Clear cathodic electrocoating compositions

Details Clear cathodic electrocoating compositions Clear cathodic electrocoating compositions

1998-12-09

2000-09-26

Mayekar, Kishor

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204505, 204506, 523415, C25D 1310

Patent

active

061238228

ABSTRACT:
An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct which is an epoxy resin that has been reacted with an amine, a blocked polyisocyanate crosslinking agent and an organic or inorganic acid as the neutralizing agent for the epoxy amine adduct; where the improvement is a catalyst of an alkyl tin oxide that has been dissolved with an organic or inorganic acid to provide a clear cathodic electrocoating composition.

REFERENCES:
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patent: 4148772 (1979-04-01), Marchetti et al.
patent: 4419467 (1983-12-01), Wismer et al.
patent: 4468307 (1984-08-01), Wismer et al.
patent: 5070149 (1991-12-01), DeBroy et al.
patent: 5176804 (1993-01-01), Bittner et al.
patent: 5203975 (1993-04-01), Richardson
patent: 5948229 (1999-09-01), Zwack et al.

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