Lithographic printing plates having a thin releasable interlayer

Details Lithographic printing plates having a thin releasable interlayer Lithographic printing plates having a thin releasable interlayer

1998-03-09

2000-01-18

Funk, Stephen R.

Printing

Planographic

Lithographic printing plates

1014501, 101459, 101467, 430302, B41N 108, G03F 711

Patent

active

060149299

ABSTRACT:
This invention discloses lithographic printing plates having a thin releasable interlayer interposed between a rough and/or porous substrate and a radiation-sensitive layer. The radiation-sensitive layer is bonded to the rough and/or porous substrate through mechanical interlocking. Insertion of a thin releasable interlayer in such a configuration minimizes cross-contamination between the substrate and the radiation-sensitive layer, protects the substrate from attack by environmental species and reduces ink scumming tendency of the plates while still allowing good bonding between the substrate and the radiation-sensitive layer.

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