Fluorinated nonionic surfactants

Details Fluorinated nonionic surfactants Fluorinated nonionic surfactants

C - Chemistry, Metallurgy

07

F

260/486, 260/523

C07F 7/18 (2006.01) B23K 35/36 (2006.01) C08G 63/688 (2006.01) C08G 65/332 (2006.01) C08G 65/334 (2006.01) C08G 65/338 (2006.01) C08G 77/382 (2006.01) C09K 8/584 (2006.01)

Patent

CA 1129429

Abstract Perfluoroalkylthio-substituted half esters and amides of succinic acid having the formula Image or its isomer, wherein Rf is perfluoroalkyl, R1 alkylene, optionally interrupted with oxygen, sulfur or nitrogen atoms, X is oxygen or NH, y is zero or 1, Q is a polyether or polyester diradical moiety having a molecular weight of 300 to 5000 or a polysiloxane having 5 to 90 re- peating units and A is hydrogen, hydroxyl, amino, alkoxy, phenoxy, al- kylphenoxy, dialkylamino, the group Image or its isomer. Said compounds being prepared by reacting e.g. maleic anhydride with a polyether, polyester, diamine or a polysiloxane derivative of an alcohol or a primary amine and then reacting the product with a per- fluoroalkyl alkylene thiol. The novel compounds are useful as surfac- tants with specific applications as wetting agents in coatings waxes, emulsions, paints and resins.

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