WO2011145613A1 - プラスチック光学製品及び眼鏡プラスチックレンズ - Google Patents
プラスチック光学製品及び眼鏡プラスチックレンズ Download PDFInfo
- Publication number
- WO2011145613A1 WO2011145613A1 PCT/JP2011/061308 JP2011061308W WO2011145613A1 WO 2011145613 A1 WO2011145613 A1 WO 2011145613A1 JP 2011061308 W JP2011061308 W JP 2011061308W WO 2011145613 A1 WO2011145613 A1 WO 2011145613A1
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- WIPO (PCT)
- Prior art keywords
- plastic
- film
- refractive index
- layer
- multilayer film
- Prior art date
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- 239000004033 plastic Substances 0.000 title claims abstract description 52
- 229920003023 plastic Polymers 0.000 title claims abstract description 52
- 230000003287 optical effect Effects 0.000 title claims abstract description 48
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 24
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 18
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 abstract description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052719 titanium Inorganic materials 0.000 abstract description 2
- 230000003667 anti-reflective effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 34
- 229910003087 TiOx Inorganic materials 0.000 description 24
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 24
- 239000000463 material Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 229910010413 TiO 2 Inorganic materials 0.000 description 9
- 210000004243 sweat Anatomy 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000005856 abnormality Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- -1 acrylic compound Chemical class 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- TVWPGPXWJCZZAC-UHFFFAOYSA-N 1-[2-[2-(2-hydroxyethylsulfanyl)ethylsulfanyl]ethylsulfanyl]-3-sulfanyl-2-(sulfanylmethyl)propan-2-ol Chemical compound OCCSCCSCCSCC(O)(CS)CS TVWPGPXWJCZZAC-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- BYPFICORERPGJY-UHFFFAOYSA-N 3,4-diisocyanatobicyclo[2.2.1]hept-2-ene Chemical compound C1CC2(N=C=O)C(N=C=O)=CC1C2 BYPFICORERPGJY-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- JOBBTVPTPXRUBP-UHFFFAOYSA-N [3-(3-sulfanylpropanoyloxy)-2,2-bis(3-sulfanylpropanoyloxymethyl)propyl] 3-sulfanylpropanoate Chemical compound SCCC(=O)OCC(COC(=O)CCS)(COC(=O)CCS)COC(=O)CCS JOBBTVPTPXRUBP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- SYFOAKAXGNMQAX-UHFFFAOYSA-N bis(prop-2-enyl) carbonate;2-(2-hydroxyethoxy)ethanol Chemical compound OCCOCCO.C=CCOC(=O)OCC=C SYFOAKAXGNMQAX-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- RJGHQTVXGKYATR-UHFFFAOYSA-L dibutyl(dichloro)stannane Chemical compound CCCC[Sn](Cl)(Cl)CCCC RJGHQTVXGKYATR-UHFFFAOYSA-L 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- OTARVPUIYXHRRB-UHFFFAOYSA-N diethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](C)(OCC)CCCOCC1CO1 OTARVPUIYXHRRB-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- DEIVNMVWRDMSMJ-UHFFFAOYSA-N hydrogen peroxide;oxotitanium Chemical compound OO.[Ti]=O DEIVNMVWRDMSMJ-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 150000003553 thiiranes Chemical class 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- 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
- G02B1/043—Contact lenses
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/022—Ophthalmic lenses having special refractive features achieved by special materials or material structures
Definitions
- the present invention relates to a plastic optical product or an eyeglass plastic lens having an optical multilayer film and having excellent heat resistance.
- an antireflection film including a metal oxide film is formed on a plastic substrate or a hard coat film on the substrate.
- the metal oxide film has a smaller coefficient of thermal expansion than a plastic substrate or a hard coat film. Therefore, when a lot of heat is applied to the plastic lens, the metal oxide film cannot follow the deformation due to relatively large thermal expansion of the plastic substrate or the hard coat film, and there is a possibility that the antireflection film may crack. is there.
- Patent Document 1 In order to improve such a property against heat and to have heat resistance, for example, as disclosed in the following Patent Document 1, in the antireflection film, at least two of the same metal element and different oxygen contents are used. It is known to include a composite layer with adjacent metal oxide layers.
- Patent Document 1 in order to have heat resistance while maintaining antireflection performance, the substrate is separated from the substrate side (hard coat side) (through a normal antireflection multilayer structure). In this state, the composite layer is disposed, and the ordinary antireflection multilayer structure cannot follow the deformation due to thermal expansion, and the heat resistance is not improved so much.
- spectacle lenses or the like are not used as a circular lens (round ball), but can be worn by putting the outer shape into a predetermined shape such as an ellipse and putting it in a frame. In many cases, it cannot be said that the thing of patent document 1 has improved the heat resistance after framed greatly.
- an object of the present invention is to provide a plastic optical product and a spectacle plastic lens having an optical multilayer film and having excellent heat resistance.
- an optical multilayer film of seven layers is formed directly or via an intermediate film on the surface of a plastic substrate, and the layer is formed of the plastic substrate.
- the low refractive index layer on the side is arranged alternately with the high refractive index layer, and at least the high refractive index layer in the center contains insufficient equivalent titanium oxide.
- the invention according to claim 2 is the above invention, wherein only the high refractive index layer at the center is a deficient equivalent titanium oxide. It is characterized by including.
- the invention described in claim 3 is the above invention, in order to achieve the object of making the manufacturing easier by arranging the elements of the material of the high refractive index layer. Is characterized by being formed from insufficient equivalent titanium oxide or titanium dioxide.
- the invention according to claim 4 is an eyeglass plastic lens, wherein the plastic optical product of the invention is used, and the plastic base is an eyeglass plastic lens base, and the intermediate The film is a hard coat film, and the optical multilayer film is an antireflection film.
- the plastic substrate of the optical multilayer film when subjected to heat while maintaining the antireflection characteristics and other characteristics of the optical multilayer film satisfactorily.
- the followability with respect to a material can be made favorable, and the optical member excellent in heat resistance can be provided.
- an intermediate film 2 and an optical multilayer film 3 are laminated in this order on the surface of a plastic substrate 1.
- the optical multilayer film 3 may be laminated directly on the plastic substrate 1 without providing the intermediate film 2, or a water repellent film or the like may be further formed on the optical multilayer film 3.
- Examples of optical products include spectacle lenses, camera lenses, projector lenses, binocular lenses, telescope lenses, and various filters.
- the material of the plastic substrate 1 include polyurethane resin, episulfide resin, polycarbonate resin, acrylic resin, polyethersulfone resin, poly-4-methylpentene-1 resin, diethylene glycol bisallyl carbonate resin, and the like.
- the intermediate film 2 corresponds to, for example, a hard coat film provided on the surface of the plastic substrate 1.
- the hard coat film is formed of, for example, an organosiloxane type, other organic silicon compound, an acrylic compound, or the like.
- membrane about the intermediate film 2 and the primer layer in this case is formed from polyurethane-type resin, acrylic resin, methacrylic resin, organosilicon resin, for example Is done.
- the optical multilayer film 3 is generally formed by alternately laminating a low refractive index layer and a high refractive index layer made of a metal oxide by a vacuum deposition method or a sputtering method, and the low refractive index layer is made of, for example, silicon dioxide ( is formed by using a SiO 2), the high refractive index layer is formed by, for example, titanium oxide.
- Al 2 O 3 dialuminum trioxide
- Y 2 O 3 diyttrium trioxide
- ZrO 2 zirconium dioxide
- Ta 2 O 5 tantalum pentoxide
- HfO 2 hafnium dioxide
- Nb 2 O 5 can be used known ones such as (niobium pentoxide).
- the optical multilayer film 3 has a low refractive index layer as a first layer and a high refractive index layer as a first layer when the plastic substrate 1 or the intermediate film 2 side is the first layer, and is laminated up to the seventh layer. ing.
- Examples of the function of the optical multilayer film 3 include an antireflection film, a mirror, a half mirror, an ND filter, and a band pass filter.
- the optical multilayer film 3 is made of titanium oxide (deficient equivalent titanium oxide, TiOx, x ⁇ 2) in which at least the fourth layer at the center is insufficiently oxidized. That is, only the fourth layer is made of TiOx, the second and sixth layers are made of titanium dioxide (TiO 2 ) (Example 1), the second and fourth layers are made of TiOx, and the sixth layer is made of TiO 2 (Example 2). , 4,6-layer or the second layer and TiO 2 as TiOx (example 3), or a TiOx 2,4,6-layer to (example 4).
- TiOx is formed by making oxygen equivalent (slightly) insufficient with respect to titanium.
- titanium oxide such as trititanium pentoxide is evaporated under supply of oxygen gas and deposited on the plastic substrate 1 as insufficient equivalent titanium oxide.
- oxygen gas supply conditions a supply amount, a pressure at the time of film formation, etc.
- an inert gas may be supplied together with the oxygen gas at the time of vapor deposition, and the supply of the inert gas may be controlled to adjust the oxidation deficiency.
- ion assist for introducing oxygen ions while satisfying the film formation conditions may be appropriately performed at a predetermined acceleration voltage or acceleration current, and argon ions may be substituted for oxygen ions.
- Other ions such as may be used.
- plasma treatment may be performed instead of ion assist or together with ion assist.
- the optical multilayer film 3 has a five-layer structure or a nine-layer structure, a low refractive index layer is located at the center of the whole.
- a high refractive index layer is located in the center when the three-layer structure or the eleven-layer structure is used, but the three-layer structure cannot sufficiently provide various functions including an antireflection function, and the nine-layer structure or more can form a film. It takes time and is not realistic.
- Examples 1 to 4 described above were prepared as examples, and Comparative examples 1 to 8 were prepared as comparative examples. These are all plastic lenses, and are different from each other only in the configuration of the optical multilayer film.
- the optical multilayer films of Comparative Examples 1 to 4 have a total of 7 layers, and the optical multilayer films of Comparative Examples 5 to 8 have a total of 5 layers.
- the high refractive index layers of Comparative Example 1 are all TiO 2
- the high refractive index layer of Comparative Example 2 is TiOx only for the second layer
- the high refractive index layer of Comparative Example 3 is TiOx only for the sixth layer.
- the high refractive index layer of Example 4 is TiOx only in the second and sixth layers.
- the high refractive index layers of Comparative Example 5 are all TiO 2
- the high refractive index layer of Comparative Example 6 is TiOx only in the second layer
- the high refractive index layer of Comparative Example 7 is TiOx only in the fourth layer.
- the high refractive index layer of Comparative Example 8 is TiOx for the second and fourth layers.
- ⁇ Plastic lens substrate ⁇ As the plastic lens base materials of Examples 1 to 4 and Comparative Examples 1 to 8, round balls produced as described below, or those obtained by processing them into a target lens shape, were used.
- Marutama has 50 parts by weight of norbornene diisocyanate, 25 parts by weight of pentaerythritol tetrakis (3-mercaptopropionate), and 25 parts by weight of bis (mercaptomethyl) -3,6,9-trithia-1,11-undecanediol.
- a uniform solution containing 0.03 part by weight of dibutyltin dichloride as a catalyst was injected into a lens mold with respect to a total of 100 parts by weight of the part, and the temperature was cured by heating from 20 ° C to 130 ° C for 20 hours.
- These plastic lens substrates have a refractive index of 1.594, an Abbe number of 42, and a power of ⁇ 3.00.
- ⁇ Hard coat film ⁇ In Examples 1 to 4 and Comparative Examples 1 to 8, a hard coat solution (consisting of a base solution and various additives) described below was applied to a plastic lens substrate by dipping, and air-dried and then dried at 120 ° C. for 1 hour. A hard coat film having a film thickness of 3.0 ⁇ m (micrometer) was formed by being cured by half heating.
- the base solution of the hard coat solution was 11 parts by weight of tetraethoxysilane, 76 parts by weight of ⁇ -glycidoxypropyltrimethoxysilane, and 22 parts by weight of ⁇ -glycidoxypropylmethyldiethoxysilane in a total of 283 parts by weight.
- ⁇ Optical multilayer film A plastic lens substrate with a hard coat film was set in a vacuum chamber, and each layer was sequentially formed by a vacuum deposition method (odd layer SiO 2 , even layer titanium oxide).
- the even layer was formed as follows. Oxygen gas was introduced into the vacuum chamber so that the film formation pressure was determined depending on whether or not oxidation was insufficient (or the degree of deficiency), and TiO 2 or TiOx was vapor-deposited using titanium trioxide as a vapor deposition material. .
- the reaction related to film formation is as follows. Ti 3 O 5 + ⁇ O 2 ⁇ 3TiOx
- the deposition pressures of the TiOx layers (deficient equivalent titanium oxide layers) of Examples 1 to 4 were 5.5E-3 Pa (Pascal), 6.0E-3 Pa, 6.0E-3 Pa, 6.0E-3 Pa in this order. is there.
- “E” indicates that the subsequent number is regarded as an exponent of 10, and the power is multiplied by the previous number (number of digits).
- the deposition pressures of the TiO 2 layers of Examples 1 to 3 are all 1.0E-2 Pa.
- the deposition pressures of the TiOx layers of Comparative Examples 2 to 4 are all 5.5E-3 Pa, and the deposition pressures of the TiOx layers of Comparative Examples 6 to 8 are all 6.0E-3 Pa.
- the deposition pressures of the TiO 2 layers of Comparative Examples 1 to 7 are all 1.0E-2 Pa.
- the comparative example 1 in which TiOx is not used in the seven-layer structure can only withstand 70 ° C.
- the comparative examples 2 to 4 in which TiOx is used for other than the central layer can withstand only 70 to 80 ° C.
- Comparative Examples 1 to 4 having a five-layer structure can withstand only 70 to 97.5 ° C. (average of left and right) regardless of whether or not TiOx is used.
- Examples 1 to 4 can withstand temperatures of 100 to 105 ° C., and in particular, Example 1 in which only the central layer is made of TiOx has excellent heat resistance and balance that can withstand 105 ° C. on both sides.
- Acidic artificial sweat is prepared by dissolving 10 g (grams) of sodium chloride, 2.5 g of sodium hydrogenphosphate 12 hydrated water, and 1.0 g of lactic acid in 1 liter of pure water. It was prepared by dissolving 10 g of sodium chloride, 2.5 g of sodium hydrogenphosphate 12-hydrated water, and 4.0 g of ammonium carbonate in 1 liter of pure water.
- the TiOx layer in at least the central layer of the optical multilayer film having a 7-layer structure, it includes only a TiO 2 layer as a high refractive index material for performance such as adhesion, sweat resistance and boiling resistance, While maintaining a good one equivalent to the one containing the TiOx layer in addition to the central layer, the stress balance of the whole film is evenly adjusted, the follow-up property to the stress change of the base material and the intermediate film is good, and the lens processing or frame Even after insertion, occurrence of abnormal appearance such as cracks can be prevented for a long time.
- a TiO 2 layer as a high refractive index material for performance such as adhesion, sweat resistance and boiling resistance
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Abstract
Description
当該実施例として、上述の実施例1~4を作成し、比較例として、比較例1~8を作成した。これらは何れもプラスチックレンズであり、光学多層膜の構成のみ互いに相違する。比較例1~4の光学多層膜は全7層であり、比較例5~8の光学多層膜は全5層である。比較例1の高屈折率層は全てTiO2であり、比較例2の高屈折率層は2層目のみTiOxであり、比較例3の高屈折率層は6層目のみTiOxであり、比較例4の高屈折率層は2,6層目のみTiOxである。一方、比較例5の高屈折率層は全てTiO2であり、比較例6の高屈折率層は2層目のみTiOxであり、比較例7の高屈折率層は4層目のみTiOxであり、比較例8の高屈折率層は2,4層目共TiOxである。
実施例1~4,比較例1~8のプラスチックレンズ基材として、次の説明の通り製造した丸玉、あるいはそれを玉型加工したものを用いた。丸玉は、ノルボルネンジイソシアネートを50重量部、ペンタエリスリトールテトラキス(3-メルカプトプロピオネート)を25重量部、ビス(メルカプトメチル)-3,6,9-トリチア-1,11-ウンデカンジオールを25重量部の合計100重量部に対し、触媒としてジブチルチンジクロライド0.03重量部を配合した均一溶液をレンズ用モールドに注入し、20℃から130℃まで20時間を費やして昇温硬化させて製造した。これらのプラスチックレンズ基材の屈折率は1.594であり、アッベ数は42であり、度数は-3.00である。
実施例1~4,比較例1~8では、次に説明するハードコート液(ベース溶液及び各種添加剤から成る)をディッピング法でプラスチックレンズ基材に塗布し、送風乾燥後120℃で1時間半加熱することにより硬化させて、膜厚3.0μm(マイクロメートル)のハードコート膜を形成した。
ハードコート膜付きのプラスチックレンズ基材を真空槽内にセットし、真空蒸着法により順次各層を形成した(奇数層SiO2,偶数層チタン酸化物)。特に偶数層は次のように成膜した。酸化不十分とするか否か(ないし不足の度合)により定まる成膜時圧力になるように真空槽内に酸素ガスを導入し、五酸化三チタンを蒸着材料としてTiO2あるいはTiOxを蒸着させた。なお、成膜に係る反応は次に示す通りである。
Ti3O5+δO2→3TiOx
反射防止膜形成後の丸玉につき、60℃のオーブンに5分間入れた後に取り出して、外観確認によりクラックの発生等の異常発生の有無を確認する。外観異常が無ければ、再度同様にオーブンに入れて外観確認し、これをオーブン投入時間が合計30分間となるまで繰り返す。それでも外観異常が無ければ、オーブンの温度を10℃上げ、同様に5分毎で30分間までの加熱及び外観観察を行い、これを外観異常が有るまで繰り返す。このような試験の結果を、実施例1~4につき[表4]の上部に示し、比較例1~4につき[表5]の上部に示し、比較例5~8につき[表6]の上部に示す。この結果によれば、丸玉においては何れも120℃に耐える状態であるといえる。
丸玉を玉型加工した2枚のプラスチックレンズにつき、金属製眼鏡フレームの左右に枠入れし、60℃・95%の恒温恒湿環境下に3日間投入した後、丸玉耐熱試験と同様の試験を行う。但し、各温度における加熱時間は20分で、外観異常が無ければすぐに上の温度の加熱に移り、90℃以上では5℃ずつ昇温し、左右の一方に外観異常が発生しても他方に外観異常が無ければ試験を続ける。恒温恒湿環境下に3日間投入することによって、長期の使用経過時間を経た状態を短期間で出現させることができ、使用を考慮した耐熱性につき促進した試験を行える。このような試験の結果を、実施例1~4につき[表4]の下部に示し、比較例1~4につき[表5]の下部に示し、比較例5~8につき[表6]の上部に示す。[表4]等の下部において、左のレンズの結果は各列左側に示され、右のレンズの結果は各列右側に示される。
丸玉につき、ナイフを用いて、光学多層膜側の表面における1mm2(平方ミリメートル)の正方形の区画を100マス作成する。そして、全区画が覆われるように長い粘着性セロハンテープの一部を貼り、そのテープの貼らない一端を持ってレンズ表面に垂直な方向へ勢い良く引っ張り、テープを剥がした後、残っている光学多層膜のマス目の数を外観により確認する(光学多層膜が無くなるとコーティングの剥がれた跡がつく)。このような剥離試験(密着評価試験)を、日照を再現するサンシャインウェザーメーター内に60時間投入した後で再度行い、更に60時間投入毎に240時間まで繰り返す。このような試験の結果を、実施例1~4につき[表7]の上部に示し、比較例1~4につき[表8]の上部に示し、比較例5~8につき[表9]の上部に示す。ここで、「◎」は、残存したマス目の数が100~99であることを示す。この結果によれば、何れも優れた耐候密着性を有するといえ、実施例1~4は比較例1~8(特にTiOxを用いない比較例1,5)と同等の耐候密着性を有するといえる。
丸玉につき、酸性の人工汗液及びアルカリ性の人工汗液にそれぞれ24時間浸漬させ、光学多層膜の状態を観察した。酸性の人工汗液は、塩化ナトリウム10g(グラム)、リン酸水素ナトリウム12水和水2.5g、乳酸1.0gを純水1リットル中に溶かして作成したものであり、アルカリ性の人工汗液は、塩化ナトリウム10g、リン酸水素ナトリウム12水和水2.5g、炭酸アンモニウム4.0gを純水1リットル中に溶かして作成したものである。この汗に対する耐性試験の結果を、実施例1~4につき[表7]の中央に示し、比較例1~4につき[表8]の中央に示し、比較例5~8につき[表9]の中央に示す。ここで、「○」は、光学多層膜の剥がれが無かったことを示す。この結果によれば、何れも優れた汗に対する耐性を有するといえる。
丸玉につき、沸騰している市水又は純水に10分間浸漬させ、その後に取出してレンズの表面を観察した。この試験の結果を、実施例1~4につき[表7]の下部に示し、比較例1~4につき[表8]の下部に示し、比較例5~8につき[表9]の下部に、汗に対する耐性の場合と同様に示す。この結果によれば、何れも優れた煮沸耐性を有するといえる。
なお、低屈折率材料や不足当量酸化チタン以外の高屈折率材料として、Al2O3、Y2O3、ZrO2、Ta2O5、HfO2、Nb2O5を用いても、SiO2やTiO2の場合と同様に、耐熱性等が認められた。
このように、7層構成の光学多層膜少なくとも中央層にTiOx層を配置することによって、密着性・汗に対する耐性・煮沸耐性といった性能につき、高屈折率材料としてTiO2層のみを含むものや、中央層以外にTiOx層を含むものと同等の良好なものに保持しながら、膜全体の応力バランスを均等に整え、基材や中間膜の応力変化に対する追従性を良好とし、玉型加工ないし枠入れ後においてもクラックを始めとする外観異常の発生を長期的に防止することができるようになる。
2 中間膜(ハードコート膜)
3 光学多層膜(反射防止膜)
Claims (4)
- プラスチック基材の表面に、直接又は中間膜を介して7層の光学多層膜が形成されており、
前記層は、前記プラスチック基材側のものを低屈折率層として、高屈折率層と交互に配置されており、
少なくとも中央の前記高屈折率層は、不足当量酸化チタンを含む
ことを特徴とするプラスチック光学製品。 - 中央の前記高屈折率層のみ、不足当量酸化チタンを含むことを特徴とする請求項1に記載のプラスチック光学製品。
- 各前記高屈折率層は、不足当量酸化チタン又は二酸化チタンから形成されていることを特徴とする請求項1または請求項2に記載のプラスチック光学製品。
- 請求項1ないし請求項3の何れかに記載のプラスチック光学製品が用いられており、
前記プラスチック基材は眼鏡プラスチックレンズ基材であり、
前記中間膜はハードコート膜であり、
前記光学多層膜は反射防止膜である
ことを特徴とする眼鏡プラスチックレンズ。
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US9057887B1 (en) | 2014-05-06 | 2015-06-16 | Blue Light Eye Protection, Inc. | Materials and methods for mitigating the harmful effects of blue light |
US10191305B2 (en) | 2015-12-30 | 2019-01-29 | Signet Armorlite, Inc. | Ophthalmic lens |
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CN102906602A (zh) | 2013-01-30 |
KR101800347B1 (ko) | 2017-11-22 |
EP2560031A4 (en) | 2013-11-06 |
EP2560031A1 (en) | 2013-02-20 |
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