Negative working, peel developeable, single sheet color proofing

Details Negative working, peel developeable, single sheet color proofing Negative working, peel developeable, single sheet color proofing

1995-05-05

1997-08-26

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Image layer portion transfer and element therefor

430254, 430257, 430260, 4302701, 430293, 430143, 430913, 430915, 430919, 430920, G03C 300

Patent

active

056609680

ABSTRACT:
In the present invention, one produces a negative-acting color proofing element comprising, sequentially: a strippable cover sheet which is transparent to actinic radiation; a crosslinked layer containing a polymer having phenolic groups; a color layer, containing a colorant, a polymeric binder, a polymerizable monomer and, optionally, a photoinitiator; a photoadhering layer, containing a linear photosensitive polymer containing ethylenically unsaturated, free-radical polymerizable groups and having a weight average molecular weight greater than 3,000, a polymerizable monomer, and, optionally, a free radical photoinitiator, a thermoplastic adhesive layer; and a receiver sheet, at least one of the color layer and the photoadhering layer containing a photoinitiator, which is brightener.

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patent: 5212307 (1993-05-01), Wilczak
patent: 5300399 (1994-04-01), Wilczak
patent: 5436112 (1995-07-01), Hsieh et al.

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