Crosslinked microgel for cathodic electrocoating compositions

Details Crosslinked microgel for cathodic electrocoating compositions Crosslinked microgel for cathodic electrocoating compositions

1993-07-09

1994-11-08

Krass, Frederick

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523415, 523421, 523425, C08G 5950, C08L 6300, C25D 1306

Patent

active

053627725

ABSTRACT:
A cationic finely divided polymeric microgel dispersed in an aqueous medium for use in cationic electrocoating compositions of a epoxy terminated polyepoxy hydroxy ether resin being end capped with a ketimine, a primary amine, secondary amine or mixtures thereof and amino siloxane to provide silanol groups and amino groups; the amino groups of the polymeric microgel being neutralized with an acid to form cationic groups for water dispersibility and the silanol groups being condensed with hydroxy groups of the resins and other silanol groups of the resin thereby forming a crosslinked microgel.

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