Flexographic printing plates prepared by photopolymerising plate coating through negative

A method for the preparation of moulds used in flexographic printing comprises: (a) a photopolymerisable printing plate is exposed to actinic radiation through a negative in order to form an image on the plate ; (b) the negative is removed ; and (c) non-photopolymerised material is washed off the pl...

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Bibliographische Detailangaben
Hauptverfasser:	DREHER, MARTIN L., 63500 SELIGENSTADT, DE, DUDEK, DIETMAR., 63225 LANGEN, DE
Format:	Patent
Sprache:	eng ; 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:	A method for the preparation of moulds used in flexographic printing comprises: (a) a photopolymerisable printing plate is exposed to actinic radiation through a negative in order to form an image on the plate ; (b) the negative is removed ; and (c) non-photopolymerised material is washed off the plate. Prior to laying the negative on the plate, a solution comprising a solvent (mixture) and at least one film-forming binder polymer is used to treat the side of the negative facing the plate, and then the solvent is removed by evaporation.