Cathodic electrodeposition paint

Details Cathodic electrodeposition paint Cathodic electrodeposition paint

1998-03-24

2000-04-25

Dawson, Robert

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204505, 204507, 204509, 523408, C25B 126

Patent

active

060540338

ABSTRACT:
A cathodic electrodeposition paint composition for one or two coats finish comprises (a) an amine-modified polyphenol epoxy resin, (b) an acrylic copolymer having ionizable groups, and (c) resin particles having a particle size of less than 1.0 .mu.m comprised of a core of gelled hydrophobic resin and a shell layer of amino group-containing hydrophilic resin. Components (a), (b) and (c) as well as blocked polyisocyanate crosslinker are dispersed in an aqueous medium containing a neutralizing agent. The paint composition is effective for diminishing the occurrence of stripe-like recessed patterns in the finished steel substrate.

REFERENCES:
patent: 4865704 (1989-09-01), Saatweber

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