Modified polyurethanes containing perfluoroaliphatic groups and

Details Modified polyurethanes containing perfluoroaliphatic groups and Modified polyurethanes containing perfluoroaliphatic groups and

1991-03-11

1992-05-12

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 18, 528 21, 528 26, 525440, 525446, 525453, C08G 7704

Patent

active

051129302

ABSTRACT:
Modified polyurethanes containing perfluoroaliphatic groups which are obtained by reacting oligo(poly)urethanes containing free hydroxyl or isocyanate groups and perfluoroaliphatic groups with di/polyfunctional polysiloxanes at elevated temperatures with conversion of all the reactive groups of the urethane are used for the oil- and water-repellent finishing of fiber materials, conferring on these materials thus treated not only laundering- and drycleaning-stable effects but also in particular a very soft, full hand of very good surface smoothness, these excellent hand effects being further optimized by the addition of a polyethylene dispersion and/or of further customary textile assistants, in particular water-repellent fluorocarbon compounds.

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Product Bulletin-DD1 1410-Henkel Corp., Minneapolis, MN.

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