| 摘要 |
PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate material with excellent uniformity of image reproducibility, a support for the photosensitive lithographic printing plate material, and a manufacturing method of the support. SOLUTION: This manufacturing method of the aluminum support for the lithographic printing plate material has an electrolytic surface roughening treatment process which includes the electrolysis process to roughen the surface of a conveyed aluminum web through electrolytic steps with the help of an electrolyte. In addition, the electrolyte contains hydrochloric acid, and the electrolytic surface roughening treatment process has the immersion process to soak the aluminum web in the electrolyte for not less than 6 sec to not more than 10 sec prior to the electrolysis process. COPYRIGHT: (C)2009,JPO&INPIT
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