Process for coating a woody substrate and product

Details Process for coating a woody substrate and product Process for coating a woody substrate and product

1984-06-25

1985-06-04

Childs, S. L.

Stock material or miscellaneous articles

Composite

Of carbohydrate

427317, 427348, 427393, B32B 2104, B32B 2106

Patent

active

045214956

ABSTRACT:
A process for treating wood substrate, including textured hardboard having surface irregularities consisting of high ridge areas protruding above the surface, with a low viscosity aqueous coating to produce a coated article having substantially uniform film thickness. A substantially uniform film can be obtained by preheating the substrate (about 250.degree. to 400.degree. F.), flooding the surface with the aqueous coating, partially dewatering and affixing the coating to the surface by coalescence and removing the excess coating. It is necessary to critically control the substrate temperature and time in which the coating remains in contact with the heated substrate before the excess coating is removed using an air knife.

REFERENCES:
patent: 1139470 (1915-05-01), Aylsworth
patent: 2135406 (1938-11-01), MacDonald
patent: 2867543 (1959-01-01), Braun
patent: 3166434 (1965-01-01), Gauger
patent: 3320086 (1967-05-01), Rose et al.
patent: 4176108 (1979-11-01), Caimi et al.

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