Reverse printed high-pressure laminates

Details Reverse printed high-pressure laminates Reverse printed high-pressure laminates

1975-08-14

1977-02-01

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156219, 156220, 156277, 156288, 156331, 156335, 260 326N, 260 332EP, 260 51R, 260 676R, 428203, 428211, 428531, B32B 3300

Patent

active

040060489

ABSTRACT:
A patterned, decorative laminate is made by: (1) preparing a core layer, comprising a plurality of fibrous sheets impregnated with a resinous material, (2) placing on top of the core, at least one unfilled kraft paper barrier sheet, impregnated with at least 30 weight percent of an aminotriazine-aldehyde, urea-aldehyde, thiourea-aldehyde or unsaturated polyester resin, (3) placing on top of the impregnated barrier sheet, an unfilled protective sheet, impregnated with an aminotriazine-aldehyde, urea-aldehyde, thiourea-aldehyde or unsaturated polyester resin; the protective sheet having a design printed on the bottom surface facing the barrier sheet, the design covered with colored pigmented material, and (4) heat and pressure consolidating the sheets into a unitary, bonded laminate.

REFERENCES:
patent: 2773788 (1956-12-01), Magrane et al.
patent: 2816851 (1957-12-01), Arledter
patent: 3208901 (1965-09-01), Kelley et al.
patent: 3458391 (1969-07-01), Miller
patent: 3484334 (1969-12-01), Wakayoshi et al.
patent: 3547767 (1970-12-01), Keeling et al.

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