Radiation imagery chemistry: process – composition – or product th – Microcapsule – process – composition – or product
Patent
1993-11-05
1994-08-23
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Microcapsule, process, composition, or product
430157, 430162, 430168, 430169, 430278, 430281, 430284, 430325, G03F 7021, G03F 730
Patent
active
053406818
ABSTRACT:
Photopolymeric printing plates are presented wherein and electrochemically etched and anodized, silicated aluminum substrate has a single photosensitive coating thereon composed of a photopolymerizable combination which includes a photopolymerizable pigment dispersion, a photosensitive lithographic diazonium resin, multifunctional acrylate oligomer, multifunctional acrylate monomer, photopolymerizable binder and photoinitiator to yield a non-tacky, mar resistant, easily developed durable plate. In a preferred embodiment, an additional aqueous, non-photosensitive overcoat is applied over the initial coating to retard oxygen inhibition.
REFERENCES:
patent: 3905815 (1975-09-01), Bonham
patent: 4659645 (1987-04-01), Frommeld et al.
patent: 4687727 (1987-08-01), Toyama et al.
patent: 4886731 (1989-12-01), Sypek et al.
Grosclaude Gary V.
Perron Paul A.
Sypek Maria T.
Bowers Jr. Charles L.
Doyle Michael J.
International Paper Company
Roberts Richard S.
Young Christopher G.
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