Process for surface treatment of flexographic printing plates co

Details Process for surface treatment of flexographic printing plates co Process for surface treatment of flexographic printing plates co

1982-05-07

1983-08-23

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430309, 430328, 430331, 430286, 430271, G03C 500

Patent

active

044004605

ABSTRACT:
Process for providing improved solvent resistant surfaces of relief flexographic printing plates prepared by imagewise exposure and liquid development of the unexposed areas of a layer of photosensitive elastomeric composition comprising a high molecular weight butadiene/acrylonitrile copolymer and a monomeric compound wherein, after drying, the developed surface is in either order (1) postexposed to actinic radiation, and (2) contacted with 0.01 to 3.5% by weight aqueous bromine solution for about 15 seconds to 20 minutes.

REFERENCES:
patent: 3968316 (1976-07-01), Jyo et al.
patent: 4177074 (1979-12-01), Proskow

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