Coating processes – Nonuniform coating – Applying superposed diverse coatings or coating a coated base
Patent
1979-05-31
1981-03-31
Lawrence, Evan K.
Coating processes
Nonuniform coating
Applying superposed diverse coatings or coating a coated base
427258, 427269, B05D 506, B05D 136
Patent
active
042593751
ABSTRACT:
A smooth heat-stable coating including a decorative pattern is applied to a substrate by applying and drying a primer coat and then applying, wet-on-wet, a base coat, an intermediate coat in the form of a decorative pattern, and a topcoat, then heating to dry the base, intermediate and topcoats simultaneously and to cure the entire coating.
Each coat includes an aqueous carrier. The primer, base coat and topcoat include a heat-stable polymer stable at temperatures above 300.degree. C., preferably polytetrafluoroethylene.
REFERENCES:
patent: 177332 (1876-05-01), Harris
E. I. Du Pont de Nemours and Company
Lawrence Evan K.
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