Planographic printing member and process for its manufacture

Details Planographic printing member and process for its manufacture Planographic printing member and process for its manufacture

1999-08-03

2000-10-31

Funk, Stephen R.

Printing

Planographic

Lithographic plate making, and processes of making or using...

101455, B41C 110

Patent

active

061385689

ABSTRACT:
A planographic printing member comprising a substrate, an oleophilic layer, an infra-red sensitive/ablatable layer, and a hydrophilic layer. The hydrophilic layer is derived from a silicate solution, optionally containing particulate materials such as alumina and/or titania. The printing member may be exposed to radiation from a laser which ablates the infra-red sensitive/ablatable layer to reveal areas of the oleophilic layer. An exposed printing member may be used in wet lithographic printing.

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