Curing of floor coatings using long and short wave ultraviolet r

Details Curing of floor coatings using long and short wave ultraviolet r Curing of floor coatings using long and short wave ultraviolet r

1999-04-28

2000-08-01

Padgett, Marianne

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427514, 427140, 427512, 427508, C08F 248, C08F 244, B32B 3128, B32B 3500

Patent

active

060963832

ABSTRACT:
A process for applying a coating to a floor surface and curing that coating after application includes the steps of first spreading a photochemically curable liquid coating in a thickness of from about 0.003 to about 0.006 inches on a floor surface. After the coating has been applied, it is exposed to ultraviolet radiation at a power level of about 40 watts per inch of width of coating being cured and at two different sequentially applied wavelengths. This cures the liquid coating instantly to a durable solid coating. The first applied ultraviolet radiation may have the wavelength of about 365 nm and the second applied ultraviolet radiation may have a wavelength of about 254 nm. The ultraviolet radiation is provided by an array of UV lights on a mobile, self-powered vehicle which moves over the floor coating at a speed in the range of 20 to 40 feet per minute.

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