Polyurethane dispersions with high acid content
作者： Ronald M. Konitsney , Richard R. Roesler , Lyubov K. Gindin
DOI:
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摘要: A polyurethane dispersion prepared by: A) forming an isocyanate functional prepolymer containing acid groups by reacting a first polyol, second polyol having carboxylic functionality and polyisocyanate; optionally B) amino with the prepolymer. The is used in coating compositions that include (i) above-described (ii) cross-linking agent for which does not contain free groups. composition to coat substrates (a) mixing components (ii); (b) applying mixture surface of substrate.
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