Aqueous polyurethane dispersions containing polybutadiene units

Details Aqueous polyurethane dispersions containing polybutadiene units Aqueous polyurethane dispersions containing polybutadiene units

C - Chemistry, Metallurgy

08

G

C08G 18/69 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C09D 175/14 (2006.01)

Patent

CA 2352890

Storage-stable polyurethane dispersions preparable by reacting polydienes A which carry at least two isocyanate-reactive groups, polyols B which carry at least one acid group, polyfunctional isocyanates C and chain extenders D, wherein the acid groups of the polyols B are neutralized to a fraction of from 60 to 950, processes for preparing them, and their use for producing elastic coatings.

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