Process for electrolytically surface-roughening aluminum support

Details Process for electrolytically surface-roughening aluminum support Process for electrolytically surface-roughening aluminum support

1988-12-15

1990-04-10

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

204 376, 2041294, 20412975, 204131, C25D 1318, C25D 1320, C25F 300

Patent

active

049158007

ABSTRACT:
The present invention relates to a process for electrically surface-roughening an aluminum support comprising forming an organic or inorganic coating on the aluminum support before the electrolytic surface-roughening of the aluminum plate. According to the present invention, a lithographic printing plate whose non-image area is difficult to be stained and which has an excellent printing durability is obtained.

REFERENCES:
patent: 3891516 (1975-06-01), Chu
patent: 4547274 (1985-10-01), Ohashi et al.
patent: 4561944 (1985-12-01), Sasaki et al.
patent: 4624752 (1986-11-01), Arrowsmith et al.
patent: 4686021 (1987-08-01), Nakanishi et al.

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