Cationic electrocoating compositions

Details Cationic electrocoating compositions Cationic electrocoating compositions

1988-04-25

1990-01-02

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

523415, 523420, 523456, 524378, 524901, C25D 1306, C25D 1310, C08K 506

Patent

active

048911119

ABSTRACT:
Cationic electrocoating compositions comprising a cationic electrodepositable resin and particular hydroxyl-free, alkylated polyethers dispersed in an aqueous medium are disclosed. Due to the presence of the polyethers, the compositions electrodeposit at high film builds with good smoothness. However, the polyethers do not result in detrimental effects with regard to the properties of the compositions such as rupture voltage and corrosion resistance of the resultant electrodeposited film. Also, the particular polyethers readily incorporate in the electrodeposition bath, are non-volatile and do not significantly build up in the electrodeposition bath during the electrodeposition process.

REFERENCES:
patent: 4190564 (1980-02-01), Tominaga et al.
patent: 4224421 (1980-09-01), Streit
patent: 4230552 (1980-10-01), Schimmel
patent: 4419467 (1983-12-01), Wismer et al.
patent: 4423166 (1983-12-01), Moriarity
patent: 4487674 (1984-12-01), Jan Al et al.
patent: 4565838 (1986-01-01), Paar et al.
patent: 4698141 (1987-10-01), Anderson
patent: 4711934 (1987-12-01), Paar

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