| 摘要 |
Perfluoroalkyl esters of the formula <IMAGE> wherein R1 denotes C2-C20, preferably C4-C14-perfluoroalkyl or perfluoroalkoxyperfluoroalkyl, R2 denotes C3-C4-alkylene, R3 denotes C2-C5- omega -epoxyalkyl or C1-C18, preferably C1-C5-alkyl, which can be substituted by 1 or 2 halogen atoms, preferably chlorine atoms, by hydroxyl groups, by a group of the formula <IMAGE> by 1 to 3 groups of the formula -OCO-CX=CY-COO-(CH2)m-R1 or by, in each case, one lower alkoxy, epoxy, lower acyloxy, lower alkoxycarbonyl, lower acylamino, lower hydroxylalkylthio, lower trialkylamino, lower trialkylammonium, phenyl, phenoxy or furanyl group or R3, in the case where b=0, also denotes C3-C18-alkenyl, which can be subsituted by hydroxyl groups or a phenyl group; C3-C8-alkynyl, which can be substituted by hydroxyl groups; cyclohexyl; phenyl, which can be substituted by 1-3 C1-C8-alkyl groups or by phenyl, or naphthyl, R4 denotes hydrogen or methyl, R5 denotes hydrogen or C1-C4-alkyl, X and Y denote hydrogen, halogen or C1-C6-alkyl, a denotes a number from 1 to 10, b denotes 0 or 1 and m denotes a number from 1 to 6, preferably 1 to 4, a process for their preparation and their use for providing oil and water-repellant finishing of textile material.
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