Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Image layer portion transfer and element therefor
Patent
1993-01-21
1994-04-05
Bowers, Jr., Charles L.
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, 430293, 430143, G03C 300
Patent
active
053003993
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 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 the photoinitiator.
REFERENCES:
patent: 4050936 (1977-09-01), Takeda et al.
patent: 4766053 (1988-08-01), Shinozaki et al.
patent: 4963462 (1990-10-01), Wilczak
patent: 5183723 (1993-02-01), Platzer et al.
Bowers Jr. Charles L.
Hoechst Celanese Corporation
Kalyanaraman Palaiyur S.
Letscher Geraldine
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