Fluorine-containing copolymers, and their production and use

Details Fluorine-containing copolymers, and their production and use Fluorine-containing copolymers, and their production and use

1978-05-11

1980-01-08

Nielsen, Earl A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

252 88, C08G 6944

Patent

active

041828461

ABSTRACT:
A fluorine-containing copolymer which comprises essentially as the constituting units (a) a group of the formula: ##STR1## wherein Rf is a perfluoroalkyl group having 3 to 21 carbon atoms and n is an integer of 0 or 1, (b) a group of the formula: ##STR2## wherein R is a residue obtained by eliminating a group: ##STR3## from a cyclic acid anhydride and (c) a group of the formula: ##STR4## wherein R' is a hydrogen atom, an alkyl group or an aryl group and m is an integer of 2 or 3, and is useful as a water and oil-repelling agent or a non-sticking agent.

REFERENCES:
patent: 3275608 (1966-09-01), Montgomery et al.
patent: 3637594 (1972-01-01), Gallus et al.
patent: 3876617 (1974-04-01), Caporiccio et al.

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