Process for preparing surprint proof of an improved support

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Readily visible image formation

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430271, 430273, G03C 500

Patent

active

046346589

ABSTRACT:
Process for preparation of improved surprint multilayer proof using at least three nonplanar nonsilver photoimaged elements, i.e., negative-working photosensitive element which are laminated sequentially to a support having a permeability to air of less than 0.1 cm.sup.3 /second, a peel adhesion value of at least 250 g/inch (98.48/cm) and a total luminous transmission not in excess of 25%, e.g., oriented polyethylene terephthalate film filled with polypropylene and/or with BaSO.sub.4 or TiO.sub.2. The surprints are useful as pre-press proofs.

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patent: 4476153 (1984-10-01), Kiritani et al.

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