Substrates for PS plates

Details Substrates for PS plates Substrates for PS plates

1989-06-05

1992-05-19

Valentine, Donald R.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430157, 430278, 428469, 2041291, 2041294, 20412975, 205201, 205214, 205325, G03C 152, G03C 1495, C25F 304

Patent

active

051148250

ABSTRACT:
An aluminum alloy substrate for presensitized plates for use in making lithographic printing plates comprises an aluminum alloy plate composed of not less than 0.05% by weight and less than 0.5% by weight of Si; 0.2 to 0.7% by weight of Fe; 0.3 to 1.5% by weight of Mn; less than 0.5% by weight of Cu; and the balance of aluminum and unavoidable impurities, the surface of the aluminum alloy plate being subjected to electrolytic graining treatment. The aluminum alloy substrates for PS plates are favorable for appropriate electrolytic graining treatment and show good printing properties and sufficient strength suitable for high-speed printing operation.

REFERENCES:
patent: 4294672 (1981-10-01), Ohba et al.
patent: 4476006 (1984-10-01), Ohba et al.
patent: 4482434 (1984-11-01), Pliefke
patent: 4482444 (1984-11-01), Frass et al.
patent: 4822715 (1989-04-01), Shoji et al.
patent: 4945004 (1990-07-01), Sprintschnik et al.

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