Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Post imaging treatment with particles
Patent
1980-12-12
1982-10-26
Louie, Jr., Won H.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Post imaging treatment with particles
430256, 430263, 430293, 430262, G03C 190
Patent
active
043562531
ABSTRACT:
Improved process for forming multicolor proofs by laminating to a receptor a positive-working photopolymer element having an electrical discharge treated polyethylene terephthalate support bearing a photopolymerizable layer containing a monomeric component of or mixture of monomeric components as defined; a compatible polymeric acrylate binder and optionally a polyvinyl acetate binder, the weight ratio of polyvinyl acetate to acrylate binder being less than 4 to 3, and an initiator or initiator system; exposing the layer imagewise; removing the support, applying and distributing colorant, removing the colorant in the exposed areas and repeating the steps at least once with another photopolymer element, the lamination being to the previously laminated element.
REFERENCES:
patent: 3113208 (1963-12-01), Traver
patent: 3220842 (1965-11-01), Carroll et al.
patent: 3649268 (1972-03-01), Chu et al.
E. I. Du Pont de Nemours and Company
Louie, Jr. Won H.
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