Process for the production of a melamine resin coated paper

Details Process for the production of a melamine resin coated paper Process for the production of a melamine resin coated paper

1979-05-03

1981-01-13

Lusignan, Michael R.

Coating processes

Application to opposite sides of sheet, web, or strip

Roller applicator utilized

427377, 427382, 427391, 427411, 427428, 428530, B05D 302, B05D 128, B32B 2708, B32B 2742

Patent

active

042449901

ABSTRACT:
The invention relates to a process for the production of a melamine resin coated paper for the formation of hot-molded, scratch resistant surface layers on laminate synthetic substances and wooden working materials, whereby the paper is preimpregnated with a urea resin or an aminoplast rich in urea and is then provided with an application of a melamine resin. At the same time, a solution of a resin is used for the preimpregnation of the paper, the degree of condensation of which is higher than the degree of condensation of the melamine resin to be used for the formation of the cover layer, and the preimpregnation is dried hot, to an extent that the preimpregnation resin is hardened to the point it is practically no longer soluble in the melamine resin.

REFERENCES:
patent: 3455733 (1969-07-01), Lloyd et al.
patent: 3458465 (1969-07-01), Rehnelt et al.
patent: 3520715 (1970-07-01), Meiser
patent: 4083743 (1978-04-01), Degens
patent: 4158713 (1979-06-01), Degens

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