Process for ultraviolet curing

Details Process for ultraviolet curing Process for ultraviolet curing

1996-09-12

1998-03-31

Bennett, Henry A.

Drying and gas or vapor contact with solids

Material treated by electromagnetic energy

Ultraviolet energy

34273, 34278, 34274, F26B 334

Patent

active

057324778

ABSTRACT:
The disclosed invention is an ultraviolet curing process that causes a wrinkle pattern to appear on the surface of a curing layer. Initially, the primary stage of the process is generated by irradiating a photopolymerizable layer with far ultraviolet light wherein the dominant wavelength emitted is 254 nanometers. Then, the second stage of the process is performed by heating the photopolymerizable layer. Finally, the third stage of the process irradiates the layer with high pressure vapor ultraviolet light.

REFERENCES:
patent: 1646010 (1927-10-01), Clover
patent: 3894343 (1975-07-01), Pray et al.
patent: 4143468 (1979-03-01), Novotny et al.
patent: 4299362 (1981-11-01), Baldinger
patent: 4665627 (1987-05-01), Wilde et al.
patent: 4697355 (1987-10-01), Mino et al.

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