Method of coating with liquid aminoplast polyfunctional resin co

Details Method of coating with liquid aminoplast polyfunctional resin co Method of coating with liquid aminoplast polyfunctional resin co

1977-04-11

1978-04-18

Gwinnell, Harry J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427388A, 427388B, 428458, 428460, 428463, 428480, 428522, 428524, B05D 302, B32B 2742

Patent

active

040852423

ABSTRACT:
A method of coating an article which comprises blending a reactive polymer and an N,N'-bis(alkoxymethyl)uron to form a homogeneous solution, applying a film of the solution to a surface of the article and baking the article at a temperature sufficient to thermoset the solution. The reactive polymer contains reactive groups such as hydroxyl and carboxyl and is of molecular weight in the range 300 to 5000. The uron ether is employed as a cosolvent for the polymer whereby the solution may be applied as a coating without the need for significant amounts of conventional solvents. Interaction between the polymer and the uron ether promoted by heat in the presence of acid catalyst shifts the role of the uron ether to that of a crosslinking agent for the polymer.

REFERENCES:
patent: 3061563 (1962-10-01), Zdanowski et al.
patent: 3183282 (1965-05-01), Horwitz
patent: 3230111 (1966-01-01), Hall et al.
patent: 3369931 (1968-02-01), Beachem et al.
patent: 3370975 (1968-02-01), Semroc
patent: 3657001 (1972-04-01), Parker
patent: 3668277 (1972-06-01), Reimhofer et al.
patent: 3922447 (1975-11-01), Isaksen et al.

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