| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithographic printing plate material used for CTP (computer-to-plate) and an aluminum support body used for the lithographic printing plate material permitting operation without pollution to processes in manufacturing the lithographic printing plate material, in plate making work and in printing. SOLUTION: The lithographic printing plate material has a hydrophilic layer containing hydrophilic inorganic particles, on the aluminum support body having an anodization film, and has an image forming layer on the hydrophilic layer, wherein the quantity distribution of the anodization film is set such that the average adhesion quantity Ea of the anodization film in a 5% region E inside at least one side is 1.0-3.0 g/m<SP>2</SP>, that the average adhesion quantity Ca of the anodization film of a 90% region C of the center part excluding the region E is 0.5-2.0 g/m<SP>2</SP>and that the average adhesion quantity Ea of the anodization film of a 5% region E inside one side is not less than 1.5 times the average adhesion quantity of the anodization film of the 90% region C of the center part excluding the region E. COPYRIGHT: (C)2009,JPO&INPIT
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