Support material for offset-printing plates in the form of a she

Details Support material for offset-printing plates in the form of a she Support material for offset-printing plates in the form of a she

1991-07-17

1994-04-12

Ryan, Patrick J.

Stock material or miscellaneous articles

Composite

Of metal

428409, 428462, 430525, 430526, 430302, 101453, 101454, 101457, 101459, 526265, 526274, 526287, 526312, B32B 1508

Patent

active

053024605

ABSTRACT:
A support material for photosensitive substances, useful in the production of offset-printing plates, is disclosed. The support material comprises mechanically, chemically or electrochemically roughened aluminum or an aluminum alloy in the form of a sheet, a foil or a web, and which is coated on at least one side with a hydrophilic polymer which comprises (a) at least 2 mol% of units having acidic side groups and (b) at least 2 mol% of units having basic side groups which are capable of being protonated.

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