WO2005078532A1 - 体積型ホログラム記録材料および体積ホログラム記録媒体 - Google Patents
体積型ホログラム記録材料および体積ホログラム記録媒体 Download PDFInfo
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- WO2005078532A1 WO2005078532A1 PCT/JP2005/001971 JP2005001971W WO2005078532A1 WO 2005078532 A1 WO2005078532 A1 WO 2005078532A1 JP 2005001971 W JP2005001971 W JP 2005001971W WO 2005078532 A1 WO2005078532 A1 WO 2005078532A1
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- volume hologram
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- polymerizable monomer
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- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 150000002560 ketene acetals Chemical class 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- ZCNSBHAIPOWHJE-UHFFFAOYSA-N methyl 2-dimethylaminobenzoate Chemical compound COC(=O)C1=CC=CC=C1N(C)C ZCNSBHAIPOWHJE-UHFFFAOYSA-N 0.000 description 1
- SKEQOTBKQUCUGK-UHFFFAOYSA-N o-(2-hydroxyethyl) propanethioate Chemical compound CCC(=S)OCCO SKEQOTBKQUCUGK-UHFFFAOYSA-N 0.000 description 1
- XVKLLVZBGMGICC-UHFFFAOYSA-N o-[3-propanethioyloxy-2,2-bis(propanethioyloxymethyl)propyl] propanethioate Chemical compound CCC(=S)OCC(COC(=S)CC)(COC(=S)CC)COC(=S)CC XVKLLVZBGMGICC-UHFFFAOYSA-N 0.000 description 1
- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- WVIICGIFSIBFOG-UHFFFAOYSA-N pyrylium Chemical class C1=CC=[O+]C=C1 WVIICGIFSIBFOG-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 150000003334 secondary amides Chemical class 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 229910052990 silicon hydride Inorganic materials 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- OKYDCMQQLGECPI-UHFFFAOYSA-N thiopyrylium Chemical compound C1=CC=[S+]C=C1 OKYDCMQQLGECPI-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- RLGKSXCGHMXELQ-ZRDIBKRKSA-N trans-2-styrylquinoline Chemical compound C=1C=C2C=CC=CC2=NC=1\C=C\C1=CC=CC=C1 RLGKSXCGHMXELQ-ZRDIBKRKSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- XGRNRNBLZBXWPH-UHFFFAOYSA-N tritert-butyl 5-(4-tert-butylperoxycarbonylbenzoyl)cyclohexa-2,4-diene-1,1,2-tricarboperoxoate Chemical compound C1C(C(=O)OOC(C)(C)C)(C(=O)OOC(C)(C)C)C(C(=O)OOC(C)(C)C)=CC=C1C(=O)C1=CC=C(C(=O)OOC(C)(C)C)C=C1 XGRNRNBLZBXWPH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
- G03F7/035—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polyurethanes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/001—Phase modulating patterns, e.g. refractive index patterns
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0248—Volume holograms
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24044—Recording layers for storing optical interference patterns, e.g. holograms; for storing data in three dimensions, e.g. volume storage
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/245—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2260/00—Recording materials or recording processes
- G03H2260/12—Photopolymer
Definitions
- volume hologram recording material and volume hologram recording medium Volume hologram recording medium
- the present invention relates to a material suitable for volume holographic recording and a medium useful when used with a holographic data recording system.
- a hologram records a pattern formed by two interference fringes on a photosensitive material, and irradiates it with the same laser beam from the same direction as the reference light to reproduce a three-dimensional image exactly at the position where the subject originally existed. It looks like it is being done.
- This hologram technology is expected in the field of large-capacity memories for three-dimensional image display devices, images, and bit information.
- the photosensitive composition for producing a volume hologram includes a radical polymerizable monomer and a binder polymer, a photo-radical polymerization initiator, and a sensitizing dye, as disclosed in JP-B-6-100827.
- the main component is a polymer which utilizes a difference in refractive index between a radical polymerizable monomer and a binder polymer. That is, when the photosensitive composition formed in the form of a film is subjected to interference exposure, radical polymerization is started in a part where the light is strong, and the radical polymerization is thereby caused.
- a concentration gradient of the dical polymerizable monomer is generated, and light is weak, and the radical polymerizable monomer is diffused and moved from the part to the strong part.
- the density of the radical polymerizable monomer is increased and decreased, and appears as a difference in refractive index.
- This material system has a problem in storage stability after exposure and heat resistance because the binder polymer is thermoplastic, and is inferior in transparency.
- Japanese Patent No. 2873126 discloses a system using a monomer having a diarylfluorene skeleton as a high refractive index radical polymerizable monomer and a cationic polymerizable monomer having a smaller refractive index than the radical polymerizable monomer.
- the high refractive index component is polymerized by the radical polymerization at the time of hologram exposure, and then the sensitivity at the time of hologram exposure, which fixes the image by cationic polymerization at the fixing exposure, is insufficient.
- a material system utilizing cationic polymerization is disclosed in, for example, JP-T-2001-523842.
- This material system has the advantage that the hologram recorded has high dimensional stability due to its low curing shrinkage ratio, and is not subject to polymerization inhibition due to oxygen.However, the storage stability before exposure is poor, and the temperature dependence of the recording speed is low. Has the disadvantage of being large. Further, since a non-reactive plasticizer or the like is used to improve the refractive index modulation ability, there is a problem in the film strength of the formed hologram, and the refractive index modulation is not sufficient.
- a photopolymer-based composition that is, (a) a cationic polymerizable compound, (a) a radical polymerizable compound, (C) a photo-radical polymerization initiator system for polymerizing the (mouth), and (2) a cationic polymerization initiator system for polymerizing the (ii), wherein the average refractive index of the (ii) is A composition having a refractive index lower than the average refractive index of the above (mouth) is proposed, and a hologram excellent in diffraction effect, wavelength selectivity, refractive index modulation, film strength, etc. can be obtained by using this composition. I have.
- Japanese Patent Application Laid-Open No. 11-352303 discloses a three-dimensional crosslinked polymer matrix and one or more photoactive monomers, and at least one photoactive monomer.
- Monomer forces are disclosed in which, in addition to the monomeric functional groups, polymers that contain moieties that are substantially absent from the polymer matrix and are compatible with the matrix polymer and the polymer that also produces the polymerization force of one or more photoactive monomers. ing.
- a three-dimensional crosslinked polymer matrix is formed by injecting a three-dimensional crosslinked polymer matrix precursor between transparent substrates and crosslinking the matrix.
- the monomer is not incorporated into the matrix because it is independent of the crosslinking reaction and is inactive.
- the combination of the polymer matrix precursor and the monomer that satisfies compatibility between the cross-linking reaction of the polymer matrix precursor and before and after recording is limited, and the optical product disclosed in JP-A No. 1-352303 is limited. In this case, the sensitivity is insufficient, the difference in refractive index is small, and the storage stability after recording is also insufficient.
- Patent Document 1 Japanese Patent Publication No. 06-100827
- Patent Document 2 Japanese Patent No. 2873126
- Patent Document 3 Japanese Patent Publication No. 2001-523842
- Patent Document 4 Japanese Patent Laid-Open No. 05-107999
- Patent Document 5 JP-A-11-352303
- the present invention has been achieved in view of the above situation, and has a high sensitivity and a high refractive index difference, and has excellent storage stability after recording, and a volume hologram recording material using the same. It is to provide a hologram recording medium.
- the present invention comprises a polymer matrix having a three-dimensional crosslinked structure, a polymerizable monomer, and a tertiary amine compound as constituents, and the polymer matrix is polymerized by a polymerization reaction different from the polymerization reaction of the polymerizable monomer.
- the present invention relates to a volume hologram recording material formed in the presence of a monomer and a volume hologram recording medium which also has this material strength. The invention's effect
- volume hologram recording material of the present invention By using the volume hologram recording material of the present invention, a clear image having high sensitivity and diffraction efficiency can be recorded, storage stability after recording is excellent, and a solvent is not required when forming a recording layer. No dissolution and drying steps are required! Volume hologram recording media can be manufactured.
- a compound having a radical polymerizable group is preferably a compound having a radical addition polymerizable group.
- preferable polymerizable monomers include (meth) acrylate, (meth) acrylamide, styrene, substituted styrene, burnaphthalene, substituted burnaphthalene, a mixture of maleate and vinyl ether, a mixture of polyene and polythiol, and Examples include ether, alkenyl ether, allene ether, ketene acetal, epoxy and oxetane.
- Examples of the (meth) acrylate include hydroxyalkyl (meth) acrylates such as 2-hydroxyethyl (meth) acrylate and 2-hydroxypropyl (meth) acrylate;
- Atarilates of alkylene oxide adducts of phenols such as (meth) aphthalate and substituted halogen nuclei thereof; mono- or di (meth) acrylate of ethylene glycol, mono (meth) acrylate of methoxyethylene glycol, tetra Glycol mono or di (meth) atalylate such as mono- or di (meth) acrylate of ethylene dalicol and mono or di (meth) acrylate of tripropylene glycol; tricyclodecane dimethanol di (meth) acrylate , Limethylolpropane tri (meth) atalylate, trihydroxyethyl isocyanurate tri (meth) atalylate, pentaerythritol tri (meth) atalylate, pentaerythritol tetra (meth) atalylate and dipentaerythritol hexaatalylate And the like, and (meth) acryl
- polyene examples include 0-, m- or p-diaryl phthalate, trimethylolpropane diaryl ether, pentaerythritol triallyl ether, triallyl isocyanurate, diaryl bisphenol A, triethylene glycol divinyl ether, Cyclohexane dimethyl divinyl ether, cyclohexane diol divinyl ether, divinyl benzene and the like can be mentioned.
- polythiol examples include ethylene glycol bisthioglycolate, butanediol bisthioglycolate, hexanediolone rebisthioglycolate, ethylene glycolonorebisthiopropionate, butanediol bisthiopropionate, and trimethylolpropane.
- Tris-propionate, pentaerythritol tetrakis-tio-propionate, trihydroxyxethyl tri-isocyanurate tris-propionate and the like can be mentioned.
- the polymerizable monomer preferably has a refractive index after curing of not less than 1.55 and less than 1.65.
- the curing is not necessarily at 100%, but it is sufficient by ordinary light curing means. Refers to the state of being cured. This is because, in ordinary light curing means, the polymerizable monomer often remains slightly in an uncured state.
- the difference ( ⁇ n) between the refractive index of the polymerizable monomer after curing and the refractive index of the polymer matrix is preferably 3 ⁇ 10 ⁇ 3 or more.
- examples of the polymerization reaction that can be used to form a matrix polymer having a three-dimensional crosslinked structure include cationic epoxy polymerization, cationic vinyl ether polymerization, cationic alkyl ether polymerization, cationic allene ether polymerization, and cationic ketene acetal.
- the polymerization proceeds in the presence of protons, the epoxy mercaptan reaction and the Michael force are promoted by a base such as amine, the hydrosilylation proceeds rapidly in the presence of a transition metal catalyst such as platinum, and the formation of urethane and urea is tin. Proceeds fast when a catalyst is used.
- polyisocyanates that can be used in the isocyanate-hydroxy addition polymerization or the isocyanate-thiol addition polymerization include tolylene diisocyanate, 4,4, diphenolemethanediisocyanate, 4,4, dicyclohexane. Hexylmethane diisocyanate, hexamethylene diisocyanate, and isophorone diisocyanate, and examples thereof include a bullet, an isocyanurate, an adduct, and a prepolymer of these isocyanates.
- low molecular weight polyol include ethylene glycol, propylene glycol, cyclohexane dimethanol and 3-methyl-1,5 pentane diol, glycerin, trimethylolpropane, and modified ethylene oxide and propylene oxide thereof. No.
- Polyether polyols include polyethylene glycol, polypropylene glycol, polytetramethylene glycol, and the like.
- Polyester polyols include ethylene glycol, propylene glycol, cyclohexanedimethanol, and 3-methyl-1,5-pentanediol.
- a dibasic acid such as adipic acid, succinic acid, phthalic acid, hexahydrophthalic acid and terephthalic acid, or an acid component such as an anhydride thereof.
- simple thiols include o-, m- and P-xylenedithiol.
- Examples of the thioglycolic acid derivative include ethylene glycol bisthioglycolate, butanediol bisthioglycolate, and hexanediol bisthioglycolate.
- Mercaptopropionic acid derivatives include ethylene glycol bisthiopropionate, butanediol bisthiopropionate, trimethylolpropane tristipropionate, pentaerythritol tetrakisthiopropionate, and trihydroxyethyltriisoisocyanurate. And thiopropionate.
- polyglycidyl ethers of polyols such as (poly) ethylene glycol, (poly) propylene glycol, trimethylolpropane, and glycerin, alicyclic epoxy, and bisphenol A.
- examples include a type epoxy resin and a phenol or cresol novolak type epoxy resin.
- Reactive group of matrix polymer in the present invention, by introducing a reactive group copolymerizable with a polymerizable monomer into a polymer matrix having a three-dimensional cross-linked structure, the reactive group of the three-dimensional cross-linked polymer matrix and the polymerizable monomer coexist during recording. It can be polymerized.
- This copolymer has high compatibility with the polymerizable monomer and its polymer, so that a high degree of transparency is maintained even after recording. As a result, the diffraction efficiency after recording can be increased, and the recorded data can be improved. Reading can be performed easily.
- a polymerizable monomer that has poor compatibility with the polymer matrix but has a large refractive index difference with the matrix can be used as it is, so the refractive index difference of interference fringes formed after recording should be increased. Can be.
- the polymer of the polymerizable monomer can be copolymerized with the polymer matrix having a non-thermoplastic three-dimensional crosslinked structure by recording or subsequent treatment, the storage stability after recording can be improved.
- the reactive group in the polymer matrix having a three-dimensional cross-linking structure is preferably a (meth) atalyloyl group because the material before recording has good stability and the recording speed is high.
- the starting conjugate that can be used to introduce the reactive group may be a compound having both a hydroxy group and a reactive group, or an isocyanate.
- a compound having both a group and a reactive group can be used, but it is industrially available! /, A compound having a hydroxy group and a reactive group is preferable, and as an example, a (meth) Attalay toy daggers.
- Examples of the (meth) atalylate conjugate having a hydroxy group include an adduct of an epoxy compound called epoxy (meth) atalylate and (meth) acrylic acid, and (poly) ethylene.
- Poly (glycol) such as glycol, (poly) propylene glycol, trimethylolpropane, glycerin, etc., with (meth) acrylic acid, and (meth) atalylate and phenol of bisphenol A-type epoxy resin (Meth) acrylate of cresol novolak type epoxy resin.
- a method for introducing a reactive group is to use an excess of It is also possible to select a method in which a polyene monomer is allowed to coexist, and after the matrix is cured, the thiol group remaining in the matrix and polyene are subjected to radical addition polymerization.
- the concentration of the reactive group in the polymer matrix having a three-dimensional crosslinked structure is preferably 0.2 to 10 mol / kg, more preferably 0.4 to 5 mol / kg. If the reactive group is too large, the recorded image may be distorted due to the curing shrinkage of the matrix during recording.If the reactive group is too small, sufficient diffraction efficiency may not be obtained, or the storage stability after recording. May be inferior.
- a tertiary amine when a tertiary amine is blended, the sensitivity can be improved.
- Preferred specific examples include triethylamine, tributylamine, triethanolamine, ⁇ , ⁇ -dimethylbenzylamine, methyl dimethylaminobenzoate, and primary (mono) or polyfunctional (meth) atalylate at the (meth) atalyloyl group of the (meth) atalyloyl group.
- there is an amino (meth) acrylate having a tertiary amino group such as an amine (meth) acrylate having a part or all of a secondary amide added thereto, and dimethylaminoethyl acrylate.
- a preferred amount is 0.1 to 10% by mass.
- additives such as an inert plasticizer (diffusing agent) having a low refractive index may be used.
- low refractive index plasticizers include dioctyl adipate and tributyl acetyl citrate.
- the photopolymerization initiator is appropriately selected and used from a photoradical polymerization initiator and a light-powered thione polymerization initiator according to the type of the polymerization reaction of the monomer.
- Photo-radical polymerization initiators include 1,3-di (t-butyldioxycarbonyl) benzophenone, 3,3,4,4'-tetrakis (t-butyldioxycarbonyl) benzophenone, and N-phen- Luglycine, 2,4,6-tris (trichloromethyl) s-triazine, 3-phenyl-5-isoxazolone, 2-mercaptobenzimidazole, imidazole dimers, commercially available from Ciba as CGI —784! Bis (7?
- Examples of the photoinitiated thione polymerization initiator include aromatic diazo-dum salts, aromatic odonium salts, aromatic sulfo-dum salts, aromatic phospho-dum salts, mixed ligand metal salts, for example, , (7-6-benzene) ( ⁇ 5-cyclopentagel) iron (II), silanol aluminum complex and the like.
- a sensitizing dye can be added for the purpose of improving the sensitivity at each laser light wavelength.
- Sensitizing dyes include xanthene, thioxanthen, cyrinine, merocyanine, coumarin, ketocoumarin, eosin, erythrocystine, titanocene, naphthacene, thiopyrylium, quinoline, styrylquinoline, oxonol, and synonine. , Rhodamine and pyrylium compounds.
- the sensitizing dye be colorless due to decomposition or the like by a post-process after heating the hologram or irradiation with ultraviolet rays.
- the ratio U of the polymerizable monomer and the polymer matrix component is preferably 99-50: 50, more preferably 5: 95-30: 70.
- One preferred embodiment of the method for producing a volume hologram recording medium includes a method of injecting the composition of the present invention into a transparent support.
- a method of injecting into the transparent support specifically, a pair of transparent supports is arranged so that the transparent supports are provided on both sides of the completed recording layer, and the two transparent supports are provided.
- a method of injecting the composition between the bodies, or a method of injecting the composition with the injection hole provided in the box-shaped transparent support, or by opening one side of the box-shaped transparent support After the composition is injected or dropped, a transparent support is placed over the open surface and sealed.
- composition can be applied to an appropriate substrate by a method such as a spin coater, a gravure coater, a comma coater, or a bar coater.
- the thickness of the volume hologram recording material layer is 10-2000 ⁇ m, preferably 100-1000 ⁇ m Good to be.
- the base material of the photosensitive medium for volume hologram recording is a material having transparency, such as glass, polycarbonate, polyethylene, polypropylene, polyethylene fluoride, polyvinylidene fluoride, polyvinyl chloride, and polyvinyl chloride.
- a material having transparency such as glass, polycarbonate, polyethylene, polypropylene, polyethylene fluoride, polyvinylidene fluoride, polyvinyl chloride, and polyvinyl chloride.
- -Ridene ethylene butyl alcohol, polyvinylinoleanol, polymethyl methacrylate, polyether sulfone, polyether ether ether ketone, polyamide, tetrafluoroethylene perfluoroalkyl vinyl ether copolymer, polyethylene terephthalate, etc.
- Resins such as polyester and polyimide are exemplified.
- modulus of the recording layer is in 0 ° C- 50 ° C is usually used temperature, it is preferable that the 10 5 Pa in a range of 10 9 Pa. If the pressure is less than 10 5 Pa, there may be a case where sufficient diffraction efficiency cannot be obtained or the storage stability after recording is poor. If it is higher than 10 9 Pa, the sensitivity may decrease.
- a hologram is recorded with visible laser light such as argon ion laser (458 nm, 488 nm, 514.5 nm), krypton ion laser (647.lnm), and YAG laser (532 nm). Hologram data is recorded in the recording layer.
- visible laser light such as argon ion laser (458 nm, 488 nm, 514.5 nm), krypton ion laser (647.lnm), and YAG laser (532 nm).
- Hologram data is recorded in the recording layer.
- the hologram recording method includes a polarization collinear hologram recording method, a reference beam incident angle multiplexing hologram recording method, and the like.
- the volume hologram recording material of the present invention is used as a recording medium, the reference light and the information light are coaxial.
- the polarization collinear hologram recording method is preferred because of its high position, high-precision positioning and easy vibration countermeasures.
- applications or application fields of the volume hologram recording material of the present invention include optical elements, displays and design, interference measurement, optical information processing, and optical information recording.
- optical elements include diffraction gratings, POS scanners, CD 'DVD player optical heads, beam splitters, interference filters, aircraft' automotive head-up displays. And the like.
- DisplaySpecific examples of giving design are hologram art, interior and exterior decoration, recording of arts and crafts, educational materials, books and magazine covers and illustrations, securities 'ID cards' 'Decoration and prevention of forgery of telephone cards, etc., stereoscopic viewing of CT images, and the like.
- interference measurement examples include measurement of displacement and deformation of an object, measurement of vibration of an object, and measurement of accuracy of an optical surface (computer hologram).
- optical information processing examples include pattern recognition using a holographic matched filter, fingerprint collation, and the like.
- optical information recording examples include (high-quality or digital) television broadcasting, image recording of video camera video, surveillance camera video, information retrieval recording, graphic character input devices, holographic associative memory, and the like.
- the mixture shown in the following table was stirred at 30-40 ° C for 2 hours and dissolved sufficiently.
- a 200-meter-thick tetrafluoroethylene sheet was attached as a spacer to the three ends of the slide glass, covered with slide glass, and the periphery was fixed with clips to form a sample cell.
- One end force of this sample cell The mixture was injected into the cell, left at room temperature for 1 minute to cure the matrix, and a recording layer consisting of a polymer matrix having a three-dimensional cross-linked structure into which a reactive group was introduced, and a polymerizable monomer. Formed.
- 80MFA Epoelite 80MFA manufactured by Kyoeisha-Danigaku, epoxydiatalylate of glycerin diglycidyl ether
- Asahi Denka G-400 modified glycerin propylene oxide (molecular weight 400)
- Asahi Kasei Duranate HDI Hexamethylene diisocyanate
- Ciba Specialty Chemicals' Irgacure784 Bis ( ⁇ -5-2,4-cyclopentadiene-1-yl) bis [2,6-difluoro-3- (1H-pyrroyl-1-yl) phenyl] Cita -Pum
- the recording layer formed as described above was subjected to two-beam interference exposure using a green laser having a wavelength of 532 nm (Compass215M manufactured by Coherent) (FIG. 1). Simultaneously with the two-beam interference exposure, the hologram formation process was monitored with a 635 nm red laser (CoLarent LabLasers), and the diffraction efficiency was evaluated. The diffracted light intensity was measured with a power meter (Advantest Optical Power Multimeter). The intensity of the green laser was 20 mW / cm 2 (measured on the front surface of the substrate), and the intensity of the red laser was 1 ⁇ W / cm 2 (measured on the front surface of the substrate).
- the sample cell After exposing for 40 seconds under the above-mentioned diffraction efficiency measurement conditions, the sample cell was left for 1 hour, heated in an oven at 40 ° C for 24 hours, cooled to room temperature, and then subjected to diffraction efficiency using a red laser with a wavelength of 635 nm. Was measured.
- Table 2 below shows the measurement results of the diffraction efficiency performed as described above.
- the sensitivity and reliability of the volume hologram recording medium can be improved by including the tertiary amine.
- a sample cell was prepared in the same procedure as in Example 1. However, one of the glass substrates (50 x 50 x lmm) was changed to have an aluminum evaporation layer (reflection layer), the spacer was set to 500 m, and the recording layer was set to a thickness of 500 ⁇ m (Fig. 2). A cross-sectional view was shown).
- the heating step for forming the polymer matrix was 80 ° C. for 2 hours instead of the heating conditions (30-40 ° C., 2 hours) in Example 1.
- Data recording was performed under the following conditions using a sample cell having a recording layer formed by the above procedure and a collinear program information recording device SVRD manufactured by Optware.
- the recording medium was set in the holder so that the laser irradiation during recording playback was also performed in the upward direction in Fig. 2, and the position was adjusted so that the focal point was achieved with the aluminum evaporation layer (reflection layer). Reading was performed 30 seconds after writing.
- the information pattern used was the standard equipment (test information pattern of about 1600 bytes).
- Number of recording pulses 200, 1000, 2000 pulses
- Read laser intensity 0.75mW—O.lmW (pulse width lOnsec, repetition interval 50sec, adjusted by CMOS image intensity)
- Example 2 the reproduced image was distorted and blurred when recorded with energy of 1000 pulses. In Example 2, the reproduced image was distorted and blurred (FIG. 3).
- the recording material of the present invention is suitable for a volume hologram recording medium, and does not require a step of dissolving in a solvent and a drying step when forming a recording layer.
- the recording medium made of the recording material of the present invention can record a clear image with high diffraction efficiency and high sensitivity without blur. Further, since it has excellent storage stability after recording, it is useful as a recording medium for storing large-capacity hologram data for a long period of time.
- FIG. 1 is a diagram showing a configuration of a diffraction efficiency measuring device.
- FIG. 2 is a cross-sectional view of the sample cells prepared in Example 2 and Comparative Example 2.
- FIG. 3 A reproduced image of data recorded at an energy of 1000 pulses in Example 2 and Comparative Example 2, ( ⁇ ) is a reproduced image of Comparative Example 2, and ( ⁇ ) is a reproduced image of Example 2. It is an image.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Holo Graphy (AREA)
Description
Claims
Priority Applications (3)
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EP05710023A EP1729184A1 (en) | 2004-02-13 | 2005-02-09 | Volume hologram recording material and volume hologram recording medium |
JP2005517958A JPWO2005078532A1 (ja) | 2004-02-13 | 2005-02-09 | 体積型ホログラム記録材料および体積ホログラム記録媒体 |
US10/588,714 US20070184353A1 (en) | 2004-02-13 | 2005-02-09 | Volume hologram recording material and volume hologram recording medium |
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JP2004-037504 | 2004-02-13 | ||
JP2004037504 | 2004-02-13 |
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WO2005078532A1 true WO2005078532A1 (ja) | 2005-08-25 |
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PCT/JP2005/001971 WO2005078532A1 (ja) | 2004-02-13 | 2005-02-09 | 体積型ホログラム記録材料および体積ホログラム記録媒体 |
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US (1) | US20070184353A1 (ja) |
EP (1) | EP1729184A1 (ja) |
JP (1) | JPWO2005078532A1 (ja) |
KR (1) | KR20060110365A (ja) |
WO (1) | WO2005078532A1 (ja) |
Cited By (8)
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JP2007119731A (ja) * | 2005-09-30 | 2007-05-17 | Fujifilm Corp | 光記録用組成物、光記録媒体及びその製造方法、並びに光記録方法及び光記録装置 |
WO2008029765A1 (fr) * | 2006-09-05 | 2008-03-13 | Mitsubishi Chemical Corporation | Support d'enregistrement optique d'hologramme volumique, composition pour fabriquer une couche d'enregistrement d'hologramme volumique, matériau d'enregistrement d'hologramme volumique et procédé d'enregistrement optique d'hologramme volumique |
WO2008050835A1 (en) | 2006-10-25 | 2008-05-02 | Mitsubishi Chemical Corporation | Volume hologram optical recording medium, composition for volume hologram recording layer formation, and volume hologram recording material |
JP2008139768A (ja) * | 2006-12-05 | 2008-06-19 | Mitsubishi Chemicals Corp | ホログラム光記録媒体 |
WO2008096712A1 (ja) | 2007-02-05 | 2008-08-14 | Nippon Steel Chemical Co., Ltd. | 体積位相型ホログラム記録材料及び光情報記録媒体 |
WO2008123302A1 (ja) * | 2007-03-30 | 2008-10-16 | Daikin Industries, Ltd. | 含フッ素体積型ホログラム記録用感光性組成物ならびにそれを用いた含フッ素体積型ホログラム記録用感光性媒体および含フッ素体積型ホログラム |
WO2008123303A1 (ja) * | 2007-03-30 | 2008-10-16 | Daikin Industries, Ltd. | 含フッ素体積型ホログラム光情報記録材料用組成物およびそれを用いた含フッ素体積型ホログラム光情報記録媒体 |
WO2009014133A1 (ja) | 2007-07-24 | 2009-01-29 | Kyoeisha Chemical Co., Ltd. | ホログラフィック記録媒体用組成物 |
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TW200702954A (en) * | 2005-07-11 | 2007-01-16 | Toagosei Co Ltd | Volume hologram recording material, the method of processing thereof and the recording medium |
JP2008304807A (ja) * | 2007-06-11 | 2008-12-18 | Fujifilm Corp | 光記録用組成物、ホログラフィック記録媒体および情報記録再生方法 |
JP2009295233A (ja) * | 2008-06-05 | 2009-12-17 | Tdk Corp | 光記録媒体及び光記録媒体の製造方法 |
JP2010026450A (ja) * | 2008-07-24 | 2010-02-04 | Toshiba Corp | ホログラム記録媒体および光情報記録再生装置 |
JP2010230911A (ja) * | 2009-03-26 | 2010-10-14 | Tdk Corp | 光学デバイス |
KR102239212B1 (ko) | 2018-12-14 | 2021-04-12 | 주식회사 엘지화학 | 포토폴리머 조성물 |
US11619880B2 (en) * | 2019-05-17 | 2023-04-04 | The Regents Of The University Of Colorado | Holographic photopolymer compositions and composites |
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- 2005-02-09 KR KR1020067016316A patent/KR20060110365A/ko not_active Application Discontinuation
- 2005-02-09 US US10/588,714 patent/US20070184353A1/en not_active Abandoned
- 2005-02-09 EP EP05710023A patent/EP1729184A1/en not_active Withdrawn
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JP2007119731A (ja) * | 2005-09-30 | 2007-05-17 | Fujifilm Corp | 光記録用組成物、光記録媒体及びその製造方法、並びに光記録方法及び光記録装置 |
WO2008029765A1 (fr) * | 2006-09-05 | 2008-03-13 | Mitsubishi Chemical Corporation | Support d'enregistrement optique d'hologramme volumique, composition pour fabriquer une couche d'enregistrement d'hologramme volumique, matériau d'enregistrement d'hologramme volumique et procédé d'enregistrement optique d'hologramme volumique |
WO2008050835A1 (en) | 2006-10-25 | 2008-05-02 | Mitsubishi Chemical Corporation | Volume hologram optical recording medium, composition for volume hologram recording layer formation, and volume hologram recording material |
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WO2008096712A1 (ja) | 2007-02-05 | 2008-08-14 | Nippon Steel Chemical Co., Ltd. | 体積位相型ホログラム記録材料及び光情報記録媒体 |
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US8383295B2 (en) | 2007-07-24 | 2013-02-26 | Kyoeisha Chemical Co., Ltd. | Composition for holographic recording medium |
Also Published As
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US20070184353A1 (en) | 2007-08-09 |
JPWO2005078532A1 (ja) | 2007-10-18 |
EP1729184A1 (en) | 2006-12-06 |
KR20060110365A (ko) | 2006-10-24 |
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