Photopolymer formulations for producing holographic media having highly crosslinked matrix polymers

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United States of America Patent

PATENT NO 9760060
APP PUB NO 20160054704A1
SERIAL NO

14826324

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator, containing a coinitiator and a dye having the formula F An, where F stands for a cationic dye and An″ stands for an anion, wherein the dye having the formula F An comprises a water absorption of =5%. The invention further relates to a holographic medium, in particular in the form of a film, containing a photopolymer formulation according to the invention, to the use of such a medium for recording holograms, and to a special dye that can be used in the photopolymer formulation according to the invention.

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Patent Owner(s)

Patent OwnerAddress
BAYER MATERIALSCIENCE AG51368 LEVERKUSEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berneth, Horst Leverkusen, DE 136 995
Bruder, Friedrich-Karl Krefeld, DE 126 751
Fäcke, Thomas Leverkusen, DE 60 566
Hönel, Dennis Zülpich-Wichterich, DE 56 549
Roelle, Thomas Leverkusen, DE 15 121
Weiser, Marc-Stephan Leverkusen, DE 59 573

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