Aqueous coating composition from a mercaptan containing polymer

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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20415915, 20415919, 204181R, 260 292N, 260 292TN, 260 292EP, 260 292E, 260 296NR, 260 296RW, 260836, 260837R, 260857G, 260859R, 260873, 260885, 428418, 428423, 428458, 428461, 427, C08F 800, C08J 300

Patent

active

041304691

ABSTRACT:
A curable coating composition contains a polymer having pendant mercaptan groups and a bis-maleimide cross-linking agent. The mercaptan groups of the polymer cross-link with the bis-maleimide upon curing to form a fully cured coating. In a preferred embodiment, the coating composition serves as a cathodic electrocoating composition.

REFERENCES:
patent: 3738967 (1973-06-01), Crivello
patent: 3741942 (1973-06-01), Crivello
patent: 4025409 (1977-05-01), McGinniss
patent: 4029561 (1977-06-01), McGinniss
patent: 4035272 (1977-07-01), McGinniss
patent: 4035273 (1977-07-01), McGinniss
patent: 4094843 (1978-06-01), McGinniss

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