Fluorinated water-and oil-repellent agents with improved freeze-

Details Fluorinated water-and oil-repellent agents with improved freeze- Fluorinated water-and oil-repellent agents with improved freeze-

1998-08-13

2000-11-28

Wu, David W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 56, 524460, 524544, 524732, 524734, 524777, 524805, 526181, 526200, 526210, 526213, 526245, C08L 2712, C08L 502, C08K 5098, C08F 210, C08F22022

Patent

active

06153675&

ABSTRACT:
A water-dispersible, water- and oil-repellent agent, which comprises an aqueous emulsion comprising a copolymer of a fluoroalkyl group-containing monomer with vinylidene chloride or benzyl (meth)acrylate and a carboxyl group-containing, water-soluble polymer, dispersed in water by a nonionic surfactant, preferably the carboxyl group-containing, water-soluble polymer is used together with a sugar alcohol, contains no organic solvent and has a distinguished freeze-thaw stability.

REFERENCES:
patent: 3615660 (1971-10-01), Bavisotto
patent: 4714727 (1987-12-01), Hume, III
patent: 4742140 (1988-05-01), Greenwood et al.
patent: 5242487 (1993-09-01), Amimoto et al.
patent: 5639820 (1997-06-01), Kubo et al.
Database WPI, Week 7531, Derwent Publications Ltd., London, GB, AN 75-51643w XP002097385 & JP 50 049179 A (Asahi Glass Co Ltd), May 1, 1975 *abstract*.

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