WO2016190300A1 - 光硬化性組成物、それを用いた硬化物及び光学部品 - Google Patents
光硬化性組成物、それを用いた硬化物及び光学部品 Download PDFInfo
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- WO2016190300A1 WO2016190300A1 PCT/JP2016/065294 JP2016065294W WO2016190300A1 WO 2016190300 A1 WO2016190300 A1 WO 2016190300A1 JP 2016065294 W JP2016065294 W JP 2016065294W WO 2016190300 A1 WO2016190300 A1 WO 2016190300A1
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- 239000003063 flame retardant Substances 0.000 description 1
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 1
- 235000019000 fluorine Nutrition 0.000 description 1
- 125000001207 fluorophenyl group Chemical group 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- ARGGOKUVIPUXPJ-UHFFFAOYSA-N hexahydro-2h-3,5-methanocyclopenta[b]furan-2-one Chemical group C1C2C3OC(=O)C2CC1C3 ARGGOKUVIPUXPJ-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical class I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000001867 hydroperoxy group Chemical group [*]OO[H] 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 235000019239 indanthrene blue RS Nutrition 0.000 description 1
- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-BUHFOSPRSA-N indigo dye Chemical compound N\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-BUHFOSPRSA-N 0.000 description 1
- 125000003387 indolinyl group Chemical group N1(CCC2=CC=CC=C12)* 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- MGFYSGNNHQQTJW-UHFFFAOYSA-N iodonium Chemical compound [IH2+] MGFYSGNNHQQTJW-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- HEBMCVBCEDMUOF-UHFFFAOYSA-N isochromane Chemical group C1=CC=C2COCCC2=C1 HEBMCVBCEDMUOF-UHFFFAOYSA-N 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical compound C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical group C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N methanesulfonic acid Substances CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 239000010434 nepheline Substances 0.000 description 1
- 229910052664 nepheline Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000001005 nitro dye Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- MBAUOPQYSQVYJV-UHFFFAOYSA-N octyl 3-[4-hydroxy-3,5-di(propan-2-yl)phenyl]propanoate Chemical compound OC1=C(C=C(C=C1C(C)C)CCC(=O)OCCCCCCCC)C(C)C MBAUOPQYSQVYJV-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 150000002921 oxetanes Chemical class 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 125000006678 phenoxycarbonyl group Chemical group 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000001007 phthalocyanine dye Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 125000006410 propenylene group Chemical group 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 239000001008 quinone-imine dye Substances 0.000 description 1
- 238000010992 reflux Methods 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
- 239000001022 rhodamine dye Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- GTKIEPUIFBBXJQ-UHFFFAOYSA-M sodium;2-[(4-hydroxy-9,10-dioxoanthracen-1-yl)amino]-5-methylbenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC(C)=CC=C1NC1=CC=C(O)C2=C1C(=O)C1=CC=CC=C1C2=O GTKIEPUIFBBXJQ-UHFFFAOYSA-M 0.000 description 1
- LJFWQNJLLOFIJK-UHFFFAOYSA-N solvent violet 13 Chemical compound C1=CC(C)=CC=C1NC1=CC=C(O)C2=C1C(=O)C1=CC=CC=C1C2=O LJFWQNJLLOFIJK-UHFFFAOYSA-N 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- NHEJMCHRGUAKFT-UHFFFAOYSA-N tetrafluorophosphonium Chemical compound F[P+](F)(F)F NHEJMCHRGUAKFT-UHFFFAOYSA-N 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 1
- VNXUJPCYZSNXDG-UHFFFAOYSA-N thiopyran-4-one Chemical group O=C1C=CSC=C1 VNXUJPCYZSNXDG-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
- 239000001003 triarylmethane dye Substances 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- UIYCHXAGWOYNNA-UHFFFAOYSA-N vinyl sulfide Chemical group C=CSC=C UIYCHXAGWOYNNA-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000001018 xanthene dye Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/14—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic peracids, or salts, anhydrides or esters thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2883/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as mould material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
Definitions
- the present invention relates to a photocurable composition, a cured product using the same, and an optical component.
- a photocurable composition used in a process of continuously molding (transferring) by irradiating ultraviolet rays using a mold (UV imprint molding), and curing obtained using the same It relates to objects and optical components.
- This application claims the priority of Japanese Patent Application No. 2015-107580 filed in Japan on May 27, 2015 and Japanese Patent Application No. 2015-139675 filed in Japan on July 13, 2015, and the contents Is hereby incorporated by reference.
- optical components such as flash lenses are manufactured by various molding methods such as injection molding and injection molding.
- the optical component is formed by injection molding a thermoplastic resin such as polycarbonate as in Patent Document 1, or an acrylic resin that is a low molecular weight monomer as a curable material as in Patent Documents 2 and 3.
- a thermoplastic resin such as polycarbonate as in Patent Document 1
- an acrylic resin that is a low molecular weight monomer as a curable material as in Patent Documents 2 and 3.
- LIM molding liquid injection molding
- Patent Document 4 liquid injection molding of a silicone resin
- Patent Document 5 It is cured by light irradiation to obtain an optical component.
- JP 2005-119124 A Japanese Patent No. 4124991 Japanese Patent Laid-Open No. 11-092539 Japanese Patent No. 4800383 Japanese Patent No. 3671658
- thermoplastic resin When a thermoplastic resin is used as in Patent Document 1, since the thermoplastic resin does not have reflow resistance and cannot be reflow mounted, a separate assembly process is required only for the lens.
- an acrylic resin that is a curable material is used as in Patent Documents 2 and 3, it is difficult to obtain a highly accurate molded product.
- the silicone resin In LIM molding using a silicone resin as in Patent Document 4, the silicone resin has reflow resistance, but it is difficult to obtain a highly accurate molded product.
- an unnecessary resin such as a sprue or a runner of a molded product is required, and it is difficult to improve the usage rate of the resin.
- molding using an ultraviolet curable resin such as an epoxy resin of Patent Document 5 has been proposed, there are problems with the accuracy of the shape of the molded product, durability of the mold, and releasability of the molded product from the mold. is there.
- UV imprint molding which uses a mold and is cured by ultraviolet irradiation, can not only accurately transfer the shape of an optical component, but also can be used repeatedly to improve productivity. It can be greatly improved.
- a silicon mold is widely used because of excellent shape transferability, releasability, and transparency.
- the mold gradually swells due to the resin, and it becomes a problem that a highly accurate cured product cannot be obtained.
- a photocurable composition containing a specific alicyclic epoxy compound, oxetane compound, glycidyl ether epoxy compound, and photopolymerization initiator is a silicon mold. It has been found that, in curing by ultraviolet irradiation using a curable resin, it is excellent in curability and shape transferability, can suppress the swelling of the mold by the resin, and can improve the durability of the mold.
- the present invention has been completed based on these findings.
- the present invention includes the following component (A), component (B), component (C), and component (D), and the content of the component (A) is included in the photocurable composition.
- the photocurable composition is provided in an amount of 10 to 50% by weight based on the total amount of the curable compound.
- Component (A) an alicyclic epoxy compound represented by the following formula (a) [Wherein, R 1 to R 18 are the same or different and each represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group that may contain a halogen atom, or an alkoxy group that may have a substituent. .
- X represents a single bond or a linking group]
- the present invention provides the photocurable composition, wherein the content of the component (B) is 10 to 60% by weight with respect to the total amount of the photocurable compound contained in the photocurable composition. .
- the present invention also provides the above-mentioned photocurable composition, wherein the content of the component (C) is 10 to 60% by weight with respect to the total amount of the photocurable compound contained in the photocurable composition. .
- the present invention provides the above-mentioned light, wherein the content of the component (D) is 0.05 to 10 parts by weight with respect to the total amount (100 parts by weight) of the photocurable compound contained in the photocurable composition.
- a curable composition is provided.
- the present invention also provides the photocurable composition, wherein the SP value of Fedors of the component (A) is 9.2 (cal / cm 3 ) 1/2 or more.
- the present invention provides the photocurable composition, wherein the SP value of Fedors of the component (C) is 9.5 (cal / cm 3 ) 1/2 or more.
- the present invention also provides the above-mentioned photocurable composition further containing an antioxidant and / or an ultraviolet absorber.
- the present invention also provides the photocurable composition further comprising a surface modifier.
- the present invention also provides the above-mentioned photocurable composition for optical parts.
- this invention provides the hardened
- the present invention also provides the cured product formed using a silicon mold.
- the present invention provides the cured product, wherein the silicon mold is made from polydimethylsiloxane.
- the present invention also provides the cured product, wherein the photocurable composition is cured by light irradiation using a UV-LED (wavelength: 350 to 400 nm).
- the present invention provides an optical component comprising the above cured product.
- the present invention also provides the above-described optical component that is used for diffusing light.
- the present invention provides an optical device provided with the optical component described above.
- the present invention relates to the following.
- the following components (A), component (B), component (C), and component (D), and the content of the component (A) is the total amount of the photocurable compound contained in the photocurable composition 10 to 50% by weight of the photocurable composition.
- the content of the component (B) is based on the total amount of the photocurable compound contained in the photocurable composition.
- the component (C) is any one of [1] to [11], wherein the component (C) is an aromatic glycidyl ether epoxy compound, an alicyclic glycidyl ether epoxy compound, or an aliphatic glycidyl ether epoxy compound.
- a method for producing a cured product comprising a step of filling the photocurable composition according to any one of [1] to [14] into an optical component molding mold.
- the photocurable composition of the present invention has the above-described configuration, it is excellent in curability and shape transferability in curing by ultraviolet irradiation using a silicon mold, and can suppress swelling of the mold due to resin.
- the durability of the resin is improved, and the mold can be used repeatedly, so that it is economical.
- the optical component of the present invention can realize a highly accurate shape even with a complicated and special shape, and is excellent in transparency and heat resistance.
- the photocurable composition of the present invention contains one or more alicyclic epoxy compounds represented by the following formula (a) (referred to as “component (A)”).
- component (A) alicyclic epoxy compounds represented by the following formula (a) (referred to as “component (A)”).
- R 1 to R 18 are the same or different and each represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group that may contain a halogen atom, or an alkoxy group that may have a substituent.
- X represents a single bond or a linking group
- Examples of the halogen atom in R 1 to R 18 include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- Examples of the hydrocarbon group in R 1 to R 18 include an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an aromatic hydrocarbon group, and a group in which two or more of these are bonded.
- Examples of the alicyclic hydrocarbon group include C 3-12 cycloalkyl groups such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, and cyclododecyl groups; C 3-12 cycloalkenyl groups such as cyclohexenyl groups; and bicycloheptanyl. And a C 4-15 bridged cyclic hydrocarbon group such as a bicycloheptenyl group.
- aromatic hydrocarbon group examples include C 6-14 aryl groups (preferably C 6-10 aryl groups) such as phenyl and naphthyl groups.
- hydrocarbon group optionally containing an oxygen atom or a halogen atom in R 1 to R 18 at least one hydrogen atom in the above hydrocarbon group is substituted with a group having an oxygen atom or a group having a halogen atom.
- the group etc. can be mentioned.
- the group having an oxygen atom include hydroxyl group; hydroperoxy group; C 1-10 alkoxy group such as methoxy, ethoxy, propoxy, isopropyloxy, butoxy, isobutyloxy group; C 2-10 such as allyloxy group.
- alkoxy group in R 1 to R 18 examples include C 1-10 alkoxy groups such as methoxy, ethoxy, propoxy, isopropyloxy, butoxy, isobutyloxy groups and the like.
- R 1 to R 18 are preferably hydrogen atoms.
- X in the above formula (a) represents a single bond or a linking group (a divalent group having one or more atoms).
- the linking group include a divalent hydrocarbon group, an alkenylene group in which part or all of a carbon-carbon double bond is epoxidized, a carbonyl group, an ether bond, an ester bond, an amide group, and a plurality of these. The group etc. which were connected individually can be mentioned.
- divalent hydrocarbon group examples include linear or branched C 1-18 alkylene groups such as methylene, methylmethylene, dimethylmethylene, ethylene, propylene, and trimethylene groups (preferably linear or branched chain).
- C 1-3 alkylene group examples include 1,2-cyclopentylene, 1,3-cyclopentylene, cyclopentylidene, 1,2-cyclohexylene, 1,3-cyclohexylene, 1,4-cyclohexylene, Examples thereof include a C 3-12 cycloalkylene group such as a cyclohexylidene group, and a C 3-12 cycloalkylidene group (preferably a C 3-6 cycloalkylene group and a C 3-6 cycloalkylidene group).
- alkenylene group in the alkenylene group in which part or all of the carbon-carbon double bond is epoxidized include, for example, vinylene group, propenylene group, 1-butenylene group C 2-8 linear or branched alkenylene groups such as 2-butenylene group, butadienylene group, pentenylene group, hexenylene group, heptenylene group, octenylene group and the like.
- the epoxidized alkenylene group is preferably an alkenylene group in which all of the carbon-carbon double bonds are epoxidized, more preferably a C 2-4 alkenylene group in which all of the carbon-carbon double bonds are epoxidized. It is a group.
- Representative examples of the compound represented by the formula (a) include 3,4-epoxycyclohexylmethyl (3,4-epoxy) cyclohexanecarboxylate, (3,4,3 ′, 4′-diepoxy) bicyclohexyl.
- 3,4-epoxycyclohexylmethyl (3,4-epoxy) cyclohexanecarboxylate and (3,4,3 ', 4'-diepoxy) bicyclohexyl are particularly preferred.
- a trade name “Celoxide 2021P” manufactured by Daicel Corporation
- These can be used alone or in combination of two or more.
- the compound represented by the above formula (a) is obtained by reacting, for example, a compound represented by the following formula (a ′) with a peracid (for example, peracetic acid) in the double bond portion in the formula (a ′). Can be produced by epoxidizing the.
- a peracid for example, peracetic acid
- R 1 to R 18 and X are the same as above.
- the content of component (A) (the total amount when containing two or more) is based on the total amount (100% by weight) of the photocurable compound contained in the photocurable composition. 10 to 50% by weight, preferably 10 to 45% by weight, more preferably 10 to 40% by weight, and still more preferably 10 to 35% by weight. Since content of a component (A) is the said range, it is easy to obtain the hardened
- a photocurable compound includes the component (A), the component (B), the component (C), and other photocurable compounds that are optional components.
- the SP value (solubility parameter) at 25 ° C. of the component (A) by the Fedors method [see Polym. Eng. Sci., 14, 147 (1974)] is, for example, 9.2 or more, preferably 9. It is 5 to 15, more preferably 9.6 to 14, and further preferably 9.7 to 13.
- the unit of the SP value is (cal / cm 3 ) 1/2 and can be calculated by the method described in the examples, for example.
- the photocurable composition of the present invention comprises an oxetane compound (“component (B)”) having an SP value (solubility parameter) value of 9.5 (cal / cm 3 ) 1/2 or more at 25 ° C. according to the method of Fedors. 1 type) or 2 or more types.
- the component (B) is represented by the following formula (b), for example. [Wherein, R e represents a monovalent organic group, and R f represents a hydrogen atom or an ethyl group. t represents an integer of 0 or more]
- the monovalent organic group in R e includes a monovalent hydrocarbon group, a monovalent heterocyclic group, a substituted oxycarbonyl group (alkoxycarbonyl group, aryloxycarbonyl group, aralkyloxycarbonyl group, cycloalkyloxycarbonyl group). Etc.), substituted carbamoyl groups (N-alkylcarbamoyl groups, N-arylcarbamoyl groups, etc.), acyl groups (aliphatic acyl groups such as acetyl groups; aromatic acyl groups such as benzoyl groups), and two or more of these A monovalent group bonded through a single bond or a linking group is included.
- Examples of the monovalent hydrocarbon group include the same examples as R 1 to R 18 in the above formula (a).
- the monovalent hydrocarbon group includes various substituents [for example, halogen atom, oxo group, hydroxyl group, substituted oxy group (for example, alkoxy group, aryloxy group, aralkyloxy group, acyloxy group, etc.), carboxyl group Substituted oxycarbonyl groups (alkoxycarbonyl groups, aryloxycarbonyl groups, aralkyloxycarbonyl groups, etc.), substituted or unsubstituted carbamoyl groups, cyano groups, nitro groups, substituted or unsubstituted amino groups, sulfo groups, heterocyclic groups, etc. ] May be included.
- the hydroxyl group or carboxyl group may be protected with a protective group commonly used in the field of organic synthesis.
- the heterocyclic ring constituting the heterocyclic group includes an aromatic heterocyclic ring and a non-aromatic heterocyclic ring.
- a heterocyclic ring containing an oxygen atom as a hetero atom for example, a 4-membered ring such as an oxetane ring
- a 5-membered ring such as a furan ring, a tetrahydrofuran ring, an oxazole ring, an isoxazole ring or a ⁇ -butyrolactone ring
- a 6-membered ring such as a 4-oxo-4H-pyran ring, a tetrahydropyran ring or a morpholine ring
- the heterocyclic group includes an alkyl group (for example, a C 1-4 alkyl group such as a methyl group or an ethyl group), C 3-12 cycloalkyl, in addition to the substituent that the hydrocarbon group may have.
- Group and a substituent such as C 6-14 aryl group (for example, phenyl group, naphthyl group, etc.).
- linking group examples include a carbonyl group (—CO—), an ether bond (—O—), a thioether bond (—S—), an ester bond (—COO—), an amide bond (—CONH—), and a carbonate bond. (—OCOO—), silyl bond (—Si—), a group in which a plurality of these are linked, and the like.
- T represents an integer of 0 or more, and is, for example, 0 to 12, preferably 1 to 6.
- Examples of the compound represented by the above formula (b) include compounds represented by the following formulas (b-1) to (b-4).
- the content of component (B) (the total amount when containing two or more) is based on the total amount (100% by weight) of the photocurable compound contained in the photocurable composition.
- it is 10 to 60% by weight, preferably 10 to 50% by weight, more preferably 15 to 45% by weight, and further preferably 15 to 35% by weight.
- a photocurable compound includes the component (A), the component (B), the component (C), and other photocurable compounds that are optional components.
- the SP value (solubility parameter) at 25 ° C. of the component (B) by the Fedors method [see Polym. Eng. Sci., 14, 147 (1974)] is 9.5 or more, preferably 9.6. -15, more preferably 9.7-14, and even more preferably 9.8-13. Since SP value of a component (B) is the said range, since the swelling of the mold by a photocurable composition can be suppressed, durability of a mold can be maintained and the frequency
- the unit of the SP value is (cal / cm 3 ) 1/2 and can be calculated by the method described in the examples, for example.
- the photocurable composition of the present invention contains one or more glycidyl ether epoxy compounds having a molecular weight of 250 or more (referred to as “component (C)”).
- component (C) glycidyl ether epoxy compounds having a molecular weight of 250 or more
- the glycidyl ether epoxy compound include aromatic glycidyl ether epoxy compounds, alicyclic glycidyl ether epoxy compounds, aliphatic glycidyl ether epoxy compounds, and the like.
- Examples of the aromatic glycidyl ether epoxy compound include bisphenol A type diglycidyl ether and bisphenol F type diglycidyl ether.
- Examples of the bisphenol A type diglycidyl ether include bisphenol A bis (propylene glycol glycidyl ether) ether and bisphenol A bis (triethylene glycol glycidyl ether) ether.
- trade names such as “Rikaresin BPO-20E”, “Rikaresin BPO-60E” (manufactured by Shin Nippon Rika Co., Ltd.) and the like can be used.
- Examples of the aliphatic glycidyl ether-based epoxy compound include ethylene glycol diglycidyl ether, diethylene glycol diglycidyl ether, triethylene glycol diglycidyl ether, and the like.
- Commercially available products of aliphatic glycidyl ether type epoxy compounds include “Epolite 40E”, “Epolite 100E”, “Epolite 200E”, “Epolite 400E” (manufactured by Kyoeisha Chemical Co., Ltd.), and “YH-300”. (Manufactured by Nippon Steel & Sumikin Chemical Co., Ltd.) can be used.
- the molecular weight of component (C) is 250 or more (for example, 250 or more and less than 2000), preferably 300 to 1500, more preferably 350 to 1300, still more preferably 400 to 1000, and particularly preferably 400 to 1000. 600. Since the molecular weight of the component (C) is within the above range, the shape transferability of the photocurable composition is excellent. If the molecular weight is too large, the viscosity is improved and handling becomes difficult, and if the molecular weight is too small, the shape transferability tends to be poor.
- the weight average molecular weight (M w ; standard polystyrene conversion by GPC) of the component (C) is, for example, 250 or more and less than 2000, preferably 300 to 1800, more preferably 350 to 1500, and still more preferably 400 to 1300, particularly preferably 400 to 1000.
- the content of component (C) (the total amount when containing two or more) is based on the total amount of photocurable compound (100% by weight) contained in the photocurable composition. For example, it is 10 to 60% by weight, preferably 10 to 50% by weight, more preferably 15 to 45% by weight, and further preferably 20 to 35% by weight.
- a photocurable compound includes the component (A), the component (B), the component (C), and other photocurable compounds that are optional components.
- the SP value (solubility parameter) at 25 ° C. of the component (C) by the Fedors method [see Polym. Eng. Sci., 14, 147 (1974)] is, for example, 9.5 or more, preferably 9. It is 6 to 15, more preferably 9.7 to 14, and still more preferably 9.8 to 13.
- the unit of the SP value is (cal / cm 3 ) 1/2 and can be calculated by the method described in the examples, for example.
- photocurable compounds in the photocurable composition of the present invention, other photocurable compounds other than the components (A) to (C) may be used as necessary within a range not impairing the effects of the present invention.
- examples of other photocurable compounds include epoxy compounds other than components (A) and (C), oxetane compounds other than component (B), vinyl ether compounds, acrylic compounds, and silicone compounds.
- the content of the other photocurable compound is, for example, 30% by weight or less, preferably 20% by weight or less, more preferably 10% by weight or less, based on the total amount of the photocurable compound (100% by weight). If the content of other photocurable compounds exceeds the above range, the effects of the present invention tend to be difficult to obtain.
- the photocurable composition of the present invention contains one or more photopolymerization initiators (referred to as “component (D)”).
- component (D) those capable of causing cationic polymerization or anionic polymerization such as a known or conventional photocationic polymerization initiator, photoanion polymerization initiator, or photoacid generator can be used.
- a borate anion [(Y) k B (Phf) 4-k ] ⁇ (wherein Y may have a substituent (excluding a group containing a halogen atom))
- Y may have a substituent (excluding a group containing a halogen atom)
- Phf represents at least one hydrogen atom from a perfluoroalkyl group, a perfluoroalkoxy group, and a halogen atom
- a phenyl group substituted with at least one selected, k is an integer of 0 to 3).
- component (D) examples include sulfonium salts such as triarylsulfonium hexafluorophosphate and triarylsulfonium hexafluoroantimonate; diaryliodonium hexafluorophosphate, diphenyliodonium hexafluoroantimonate, bis (dodecylphenyl) iodonium tetrakis (penta Examples thereof include iodonium salts such as fluorophenyl) borate and iodonium [4- (4-methylphenyl-2-methylpropyl) phenyl] hexafluorophosphate; phosphonium salts such as tetrafluorophosphonium hexafluorophosphate; pyridinium salts and the like.
- sulfonium salts such as triarylsulfonium hexafluorophosphate and triarylsulfonium hexa
- Examples of commercially available components (D) that are photopolymerization initiators include the use of trade names “CPI-100P”, “CPI-101A”, “CPI-200K” (manufactured by San Apro Co., Ltd.), etc. it can.
- the content of the component (D) (when two or more types are contained, the total amount) is based on the total amount (100 parts by weight) of the photocurable compound contained in the photocurable composition.
- the photocurable composition is excellent in curability.
- the photocurable compound includes all of the component (A), the component (B), the component (C), and other photocurable compounds that are optional components.
- the photocurable composition of the present invention may contain other components as long as the effects of the present invention are not impaired.
- Other components include, for example, antioxidants, ultraviolet absorbers, surface modifiers, fillers, photosensitizers, antifoaming agents, leveling agents, coupling agents, surfactants, flame retardants, decolorizing agents, Examples thereof include an adhesion-imparting agent and a colorant. These can be used alone or in combination of two or more.
- the photocurable composition of the present invention preferably contains an antioxidant and an ultraviolet absorber in terms of obtaining an effect of improving heat-resistant yellowing of the cured product.
- the antioxidant include a phenolic antioxidant, a phosphorus antioxidant, a thioester antioxidant, an amine antioxidant, and the like. These can be used alone or in combination of two or more.
- phenolic antioxidants are particularly preferable because they are particularly effective in improving heat yellowing.
- phenolic antioxidants examples include pentaerythritol tetrakis [3 (3,5-di-t-butyl-4-hydroxyphenyl) propionate], thiodiethylene bis [3- (3,5-di-t-butyl).
- phenolic antioxidants include, for example, trade names “Irganox 1010”, “Irganox 1035”, “Irganox 1076”, “Irganox 1098”, “Irganox 1135”, “Irganox 1330”, “Irganox 17” “Irganox 1425WL” (manufactured by BASF) or the like can be used.
- the amount of the antioxidant used is, for example, 0.05 to 5 parts by weight, preferably 0.1 to 3 parts by weight, based on the total amount (100 parts by weight) of the photocurable compound contained in the photocurable composition. is there. Yellowing of hardened
- cured material can be prevented as the usage-amount of antioxidant is the said range.
- UV absorbers examples include benzophenone UV absorbers, benzotriazole UV absorbers, and benzoate UV absorbers. Of these, benzophenone ultraviolet absorbers and benzotriazole ultraviolet absorbers are preferred.
- benzotriazole type ultraviolet absorber for example, trade names “KEMISORB71”, “KEMISORB73”, “KEMISORB74”, “KEMISORB79” (manufactured by Chemipro Kasei Co., Ltd.) and the like can be used.
- the amount of the ultraviolet absorber used is, for example, 0.01 to 3 parts by weight, preferably 0.02 to 1 part by weight with respect to the total amount (100 parts by weight) of the photocurable compound contained in the photocurable composition. Part.
- the usage-amount of a ultraviolet absorber is the said range, deterioration by an ultraviolet-ray can be prevented and coloring of hardened
- the photocurable composition of the present invention preferably contains a surface modifier, can improve wettability to the silicon mold, and is preferable in terms of reducing foaminess during coating.
- the surface modifier include compounds used in surfactants, leveling agents and the like.
- the surfactant and the leveling agent include silicones, acrylics, and fluorines.
- the silicone-based surfactant include polyether-modified polydimethylsiloxane.
- trade names “BYK-333”, “BYK-345” manufactured by Big Chemie Japan Co., Ltd.
- the amount of the surface modifier used is, for example, 0.01 to 3 parts by weight, preferably 0.03 to 1 with respect to the total amount (100 parts by weight) of the photocurable compound contained in the photocurable composition. Parts by weight.
- the amount of the surface modifier used is within the above range, foaming at the time of application can be suppressed without impairing the physical properties of the cured product.
- the photocurable composition of the present invention may contain a filler having various functions (for example, insulating properties, strength, viscosity, flame retardancy, conductivity, glitter, antibacterial properties, etc.).
- the filler includes an inorganic filler and an organic filler.
- the inorganic filler for example, calcium carbonate, magnesium carbonate, clay, kaolin, calcium phosphate, hydroxyapatite, mica, talc, silica, quartz powder, glass powder, diatomaceous earth, nepheline sinite, cristobalite, wollastonite, aluminum hydroxide, Examples thereof include iron oxide, zinc oxide, titanium oxide, alumina, calcium sulfate, barium sulfate, dolomite, silicon carbide, silicon nitride, boron nitride, metal powder, graphite, carbon black, hydroxyapatite silver, and zeolite silver.
- crosslinking polymethyl methacrylate, etc. can be mentioned, for example. These can be used alone or in combination of two or more.
- the filler surface may be treated with a surface treatment agent such as a silane coupling agent.
- the shape of the filler is not particularly limited, and may be any of a spherical shape, an elliptical shape, a cylindrical shape, a prismatic shape, and the like.
- the particle size of the filler can be appropriately selected according to the application within a range where the dispersibility is not impaired, and the diameter or major axis is, for example, about 0.001 to 50 ⁇ m.
- the amount of filler particles used is, for example, 1 to 30 parts by weight, preferably 5 to 20 parts by weight with respect to the total amount (100 parts by weight) of the photocurable compound contained in the photocurable composition.
- the photocurable composition of the present invention may contain a colorant.
- Colorants include pigments and dyes. These can be used alone or in combination of two or more.
- pigment examples include inorganic pigments [carbon black, chromium oxide, iron oxide, titanium black, acetylene black, lamp black, bone black, graphite, iron black, copper chromium black, copper iron manganese black, cobalt iron chromium black.
- organic pigments [perylene black, cyanine black, aniline black, azo type] Pigments, anthraquinone pigments, isoindolinone pigments, indanthrene pigments, indigo pigments, quinacridone pigments, dioxazine pigments, tetraazaporphyrin pigments, triarylmethane pigments, phthalocyanine pigments, perylene pigments, Benz Midazoron pigments, rhodamine pigments, the surface of the inorganic pigment and a pigment coated with an organic material such as resin.
- organic pigments [perylene black, cyanine black, aniline black, azo type] Pigments, anthraquinone pigments, isoindolinone pigments, indanthrene pigments, indigo pigments, quinacridone pigments, dioxazine pigments, tetraazaporphyrin pigments, triarylmethane pigments, phthalocyanine pigments
- the dye examples include azo dyes, anthraquinone dyes (for example, acid violet 39, acid violet 41, acid violet 42, acid violet 43, acid violet 48, acid violet 51, acid violet 34, acid violet 47, acid violet 109, acid violet 126, basic violet 24, basic violet 25, disperse violet 1, disperse violet 4, disperse violet 26, disperse violet 28, disperse violet 28, disperse violet 57, solvent violet 11, solvent violet 13, solvent violet 14, solvent violet 26, solvent violet 28, solvent violet 31, solvent violet 36, solvent violet 37, solvent violet 38, solvent violet 48, solvent violet 59, solvent violet 60, vat violet 13, vat violet 15, vat violet 16), indigo dye , Carbonyl dyes, xanthene dyes, quinoneimine dyes, quinoline dyes, tetraazaporphyrin dyes, triarylmethane dyes And dyes, naphthoquinone dyes, nitro dyes, phthalocyanine dyes, fluoran dyes, perylene dyes, meth
- the content of the colorant (when two or more are contained, the total amount thereof) can be appropriately adjusted according to the use, and is, for example, about 10 to 300 ppm of the total amount of the photocurable composition of the present invention. Preferably it is 50 ppm, and particularly preferably 100 ppm.
- the viscosity (25 ° C.) of the photocurable composition of the present invention is, for example, 100 to 10000 mPa ⁇ s, preferably 100 to 5000 mPa ⁇ s. When the viscosity is in the above range, the shape transferability of the photocurable composition is excellent. The viscosity can be measured using various viscometers.
- the cured product of the present invention can be produced, for example, by a method including the following steps.
- Step 1 Step of filling the photocurable composition of the present invention into a mold for molding an optical component
- Step 2 Step of curing the curable composition by light irradiation
- Examples of the method for filling the photocurable composition in Step 1 into the mold for molding an optical component include a casting molding method and an injection molding method.
- the photocurable composition can be filled by bringing it into contact with the mold for molding an optical component.
- the injection molding method is employed, the photocurable composition is used for molding an optical component. It can be filled by injecting into a mold.
- the material for the optical component molding mold include metal, glass, plastic, and silicon.
- a silicon mold is preferable because it is excellent in shape transferability, releasability, and transparency.
- a silicon mold using polydimethylsiloxane as a raw material is preferable.
- a Fresnel lens molding mold is used as the optical component molding mold in step 1
- a Fresnel lens is obtained as a cured product.
- the light irradiation in the process 2 uses, for example, a mercury lamp, a xenon lamp, a carbon arc lamp, a metal halide lamp, sunlight, an electron beam source, a laser light source, an LED light source, etc., and the integrated irradiation amount is, for example, 500 to 5000 mJ / cm 2. It can carry out by irradiating in the range which becomes. Of these, UV-LED (wavelength: 350 to 400 nm) is preferable as the light source.
- the light irradiation amount may be any amount that can cure the photocurable composition, and is, for example, about 500 to 3000 mJ / cm 2 .
- an annealing treatment may be further performed after the light irradiation.
- the annealing treatment is performed, for example, by heating at a temperature of 100 to 200 ° C. for about 30 minutes to 1 hour.
- the annealing treatment may be performed after removing the optical component molding mold, or may be performed without removing the mold.
- the cured product of the present invention has excellent heat resistance even under a high temperature environment of about 100 to 200 ° C., and has excellent shape retention. Therefore, even if annealing is performed after removal from the mold for molding the optical component, there is no deviation in the pitch, and if the optical component is a lens, an optical component having excellent lens center position accuracy is efficiently manufactured. can do.
- a connecting lens in which two or more lenses are connected is obtained by applying step 2.
- a lens can be obtained as a cured product by cutting the obtained concatenated lens and removing an extra portion as necessary.
- the lens molds may be regularly arranged (aligned) or may be randomly arranged.
- the 5% weight loss temperature (T d5 ) measured at a heating rate of 10 ° C./min (in air) of the cured product of the present invention is, for example, 350 ° C. or higher (350 to 500 ° C.), preferably 380 ° C. or higher. And more preferably 400 ° C. or higher.
- the 5% weight loss temperature can be measured by, for example, TG / DTA (simultaneous measurement of differential heat and thermogravimetry).
- the activation energy of the thermal decomposition reaction in the air of the cured product of the present invention is, for example, 150 kJ / mol or more (150 to 350 kJ / mol), preferably 180 kJ / mol or more, more preferably 200 kJ / mol or more. is there. When the activation energy is within the above range, the heat resistance of the cured product can be maintained.
- the activation energy can be calculated by, for example, the Ozawa method.
- the Ozawa method is a method in which TG measurement (thermogravimetry) is performed at three or more types of temperature increase rates, and the activation energy of the thermal decomposition reaction is calculated from the obtained thermogravimetric reduction data.
- the transmittance of the cured product of the present invention is, for example, 80% or more, preferably 85% or more, and more preferably 90% or more. When the transmittance is in the above range, the transparency of the cured product can be maintained.
- permeability is the transmittance
- the linear expansion coefficient ( ⁇ 1) of the cured product of the present invention below the glass transition temperature is, for example, 40 to 100 ppm / ° C., preferably 40 to 90 ppm / ° C.
- the linear expansion coefficient ( ⁇ 2) at the glass transition temperature or higher of the cured product of the present invention is, for example, 90 to 150 ppm / ° C., preferably 90 to 130 ppm / ° C.
- the linear expansion coefficients ⁇ 1 and ⁇ 2 of the cured product can be measured by TMA or the like.
- the storage elastic modulus at 25 ° C. of the cured product of the present invention is, for example, 0.1 GPa or more, preferably 1 GPa or more.
- cured material can be measured by a dynamic viscoelasticity measurement etc.
- the refractive index of the cured product of the present invention is, for example, 1.40 to 1.60, preferably 1.48 to 1.58.
- cured material of this invention is 40 or more, for example, Preferably it is 50 or more.
- the optical component of the present invention comprises a cured product obtained by curing the photocurable composition of the present invention.
- the optical component of the present invention is preferably a lens used for the purpose of diffusing or condensing light, and a Fresnel lens is particularly preferable as the lens.
- the optical component of the present invention has sufficient heat resistance to be mounted on a substrate by high-temperature heat treatment (for example, high-temperature treatment at 260 ° C. or higher such as reflow soldering).
- the optical device including the optical component of the present invention does not need to mount an optical component such as a Fresnel lens in a separate process, and the optical component such as a Fresnel lens is replaced with another component by high-temperature heat treatment (for example, reflow soldering). Can be packaged together and can be manufactured efficiently and at low cost.
- high-temperature heat treatment for example, reflow soldering
- the Fresnel lens refers to JP-A-2014-38349, JP-A-2012-128106, JP-A-2013-137442, JP-A-04-127101, JP-A-2002-264140, JP-A-2610029.
- the surface is composed of a lens surface and a non-lens surface facing the lens surface, and the cross-section is chevron-shaped. This is a lens in which a plurality of prisms are formed.
- the angle ⁇ formed by the lens surface and the reference surface continuously decreases (or increases) as it goes toward the center, and when only the lens surface is continuous, one convex lens (or concave lens) is formed.
- the optical device of the present invention is a device including the optical component of the present invention.
- the optical device include portable electronic devices such as mobile phones, smartphones, tablet PCs, near infrared sensors, millimeter wave radars, LEDs.
- portable electronic devices such as mobile phones, smartphones, tablet PCs, near infrared sensors, millimeter wave radars, LEDs.
- optical devices used in in-vehicle electronic devices such as spot illumination devices, near infrared LED illumination devices, mirror monitors, meter panels, head-mounted display (projection type) combiners, and head-up display combiners.
- the ratios of the alicyclic epoxy compound, the oxetane compound, and the glycidyl ether epoxy compound are the respective ratios (% by weight) with respect to the total amount of these photocurable compounds, and are a photopolymerization initiator and an antioxidant.
- the ratio of the agent, the ultraviolet absorber, and the additive is the ratio (part by weight) to 100 parts by weight of the photocurable compound (total amount), and the unit of SP value is (cal / cm 3 ) 1/2 . .
- the obtained bicyclohexyl-3,3′-diene (243 g) and ethyl acetate (730 g) were charged into a reactor, and nitrogen was blown into the gas phase portion, and the temperature in the reaction system was controlled to 37.5 ° C. Then, 274 g of 30 wt% peracetic acid in ethyl acetate (water content: 0.41 wt%) was added dropwise over about 3 hours. After completion of the dropwise addition of the peracetic acid ethyl acetate solution, the reaction was terminated by aging at 40 ° C. for 1 hour.
- the crude liquid at the end of the reaction was washed with water at 30 ° C., and the low boiling point compound was removed at 70 ° C./20 mmHg to obtain 270 g of a reaction product.
- the oxirane oxygen concentration of the reaction product was 15.0% by weight.
- the product was confirmed to be (3,4,3 ′, 4′-diepoxy) bicyclohexyl.
- reaction solution When the reaction solution was analyzed by gas chromatography, 2,2-bis (3,4-cyclohexenyl) propane was produced in a yield of 96%.
- the obtained reaction solution was washed with 500 mL of ion exchange water using a separatory funnel, and then the organic layer was distilled under reduced pressure to obtain 387.0 g of colorless and transparent liquid 2,2-bis (3,4-cyclohexenyl) propane. Got. Its purity was 96.1%.
- reaction-terminated liquid was washed with water at 30 ° C., and deboiling was performed at 70 ° C./20 mmHg to obtain 99.4 g of 2,2-bis (3,4-epoxycyclohexane-1-yl) propane.
- the properties of the obtained product were an oxirane oxygen concentration of 11.3%, a viscosity of 3550 cP (25 ° C.), a peak derived from an internal double bond in the vicinity of ⁇ 4.5 to 5 ppm disappeared from 1 H-NMR, and ⁇ 2 It was confirmed that a proton peak derived from an epoxy group was generated in the vicinity of .9 to 3.1 ppm.
- Examples 1 to 8 and Comparative Examples 1 to 5 A photocurable composition was prepared by mixing an alicyclic epoxy compound, an oxetane compound, a glycidyl ether epoxy compound, an antioxidant, an ultraviolet absorber, and an additive at the ratio shown in Table 1 below.
- Table 1 the degree of swelling in polydimethylsiloxane, viscosity, 5% weight reduction of the cured product, transmittance (400 nm), 50th transfer
- the mold releasability and the mold surface roughness after 50 times of transfer were evaluated. The evaluation results are shown in Table 1.
- the SP value (solubility parameter: ⁇ ) of each compound in Table 1 is a value at 25 ° C. according to the method of Fedors. Polym. Eng. Sci., 14, 147 (1974). Specifically, it was calculated by the following formula. Note that the evaporation energy and molar volume of atoms or atomic groups are known values from the above-mentioned documents and the like. e i : Evaporation energy of atom or atomic group v i : Molar volume of atom or atomic group
- a Teflon (registered trademark) spacer having a length of 20 mm, a width of 20 mm, and a thickness of 0.5 mm was prepared and immersed in a mold release treatment [trade name “OPTOOL HD1000” (manufactured by Daikin Industries, Ltd.), and then in a draft for 24 hours.
- the slide glass (trade name “S2111”, manufactured by Matsunami Glass Co., Ltd.) was used.
- a curable composition was cast in the gap, and an ultraviolet light LED (wavelength: 365 nm) was used, and light irradiation was performed under the condition of an integrated irradiation amount of 3000 mJ / cm 2 to obtain a cured product.
- a product name “KE-1606” manufactured by Shin-Etsu Silicone was cured at 60 ° C. for 24 hours, and then a flat silicon mold ( ⁇ 50 mm ⁇ 0.5 mm) treated at 150 ° C. for 1 hour was produced. Using this as the upper and lower molds, a spacer of t0.5 mm was inserted and 50 times of continuous transfer was carried out, and the phenomenon at the time of release was evaluated when the 50th transfer.
- ⁇ The mold could be released from the mold within 10 seconds.
- ⁇ It took 10 seconds or more to release the molded product, but the molded product could be released without cracking.
- X The molded product was cracked at the time of mold release.
- the photocurable composition of the present invention can suppress swelling to polydimethylsiloxane while having excellent curability and viscosity characteristics, and releasability even in repeated use of silicon molds. Excellent. Therefore, the photocurable composition of the present invention can maintain the durability of the silicon mold and is excellent in economic efficiency because the mold can be used repeatedly.
- the photocurable composition of the present invention is used in the process of continuously molding (transferring) an ultraviolet ray by using a mold in the production of an optical component (UV imprint molding).
- the cured product and optical component of the present invention are used as a flash lens, a Fresnel lens, and the like.
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Abstract
Description
成分(A):下記式(a)で表される脂環式エポキシ化合物
成分(B):FedorsのSP値が9.5(cal/cm3)1/2以上であるオキセタン化合物
成分(C):分子量が250以上であるグリシジルエーテル系エポキシ化合物
成分(D):光重合開始剤
[1]下記成分(A)、成分(B)、成分(C)、及び成分(D)を含み、前記成分(A)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量に対して、10~50重量%である光硬化性組成物。
成分(A):式(a)で表される脂環式エポキシ化合物
成分(B):FedorsのSP値が9.5(cal/cm3)1/2以上であるオキセタン化合物
成分(C):分子量が250以上であるグリシジルエーテル系エポキシ化合物
成分(D):光重合開始剤
[2]前記成分(B)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量に対して、10~60重量%である[1]に記載の光硬化性組成物。
[3]前記成分(C)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量に対して、10~60重量%である[1]又は[2]に記載の光硬化性組成物。
[4]前記成分(D)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量(100重量部)に対して、0.05~10重量部である[1]~[3]の何れか1項に記載の光硬化性組成物。
[5]前記成分(A)のFedorsのSP値が、9.2(cal/cm3)1/2以上である[1]~[4]の何れか1項に記載の光硬化性組成物。
[6]前記成分(C)のFedorsのSP値が、9.5(cal/cm3)1/2以上である[1]~[5]の何れか1項に記載の光硬化性組成物。
[7]さらに酸化防止剤及び/又は紫外線吸収剤を含む[1]~[6]の何れか1項に記載の光硬化性組成物。
[8]さらに表面改質剤を含む[1]~[7]の何れか1項に記載の光硬化性組成物。
[9]光学部品用である[1]~[8]の何れか1項に記載の光硬化性組成物。
[10]成分(B)が、後述の式(b)で表される化合物である[1]~[9]の何れか1項に記載の光硬化性組成物。
[11]成分(B)が、後述の式(b-1)~(b-4)で表される化合物である[1]~[10]の何れか1項に記載の光硬化性組成物。
[12]成分(C)が、芳香族グリシジルエーテル系エポキシ化合物、脂環式グリシジルエーテル系エポキシ化合物、又は脂肪族グリシジルエーテル系エポキシ化合物である[1]~[11]の何れか1項に記載の光硬化性組成物。
[13]成分(C)の重量平均分子量が、250以上2000未満である[1]~[12]の何れか1項に記載の光硬化性組成物。
[14]成分(D)が、光カチオン重合開始剤である[1]~[13]の何れか1項に記載の光硬化性組成物。
[15][1]~[14]の何れか1項に記載の光硬化性組成物の硬化物。
[16]シリコンモールドを用いて成形される[15]に記載の硬化物。
[17]シリコンモールドが、ポリジメチルシロキサンを原料とする[16]に記載の硬化物。
[18]前記光硬化性組成物の硬化が、UV-LED(波長:350~400nm)を使用して光照射を行う硬化である[15]~[17]の何れか1項に記載の硬化物。
[19][1]~[14]の何れか1項に記載の光硬化性組成物を光学部品成形用モールドに充填する工程を含む硬化物の製造方法。
[20]さらに光照射して前記硬化性組成物を硬化させる工程を含む[19]に記載の硬化物の製造方法。
[21]前記光学部品成形用モールドが、シリコンモールドである[19]又は[20]に記載の硬化物の製造方法。
[22]前記シリコンモールドの原料が、ポリジメチルシロキサンである[21]に記載の硬化物の製造方法。
[23]前記光照射が、UV-LED(波長:350~400nm)を使用した光照射である[20]~[22]の何れか1項に記載の硬化物の製造方法。
[24][15]~[18]の何れか1項に記載の硬化物からなる光学部品。
[25]光を拡散又は集光する用途である[24]に記載の光学部品。
[26][24]又は[25]に記載の光学部品を備えた光学装置。
本発明の光硬化性組成物は、下記式(a)で表される脂環式エポキシ化合物(「成分(A)」と称する)を1種又は2種以上含む。
本発明の光硬化性組成物は、Fedorsの方法による25℃におけるSP値(溶解度パラメーター)の値が9.5(cal/cm3)1/2以上であるオキセタン化合物(「成分(B)」と称する)を1種又は2種以上含む。成分(B)は、例えば下記式(b)で表される。
本発明の光硬化性組成物は、分子量が250以上であるグリシジルエーテル系エポキシ化合物(「成分(C)」と称する)を1種又は2種以上含む。グリシジルエーテル系エポキシ化合物としては、例えば、芳香族グリシジルエーテル系エポキシ化合物、脂環式グリシジルエーテル系エポキシ化合物、脂肪族グリシジルエーテル系エポキシ化合物等を挙げることができる。
本発明の光硬化性組成物では、本発明の効果を損なわない範囲で必要に応じて成分(A)~(C)以外のその他の光硬化性化合物を用いてもよい。その他の光硬化性化合物としては、例えば、成分(A)及び成分(C)以外のエポキシ化合物、成分(B)以外のオキセタン化合物、ビニルエーテル化合物、アクリル化合物、シリコーン化合物等を挙げることができる。その他の光硬化性化合物の含有量は、光硬化性化合物全量(100重量%)に対して、例えば30重量%以下、好ましくは20重量%以下、より好ましくは10重量%以下である。その他の光硬化性化合物の含有量が上記範囲を上回ると、本発明の効果が得られにくくなる傾向がある。
本発明の光硬化性組成物は、光重合開始剤(「成分(D)」と称する)を1種又は2種以上含む。成分(D)としては、公知乃至慣用の光カチオン重合開始剤、光アニオン重合開始剤、光酸発生剤等のカチオン重合やアニオン重合を起こし得るものを使用することができる。
本発明の光硬化性組成物は、成分(A)~(D)以外にも、本発明の効果を損なわない範囲でその他の成分を含有していてもよい。その他の成分としては、例えば、酸化防止剤、紫外線吸収剤、表面改質剤、フィラー、光増感剤、消泡剤、レベリング剤、カップリング剤、界面活性剤、難燃剤、消色剤、密着性付与剤、着色剤等を挙げることができる。これらは1種を単独で、又は2種以上を組み合わせて使用することができる。
本発明の硬化物は、例えば下記工程を含む方法にて製造することができる。
工程1:本発明の光硬化性組成物を光学部品成形用モールドに充填する工程
工程2:光照射して硬化性組成物を硬化させる工程
本発明の光学部品は、本発明の光硬化性組成物を硬化させた硬化物からなる。本発明の光学部品は、光を拡散又は集光する用途に使用されるレンズが好ましく、レンズとしては特にフレネルレンズが好ましい。本発明の光学部品は、高温熱処理(例えば、リフロー半田付け等の260℃以上の高温処理)により基板実装するのに十分な耐熱性を有する。そのため、本発明の光学部品を備えた光学装置は、フレネルレンズ等の光学部品を別工程で実装する必要がなく、高温熱処理(例えば、リフロー半田付け)によりフレネルレンズ等の光学部品を他の部品と一括して基板実装することが可能であり、効率よく、且つ低コストで製造することができる。
本発明の光学装置は、本発明の光学部品を含んだ装置であり、光学装置としては、例えば、携帯電話、スマートフォン、タブレットPC等の携帯型電子機器や近赤外センサ、ミリ波レーダー、LEDスポット照明装置、近赤外LED照明装置、ミラーモニター、メーターパネル、ヘッドマウントディスプレイ(投影型)用コンバイナ、ヘッドアップディスプレイ用コンバイナ等の車載用電子機器等に用いられる光学装置を挙げることができる。
95重量%硫酸70g(0.68モル)と1,8-ジアザビシクロ[5.4.0]ウンデセン-7(DBU)55g(0.36モル)を撹拌混合して脱水触媒を調製した。
撹拌機、温度計、および脱水剤が充填され且つ保温された留出配管を具備した3Lのフラスコに、水添ビフェノール(4,4’-ジヒドロキシビシクロヘキシル)1000g(5.05モル)、上記で調製した脱水触媒125g(硫酸として0.68モル)、プソイドクメン1500gを入れ、フラスコを加熱した。内温が115℃を超えたあたりから水の生成が確認された。さらに昇温を続けてプソイドクメンの沸点まで温度を上げ(内温162~170℃)、常圧で脱水反応を行った。副生した水は留出させ、脱水管により系外に排出した。脱水触媒は反応条件下において液体であり反応液中に微分散していた。3時間経過後、ほぼ理論量の水(180g)が留出したため反応終了とした。
反応終了液を10段のオールダーショウ型の蒸留塔を用い、プソイドクメンを留去した後、内部圧力10Torr(1.33kPa)、内温137~140℃にて蒸留し、731gのビシクロヘキシル-3,3’-ジエンを得た。
過酢酸の酢酸エチル溶液の滴下終了後、40℃で1時間熟成し反応を終了した。さらに30℃で反応終了時の粗液を水洗し、70℃/20mmHgで低沸点化合物の除去を行い、反応生成物270gを得た。反応生成物のオキシラン酸素濃度は15.0重量%であった。
また1H-NMRの測定では、δ4.5~5ppm付近の内部二重結合に由来するピークが消失し、δ3.1ppm付近にエポキシ基に由来するプロトンのピークの生成が確認されたため、反応生成物は(3,4,3’,4’-ジエポキシ)ビシクロヘキシルであることが確認された。
5L反応器に水酸化ナトリウム(顆粒状)499g(12.48モル)、及びトルエン727mLを加え、窒素置換した後に、テトラヒドロベンジルアルコール420g(3.74モル)のトルエン484mL溶液を添加し、70℃で1.5時間熟成した。次いで、メタンスルホン酸テトラヒドロベンジル419g(2.20モル)を添加し、3時間還流下で熟成させた後、室温まで冷却し、水1248gを加えて反応を停止し、分液した。
分液した有機層を濃縮後、減圧蒸留を行うことにより、ジテトラヒドロベンジルエーテルを無色透明液体として得た(収率:85%)。得られたジテトラヒドロベンジルエーテルの1H-NMRスペクトルを測定した。
1H-NMR(CDCl3):δ1.23-1.33(m、2H)、1.68-1.94(m、6H)、2.02-2.15(m、6H)、3.26-3.34(m、4H)、5.63-7.70(m、4H)
撹拌器、冷却管、温度計、窒素導入管を備えた1Lのジャケット付きフラスコに水36g、硫酸水素ナトリウム12.0g、イソプロピリデン-4,4’-ジシクロヘキサノール(アルドリッチ社製)500g、溶媒としてソルベッソ150(エクソンモービル社製)500gを加えて100℃で脱水反応させた。水の留出が無くなった時点で反応終了とした。
反応液をガスクロマトグラフィーで分析を行ったところ、96%の収率で2,2-ビス(3,4-シクロヘキセニル)プロパンが生成していた。得られた反応液を、分液漏斗を用いて500mLのイオン交換水で洗浄した後、有機層を減圧蒸留し無色透明液状の2,2-ビス(3,4-シクロヘキセニル)プロパン387.0gを得た。その純度は96.1%であった。
得られた製品の性状は、オキシラン酸素濃度11.3%、粘度3550cP(25℃)であり、1H-NMRからδ4.5~5ppm付近の内部二重結合に由来するピークが消失し、δ2.9~3.1ppm付近にエポキシ基に由来するプロトンのピークの生成が確認された。
下記表1に示す割合で、脂環式エポキシ化合物、オキセタン化合物、グリシジルエーテル系エポキシ化合物、酸化防止剤、紫外線吸収剤、及び添加剤を混合することで光硬化性組成物を調製した。そして、実施例1~8、及び比較例1~5の光硬化性組成物について、ポリジメチルシロキサンへの膨潤度、粘度、硬化物の5%重量減少、透過率(400nm)、転写50回目の離型性、50回転写後のモールド表面粗さを評価した。評価結果を表1に示す。
表1における各化合物のSP値(溶解度パラメーター:δ)は、Fedorsの方法による25℃における値である。Polym. Eng. Sci., 14, 147(1974) 記載の方法に基づき算出した。具体的には、下記式によって算出した。なお、原子または原子団の蒸発エネルギー及びモル体積は、上記文献等により公知の値である。
vi:原子または原子団のモル体積
商品名「KE-1606」(信越シリコーン社製)を60℃、24時間で硬化後、150℃、1時間処理し、ポリジメチルシロキサンの樹脂板(20mm×20mm×0.5mm)を作製した。作製した樹脂板の重量を測定した後、光硬化性組成物の配合液に浸して25℃で3時間静置した。樹脂板を取り出した後、表面に付着した配合液をふき取り、再び重量を測定した。ポリジメチルシロキサンへの膨潤度は以下の式にて算出した。
(ポリジメチルシロキサンへの膨潤度)={(配合液に浸した後の重量)-(配合液に浸す前の重量)}/(配合液に浸す前の重量)×100[%]
実施例及び比較例で得られた光硬化性組成物の粘度(Pa・s)は、レオメーター(商品名「PHYSICA UDS200」、Paar Physica社製)を用いて温度25℃、回転速度20/秒で測定した。
縦20mm×横20mm×厚み0.5mmのテフロン(登録商標)製スペーサーを作製し、離型処理[商品名「オプツールHD1000」(ダイキン工業(株)製)に浸漬した後、24時間ドラフト内で放置]を施したスライドガラス(商品名「S2111」、松浪硝子(株)製)で挟み込みを行った。隙間に硬化性組成物を注型し、紫外光LED(波長:365nm)を用い、積算照射量が3000mJ/cm2の条件で光照射を行い硬化物を得た。得られた硬化物10mgを切り取り、下記条件でTG-DTA(商品名「EXSTAR6300」、(株)日立ハイテクサイエンス社製)を使用して5%重量減少温度を測定することにより耐熱性を評価した。
TG-DTA条件
昇温速度:20℃/min
雰囲気:窒素
温度条件:30℃~400℃
5%重量減少温度を測定した硬化物と同様のサンプルを作製し、硬化物の透過率(400nm)を測定した。透過率は、分光光度計(商品名「U-3900」、(株)日立ハイテクノロジーズ社製)を用いて測定した。
商品名「KE-1606」(信越シリコーン社製)を60℃、24時間で硬化後、150℃、1時間処理した平板のシリコンモールド(φ50mm×0.5mm)を作製した。それを上下のモールドとして、t0.5mmのスペーサーをかませて、50回連続転写を実施し、50回目の転写したときに離型時の現象について評価を実施した。
○:10秒以内にモールドから離型することができた。
△:成形品を離型させるのに10秒以上要したが、成形品が割れることなく離型できた。
×:離型時に成形品が割れた。
50回連続転写を実施した後のシリコンモールドの表面粗さをET4000((株)小坂研究所製)を使って測定した。表面粗さの測定条件は、測定速度:10μm、測定距離:1.25mm、スタイラス:先端2μmR、カットオフ:0.25mmである。
(a-1):調製例1で得られた化合物、(3,4,3’,4’-ジエポキシ)ビシクロヘキシル
(a-2):調製例2で得られた化合物、ビス(3,4-エポキシシクロヘキシルメチル)エーテル
(a-3):調製例3で得られた化合物、2,2-ビス(3,4-エポキシシクロヘキサン-1-イル)プロパン
セロキサイド2021P:3,4-エポキシシクロヘキシルメチル(3,4-エポキシ)シクロヘキサンカルボキシレート、商品名「セロキサイド2021P」((株)ダイセル製)
OXT101:3-エチル-3-ヒドロキシメチルオキセタン、商品名「アロンオキセタンOXT-101」(東亞合成(株)製)
OXT221:ビス[1-エチル(3-オキセタニル)]メチルエーテル、商品名「アロンオキセタンOXT-221」(東亞合成(株)製)
OXBP:4,4’-ビス[(3-エチル-3-オキセタニル)メトキシメチル]ビフェニル、商品名「OXBP」(宇部興産(株)製)
YX8000:水添ビスフェノールA型エポキシ樹脂、商品名「YX8000」(三菱化学(株)製)
YH300:脂肪族グリシジルエーテル系エポキシ化合物、商品名「YH-300」(新日鉄住金化学(株)製)
エポライト100E:脂肪族グリシジルエーテル系エポキシ化合物、商品名「エポライト100E」(共栄社化学(株)製)
BPO-20E:ビスフェノールA型ジグリシジルエーテル、商品名「リカレジン BPO-20E」(新日本理化(株)製)
BPO-60E:ビスフェノールA型ジグリシジルエーテル、商品名「リカレジン BPO-60E」(新日本理化(株)製)
CPI-101A:光重合開始剤(光酸発生剤)、商品名「CPI-101A」(サンアプロ(株)製)
(d-1):4-(フェニルチオ)フェニルジフェニルスルホニウム フェニルトリス(ペンタフルオロフェニル)ボレート
IN1010:テトラキス[3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオネート]、商品名「Irganox 1010」(BASF社製)
KEMISORB79:ベンゾトリアゾール系紫外線吸収剤、商品名「KEMISORB79」(ケミプロ化成(株)製)
BYK333:ポリエーテル変性ポリジメチルシロキサン(シリコン系表面調整剤)、商品名「BYK-333」(ビックケミー・ジャパン(株)製)
Claims (16)
- 下記成分(A)、成分(B)、成分(C)、及び成分(D)を含み、前記成分(A)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量に対して、10~50重量%である光硬化性組成物。
成分(A):下記式(a)で表される脂環式エポキシ化合物
成分(B):FedorsのSP値が9.5(cal/cm3)1/2以上であるオキセタン化合物
成分(C):分子量が250以上であるグリシジルエーテル系エポキシ化合物
成分(D):光重合開始剤 - 前記成分(B)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量に対して、10~60重量%である請求項1に記載の光硬化性組成物。
- 前記成分(C)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量に対して、10~60重量%である請求項1又は2に記載の光硬化性組成物。
- 前記成分(D)の含有量が、光硬化性組成物に含まれる光硬化性化合物全量(100重量部)に対して、0.05~10重量部である請求項1~3の何れか1項に記載の光硬化性組成物。
- 前記成分(A)のFedorsのSP値が、9.2(cal/cm3)1/2以上である請求項1~4の何れか1項に記載の光硬化性組成物。
- 前記成分(C)のFedorsのSP値が、9.5(cal/cm3)1/2以上である請求項1~5の何れか1項に記載の光硬化性組成物。
- さらに酸化防止剤及び/又は紫外線吸収剤を含む請求項1~6の何れか1項に記載の光硬化性組成物。
- さらに表面改質剤を含む請求項1~7の何れか1項に記載の光硬化性組成物。
- 光学部品用である請求項1~8の何れか1項に記載の光硬化性組成物。
- 請求項1~9の何れか1項に記載の光硬化性組成物を硬化して得られる硬化物。
- シリコンモールドを用いて成形される請求項10に記載の硬化物。
- 前記シリコンモールドが、ポリジメチルシロキサンを原料とする請求項11に記載の硬化物。
- 前記光硬化性組成物の硬化が、UV-LED(波長:350~400nm)を使用して光照射を行う硬化である請求項10~12の何れか1項に記載の硬化物。
- 請求項10~13の何れか1項に記載の硬化物からなる光学部品。
- 光を拡散又は集光する用途である請求項14に記載の光学部品。
- 請求項14又は15に記載の光学部品を備えた光学装置。
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CN201680028469.3A CN107614562B (zh) | 2015-05-27 | 2016-05-24 | 光固化性组合物、使用其的固化物及光学部件 |
US15/576,159 US20180134838A1 (en) | 2015-05-27 | 2016-05-24 | Photocurable composition, cured product and optical component using same |
JP2017520711A JP6948943B2 (ja) | 2015-05-27 | 2016-05-24 | 光硬化性組成物、それを用いた硬化物及び光学部品 |
KR1020177036021A KR20180012780A (ko) | 2015-05-27 | 2016-05-24 | 광경화성 조성물, 그것을 사용한 경화물 및 광학 부품 |
EP16800005.7A EP3305825B1 (en) | 2015-05-27 | 2016-05-24 | Photocurable composition, cured product and optical component using same |
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WO2018151080A1 (ja) * | 2017-02-14 | 2018-08-23 | 荒川化学工業株式会社 | 組成物、絶縁コーティング剤、硬化物及び電子回路基板 |
JP2019031602A (ja) * | 2017-08-07 | 2019-02-28 | 恒夫 萩原 | 光学的立体造形用樹脂組成物 |
JP2020044835A (ja) * | 2018-09-12 | 2020-03-26 | キヤノン株式会社 | 立体造形用の硬化性樹脂組成物 |
US11171309B2 (en) | 2016-12-09 | 2021-11-09 | Lg Chem, Ltd. | Encapsulating composition |
JP7662758B1 (ja) | 2023-11-15 | 2025-04-15 | Jsr株式会社 | 硬化性組成物、硬化膜、有機el素子及びその製造方法 |
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JP6286396B2 (ja) * | 2015-08-13 | 2018-02-28 | 株式会社ダイセル | 硬化性組成物及びその硬化物 |
CN114509914B (zh) * | 2020-11-16 | 2025-06-27 | 常州强力先端电子材料有限公司 | 光固化组合物、光学膜及其制备方法和光学产品 |
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Also Published As
Publication number | Publication date |
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EP3305825A1 (en) | 2018-04-11 |
US20180134838A1 (en) | 2018-05-17 |
TW201718754A (zh) | 2017-06-01 |
TWI693254B (zh) | 2020-05-11 |
EP3305825A4 (en) | 2019-01-09 |
JP6948943B2 (ja) | 2021-10-13 |
EP3305825B1 (en) | 2022-11-16 |
CN107614562B (zh) | 2022-06-03 |
CN107614562A (zh) | 2018-01-19 |
JPWO2016190300A1 (ja) | 2018-05-10 |
KR20180012780A (ko) | 2018-02-06 |
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