Cathodic electrocoat compositions containing self-crosslinking p

Details Cathodic electrocoat compositions containing self-crosslinking p Cathodic electrocoat compositions containing self-crosslinking p

1995-11-16

1997-09-30

Gulakowski, Randy

Stock material or miscellaneous articles

Composite

Of polyamidoester

428418, 2041817, 427487, 427512, 427520, 523414, 523417, 525504, 525523, B32B 2700, C25D 1300, C08F 246, C08L 6300

Patent

active

056724322

ABSTRACT:
Cathodic electrocoat compositions containing self-crosslinking polymers are described. The polymers of the invention are formed from an epoxide-functional prepolymer having polyepoxide and extender segments. Each extender segment has at least one pendant hydroxyalkyl carbamate group. The prepolymer is reacted with an amine compound having at least one blocked primary amine group and at least one epoxide-reactive group. The primary amine group is unblocked and the resultant polymer is dispersed in water with the aid of a neutralizing acid.

REFERENCES:
patent: 3947339 (1976-03-01), Jerabek et al.
patent: 4435559 (1984-03-01), Valko
patent: 4484994 (1984-11-01), Jacobs, III et al.
patent: 4528363 (1985-07-01), Tominaga
patent: 4542173 (1985-09-01), Schupp et al.
patent: 4897435 (1990-01-01), Jacobs, III et al.
patent: 5057559 (1991-10-01), Paar et al.
Hawley's Condensed Chemical Dictionary, 1993, p. 35.

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