Aziridine primer for flexographic printing plates

Details Aziridine primer for flexographic printing plates Aziridine primer for flexographic printing plates

1994-01-28

1996-07-09

Lesmes, George F.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

4302871, 430 18, 430306, G03C 173

Patent

active

055343910

ABSTRACT:
The invention is a flexible plate, suitable for use as a flexographic printing plate, comprising a flexible substrate primed with an aziridine functional material, and, contacting a primed surface of said substrate, a photosensitive layer which comprises a substantially polar acrylate compound, an elastomeric block copolymer, and a photoinitiator. The adhesion between the substrate and the photosensitive layer is strengthened by use of the aziridine functional primer in combination with a substantially polar acrylate compound. In contrast, when acrylate compounds with large nonpolar portions are used, the adhesion tends to be poor. The adhesion is further improved by exposure of the plate to radiation.

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