Electrodeposited coatings

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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260 293, 260844, 428463, C08L 6106

Patent

active

040081400

ABSTRACT:
Coatings produced from compositions comprising:
40 - 70 percent by weight of cyclized rubber in 60 - 30 percent by weight of a binder mixture wherein the binder mixture comprises:
I. about 10 - 50 percent by weight of a non-heat reactive phenol-aldehyde resin; and
Ii. about 50 - 90 percent by weight of a copolymer, said copolymer comprising:
A. about 50 - 85 percent by weight of an ester of methacrylic acid or acrylic acid with an alcohol having 1 - 10 carbon atoms;
B. about 5 - 20 percent by weight of drying oils or drying oil fatty acids containing olefinically unsaturated fatty acids;
C. about 5 - 15 percent by weight of an .alpha.,.beta.-olefinically unsaturated carboxylic acid having 3 - 5 carbon atoms;
D. about 3 - 20 percent by weight of methacrylamide, acrylamide, methylol methacrylamide, methylol acrylamide, an ether of methylol methacrylamide with an alcohol having 1 - 8 carbon atoms, an ether of methylol acrylamide having 1 - 8 carbon atoms or a mixture thereof, and optionally
E. up to 20 percent by weight of further copolymerizable olefinically unsaturated compounds.

REFERENCES:
patent: 3455805 (1969-07-01), Smith et al.
patent: 3677984 (1972-07-01), Aschkenasy et al.
patent: 3679618 (1972-07-01), Lohr

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