| 主权项 |
1. Compounds of the formula (I))
(Rf-Aa-Cc)n-(spacer)m-Xo (I) where Rf═CF3—CF2—CF2—O—CF(CF3)—CH2—, CF3—CF2—CF2— or CF3—CF2—CF2—O—CF(CF3)—CO—, A=—O—CH2—CHR′—, R′═H or alkyl, C=alkylene, O, —OCO— or —NR″—, where R″═H, alkyl or —(CH2CHR′″)m′—R″″, where m′=an integer from the range from 1 to 100 and R′″ and R″″, independently of one another, ═H or alkyl, where one or more non-adjacent C atoms may be replaced by O or N, preferably O, spacer=a saturated or unsaturated, branched or unbranched hydrocarbon unit, optionally containing heteroatoms, X is a hydrophilic group, a=0 or 1, n=1, 2, 3, 4, 5 or 6, c=0 or 1, m=0 or 1, and o=1, 2, 3 or 4 and o=0 if R″=—(CH2CHR′″)m′—R″″, where R′″ and/or R″″=alkyl, where one or more non-adjacent C atoms have been replaced by O or N, where n≧2 if Rf═CF3—CF2—CF2—O—CF(CF3)—CO— and the compounds CF3—CF2—CF2—O—CH2—CH2—OH, Rf′-O—CH2CH(OSO3Na)—CH2—O—CH2—CH—(C2H5)—C4H9, Rf′-O—CH2CH(OSO3H)—(CH2)5—CH3, Rf′-O—CO—CH2—CH(OSO3Na)—CO—O—Rf′, Rf″-CH2—CH(SO3Na)—Rf″, Rf″-CH2—CH(CH2SO3Na)—Rf″ and Rf″-CH—(CH3)CH(SO3Na)—Rf″, where Rf′═CF3CF2CF2—O—CF(CF3)—CH2— and Rf″═CF3CF2CF2—O—CF(CF3)—CO—NHCH2CH2—O—CO—, are excluded. |
