently selected from a halide group, an alkoxy group, an acyloxy group, an aryloxy group or a polyoxyalkylene group.