Process for producing aluminum support of a printing plate

Details Process for producing aluminum support of a printing plate Process for producing aluminum support of a printing plate

1988-10-31

1992-08-25

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041294, 20412975, C25F 304

Patent

active

051416050

ABSTRACT:
An aluminum plate is subjected to electrochemical surface-roughening treatment etching treatment, and an additional electrochemical surface-roughening treatment in an acidic electrolyte, in the stated order. The electrochemical surface-roughening treatment is carried out in an electrolyte containing nitric acid by using alternating current. The resulting plate has excellent printing performance and long running characteristics.

REFERENCES:
patent: 4166015 (1979-08-01), Raether
patent: 4272342 (1981-06-01), Oda et al.
patent: 4545866 (1985-10-01), Ohba et al.
patent: 4561944 (1985-12-01), Sasaki et al.
patent: 4714528 (1987-12-01), Takeuchi et al.
patent: 4721552 (1988-01-01), Huang et al.

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