Process for forming a polymerized material and presenting hologr

Details Process for forming a polymerized material and presenting hologr Process for forming a polymerized material and presenting hologr

1993-06-09

1995-03-14

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Holographic process, composition, or product

430 2, 430281, 359 1, 359 3, G03H 104, G03H 118

Patent

active

053976622

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.

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