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

1983-10-27

1984-07-17

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430306, 430309, 430328, 430273, 430283, 430285, 430286, G03C 500

Patent

active

044606753

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.
patent: 4323636 (1982-04-01), Chen
patent: 4323637 (1982-04-01), Chen et al.
patent: 4369246 (1983-01-01), Chen et al.

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