Photopolymerizable sheet material with diazo resin layer

Light-sensitive sheet material is provided comprising a base sheet bearing a thin coating of a diazo resin over which is provided a photopolymerizable layer. Upon exposure of the sheet material to actinic radiation, the image areas of the photopolymerizable layer as well as corresponding areas of di...

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Bibliographische Detailangaben
Hauptverfasser: BONHAM, JAMES A
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Light-sensitive sheet material is provided comprising a base sheet bearing a thin coating of a diazo resin over which is provided a photopolymerizable layer. Upon exposure of the sheet material to actinic radiation, the image areas of the photopolymerizable layer as well as corresponding areas of diazo resin are insolubilized. Preferred sheet material is useful in lithographic printing.