Patent ID: 8519078

Claim:
A polyether-modified polysiloxane containing a perfluoropolyether group represented by the following general formula (1): wherein Rf represents a straight chain or branched perfluoroalkyl group containing 1 to 10 carbon atoms; X represents fluorine atom or trifluoromethyl group; Q represents a divalent organic group containing 1 to 12 carbon atoms; R represents an alkyl group or acyl group containing 1 to 6 carbon atoms; R 1 and R 2 are independently an alkyl group, aryl group, or an aralkyl group containing 1 to 10 carbon atoms; a, b, c, d are independently an integer of 0 to 200 with the proviso that a+b+c+d is at least 1; e is 0 or 1; p and q are independently an integer of 0 to 50 with the proviso that p+q is at least 2; and k is an integer of 1 to 3.