Method and apparatus for providing low gloss and gloss controlle

Details Method and apparatus for providing low gloss and gloss controlle Method and apparatus for providing low gloss and gloss controlle

1979-09-10

1982-02-02

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

20415911, 20415914, 20415922, 427 531, 427 541, B05D 306

Patent

active

043139698

ABSTRACT:
A method and apparatus for providing low gloss and controlled gloss radiation cured coatings, and for effecting on-line control of the degree of gloss provided. A radiation-curable coating of a composition which includes inert particulates is first irradiated with curing radiation of wavelengths to which the coating is responsive but having substantially no distribution beneath about 300 nm, and is subsequently irradiated with curing radiation of wavelengths to which the coating is responsive including substantial radiation at wavelengths beneath 300 nm. Gloss control is obtained by adjusting the spectral distribution, the intensity, or the dose of the initial radiation, or by adjusting the time interval between the initial and subsequent irradiation steps.

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