JPH0411857B

PURPOSE:To obtain a water-developable photosensitive lithographic printing plate having high sensitivity, superior chemical resistance and printing resistance by forming a photosensitive layer contg. specified photo-crosslinkable polyester, an ethylenic unsatd. compound, and a photopolymn. initiator...

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Bibliographische Detailangaben
Hauptverfasser:	OOSHIMA AKINOBU, SHIMIZU SHIGEKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON ELECTROGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS THEREFOR METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a water-developable photosensitive lithographic printing plate having high sensitivity, superior chemical resistance and printing resistance by forming a photosensitive layer contg. specified photo-crosslinkable polyester, an ethylenic unsatd. compound, and a photopolymn. initiator on a support. CONSTITUTION:Photo-crosslinkable polyester contg. aromatic dicarboxylic acid units (A) represented by formula I (where each of m and n is 0 or 1), dicarboxylic acid units (B) each having a sulfonate group, and diol units (C) represented by formula II (where each of R and R is 2-4C alkylene; each of R and R is H or 1-6C alkyl; each of r and s is 0-3; and t is 0 or 1) is prepared. A photosensitive layer contg. the polyester, an ethylenic unsatd. compound having >=2 addition-polymerizable terminal unsatd. double bonds such as acrylic acid, and a photopolymn. initiator such as benzoin is formed on a support to obtain the desired photosensitive lithographic printing plate.