Use of alkali soluble photopolymer in color proofing constructions

Most color proofing constructions use photooligomers that are tacky, require an oxygen barrier to protect the colorant layer and have a short shelf life. The use of alkali soluble photopolymers comprising moieties derived from 2-alkenylazlactone in the colorant layer of a color proofing construction...

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Bibliographische Detailangaben
Hauptverfasser:	ALI, MOHAMMAD Z, HOLMES, GARY L, ALI, MAHFUZA B
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	Most color proofing constructions use photooligomers that are tacky, require an oxygen barrier to protect the colorant layer and have a short shelf life. The use of alkali soluble photopolymers comprising moieties derived from 2-alkenylazlactone in the colorant layer of a color proofing construction provides a more easily processable proofing construction, eliminates the need for an oxygen barrier and has improved shelf life of the photopolymer. The proofing construction has a flexible support base film and a colorant layer coated thereon, wherein the colorant layer comprises a colorant and an alkali soluble photopolymer.