Graft copolymers containing perfluoroalkyl groups

Details Graft copolymers containing perfluoroalkyl groups Graft copolymers containing perfluoroalkyl groups

1991-04-12

1992-05-19

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524507, C08F 812

Patent

active

051150131

ABSTRACT:
Aqueous dispersions of copolymers and/or graft copolymers composed of ethylenically unsaturated perfluoroalkyl monomers and perfluoroalkyl-free ethylenically unsaturated monomers can be prepared by polymerization in the presence of aqueous, emulsifier-free polyurethane dispersions as the graft base based on compounds containing perfluoroalkyl groups and active hydrogen atoms and compounds containing ionic and/or nonionic hydrophilic groups and active hydrogen atoms and polyisocyanates and can be used for the oil-repellent and water-repellent finishing of textiles, carpets, leather and paper.

REFERENCES:
patent: 4636545 (1987-01-01), Konig et al.
patent: 4935480 (1990-06-01), Zdrahala et al.
WPIL, File Supplier, AN=85 034494 [06], Derwent Publications Ltd., London, GB & JP-A-59 228 076 (Toyobo) Dec. 21, 1984.
WPIL, File Supplier, AN=90 373458 [50], Derwent Publications Ltd. London, GB: & JP A 02 271 803.

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