| 摘要 |
A compound of formula (I): wherein k is 1 or 2; Y is -CH2CH(CF3)2 or -(CH2)nCF; X is hydrogen, -(CH2)nRf, or -C(O)[CF(A)]P-B-Rf> wherein B is a divalent radical selected from the group consisting of a covalent bond, -O- and -(CH2)m-; A is -F or -CF3; and each Rf is independently C1 to C6 perfluohnated linear or branched alkyl, optionally interrupted by one or more oxygens; R0 is R01or is a linear or branched alkyl having from about 10 to about 100 carbon atoms, interrupted or substituted by one or more hydrophilic groups selected from the group consisting of -O-, -OH, -NR-, - N(R)2, and -C(O)NR-, wherein a) the ratio of hydrophilic groups to carbon atoms is from about 1:2 to about 1:10; b) each carbon atom has at most one hydrophilic group bonded to it, and c) covalent bonding between hydrophilic groups is absent; R is hydrogen or a C1 to C4 linear or branched alkyl; and R01 is a linear or branched aliphatic group of from about 10 to about 100 carbon atoms, interrupted by about from about 5 to about 50 ether oxygens, wherein a) the ratio of ether oxygen to carbon atoms is from about 1:2 to about 1:3, b) each carbon atom has at most one ether oxygen atom bonded to it, and c) covalent bonding between ether oxygen atoms is absent; provided that 1) when Y is -(CH2)nRf, R0 is R01; 2) when X is hydrogen, Y is -CH2CH(CF3)2; and 3) when X is -(CH2)nRf and Y is (CH2)nRf, Ro is Ro1.
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