Low gloss finishes by gradient intensity cure

Details Low gloss finishes by gradient intensity cure Low gloss finishes by gradient intensity cure

1978-06-26

1979-09-25

Newsome, John H.

Coating processes

Electrical product produced

Welding electrode

20415915, 20415923, B05D 306

Patent

active

041691679

ABSTRACT:
The gloss of energy-curable coating and ink compositions is reduced by exposing such compositions to actinic radiation in an oxygen-rich atmosphere at differential intensity levels. The intensities are selected to effect at a first intensity range substantially complete cure of the composition except for the surface, with final cure of the surface being effected subsequently at a different and higher intensity range. Gradient Intensity Cure can be employed with substantially any composition which is curable by free radical-induced addition polymerization using a photosensitizer-photoinitiator photocatalyst system.

REFERENCES:
patent: 3759807 (1973-09-01), Osborn et al.
patent: 3759808 (1973-09-01), Parker et al.
patent: 3783004 (1974-01-01), Parker
patent: 3850675 (1974-11-01), Miller
patent: 3918393 (1975-11-01), Hahn
patent: 3943046 (1976-03-01), DeSorga et al.
patent: 3953622 (1976-04-01), Wismer et al.
patent: 3966572 (1976-06-01), Carder
patent: 3992275 (1976-11-01), Shahidi et al.
patent: 4017652 (1977-04-01), Gruber
patent: 4020193 (1977-04-01), Wismer et al.
patent: 4048036 (1977-09-01), Prucnal
patent: 4075366 (1978-02-01), Packer

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