Process for preparing an overcoated photopolymer printing plate

Details Process for preparing an overcoated photopolymer printing plate Process for preparing an overcoated photopolymer printing plate

1982-01-21

1984-01-24

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

156234, 427365, 430271, 430281, G03C 168

Patent

active

044277598

ABSTRACT:
Process for preparing flexographic photopolymer elements by passing into the nip of a calender a photopolymer composition mass comprising elastomeric binder, monomeric compound, and photoinitiator and calendering the photopolymer composition either between (1) a support and multilayer cover element consisting essentially of a flexible cover film, optionally a flexible polymeric film, e.g., polyamide, and a layer of elastomeric composition which is photosensitive or becomes photosensitive during or after calendering, or between (2) two supports, one of which is removed prior to contact, e.g., by lamination or pressing, with the multilayer cover element. The flexographic photopolymer elements are useful for flexographic printing, e.g., dry-offset, letterpress printing.

REFERENCES:
patent: 3287152 (1966-11-01), Alles et al.
patent: 3990897 (1976-11-01), Zuerger et al.
patent: 4179531 (1979-12-01), Hein et al.
patent: 4228534 (1981-08-01), Shinozaki et al.

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