Cationic aqueous compositions of polymer having amine groups, ac

Details Cationic aqueous compositions of polymer having amine groups, ac Cationic aqueous compositions of polymer having amine groups, ac

1976-07-02

1977-07-19

Tillman, Murray

Stock material or miscellaneous articles

Composite

Of epoxy ether

204181, 260 18N, 260 292TN, 260 292EP, 260 292UA, 260 292N, 260 296HN, 260837R, 260857R, 260859R, 427385R, 428425, 428474, 428500, C08J 306, C08K 534

Patent

active

040370186

ABSTRACT:
A heat-curable coating composition contains a polymer having pendant amine groups and a bis-maleimide cross-linking agent in aqueous dispersion. The amine groups of the polymer are protonated to render the polymer water dispersible. The amine groups are adapted to become de-protonated for cross-linking with the bis-maleimide under heating to form a fully cured film. In a preferred embodiment, the coating composition serves as a cathodic electrocoating composition.

REFERENCES:
patent: 3652511 (1972-03-01), Vincent et al.
patent: 3738967 (1973-06-01), Crivello
patent: 3741942 (1973-06-01), Crivello
patent: 3766138 (1973-10-01), Crivello
patent: 3978152 (1976-08-01), Grvffaz et al.

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