Hologram recording material
The present invention provides a hologram recording material which can modulate its refractive index effectively with visible light laser and is excellent also in transparency after this modulation. The present invention relates to a hologram recording material comprising a polymer (A) having a radi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention provides a hologram recording material which can modulate its refractive index effectively with visible light laser and is excellent also in transparency after this modulation. The present invention relates to a hologram recording material comprising a polymer (A) having a radically polymerizable side chain vinyl group in the molecule thereof, said polymer (A) being a polymer of monomers comprising as an essential component an acryl-vinyl monomer represented by the following formula (1): CH2 C(R1)C( O)O-R2 CH2 (1) wherein R1 represents a hydrogen atom or methyl group, and R2 represents a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms, which may contain hetero atoms or halogen atoms in the molecule thereof; and a photopolymerization initiation source (B) which generates an active seed by visible light, and particularly relates to a hologram recording material having the aforementioned constitution in which the aforementioned photopolymerization initiation source (B) is a photopolymerization initiator which absorbs visible light to generate an active seed or a mixture of visible light-sensitizing dye and photopolymerization initiator. |
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