Aqueous dispersions of fluorinated polyurethanes and their...

Details Aqueous dispersions of fluorinated polyurethanes and their... Aqueous dispersions of fluorinated polyurethanes and their...

D - Textiles, Paper

06

M

400/7412, 8/93.2

D06M 15/564 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/50 (2006.01) C08G 18/67 (2006.01) D06M 15/576 (2006.01)

Patent

CA 1319220

Abstract of the Disclosure Aqueous dispersions of fluorinated polyurethanes ob- tained by the reaction of an organic diisocyanate with a mixture of diols containing ionizable groups and macroglycols comprising polyols and at least 1% by weight of one or more hydroxy- and/or carboxy-capped fluoropolyethers. Said fluorinated polyurethanes are salified, to transform the ionizable groups into hydrophilic cations and/or anions, and are then dispersed in water to be used in textile coatings.

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