Photosensitive lithographic printing plate requiring no fountain

Details Photosensitive lithographic printing plate requiring no fountain Photosensitive lithographic printing plate requiring no fountain

1995-01-09

1996-04-02

Funk, Stephen

Printing

Planographic

Lithographic printing plates

101457, 101459, 430303, 205153, 205921, B41N 108

Patent

active

055030742

ABSTRACT:
A photosensitive lithographic printing plate requiring no fountain solution, which comprises an aluminum base and, formed thereon in the following order, a primer layer, a photosensitive layer, and a silicone rubber layer, wherein the aluminum base has a roughened surface with an average roughness (R.sub.a) of from 0.2 .mu.m to 0.8 .mu.m and a whiteness of from 0.10 to 0.35, and the primer layer is a homogeneous layer comprising a binder as the main component. The lithographic printing plate requiring no fountain solution is excellent in tone reproducibility, suitability for plate inspection, suitability for plate scanner examination, and press life.

REFERENCES:
patent: 3929591 (1975-12-01), Chu et al.
patent: 4476006 (1984-10-01), Ohba et al.
patent: 4976198 (1990-12-01), Ohba et al.
patent: 5288372 (1994-02-01), Baker et al.
English Translation of JP-A-4-91992.
English Translation of JP-A-5-257269.

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