Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-11-01
1978-04-18
Lieberman, Paul
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260 296HN, 260 296TA, 260 775R, 260 775AM, 260 775AP, 260 775CR, 260836, 526320, C08L 6300
Patent
active
040851613
ABSTRACT:
Nongelled, amine-functional copolymers dispersible in water with the aid of a solubilizing acid are provided by copolymerizing: (A) an ethylenically unsaturated hydroxy-functional adduct of a diepoxide having from about 1.2 to about 2.0 epoxy groups per molecule, said epoxy groups being replaced by ethylenically unsaturated groups; (B) copolymerizable monoethylenically unsaturated monomers including amine-functional monomer; and (C) a blocked ethylenically unsaturated isocyanate which preferably includes a plurality of alcohol-blocked isocyanate groups. The amine-functional polymers can be dispersed in water at a pH close to neutral, and they are particularly useful to enable corrosion-resistant coatings to be electrodeposited at the cathode and cured at a lower than usual baking temperature.
REFERENCES:
patent: 2826562 (1958-03-01), Shokal
patent: 3367992 (1968-02-01), Bearden
patent: 3373221 (1968-03-01), May
patent: 3670047 (1972-06-01), Broecker
patent: 3883483 (1975-05-01), Anderson
patent: 3976615 (1976-08-01), Sekmakas
Sekmakas Kazys
Shah Raj
DeSoto, Inc.
Lieberman Paul
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