Process for electrocoating aminimide containing compositions

Details Process for electrocoating aminimide containing compositions Process for electrocoating aminimide containing compositions

1975-08-15

1977-09-06

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1306

Patent

active

040466582

ABSTRACT:
In accordance with a preferred embodiment of this invention, a decorative and protective coating is electrodeposited on a negatively charged metallic substrate from an acidic aqueous dispersion. The dispersed particles contain a film forming addition polymer, copolymer or mixtures thereof. This addition polymerization reaction product has occasional but randomly distributed pendent aminimide and pendent hydroxyl functionalities. The hydroxyl and the aminimide functionalities are present in about equal amounts. Once deposited, the coating is cured at a temperature of about 120.degree. C. or above.

REFERENCES:
patent: 3527802 (1970-09-01), Slagel
patent: 3773729 (1973-11-01), Wakimoto et al.
patent: 3853803 (1974-10-01), Anderson et al.

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