Process for the preparation of planographic printing forms...

Details Process for the preparation of planographic printing forms... Process for the preparation of planographic printing forms...

B - Operations, Transporting

41

N

96/2, 101/61

B41N 3/03 (2006.01) B41C 1/10 (2006.01)

Patent

CA 1094376

Abstract of the Disclosure This invention relates to an improvement in the process for the preparation of a planographic printing form in which a recording material comprising a support of anodically oxidized aluminum and a recording layer thereon is imagewise irradiated with a laser beam, thereby render- ing the irradiated portions of the recording layer oleophelic and/or In- soluble, and the non-irradiated portions of the recording layer are then removed, where necessary, by washing with a developer liquid, the improvement comprising an oxide layer on said support weighing at least 3 grams per square meter.

272153

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