Title:
METHOD OF ELECTROCHEMICALLY ROUGHENING PRINTING PLATE SUPPORT OF STEEL BASE AND ELECTROLYTE THROUGH WHICH SAID METHOD IS EXECUTED
Document Type and Number:
Japanese Patent JPS6125887
Kind Code:
A
Abstract:
Disclosed is a process and an electrolyte solution for electrochemically roughening steel-based supports for offset printing plates. The treatment is carried out in a hydrochloric acid electrolyte which comprises at least one wetting agent inhibitor. As a result, a uniform surface topography of the plates is achieved, while largely avoiding the formation of scars. The roughened plates are corrosion-resistant and can be coated either directly or indirectly after first treating the plates to render them hydrophilic.
Inventors:
ENGERUBERUTO PURIIFUKE
Application Number:
JP14594785A
Publication Date:
February 04, 1986
Filing Date:
July 04, 1985
Export Citation:
Assignee:
HOECHST AG
International Classes:
B41N1/08; B41N3/00; B41N3/03; C25F3/06; (IPC1-7): B41N3/02; C25F3/06
Attorney, Agent or Firm:
Toshio Yano