PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE

PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate which has sufficient performance for printing durability in an image area and resistance to scumming in a non-image area.SOLUTION: In a photosensitive lithographic printing plate having at least a hydrophilic layer contain...

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Bibliographische Detailangaben
1. Verfasser: SHIMONODAN SATOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate which has sufficient performance for printing durability in an image area and resistance to scumming in a non-image area.SOLUTION: In a photosensitive lithographic printing plate having at least a hydrophilic layer containing colloidal silica and a photopolymerized photosensitive layer in this order on a plastic film support, a hydrophilic auxiliary layer is provided between the hydrophilic layer and the photopolymerized photosensitive layer, and the hydrophilic auxiliary layer contains a hydrophilic polymer that is 50 mass% or more to the entire solid portion in the hydrophilic auxiliary layer.