Process for making colored resin impregnated paper sheets with a

Details Process for making colored resin impregnated paper sheets with a Process for making colored resin impregnated paper sheets with a

1984-04-18

1987-03-24

Lawrence, Evan K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

427262, 427264, 427265, 427288, 428153, 428172, 428211, B32B 322, B32B 2906, B05D 302, B05D 500

Patent

active

046524827

ABSTRACT:
A process for the production of colored films of paper impregnated with synthetic resin which contain melamine resin and have a three-dimensional surface structure, by printing the paper films with a colored pattern using an aqueous protein-based printing ink and lacquering thereover. The color which is printed in the regions in which the lacquer layer is to be thinner than in the other regions contains a lacquer repellent, and the printed and dried paper film is impregnated with an aqueous impregnation of a melamine resin from the unprinted side, with the formation of a one-sided excess of resin, and is dried. The printed and impregnated film is coated on the printed side with an aqueous lacquer based on melamine resins, and the lacquered film is hardened at elevated temperature without applying pressure. A laminate is produced by joining the unprinted side of the hardened film to a substrate such as chipboard.

REFERENCES:
patent: 3406037 (1968-10-01), Pierce
patent: 3600827 (1971-08-01), Fisher et al.
patent: 3811915 (1974-05-01), Burrell et al.
patent: 4097635 (1978-06-01), Hernandez et al.
patent: 4151315 (1979-04-01), Fock et al.
patent: 4169907 (1979-10-01), Barker et al.
patent: 4532157 (1985-07-01), Schmidt et al.
Europaischer Recherchenbericht (European Search Report), Application Ser. No. EP 84 10 4293, Aug. 10, 1984, Den Haag.

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