Photopolymer composition and its use

Details Photopolymer composition and its use Photopolymer composition and its use

1990-05-10

1993-10-05

Schofer, Joseph L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430 2, 430281, 430910, 430915, 522 26, 524715, G03C 173

Patent

active

052503917

ABSTRACT:
A photopolymerizable composition includes a water-insoluble olefinic compound that is polymerizable with free-radical initiators, an oil-soluble phenothiazine dye that is soluble in water-immiscible organic solvents, and a reducing agent operable to react with the dye to form reactive free radicals only when the dye is in an excited state induced by exposure to light. The reducing agent and the dye are reacted together under the influence of light, and particularly red light. The resulting reactive free radicals cause the olefinic compound to polymerize to a polymer that is substantially unaffected by the presence of moisture.

REFERENCES:
patent: 3531281 (1970-09-01), Rust
patent: 3531282 (1970-09-01), Miller
patent: 3573922 (1971-04-01), Rust
patent: 3627656 (1971-12-01), Miller et al.
patent: 4874685 (1989-10-01), Adair
The Condensed Chemical Dictionary, 6th Ed., 738 (1961) Reinhold, N.Y.
The Merck Index, 11th Ed., pp. 330 and 1501, (1989) Merck, N.J.

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