G - Physics – 03 – C
Patent
G - Physics
03
C
96/200
G03C 3/00 (2006.01) G03F 7/00 (2006.01) G03F 7/075 (2006.01)
Patent
CA 1061158
Abstract of the Disclosure This invention relates to an improvement in a presensitized print- ing plate having, on an electrolytically oxidized surface of an aluminum support, a light-sensitive copying layer containing an o-naphthoquinone diazide compound and at least one resin selected from the group con- sisting of a novolak and a resol, the improvement comprising the inclusion in said copying layer of an amino alkoxy silane compound of the formula Image wherein R is an amino group or an amino alkylamino group with 1 to 4 carbon atoms, R' is an alkyl group with 1 to 4 carbon atoms, and R" is either the methyl group or R-(CH2)n, and wherein m is 2 or 3, n is 1, 2, or 3, and p is 0 or 1, and m and p, taken together, being 3, whereby the adhesion of the copying layer to the oxidized surface of the support is increased.
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