Method for crosslinking ultraviolet light curable coatings

Details Method for crosslinking ultraviolet light curable coatings Method for crosslinking ultraviolet light curable coatings

1977-03-24

1978-01-24

Gwinnell, Harry J.

Coating processes

Electrical product produced

Welding electrode

B05D 306

Patent

active

040704998

ABSTRACT:
A substrate coated with an ultraviolet light curable coating composition is passed under the substantially elliptical cylindrical reflectors of an ultraviolet light coatings processor wherein sources of ultraviolet light are located at the foci nearest the vertices of the reflectors. It has been found that undercuring resulting from vibration of the coated substrate toward and away from the reflectors during passage can be eliminated by maintaining the mean point of vibration more remote from the reflectors than the conjugate foci of the reflectors.

REFERENCES:
patent: 2288352 (1942-06-01), Henderson
patent: 3826014 (1974-07-01), Helding
patent: 3914594 (1975-10-01), Helding

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