Process for preparing image plates with continuous gradation

Gas separation: apparatus – Electric field separation apparatus – Electrode cleaner – apparatus part flusher – discharger – or...

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96 33, 96 363, G03C 510

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active

039973450

ABSTRACT:
A process for preparing an image plate with continuous gradation having a continuous unevenness which comprises exposing a photosensitive resin plate comprising a supporting material and a layer of a photopolymerizable resin composition being in a solid or liquid state at room temperatures and comprising an addition polymerizable, ethylenically unsaturated compound, a binding agent of polymer and a photopolymerization initiator provided thereon through a film with continuous gradation and subjecting the exposed resin plate to development, characterized in that the exposure is made in such a condition that oxygen or a gas containing oxygen is present between the photopolymerizable resin layer and the film.

REFERENCES:
patent: 3685993 (1972-08-01), Makhersee
patent: 3784378 (1974-01-01), Gramas
patent: 3807304 (1974-04-01), Gracia et al.
patent: 3829315 (1974-08-01), Schadlick et al.
patent: 3835780 (1974-09-01), Gracia et al.
patent: 3856529 (1974-12-01), Schadlick et al.
patent: 3861917 (1975-01-01), Magnolta et al.

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