Photosensitive printing plate for waterless offset printing with

Details Photosensitive printing plate for waterless offset printing with Photosensitive printing plate for waterless offset printing with

1988-11-14

1990-09-11

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430175, 430281, 430285, 430303, G03F 7021, G03F 7028, G03F 7032, G03C 176

Patent

active

049562622

ABSTRACT:
A photosensitive printing plate for waterless offset printing is described which comprises a support, a photosensitive layer and an overlying, printing ink-repellent silicone rubber layer. The photosensitive layer contains a diazonium salt polycondensation product, a compound which can be polymerized by means of free radicals, preferably a (meth)acrylate, a photopolymerization initiator and optionally a binder. The printing plate has higher photosensitivity than corresponding plates whose photosensitive layer contains only a photopolymerizable mixture or only a diazonium salt polycondensation product.

REFERENCES:
patent: 3511178 (1970-05-01), Curtin
patent: 3894873 (1975-07-01), Kobayashi et al.
patent: 4659645 (1987-04-01), Frommeld et al.
patent: 4687727 (1987-08-01), Toyoma et al.
patent: 4775607 (1988-10-01), Schlosser

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