Paperboard coated to minimize browning

Details Paperboard coated to minimize browning Paperboard coated to minimize browning

1983-05-02

1983-12-20

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427395, 427411, 4274192, 428352, 428514, 428913, B32B 2300, B32B 2308

Patent

active

044218257

ABSTRACT:
The browning of paperboard subjected to temperatures of up to about 205.degree. C. is minimized by applying to the paperboard a first coating comprising titanium dioxide and an acrylic copolymer and one or more over-coatings comprising a clear acrylic copolymer.

REFERENCES:
patent: 2889299 (1959-06-01), Ritson
patent: 3297615 (1967-01-01), Frazier et al.
patent: 3365410 (1968-01-01), Wesslau et al.

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