Patent ID: 6417390
Filing Date: 2002-07-09
Classification: C08F,C08G

Abstract:
A surfactant having the formula:Rfâ€”[Lâ€”(OCHR1â€”CHR2)mâ€”OZ)]i whereini is equal to 1 or 2; m is an integer between 4 and 60; L is selected from the group consisting of â€”(CFYâ€”COâ€”O)pRâ€² and â€”(CFYâ€”COâ€”NH)pRâ€²â€”, wherein p is an integer equal to 0 or 1; Y=F, or CF3; Râ€² is a linear or branched C1 to C5 alkyl radical; R1 and R2 can both be H or the former can be H and the latter CH3; Z can be H, or a linear or branched C1 to C3 alkyl radical or (CH2)nOH where n is an integer from 1 to 6, excluding L=â€”(CFYâ€”COâ€”O)pRâ€²â€” when i=1; and Rf is a perfluoroalkyl radical or a perfluoropolyether radical, having an average number molecular weight between 250 and 1500.