Self-dispersing curable epoxy resins, dispersions made therewith

Details Self-dispersing curable epoxy resins, dispersions made therewith Self-dispersing curable epoxy resins, dispersions made therewith

1996-11-26

1998-02-17

Krass, Frederick

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523403, 528103, 528110, 525507, 525524, C08G 5904, C08L 6300

Patent

active

057192103

ABSTRACT:
A method of preparing a self-dispersing epoxy resin composition is provided. The method comprises reacting a polyepoxide with a polyoxyalkylene polyol wherein the equivalent ratio of epoxide groups of said polyepoxide to hydroxyl groups of said polyoxyalkylene polyol is greater than 10:1, to form an polyol-epoxy adduct and reacting said polyol-epoxy adduct with a polyepoxide and a polyhydric alcohol to form a self-dispersing epoxy resin. Also provided are aqueous dispersions of the self-dispersing epoxy resin and coating compositions comprising the same. The coating compositions are particularly useful as industrial maintenance coatings.

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