Claims
- 1. A curable resinous composition comprising:
- (A) a polyamine resin containing primary and/or secondary amino groups, said resin being stable under curing conditions; and
- (B) a Michael adduct of an organic material containing alpha, beta-ethylenically unsaturated moieties in conjugation with carbonyl moieties reacted with primary and/or secondary amines, said Michael adduct being unstable under curing conditions;
- said resinous composition being depositable on a substrate to form a film thereon which is curable at elevated temperatures.
- 2. The resinous composition of claim 1 in which a portion of the amine groups are converted to cationic salt groups.
- 3. The resinous composition of claim 2 which is dispersed in aqueous medium.
- 4. A curable resinous coating composition dispersible in aqueous medium with the aid of cationic salt groups comprising as the resinous binder:
- (A) a polyamine resin containing primary and/or secondary amino groups, said resin being stable under curing conditions; and
- (B) a Michael adduct of an organic material containing alpha, beta-ethylenically unsaturated moieties in conjugation with carbonyl moieties reacted with primary and/or secondary amines, said Michael adduct being unstable under curing conditions;
- said resinous binder being neutralized with acid to provide said cationic salt groups and being electrodepositable on a substrate to form a film thereon which is curable at elevated temperatures.
- 5. The resinous compositions of claims 1 or 4 in which the polyamine resin is a poly(amine-amide) having a terminal primary amine group.
- 6. The resinous compositions of claims 1 or 4 in which the polyamine resin is the reaction product of an epoxy-containing resinous material and a primary amine.
- 7. The resinous composition of claims 1 or 4 in which the polyamine resin is the reaction product of an epoxy-containing resinous material and a polyamine containing ketimine-blocked primary amine groups.
- 8. The resinous compositions of claims 1 or 4 in which (B) is formed from reacting an organic polyol with acrylic or methacrylic acid followed by reaction with a primary and/or secondary amine.
- 9. The resinous composition of claims 1 or 4 in which (B) is formed from reacting an epoxy-containing resinous material with acrylic or methacrylic acid followed by reaction with a primary and/or secondary amine.
- 10. The resinous compositions of claims 1 or 4 in which (B) is formed from reacting a polymeric polyol with an N-alkoxymethyl-containing acrylamide or methacrylamide followed by reaction with a primary and/or secondary amine.
- 11. A curable resinous composition comprising a polyamine resin containing:
- (A) primary and/or secondary amino groups which are non-volatile under curing conditions; and
- (B) amine groups which are formed by reacting alpha, beta-ethylenically unsaturated moieties in conjugation with carbonyl moieties with primary and/or secondary amines which are volatile under curing conditions;
- said resinous composition being depositable on a substrate to form a film thereon which is curable at elevated temperatures.
- 12. The resinous composition of claim 11 in which a portion of the amine groups are converted to cationic salt groups.
- 13. The resinous composition of claim 12 which is dispersed in aqueous medium.
Parent Case Info
CROSS-REFERENCE TO RELATED APPLICATIONS
Reference is made to application Ser. No. 937,386, filed even date herewith, entitled MICHAEL ADDUCTS OF POLYMERIC MATERIALS USEFUL IN COATING APPLICATIONS.
US Referenced Citations (5)