Perfluoroalkyl esters, a process for their preparation and their

Details Perfluoroalkyl esters, a process for their preparation and their Perfluoroalkyl esters, a process for their preparation and their

1982-08-27

1984-09-25

Trousof, Natalie

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

549500, 549501, 549512, 549513, 560192, 560193, 560196, 560197, 560198, 560199, 560201, 560204, C07C 6708, C07C 69527, C07C 6960

Patent

active

044733712

ABSTRACT:
Perfluoroalkyl esters of the formula ##STR1## wherein R.sub.1 denotes C.sub.2 -C.sub.20, preferably C.sub.4 -C.sub.14 -perfluoroalkyl or perfluoroalkoxyperfluoroalkyl, R.sub.2 denotes C.sub.3 -C.sub.4 -alkylene, R.sub.3 denotes C.sub.2 -C.sub.5 -.omega.-epoxyalkyl or C.sub.1 -C.sub.18, preferably C.sub.1 -C.sub.5 -alkyl, which can be substituted by 1 or 2 halogen atoms, preferably chlorine atoms, by hydroxyl groups, by a group of the formula ##STR2## by 1 to 3 groups of the formula --OCO--CX.dbd.CY--COO--(CH.sub.2).sub.m --R.sub.1 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 R.sub.3, in the case where b=0, also denotes C.sub.3 -C.sub.18 -alkenyl, which can be subsituted by hydroxyl groups or a phenyl group; C.sub.3 -C.sub.8 -alkynyl, which can be substituted by hydroxyl groups; cyclohexyl; phenyl, which can be substituted by 1-3 C.sub.1 -C.sub.8 -alkyl groups or by phenyl, or naphthyl, R.sub.4 denotes hydrogen or methyl, R.sub.5 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl, X and Y denote hydrogen, halogen or C.sub.1 -C.sub.6 -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.

REFERENCES:
patent: 3965148 (1976-06-01), Kleiner et al.
patent: 4316986 (1982-02-01), England et al.
patent: 4346235 (1982-08-01), Sonoda et al.

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