Curable water-base compositions

Details Curable water-base compositions Curable water-base compositions

1974-10-10

1976-06-15

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 72R, 260851, 260853, 260956, 526 12, 526320, C08L 6120

Patent

active

039636577

ABSTRACT:
Curable water-base compositions are prepared by combining a thermosetting acrylic polymer or an aminoplast composition with a water-soluble composition prepared by the reaction of an N-3-oxohydrocarbon-substituted acrylamide (preferably diacetone acrylamide) with an aldehyde (preferably formaldehyde) in the presence of an alkaline reagent. "Prepregs" can be prepared from filled water-base compositions of this type, preferably in aqueous solution with a free radical polymerization catalyst, with the water subsequently being removed by evaporation. Thermoset compositions are prepared by heating the curable prepregs for a time and at a temperature sufficient to effect free radical polymerization and crosslinking of the water-soluble composition. Water-base compositions containing pigments are useful as thermosetting paints, chiefly for metal surfaces, and may be thermoset in the same way.

REFERENCES:
patent: 3518326 (1970-06-01), Forsberg
patent: 3544489 (1970-12-01), Dowbenko
patent: 3714096 (1973-01-01), Biale

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