Phosphorescent screens

Details Phosphorescent screens Phosphorescent screens

1980-03-31

1981-11-03

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

427157, 427373, 428309, 428328, 428330, 521137, B32B 326, B32B 516

Patent

active

042986508

ABSTRACT:
Phosphorescent screens which are useful for such purposes as intensifying screens for radiographs are comprised of a support bearing a layer of finely-divided particles of a phosphor dispersed in a cross-linked polymeric matrix formed by heat-curing of a coating composition comprising an unsaturated cross-linkable polymer, a polymerizable acrylic monomer, a thermoplastic polyurethane elastomer, and a heat-activatable polymerization initiator. The phosphor layer includes voids formed by evaporation of an evaporable component which is present in the coating composition from which such layer is formed.

REFERENCES:
patent: 4188449 (1980-02-01), Lu et al.

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