LITHOGRAPHIC PRINTING PLATE
PROBLEM TO BE SOLVED: To provide a lithographic printing plate material in which the deinking rate in a nonimage part is increased, and to provide a lithographic printing plate exhibiting high recovering property from stain even when the plate is stained during printing. SOLUTION: This lithographic...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a lithographic printing plate material in which the deinking rate in a nonimage part is increased, and to provide a lithographic printing plate exhibiting high recovering property from stain even when the plate is stained during printing. SOLUTION: This lithographic printing plate is produced by sequentially applying at least a base coating layer, a silver halide emulsion layer and a physical developing nuclear layer on a support, and the printing plate uses a silver salt diffusion transfer method. The amt. of water absorbed after development on the side of the lithographic printing plate including the silver halide emulsion layer is |
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