Electrodepositable coating composition containing bismuth and am

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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204499, 204501, 204502, 204504, 204505, 4274301, 427435, 427457, 427458, 502167, 502170, 502200, 502353, 523414, 523415, 523416, 524590, 524591, 524594, 524596, 524597, 524598, 524612, 524724, 524780, 524840, 525396, 525398, 525452, 525453, 525481, 525523, 525528, 528 48, 528 52, 528 73, 528 92, 528 93, 528236, 528406, 528407, 528409, 528 71, C08G 1880, C08G 1816, C08G 1822, C25D 1308, C25D 1306, C25D 1310

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active

059089121

ABSTRACT:
An electrodepositable coating composition is provided comprising (a) an active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (b) a curing agent for transurethanation, transamidation or transesterification curing like at least a partially capped polyisocyanate curing agent; and (c) a catalytic mixture of bismuth and an amino acid or amino acid precursor. Optionally, an auxiliary acid may be present to increase the effectiveness of the amino acid in the mixture with bismuth.

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