Water dispersible epoxy urethane compounds and coating compositions
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United States of America Patent
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Jun 13, 2017
Grant Date -
Oct 27, 2011
app pub date -
Jul 20, 2010
filing date -
Aug 4, 2006
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Abstract
The invention relates to novel aqueous coating compositions containing epoxy urethane (glycidyl carbamate) functional resin. An aqueous coating composition comprises a polyfunctional oligomer having at least two epoxy urethane functional groups and a polyalkylene oxide chain, an optional surfactant, and water. The aqueous coating compositions of the invention can be dispersed in water with or without added surfactants to form a dispersion containing no volatile organic solvent. The invention provides a method for making aqueous coating compositions containing epoxy urethane functional resin as well. Water-dispersible epoxy urethane compounds of the aqueous coating compositions are also provided.
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