Coating processes – Pretreatment – per se – or post-treatment – per se
Patent
1974-12-12
1976-06-08
Kendall, Ralph S.
Coating processes
Pretreatment, per se, or post-treatment, per se
427177, 427179, 427378, 427385, 427277, B44D 146
Patent
active
039625028
ABSTRACT:
A process for curing a heat curable coating on a substrate is provided which is characterized by contacting one or both surfaces of the coated substrate with a patterned polyolefin film having a pattern height of at least 4 microns, followed by superposing the substrate and the patterned polyolefin film in alternating layers so as to provide an interleaf consisting of said patterned polyolefin film between adjacent layers of said substrate, and thereafter heating the superposed substrate and patterned polyolefin film at a temperature between about 25.degree.C. and the softening temperature of said patterned polyolefin film.
REFERENCES:
patent: 753904 (1904-03-01), McFarland
patent: 1530873 (1925-03-01), Williams
patent: 1941362 (1933-12-01), Newcomb
patent: 2426775 (1947-09-01), Lang
patent: 3524778 (1970-08-01), Jensch et al.
E. I. Du Pont de Nemours and Company
Kendall Ralph S.
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