Perfluoroalkyl substituted anhydrides and polyacids, and derivat

Details Perfluoroalkyl substituted anhydrides and polyacids, and derivat Perfluoroalkyl substituted anhydrides and polyacids, and derivat

1979-02-16

1981-05-12

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 13, 260 292R, 260 292M, 260 292TN, 260 292UA, 260 292N, 260 292E, 260 294R, 260 296R, 260 296MQ, 260 296MN, 260 297NQ, 260 297N, 525533, 528 88, 528 90, 528 93, C08L 6300

Patent

active

042670870

ABSTRACT:
This invention describes new perfluoroalkyl substituted esters, diesters and polyesters which contain at least one cyclic 5-membered anhydride group or two carboxy groups, as well as half amides and half esters thereof; their synthesis and their use as surface-active reactants in polycondensate resin systems.
The anhydrides are synthesized by reaction of perfluoroalkyl substituted alcohols or diols with dianhydrides or an anhydrides-acid chloride and have the general structure ##STR1## wherein: Q is the tetra-radical rest of a tri- or tetra-carboxylic acid, which contains at least one 1,2-dicarboxy grouping,

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