PRINTING PLATE FOR ELECTROPHOTOGRAPHIC PHOTOMECHANICAL PROCESS

PURPOSE:To give high printing resistance by using a specified compd. as an org. photoconductive compd. in a printing plate for electrophotographic photomechanical process having a layer contg. the org. photocondutive compd. and an alkali- soluble resin on a conductive substrate. CONSTITUTION:An org....

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Bibliographische Detailangaben
Hauptverfasser:	TSUTSUI KIYOUJI, SAKAI KIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY LINING MACHINES MAGNETOGRAPHY MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING PLATES OR FOILS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PURPOSE:To give high printing resistance by using a specified compd. as an org. photoconductive compd. in a printing plate for electrophotographic photomechanical process having a layer contg. the org. photocondutive compd. and an alkali- soluble resin on a conductive substrate. CONSTITUTION:An org. photoconductive compd. in a printing plate for electrophotographic photomechanical process having a layer contg. the org. photoconductive compd. and an alkali-soluble resin on a conductive substrate is represented by the formula shown here in which R1 is 1-11C alkyl, substd. or nonsubstd. phenyl or heterocyclic; R2, R3 are each H, 1-4C alkyl, chlorinated alkyl, or substd. or nonsubstd. aralkyl, and both may combine with each other to form an N-contg. hetero ring; and R4 is H, 1-4C alkyl, alkoxy, or halogen. The photoconductive layer is formed in 2-15mum thickness, and a suitable content of the photoconductive compd. in the photoconductive layer is 10-60wt%.