Dual cure cathodic electrocoating compositions

Details Dual cure cathodic electrocoating compositions Dual cure cathodic electrocoating compositions

1977-03-08

1978-01-24

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415916, 20515918, 204181, 260 292EP, 260 292N, 260 292TN, 260 296H, 260 22CQ, 260 775AM, 260836, 260837R, 260854R, 427 54, 428418, 428425, 428457, C08F 800

Patent

active

040702588

ABSTRACT:
An electrocoating composition containing a polymer having pendant tertiary amine groups, a polymer containing pendant mercaptan groups, an apha-, beta-ethylenically unsaturated carbonyl cross-linking agent, and a photosensitizer can be electrodeposited onto a cathode substrate disposed within an aqueous electrocoating bath. Full cure of the electrodeposited coating on the cathode substrate is obtained by the combination of heat curing and ultraviolet radiation curing. In a specific embodiment of the present invention, a single polymer contains both the pendant tertiary amine groups and pendant mercaptan groups.

REFERENCES:
patent: 3959106 (1976-05-01), Bosso et al.
patent: 3975251 (1976-08-01), McGinnis
patent: 4037018 (1977-07-01), McGinnis
patent: 4039414 (1977-08-01), McGinnis

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