PHOTOSENSITIVE COMPOSITION FOR VOLUME HOLOGRAM RECORDING, PHOTOSENSITIVE SUBSTRATE FOR VOLUME HOLOGRAM RECORDING, AND VOLUME HOLOGRAM-RECORDED OBJECT

WIPO Patent Application WO/2014/030712

A1

Provided are: a photosensitive composition for volume hologram recording which has high sensitivity when used in hologram recording and has a large refractive-index modulation amount when exposed to light in a small amount and in which decoloration of the sensitizing dye is not inhibited; a photosensitive substrate for volume hologram recording; and a volume hologram-recorded object which has high productivity and can give a high-luminance hologram image. The photosensitive composition for volume hologram recording comprises photopolymerizable monomers, a photopolymerization initiator, a sensitizing dye that sensitizes the photopolymerization initiator, a binder resin, and a compound containing thiol groups, wherein the photopolymerizable monomers comprise a photo-radical polymerizable monomer and a photo-cationic polymerizable monomer and the compound containing thiol groups serves as a chain-transfer agent for the photo-radical polymerizable monomer and is a polyfunctional primary thiol compound that has at least two primary thiol groups per molecule, the compound which contains thiol groups being contained in an amount of 1.5-30 parts by mass per 100 parts by mass of the photo-radical polymerizable monomer.

HAMADE ERIKO (JP)
ETO KOJI (JP)
OIKAWA NOBUKO (JP)
AZAKAMI MINORU (JP)
MIURA KEISUKE (JP)

PCT/JP2013/072445

February 27, 2014

August 22, 2013

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DAINIPPON PRINTING CO LTD (JP)

G03H1/02; C08L101/12; G11B7/244

JP2004318070A	2004-11-11
JP2007187875A	2007-07-26
JP2007186599A	2007-07-26
JP2006251391A	2006-09-21

KISHIMOTO, Tatsuhito et al. (JP)
Kishimoto Expert (JP)

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