Water-dispersible polyurethanes

Details Water-dispersible polyurethanes Water-dispersible polyurethanes

C - Chemistry, Metallurgy

08

G

C08G 18/34 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/38 (2006.01) C08G 18/79 (2006.01) C08L 75/04 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)

Patent

CA 2132905

Abstract of the Disclosure Polyurethanes which can be dispersed in water without emulsifier, obtained by partial reaction of an isocyanate-terminated urethane prepolymer with a salt of an acid having a hydrogen atom which is reactive toward isocyanate, followed by reaction of the remaining iso- cyanate groups with a chain-extending agent, are useful in binders for coating compositions and adhesives.

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