Photosensitive composition for volume hologram recording, photosensitive substrate for volume hologram recording, and volume hologram recorded medium

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United States of America Patent

PATENT NO 9709952
SERIAL NO

14423255

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Abstract

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The present invention is to provide: a photosensitive composition for volume hologram recording and a photosensitive substrate for volume hologram recording, which provide increased sensitivity during hologram recording and a high refractive index modulation amount, and which do not inhibit the decolorization of the sensitizing dye; and a volume hologram recorded medium which provides high-luminance hologram images with increased productivity. Disclosed is a photosensitive composition for volume hologram recording, comprising: a photopolymerizable monomer, a photopolymerization initiator, a sensitizing dye for sensitizing the photopolymerization initiator, a binder resin, and a thiol group-containing compound, wherein the photopolymerizable monomer contains a photoradically polymerizable monomer and a photocationically polymerizable monomer; wherein the thiol group-containing compound is a chain transfer agent for the photoradically polymerizable monomer and is a polyfunctional secondary thiol compound having two or more secondary thiol groups per molecule; and wherein the content of the thiol group-containing compound is 1.5 to 30 parts by mass with respect to 100 parts by mass of the photoradically polymerizable monomer.

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Patent Owner(s)

Patent OwnerAddress
DAI NIPPON PRINTING CO LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azakami, Minoru Tokyo-to, JP 17 93
Eto, Koji Tokyo-to, JP 67 400
Hamade, Eriko Tokyo-to, JP 1 7
Miura, Keisuke Tokyo-to, JP 120 1017
Oikawa, Nobuko Tokyo-to, JP 9 18

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