WO2014119502A1 - 洗浄液、洗浄用具および洗浄キット - Google Patents
洗浄液、洗浄用具および洗浄キット Download PDFInfo
- Publication number
- WO2014119502A1 WO2014119502A1 PCT/JP2014/051646 JP2014051646W WO2014119502A1 WO 2014119502 A1 WO2014119502 A1 WO 2014119502A1 JP 2014051646 W JP2014051646 W JP 2014051646W WO 2014119502 A1 WO2014119502 A1 WO 2014119502A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning
- cleaning liquid
- liquid
- convex portions
- tool
- Prior art date
Links
- 238000005406 washing Methods 0.000 title claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims description 408
- 239000007788 liquid Substances 0.000 claims description 295
- 239000000463 material Substances 0.000 claims description 108
- 239000000835 fiber Substances 0.000 claims description 40
- 239000002736 nonionic surfactant Substances 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004094 surface-active agent Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 10
- 239000003945 anionic surfactant Substances 0.000 claims description 7
- 239000002798 polar solvent Substances 0.000 claims description 5
- 239000000872 buffer Substances 0.000 claims description 4
- 230000003667 anti-reflective effect Effects 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 description 121
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- 239000007864 aqueous solution Substances 0.000 description 13
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- -1 hydroxide ions Chemical class 0.000 description 12
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 10
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
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- 238000003825 pressing Methods 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 229920001410 Microfiber Polymers 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 150000005215 alkyl ethers Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000002156 mixing Methods 0.000 description 3
- 210000002374 sebum Anatomy 0.000 description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006172 buffering agent Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- 229940045872 sodium percarbonate Drugs 0.000 description 2
- 229910000031 sodium sesquicarbonate Inorganic materials 0.000 description 2
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- 239000002689 soil Substances 0.000 description 2
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- 238000012546 transfer Methods 0.000 description 2
- WCTAGTRAWPDFQO-UHFFFAOYSA-K trisodium;hydrogen carbonate;carbonate Chemical compound [Na+].[Na+].[Na+].OC([O-])=O.[O-]C([O-])=O WCTAGTRAWPDFQO-UHFFFAOYSA-K 0.000 description 2
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- 229920000178 Acrylic resin Polymers 0.000 description 1
- 241001502946 Aphanius dispar Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920005682 EO-PO block copolymer Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 102000035195 Peptidases Human genes 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 239000004111 Potassium silicate Substances 0.000 description 1
- 108010077895 Sarcosine Proteins 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
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- 229910021645 metal ion Inorganic materials 0.000 description 1
- XMYQHJDBLRZMLW-UHFFFAOYSA-N methanolamine Chemical compound NCO XMYQHJDBLRZMLW-UHFFFAOYSA-N 0.000 description 1
- 229940087646 methanolamine Drugs 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
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- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229940121125 oxy clean Drugs 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- FSYKKLYZXJSNPZ-UHFFFAOYSA-N sarcosine Chemical compound C[NH2+]CC([O-])=O FSYKKLYZXJSNPZ-UHFFFAOYSA-N 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0047—Other compounding ingredients characterised by their effect pH regulated compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/049—Cleaning or scouring pads; Wipes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
-
- 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
- G02B1/118—Anti-reflection coatings having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
Definitions
- the present invention relates to a cleaning liquid, a cleaning tool, and a cleaning kit.
- This application claims priority based on Japanese Patent Application No. 2013-017727 filed in Japan on January 31, 2013 and Japanese Patent Application No. 2013-089827 filed on April 22, 2013 in Japan, The contents are incorporated here.
- anti-reflection technology has been developed to reduce surface reflection and increase the amount of transmitted light.
- display devices used in televisions, mobile phones, etc., optical elements of camera lenses, etc. are widely used. Yes.
- an antireflection material in which a fine uneven shape (antireflection structure) whose period is controlled to be equal to or less than the wavelength of visible light is formed on the incident surface of external light (for example, see Patent Document 1).
- an antireflection material is used by changing the refractive index in the height direction of the unevenness from the refractive index of the incident medium to the refractive index of the substrate by utilizing the principle of a so-called moth-eye structure. The reflection of the light incident on is suppressed.
- the present invention has been made in view of such circumstances, and provides a cleaning liquid capable of satisfactorily cleaning dirt adhered to a fine uneven shape whose period is controlled to be equal to or less than the wavelength of visible light. With the goal. It is another object of the present invention to provide a cleaning tool and a cleaning kit that can cleanly remove dirt adhering to fine irregularities whose period is controlled to be equal to or less than the wavelength of visible light. And
- One embodiment of the present invention includes a plurality of convex portions formed on one surface with a period equal to or less than the wavelength of the visible light region, and transmits light that prevents reflection of light incident on the one surface on the one surface.
- the cleaning liquid is used when cleaning the concave portion that is the region between the adjacent convex portions among the plurality of convex portions, and the cleaning liquid has a pH of 10.00 or more. Can do.
- a configuration including a buffer may be used.
- a structure including a surfactant may be used.
- the surfactant includes a nonionic surfactant, It is good also as a structure whose density
- the nonionic surfactant may have a concentration of 1.0% by mass or more and 5.0% by mass or less.
- the surfactant may include an anionic surfactant.
- the pH may be 13.00 or less.
- the pH may be 11.40 or more and 12.00 or less.
- the pH may be 10.70 to 11.10.
- an aqueous solution containing a water-soluble basic substance and water that dissolves the basic substance may be used.
- the convex portion may be a cone having a height of 100 nm to 600 nm and a bottom surface width of 100 nm to 600 nm in plan view.
- the antireflection structure may be bonded to a display surface of a display device with the one surface exposed to the outside.
- One embodiment of the present invention includes a plurality of convex portions formed on one surface with a period equal to or less than the wavelength of the visible light region, and transmits light that prevents reflection of light incident on the one surface on the one surface.
- a cleaning tool for use in cleaning a concave portion that is an area between adjacent convex portions among the plurality of convex portions, the cleaning liquid and a sheet impregnated with the cleaning liquid
- a cleaning tool comprising a substrate.
- One embodiment of the present invention includes a plurality of convex portions formed on one surface with a period equal to or less than the wavelength of the visible light region, and transmits light that prevents reflection of light incident on the one surface on the one surface.
- the cleaning tool is used when cleaning a recess that is a region between adjacent protrusions among the plurality of protrusions, and contains the cleaning liquid and the cleaning liquid.
- a cleaning tool comprising: a container body having an opening for discharging a cleaning liquid; and a container having an application member that covers the opening and is provided so as to be able to discharge the cleaning liquid.
- One embodiment of the present invention includes a plurality of convex portions formed on one surface with a period equal to or less than the wavelength of the visible light region, and transmits light that prevents reflection of light incident on the one surface on the one surface.
- the cleaning kit is used for cleaning a concave portion that is a region between adjacent convex portions among the plurality of convex portions, and the region in which the dirt component adheres to the concave portion is described above.
- a cleaning kit having a cleaning tool for supplying the cleaning liquid and a wiping tool for wiping off the dirt component is provided.
- the wiping tool includes a removal liquid that is applied to a region where the cleaning liquid is applied, and a wiping material that wipes off the dirt component together with the removal liquid. It is good.
- the removal liquid may be an alcohol aqueous solution containing alcohol as the polar solvent.
- the wiping material may be a fiber sheet, and the fiber sheet may not include fibers having a diameter of 20 ⁇ m or more and may include fibers having a diameter of 7 ⁇ m or less.
- a cleaning liquid capable of satisfactorily cleaning dirt adhering to a fine uneven shape whose period is controlled to be equal to or less than the wavelength of visible light.
- a cleaning tool and a cleaning kit that can cleanly remove dirt adhering to a fine concavo-convex shape that includes such a cleaning liquid and whose period is controlled to be equal to or less than the wavelength of visible light.
- FIG. 10B is a cross-sectional view of the cleaning tool taken along line BB in FIG. 10A according to the ninth embodiment of the present invention. It is an electron micrograph which shows the antireflection structure before washing
- FIG. 1A and 1B are explanatory views of an antireflection structure that is an object to be cleaned of the cleaning liquid according to the first embodiment of the present invention.
- the antireflection structure has an antireflection structure and is bonded to the light on the bonding surface. It is explanatory drawing of the antireflection material which is a sheet-like member which prevents reflection.
- FIG. 1A is a schematic sectional view of an antireflection material
- FIG. 1B is an electron micrograph of the surface of the antireflection material shown as an example.
- the antireflection material 1 is a light transmissive member including a base material 2 and a plurality of convex portions 3 formed on one surface.
- the antireflection material 1 is formed using a light-transmitting material. If a desired shape can be formed, the forming material may be an organic material or an inorganic material.
- the antireflection material 1 is manufactured by, for example, a so-called nanoimprint technique in which an ultraviolet curable resin material is applied to the surface of a mold having a corresponding shape and cured by irradiation with ultraviolet light to transfer the shape of the mold. Is preferred. In that case, an ultraviolet curable acrylic resin can be suitably used as a material for forming the antireflection material 1.
- the plurality of convex portions 3 are formed on one surface of the substrate 2 with a period equal to or shorter than the wavelength of the visible light region.
- the uneven shape formed by the plurality of convex portions 3 corresponds to the “antireflection structure” in the present invention.
- the antireflection material 1 on which such convex portions 3 are formed diffraction occurs when light enters the surface (one surface) on which the convex portions 3 are formed.
- the period of the convex portion 3 to be equal to or less than the wavelength of the visible light region, the reflection diffraction and the transmission diffraction when the absolute value of the diffraction order is 1 or more ( ⁇ first order light, ⁇ second order light,...) Are reduced. It is possible to selectively generate zero-order light (straight-forward light).
- the direction in which the convex portion 3 moves away from the base material 2 is defined as the “height direction”, and the length of the convex portion 3 in the height direction is defined as the “height” of the convex portion 3.
- the length of the protrusion 3 in the width direction is the “width” of the protrusion 3
- the width of the protrusion 3 decreases in the height direction.
- the structure which is a cone-shaped body can be illustrated, for example, cone-shaped whose height is 100 nm or more and 600 nm or less, and the maximum value of the bottom face width in a plan view is 100 nm or more and 600 nm or less. It is preferable that it is a body.
- the “maximum value of the width of the bottom surface in a plan view” is the distance between the parallel lines (the bottom surface of the bottom surface) when assuming two parallel lines in contact with the bottom surface when the convex portion 3 is viewed in a plan view. This is the value when the width is maximum. For example, this value corresponds to the diameter of the bottom surface when the convex portion 3 is conical, and corresponds to the length of the diagonal line of the bottom surface when the convex portion 3 is a pyramid (a square pyramid having a square bottom surface).
- the bottom surface of the convex portion 3 the surface drawn by the whole straight line perpendicular to the bottom surface passing through each point on the edge of the bottom surface, and the surface parallel to the bottom surface at the highest height position of the convex portion 3
- a columnar solid surrounded by hereinafter referred to as a virtual columnar object
- the volume ratio between the convex portion 3 and other than the convex portion 3 (air) varies depending on the height position. Therefore, the refractive index of the virtual columnar object changes in the height direction of the convex portion 3.
- the antireflection material 1 it is possible to prevent reflection (generation of reflected light RL) that leads to a decrease in visibility of incident light L in a wide wavelength range, and selectively generate transmitted light TL. Can be made.
- the antireflection material 1 having such a configuration, as described above, since the reflection of incident light is prevented based on the change in the refractive index of the virtual columnar object, dirt adheres around the convex portion 3 and is refracted. When the rate boundary appears, it becomes difficult to obtain the designed characteristics. Therefore, when the surface (one surface) on which the convex portion 3 is formed in the antireflection material 1 is dirty, the surface to which the dirt is attached is washed in order to maintain the performance, which causes the stain. It is necessary to remove the material.
- FIG. 2A and 2B are electron micrographs of dirt adhered on the antireflection structure of the antireflection material.
- FIG. 2A is an enlarged photograph showing the dirt adhering to the surface of the antireflection structure.
- dirt sebum dirt adhered when a surface on which a plurality of convex portions are formed in the antireflection structure is touched with a bare hand is shown.
- the sebum dirt indicated by symbol A in the figure is attached in a film shape so as to cover the vertices of the plurality of convex portions. For this reason, if the cause of the dirt adheres to the surface of the antireflection structure, such as sebum dirt, it is considered that the dirt can be removed by wiping the surface of the antireflection structure.
- FIG. 2B is an enlarged photograph showing the dirt adhering to a region (hereinafter referred to as a concave portion) between adjacent convex portions in the antireflection structure, and a surface on which a plurality of convex portions are formed in the antireflection structure. It is the cross-sectional photograph which copied the stain
- the saliva stain shown by the symbol B surrounded by a broken line is attached to the deepest part of the recess.
- the formation period of the projections that is, the width of the depressions is equal to or less than the wavelength of the visible light region, and in the antireflection structure shown in FIG. 2B, the period P is about 200 nm.
- the antireflection structure is cleaned using a cleaning liquid usually used for a display surface of a display device used for a television or a mobile phone, a showcase or a show window. And even if it is going to remove the dirt of a crevice as shown in Drawing 2B, it cannot wash effectively.
- silk which is generally called ultrafine fiber, has a fiber diameter of about 2 ⁇ m and is too thick compared to the width of the recess, so that the fiber does not enter the recess and the soil is removed by physical contact with the soil. This is because they cannot.
- the cleaning liquid of this embodiment is a cleaning liquid used when cleaning the concave portions of the antireflection structure described above, and has a pH of 10.00 or more.
- hydroxide ions are smaller than the width of the recess, so it easily penetrates into the recess and partially decomposes the dirt to achieve good dirt removal and washing. It has become.
- the pH of the cleaning liquid is preferably 13.00 or less in order to prevent deterioration of the convex portions constituting the antireflection structure, and it is possible to realize a high cleaning effect and to suppress deterioration of the convex portions constituting the antireflection structure.
- it is more preferably 11.40 or more and 12.00 or less.
- the pH of the cleaning liquid is also preferably 10.70 or more and 11.10 or less. When the pH is 10.70 or more, the cleaning effect is high. Moreover, deterioration of the resin component which comprises an antireflection structure can be suppressed as pH is 11.10 or less.
- the cleaning agent can use an organic solvent such as an alcohol as a solvent.
- an organic solvent such as an alcohol
- water is used as a solvent, and a water-soluble basic substance and water that dissolves the basic substance are used. It is preferable to make it the aqueous solution containing.
- organic salts and inorganic salts can be used as the basic substance.
- Alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, sodium carbonate, sodium percarbonate, potassium carbonate, sodium sesquicarbonate, etc.
- alkanolamines such as methanolamine and ethanolamine can also be used as the basic substance. These may be used alone or in combination of two or more.
- the washing solution is preferably a buffer solution containing a buffer. Since the cleaning liquid of this embodiment is alkaline, it may absorb carbon dioxide in the air and lower the pH. However, such a fluctuation in pH can be suppressed by including a buffer. .
- a buffering agent a conventionally known buffering agent can be appropriately selected according to the set pH of the cleaning agent. For example, a known buffer solution such as an S ⁇ rensen buffer solution or a Kolthoff buffer solution may be included.
- a viscosity adjusting agent for adjusting the viscosity may be appropriately added to the cleaning liquid in order to prevent dripping.
- a surfactant an organic solvent, a fragrance, and the like may be added to the cleaning liquid as long as the effects of the invention are not impaired.
- a nonionic surfactant or an anionic surfactant can be used as the surfactant.
- a surfactant By adding a surfactant to the cleaning liquid, the cleaning effect can be enhanced.
- Nonionic surfactants include ethylene oxide-propylene oxide block copolymer, polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, higher fatty acid alkanolamide, polyoxypropylene alkyl ether, polyoxyalkylene alkyl ether, sucrose fatty acid Esters, higher fatty acid alkanolamides, tertiary amine oxides, and the like can be used.
- the concentration of the nonionic surfactant is preferably from 0.1% by mass to 10% by mass, and more preferably from 1.0% by mass to 5.0% by mass.
- concentration of the nonionic surfactant is 0.1% by mass or more, the cleaning performance of the cleaning liquid is high, and the dirt can be sufficiently wiped off.
- concentration is 10% by mass or less, foaming of the cleaning liquid is suppressed, and dirt hardly adheres during wiping.
- a monoalkyl phosphate phosphate salt, sodium dodecyl sulfate, or the like can be used.
- the nonionic surfactant and the anionic surfactant may be used alone or in combination of two or more.
- the cleaning liquid contains a salt that suppresses polyvalent metal ion activity within a range not impairing the effects of the invention.
- a salt that suppresses polyvalent metal ion activity within a range not impairing the effects of the invention.
- a salt that suppresses polyvalent metal ion activity within a range not impairing the effects of the invention.
- Examples of such salts include phosphates and silicates, and one or a mixture of two or more can be used.
- the cleaning liquid having the above-described configuration it is possible to provide a cleaning liquid that can satisfactorily clean dirt adhering to a fine uneven shape whose period is controlled to be equal to or less than the wavelength of visible light.
- This cleaning liquid can be applied to a dirty region of the antireflection structure to penetrate into the recesses of the antireflection structure and clean the recesses.
- the cleaning liquid after cleaning may be wiped off with dirt using a cloth material, for example.
- a removal liquid (described later) for removing the cleaning liquid and wipe the area where the cleaning liquid is applied with the removal liquid.
- the cleaning liquid When cleaning with a cleaning liquid, in order to ensure the time for the cleaning liquid to penetrate into the deepest part of the recess of the antireflection structure, the cleaning liquid is not wiped immediately after the cleaning liquid is applied, but for example, about 5 minutes after the cleaning liquid is applied. It is good to wipe it off after leaving. Thereby, the effect of the cleaning using the cleaning liquid can be enhanced.
- the cleaning at a temperature higher than room temperature, and a temperature of about 40 ° C. is preferable.
- room temperature a temperature of about 40 ° C.
- it may be cleaned using a cleaning liquid heated to about 40 ° C. in advance.
- the cleaning of the antireflection structure included in such a display device is preferably performed while the display surface is heated to a temperature higher than room temperature, such as during driving or immediately after stopping.
- the antireflection structure When the antireflection structure is formed on the display surface of a display device used in a television or a mobile phone, a showcase, a show window, etc., these antireflection structures may become dirty and the antireflection effect may be reduced. However, by applying the cleaning liquid to the dirty region of the antireflection structure and washing it, the stain can be suitably removed, and the antireflection effect can be maintained. In addition, even when the surface of the antireflection structure becomes dirty during storage or transfer of a structure having an antireflection structure such as the above-described antireflection material, the antireflection structure is formed using the cleaning liquid of this embodiment. Can be washed.
- the cleaning liquid of the present embodiment for example, in the manufacturing process of a display device in which an antireflection structure is formed on the display surface, when an antireflection material is bonded to the display surface, By cleaning the antireflection material after the combination, a high-quality display device in which the reflection on the display surface is suppressed can be manufactured.
- the cleaning tool of this embodiment includes the above-described cleaning liquid and a sheet-like base material impregnated with the cleaning liquid.
- the cleaning tool of the present embodiment includes the above-described cleaning liquid, a container main body having an opening for storing the cleaning liquid and discharging the cleaning liquid, and an application provided so as to cover the opening and discharge the cleaning liquid. And a container having a member.
- the cleaning tool configured as described above, it is possible to satisfactorily clean the dirt adhering to the fine uneven shape whose period is controlled to be equal to or less than the wavelength of visible light.
- the cleaning kit of the present embodiment includes a cleaning tool that supplies the above-described cleaning liquid and a wiping tool that wipes off dirt components attached to the antireflection structure.
- the cleaning tool As the cleaning tool, the cleaning tool described in detail after the second embodiment may be used.
- the cleaning liquid is stored in the container, and the user uses the cloth material or the like to supply the cleaning liquid from the container to a desired region.
- the structure which supplies may be sufficient.
- the wiping tool examples include a removal liquid that contains a polar solvent and is applied to a region where the cleaning liquid is applied, and a wiping material that wipes off the dirt component together with the removal liquid.
- the removal liquid and the wiping material will be described later.
- the cleaning kit having the above-described configuration, it is possible to satisfactorily clean the dirt adhering to the fine concavo-convex shape whose period is controlled to the wavelength of visible light or less.
- FIGSecond Embodiment] 3A and 3B are schematic views showing a cleaning tool according to a second embodiment of the present invention.
- the cleaning tool 100 of the present embodiment includes a first container 110 that stores the above-described cleaning liquid S1 according to the present invention, and a second container 120 that stores a removing liquid S2 for removing the cleaning liquid S1.
- 3A is a partial cross-sectional view of the first container 110
- FIG. 3B is a partial cross-sectional view of the second container 120.
- the first container 110 covers the bottomed cylindrical container body 111 having the opening 111a for containing the cleaning liquid S1 and discharging the cleaning liquid S1, and the opening 111a to allow the cleaning liquid S1 to pass therethrough. And an applicator member 112 that can be discharged.
- the application member 112 has an application part 113 provided so that the cleaning liquid S1 can pass therethrough, and a holder 114 that holds the application part 113 in the container body 111.
- a male screw 111b is formed outside the opening 111a of the container main body 111, and a female screw 114a is formed inside the holder 114.
- the holder 114 is screwed to the opening 111a of the container main body.
- a holding part 114b is formed on one end side of the holding tool 114 so as to protrude in the center direction from the other end side, and the application part 113 is held by the holding part 114b.
- the application unit 113 may be bonded to the holding unit 114b, and the periphery of the application unit 113 may be fixed by being sandwiched between the holding unit 114b and the end of the container body 111.
- the container body 111 can be made of either an organic material (resin material) or an inorganic material as long as it is a material that is not deteriorated by the alkaline cleaning liquid S1. Further, the container body 111 may be light transmissive or opaque, but preferably has a light transmissive property capable of confirming the remaining amount of the cleaning liquid S1 inside.
- any resin material having alkali resistance can be appropriately selected from various known materials.
- the inorganic material for example, glass can be used.
- the application part 113 is formed using a porous material made of resin, such as a sponge-like material having a plurality of holes communicating with each other inside, or a laminate of nonwoven fabrics.
- the portion sandwiched between the container main body 111 and the holder 114 in the application unit 113 may be appropriately waterproofed to prevent the cleaning liquid S1 from passing therethrough.
- the first container 110 has a cover material (not shown) that covers the application unit 113 and prevents the application unit 113 from drying.
- the cleaning liquid S ⁇ b> 1 inside the container main body 111 permeates the application part 113 when the application part 113 side is set downward.
- the cleaning liquid S1 can be applied without touching the alkaline cleaning liquid S1 by bringing the application unit 113 into contact with the dirty region of the antireflection structure that is the application surface.
- the second container 120 accommodates the removal liquid S2 and has a container body 121 having an opening 121a for discharging the removal liquid S2, covers the opening 121a, passes the removal liquid S2, and is discharged. And an applicator member 122 provided as possible.
- the application member 122 includes a cap 123 provided in the opening 121a of the container main body 121, a spray head 124 provided at the upper end of the cap, and a removal liquid S2 connected to the spray head 124 and stored in the container main body 121. And an inner tube 125 having a tip immersed therein.
- a male screw 121b is formed outside the opening 121a of the container main body 121
- a female screw 123a is formed inside the cap 123
- the cap 123 is screwed to the opening 121a of the container main body.
- the spray head 124 is generally known in that the upper end of the spray head 124 is pressed to spray the removal liquid S2 from the nozzle 124a, and when the pressed spray head 124 is lifted, the removal liquid S2 is sucked into the inner tube 125.
- the thing of the structure comprised can be used.
- a polar solvent can be used, and pure water, alcohols such as ethanol, propanol, and isopropyl alcohol, acetone, and a mixture thereof can be used.
- alcohols such as ethanol, propanol, and isopropyl alcohol, acetone, and a mixture thereof can be used.
- an alcohol aqueous solution is preferable as the removing liquid S2.
- the second container 120 has a cover material (not shown) that covers the spray head 124 and prevents the nozzle 124a from drying.
- the cleaning tool 100 may include a dedicated wiping material for wiping the cleaning liquid S1 and the removal liquid S2.
- a cloth material (fiber sheet) woven with ultrafine fibers is used so that the fine convex portions of the antireflection structure are not damaged when wiping the cleaning liquid S1 and the removing liquid S2. It can be used suitably.
- the fiber sheet may be a woven fabric or a non-woven fabric. Moreover, as a super extra fine fiber, what does not contain the fiber whose diameter is 20 micrometers or more, and contains a fiber whose diameter is 7 micrometers or less is good.
- ultra-fine fibers include “Berryma X”, “Zavina MX”, “Zavina CK” manufactured by KB Seiren, “Nanocross” manufactured by Teijin Fibers, and “Toraysee” manufactured by Toray Industries, Inc. Can do.
- the user first applies the cleaning liquid S1 to the soiled area of the antireflection structure, which is the surface to be coated, and wipes it off using the first container 110.
- the prevention structure can be cleaned.
- the removal liquid S2 is sprayed and wiped over a wider area including the area where the cleaning liquid S1 is applied or the area where the cleaning liquid S1 is applied, so that the cleaning liquid S1 does not remain in the antireflection structure, and the antireflection structure by the cleaning liquid S1 Can be prevented.
- FIGS. 4A and 4B are schematic views showing a cleaning tool according to a third embodiment of the present invention.
- the cleaning tool 200 of the third embodiment is partially in common with the cleaning tool of the second embodiment, and the shape of the container body of the first container that stores the cleaning liquid is different. Therefore, in this embodiment, the same code
- FIG. 4A is a schematic perspective view of the first container 210 included in the cleaning tool 200 of the present embodiment
- FIG. 4B is a schematic diagram showing the cleaning tool 200 of the present embodiment.
- the first container 210 contains a cleaning liquid and has a container body 211 having an opening for discharging the cleaning liquid, and an application member 212 that covers the opening and allows the cleaning liquid to pass therethrough. And.
- the application member 212 is provided on the side surface of the container body 211, and a through hole 213 is provided in the vicinity of the center of the container body 211 in plan view.
- the through-hole 213 shown in the figure has a shape in which two cylinders having different diameters communicate with each other so that the upper side becomes smaller.
- the cleaning tool 200 is configured such that the second container 120 can be fitted into the through-hole 213 of the first container 210 and integrated. This makes it possible to place the cleaning tool in a small area when displaying it at a store or when storing the cleaning tool 200 after use.
- a female screw and a male screw are provided inside the through hole 213 and outside the second container 120 at positions where the through hole 213 is fitted, and the first container 210 and the second container 120 are screwed together. It is good as well.
- a concave or convex portion is provided inside the through hole 213, and is fitted to the concave or convex portion provided inside the through hole 213 at a position outside the second container 120 and fitted to the through hole 213. It is good also as fixing the 1st container 210 to the 2nd container 120 by providing the convex part or recessed part to perform and fitting these recessed parts and convex parts.
- the user can appropriately clean the antireflection structure and further suppress the remaining of the cleaning liquid S1. Further, the first container 210 and the second container 120 can be stored together even in a narrow storage place.
- FIG. 5 is a schematic view showing a cleaning tool according to the fourth embodiment of the present invention, and is a partial cross-sectional view of the first container 310 included in the cleaning tool 300 of the present embodiment.
- the cleaning tool 300 of the fourth embodiment is partly in common with the cleaning tool of the second embodiment, and the shape of the application member of the first container that stores the cleaning liquid is different.
- the second container of the cleaning tool 300 the second container 120 shown in the second embodiment can be used.
- the first container 310 contains the cleaning liquid S1 and has a container body 311 having an opening 311a for discharging the cleaning liquid S1, covers the opening 311a, and allows the cleaning liquid S1 to pass therethrough and be discharged.
- the application member 312 is a tubular member having a width that gradually decreases toward the side opposite to the container body 311 and having a discharge port 312a at the tip. It should be noted that a mechanism for preventing dripping from the discharge port 312a when the first container 310 is held with the application member 312 side down is preferably provided inside the application member 312.
- a female screw 312b is formed on the inner side of the coating member 312 on the container main body 311 side, and is screwed to a male screw 311b formed on the outer side of the opening 311a of the container main body 311.
- the container body 311 is formed using an organic material (resin material), is deformed by pressing the side portion 311c, and can pressurize the internal space 311x.
- the first container 310 has a cover material (not shown) that covers the coating member 312 and prevents evaporation of the cleaning liquid S1.
- the user discharges the cleaning liquid S1 inside the container body 311 from the discharge port 312a by pressing the container body 311 with the application member 312 side down, It is possible to make contact with the soiled area of the antireflection structure that is the application surface (apply the cleaning liquid S1), and it is possible to clean the antireflection structure.
- FIG. 6 is a schematic view showing a cleaning tool according to the fifth embodiment of the present invention, and is a partial cross-sectional view of the first container 410 included in the cleaning tool 400 of the present embodiment.
- the cleaning tool 400 of the fifth embodiment is partially in common with the cleaning tool of the second embodiment, and the shape of the first container that stores the cleaning liquid is different.
- the second container of the cleaning tool 400 the second container 120 shown in the second embodiment can be used.
- the first container 410 includes a bottomed cylindrical container body 411 in which the cleaning liquid S1 is accommodated, and an application member 412 that covers the opening 411a provided in the container body 411 and is detachably mounted. .
- the coating member 412 includes a cap 413 that covers the opening 411 a and is detachably mounted, a shaft 414 that protrudes from the cap 413 mounted on the opening 411 a toward the bottom of the container body 411, and a shaft 414. And a brush-like application portion 415 provided at the tip.
- the cap 413 is screwed using a male screw (not shown) formed outside the opening 411a of the container body 411 and a female screw (not shown) formed inside the cap 413.
- the coating member 412 is detached from the opening 411a by rotating around the rotation axis set along the shaft 414 in one direction, and is mounted so as to cover the opening 411a by rotating in the other direction. Is done.
- the user applies the cleaning liquid S1 impregnated in the application unit 415 to a dirty region of the antireflection structure that is the surface to be applied, and wipes off appropriately. Can be washed.
- FIG. 7 is a partial cross-sectional view of a cleaning tool 500 according to the sixth embodiment of the present invention.
- the cleaning tool 500 of the present embodiment stores the cleaning liquid S1, stores the first container 510 that can apply the cleaning liquid S1 at a desired position, and the removal liquid S2, and removes it at the desired position.
- the second container 520 that can apply the liquid S ⁇ b> 2 is integrally connected via a connecting member 530.
- the first container 510 includes a cartridge (container main body) 511 that stores the cleaning liquid S1, and an application member 512 that is connected to the cartridge 511 and that can be discharged through the cleaning liquid S1 in the cartridge 511. Yes. In the connection portion between the cartridge 511 and the application member 512, an opening 511a for discharging the cleaning liquid S1 is formed in the cartridge 511.
- the application member 512 includes a connection member 513 to which the cartridge 511 is connected, an application part 514 provided on the opposite side of the connection member 513 to the side to which the cartridge 511 is connected, and a protective material 515 that covers the periphery of the application part 514. And a cylindrical housing 516 that accommodates these components.
- the connecting member 513 is a plate-like member provided with a through-hole 513a and having a protrusion 513b projecting toward the cartridge 511 around the through-hole 513a.
- the protrusion 513b is inserted into the opening 511a of the cartridge 511, and the cartridge 511 and the connection member 513 are connected.
- the cleaning liquid S1 in the cartridge 511 is supplied to the application unit 514 through the through hole 513a.
- Application portion 514 is a columnar member formed using a porous material made of a resin, such as a sponge-like material having a plurality of holes communicating with each other, or a laminate of nonwoven fabrics.
- One end of the application part 514 is connected to the connection member 513, and the tip part 514a which is the other end is exposed to the outside of the cleaning tool 500 to form a pen tip.
- the cleaning liquid S1 supplied to the application unit 514 is applied to this region by impregnating the application unit 514 and bringing the tip portion 514a into contact with the soiled region of the antireflection structure that is the application surface.
- the protective material 515 is a member that covers the side surface of the application unit 514 and suppresses the contact of the cleaning liquid S1 with the housing 516 and the drying of the application unit 514 due to evaporation of the cleaning liquid S1.
- the housing 516 has a male screw 516a formed outside the end on the connecting member 530 side, and is screwed to a female screw 531a formed on the connecting member 530.
- the cartridge 511 can be replaced by loosening the screwing portion between the housing 516 and the connecting member 530 and removing the first container 510.
- the second container 520 includes a cartridge 521 that stores the removal liquid S2, and an application member 522 that is connected to the cartridge 521 and that can be discharged through the removal liquid S2 in the cartridge 521. Yes. At the connection portion between the cartridge 521 and the coating member 522, an opening 521a for discharging the removal liquid S2 is formed in the cartridge 521.
- the application member 522 includes a connection member 523 to which the cartridge 521 is connected, an application part 524 provided on the opposite side of the connection member 523 to the side to which the cartridge 521 is connected, and a protective material 525 that covers the periphery of the application part 524. And a cylindrical housing 526 that accommodates each of these components.
- the connecting member 523 is a plate-like member in which a through hole 523a and a protrusion 523b that protrudes toward the cartridge 521 around the through hole 523a are formed.
- the cartridge 521 and the connection member 523 are connected in the same manner as the connection member 513 described above, and the removal liquid S2 in the cartridge 521 is supplied to the application unit 524 through the through hole 523a.
- the application part 524 is a columnar member formed using the same material as the application part 514. One end of the application part 524 is connected to the connection member 523, and the tip part 524a which is the other end is exposed to the outside of the cleaning tool 500 to form a pen tip.
- the removing liquid S2 supplied to the application unit 524 is impregnated in the application unit 524, and is applied to a desired position by bringing the tip 524a into contact therewith.
- the protective material 525 is a member that covers the side surface of the application unit 524, and suppresses contact of the cleaning liquid S1 with the casing 526 and drying of the application unit 524 due to evaporation of the cleaning liquid S1.
- the housing 526 has a male screw 526 a formed outside the end on the connecting member 530 side, and is screwed to a female screw 531 a formed on the connecting member 530.
- the cartridge 521 can be replaced by loosening the part and removing the second container 520.
- the cleaning tool 500 includes a cover material (not shown) that covers the coating members 512 and 522 and prevents the tip portions 514a and 524a from drying.
- the cleaning tool 500 having such a configuration, the user applies the cleaning liquid S1 impregnated in the application unit 514 to the dirty area of the antireflection structure that is the application surface, and wipes it off as appropriate. Can be washed.
- the first container 510 that stores the cleaning liquid S1 and the second container 520 that stores the removal liquid S2 are integrally connected. Therefore, the cleaning tool 500 is easy to carry and improves workability.
- FIG. 8 is a partial sectional view of a cleaning tool 600 according to the seventh embodiment of the present invention.
- the cleaning tool 600 of the present embodiment includes a first container 610 that accommodates the cleaning liquid S1 and can apply the cleaning liquid S1 to a desired position, and a second container 520 of the sixth embodiment. It is the structure connected integrally through the connection member 530.
- the first container 610 of the present embodiment includes a container main body 611 that stores the cleaning liquid S1, and an application member 612 that is connected to the container main body 611 so as to allow the cleaning liquid S1 in the container main body 611 to pass therethrough and be discharged. is doing.
- first container 610 of the present embodiment two liquids (a first liquid S1a and a second liquid S1b) that can prepare the cleaning liquid S1 by mixing are contained, and the first liquid is applied before the cleaning liquid S1 is applied.
- the cleaning liquid S1 is prepared by mixing the S1a and the second liquid S1b in the first container 610.
- the container body 611 is connected to a first cartridge 611a that contains the first liquid S1a, a second cartridge 611b that contains the second liquid S1b, and the first cartridge S611 and the second cartridge 611b. And a tank 611c in which the second liquid S1b is mixed.
- the application member 612 includes an application unit 614 provided on the opposite side of the tank 611c to the side to which the first cartridge 611a and the second cartridge 611b are connected, a protective material 615 that covers the periphery of the application unit 614, and each of these. And a cylindrical housing 616 for housing the structure. A tank 611c is also accommodated in the housing 616. In the tank 611c, an opening (not shown) is formed at a connection portion between the tank 611c and the application unit 614.
- the application part 614 and the protective material 615 can employ the same configuration as the application part 514 and the protective material 515 of the sixth embodiment.
- the housing 616 has a male screw 616a formed outside the end on the connecting member 530 side, and is screwed to a female screw 531a formed on the connecting member 530.
- the first container 610 is removed by loosening the screwing portions of the housing 616 and the connecting member 530, The first cartridge 611a or the second cartridge 611b can be replaced.
- the housing 616, the first cartridge 611a, and the second cartridge 611b are formed using an organic material (resin material), and are deformed by pressing the side portion 616b, so that the first cartridge 611a and the second cartridge 611b inside are deformed. Pressurization is possible.
- the first cartridge 611a and the second cartridge 611b are pressed and deformed, and the first liquid S1a in the first cartridge 611a and the second liquid S1b in the second cartridge 611b are respectively changed to the tank 611c.
- the first liquid S1a and the second liquid S1b can be appropriately mixed in the tank 611c to prepare the cleaning liquid S1.
- first liquid S1a and the second liquid S1b for example, a combination in which the first liquid S1a is a sodium hypochlorite aqueous solution and the second liquid S1b is a potassium bromide aqueous solution can be used.
- the cleaning tool 600 has a cover material (not shown) that covers the application member 612 and prevents the tip portion 614a from drying.
- the cleaning tool 600 having such a configuration, the user applies the cleaning liquid S1 impregnated in the application unit 614 to a dirty region of the antireflection structure, which is the application surface, and wipes it off as appropriate. Can be washed.
- the first container 610 that stores the cleaning liquid S1 and the second container 620 that stores the removal liquid S2 are integrally connected to each other. Therefore, the cleaning tool 600 is easy to carry and improves workability.
- the cleaning liquid S1 is prepared at the time of use, so that a sufficient cleaning effect can be obtained.
- FIGS. 9A to 9C are schematic views showing a cleaning tool according to the eighth embodiment of the present invention.
- 9A is a perspective view of the cleaning tool 700 of the present embodiment
- FIG. 9B is a cross-sectional view of the cleaning tool 700 taken along line AA in FIG. 9A
- FIG. 9C is an example of the storage state of the cleaning tool 700 It is a perspective view shown.
- the cleaning tool 700 includes the above-described cleaning liquid, a sheet-like base material 710 impregnated with the cleaning liquid, and a holding film 720 that holds the base material 710.
- a peeling film 730 that sandwiches the base material 710 between the cleaning tool 700 and the holding film 720 is further bonded.
- the base material 710 is a sheet-like member formed using a porous material made of a resin such as a sponge-like material having a plurality of pores communicating with each other or a laminate of non-woven fabrics. Is impregnated.
- the holding film 720 is for holding the base material 710 and for facilitating the handling of the base material 710 so that the user does not touch the alkaline cleaning liquid directly.
- the release film 730 suppresses evaporation and deterioration of the cleaning liquid during storage by sandwiching the base 710 with the holding film 720, and exposes the base 710 when the cleaning tool 700 is used. It is peeled off and removed.
- the holding film 720 and the release film 730 have tongues 721 and 731 for facilitating the release of the release film 730 at the periphery and project outward.
- the tongue portion 721 and the tongue portion 731 overlap in a plane.
- such a cleaning tool 700 is a laminated body 740 in which a plurality of cleaning tools 700 are stacked, and may be stored in a storage container 750 having an openable / closable lid 751. .
- the cleaning tool 700 having such a configuration, the user peels and removes the release film 730 during use, and the exposed base material 710 together with the holding film 720 has an antireflection structure that is a surface to which the cleaning liquid is applied. Affix to dirty area. Thereby, it becomes easy to bring the cleaning liquid into contact with the dirty region of the antireflection structure for a long time.
- the surface of the antireflection structure is vertical even if the cleaning liquid is applied to the antireflection structure. Therefore, it is difficult to spread the cleaning liquid to the deep part of the fine recess of the antireflection structure.
- the cleaning tool 700 when used, it becomes easy to spread the cleaning liquid to the deep part of the concave portion of the antireflection structure, and effective cleaning can be performed by wiping the cleaning liquid.
- the second container 120 shown in the second embodiment is used, and the removal liquid is appropriately applied to the position where the cleaning tool 700 is pasted, and the remaining cleaning liquid is wiped off. Good.
- FIG. 10A and 10B are schematic views showing a cleaning tool according to the ninth embodiment of the present invention.
- FIG. 10A is a perspective view of the cleaning tool 800 of the present embodiment
- FIG. 10B is a cross-sectional view of the cleaning tool 800 taken along line BB in FIG. 10A.
- the cleaning tool 800 covers the bottomed cylindrical container body 801 having the opening 801a for containing the cleaning liquid S1 and discharging the cleaning liquid S1, and the opening 801a. And an application member 802 that can be discharged and passed.
- the application member 802 includes an application unit 803 provided so that the cleaning liquid S1 can pass therethrough, and a holder 804 that holds the application unit 803 in the container body 801.
- a male screw 801b is formed outside the opening 801a of the container body 801, and a female screw 804a is formed inside the holder 804.
- the holder 804 is screwed to the opening 801a of the container body.
- the coating unit 803 includes a net member 811, a spring 812, a push-up unit 813, a net member 814, and an application unit 815 in this order from the container body 801 side.
- the application unit 803 having these is housed in the holder 804.
- the push-up portion 813 includes a plate material 813a disposed on the spring 812 and a shaft portion 812b protruding upward from the plate material 812a.
- the shaft portion 812b protrudes from the gap between the mesh members 814 until it contacts the application portion 815, and the push-up portion 813 is pushed upward by the spring 812, so that the tip of the shaft portion 812b pushes up the application portion 815.
- the rise of the plate material 813a is restricted by the net material 814, and an upper limit position is set.
- the coating unit 815 includes the above-described cleaning liquid, a sheet-like base material 815a impregnated with the cleaning liquid, and a net-like or porous holding sheet 815b that holds the base material 815a.
- the base material 815a is formed using the same forming material as that of the base material 710 described above. Thereby, the cleaning liquid S1 impregnates the base material 815a through the holding sheet 815b. Further, the holding sheet 815b is formed with a tongue 815c at the peripheral edge and protrudes outward from the holder 804.
- a plurality of application units 815 are stacked so that the base material 815 a of the uppermost application unit 815 is exposed to the outside, and the holding sheet 815 b of the lowermost application unit 815 is a push-up unit 813. It is pushed up from the top.
- a holding portion 804b is formed on the upper end side of the holder 804 so as to project in the center direction.
- the applicator 815 is pushed up by the push-up part 813, whereby the peripheral part of the applicator 815 is pressed against the holding part 804b and fixed.
- the user applies the cleaning liquid S1 to the soiled region of the antireflection structure, which is the surface to be coated, and wipes off the antireflection structure by using the cleaning tool 800. Can be washed.
- the base material 815a of the application part 815 is soiled, the base part 815a of the new application part 815 can be exposed to the outside by peeling the application part 815 with the tongue 815c, and the cleaning operation is ensured Can be done.
- the second container 120 shown in the second embodiment may be used to appropriately apply the above-described removal liquid to the position where the cleaning liquid is applied and wipe off the remaining cleaning liquid.
- washing was evaluated by the following method to evaluate dirt removal.
- the pH of the cleaning solution used was a value measured using a pH meter (manufactured by Horiba, Ltd., model number D-51).
- the liquid temperature displayed on the pH meter was also adopted for the liquid temperature of the cleaning liquid at the time of measurement.
- evaluation method 1 Saliva was deposited on the evaluation sample 1, and allowed to stand at room temperature for 1 day or more to dry, and saliva stains were formed on the antireflection structure of the evaluation sample 1. Saliva penetrated into the recesses on the surface of the antireflection structure and dried to form saliva stains. Thereafter, the saliva stain on the sample was lightly rubbed with a cotton swab containing the cleaning solution 1 (stock solution of Progent (Menicon Co., Ltd., mixed solution of sodium hypochlorite and potassium bromide)), and the cleaning solution was applied.
- the cleaning solution 1 stock solution of Progent (Menicon Co., Ltd., mixed solution of sodium hypochlorite and potassium bromide)
- the cleaning liquid 1 remaining on the sample is wiped with a nonwoven fabric (Bencot (registered trademark) M-3II, manufactured by Asahi Kasei Co., Ltd.), and further wiped with a nonwoven fabric soaked in water to clean the antireflection film of the evaluation sample 1. went.
- the application of the cleaning liquid 1, wiping with a non-woven fabric, and wiping with a non-woven fabric soaked with water are performed once, and if the dirt cannot be removed by one cleaning, the cleaning is repeated up to 5 times. It was. After the washing, the change in the degree of dirt before and after washing was visually evaluated for the portion where the saliva dirt was adhered.
- Example 2 Evaluation was carried out in the same manner as in Example 1 except that the cleaning liquid 2 (0.5% by mass aqueous solution of alkaline wash (manufactured by Shionogi Corporation, sodium sesquicarbonate)) was used instead of the cleaning liquid 1.
- the cleaning liquid 2 (0.5% by mass aqueous solution of alkaline wash (manufactured by Shionogi Corporation, sodium sesquicarbonate)
- Example 3 Evaluation was conducted in the same manner as in Example 1 except that cleaning liquid 3 (0.7 mass% aqueous solution of Oxyclean (mixture of sodium percarbonate and sodium carbonate) manufactured by Orange Glow Co., Ltd.) was used instead of cleaning liquid 1. went.
- cleaning liquid 3 0.7 mass% aqueous solution of Oxyclean (mixture of sodium percarbonate and sodium carbonate) manufactured by Orange Glow Co., Ltd.
- Example 4 Evaluation was performed in the same manner as in Example 1 except that the cleaning solution 4 (an aqueous solution obtained by diluting a stock solution of Jpal (manufactured by Kureha Trading, sodium metasilicate solution) with 100 times volume of water) was used instead of the cleaning solution 1. went.
- the cleaning solution 4 an aqueous solution obtained by diluting a stock solution of Jpal (manufactured by Kureha Trading, sodium metasilicate solution) with 100 times volume of water
- Example 1 Evaluation was carried out in the same manner as in Example 1 except that cleaning liquid A (liquid crystal panel cleaning liquid for liquid crystal television AQUAS (mixed liquid of ethanol and pure water) was used instead of cleaning liquid 1) was used. Went.
- cleaning liquid A liquid crystal panel cleaning liquid for liquid crystal television AQUAS (mixed liquid of ethanol and pure water) was used instead of cleaning liquid 1.
- Example 5 (Evaluation Sample 2) An evaluation sample 2 was prepared by pasting an antireflection material similar to that of the evaluation sample 1 onto a colorless and transparent glass.
- Evaluation was performed in the same manner as “Evaluation Method 1” in Example 1 except that evaluation sample 2 was used instead of evaluation sample 1.
- Example 6 Evaluation was performed in the same manner as “Evaluation Method 1” in Example 2, except that evaluation sample 2 was used instead of evaluation sample 1.
- Example 7 Evaluation was performed in the same manner as “Evaluation Method 1” in Example 3 except that Evaluation Sample 2 was used instead of Evaluation Sample 1.
- Example 8 Evaluation was performed in the same manner as “Evaluation Method 1” in Example 4 except that Evaluation Sample 2 was used instead of Evaluation Sample 1.
- Evaluation results are shown in Table 2 below.
- Table 1 the result of the “evaluation method 1” is described in the column of “evaluation 1”. About the result of each evaluation, it was set as the description similar to the said Table 1.
- Examples 5 to 8 had a higher cleaning effect than that of Comparative Example 4, and saliva stains were well removed.
- the pH of the cleaning liquid exceeded 10.00, it was confirmed that dirt was removed, and the concave portions on the surface of the antireflection structure could be cleaned and removed.
- Example 9 (Evaluation Method 3) Prepare hair wax (PERFECT HOLD WAX, SHORT HAIR HARD, Mandom Co., Ltd.) thoroughly kneaded with bare hands, and attach it at several places so as not to overlap the above evaluation sample 1, and at least 1 day at room temperature A hair wax stain was formed on the antireflective structure of Evaluation Sample 3 by leaving it to dry.
- the non-woven fabric soaked with the cleaning liquid 5 (Xavina, manufactured by KB Seiren Co., Ltd.) was slowly wiped in one direction while applying the cleaning liquid 5 to the formed hair wax stain. The wiping with the nonwoven fabric soaked with the cleaning liquid 5 was repeated up to 5 times.
- the evaluation results are shown in Table 3 below.
- the evaluation criteria were as follows, unlike the evaluation in “1. Effect of pH of cleaning liquid 1”.
- ⁇ Wipe with a non-woven fabric soaked with cleaning liquid (hereinafter referred to as “wiping with cleaning liquid”) Completely no dirt within 2 times
- ⁇ Wipe with cleaning liquid 3-5 times to completely remove dirt
- ⁇ After the wiping with the cleaning liquid is performed 5 times, the outline of the dirt remains but a part of the outline is wiped off.
- X After the wiping with the cleaning liquid is performed 5 times, the dirt is removed. The outline of the remains clearly
- wiping was performed 5 times means that, when wiping with a removing liquid is performed, wiping with a removing liquid is performed after wiping with a cleaning liquid is performed 5 times. Is performed once, and when wiping with the removing liquid is not performed, it indicates that the wiping with the cleaning liquid is performed only five times.
- Example 9 had a higher cleaning effect than that of Comparative Example 5, and the hair wax stains were well removed, and the cleaning effect using the removing liquid 1 was confirmed. Further, as shown in the electron micrographs of FIGS. 11A and 11B, in Example 9, the hair wax attached to the antireflection structure before the cleaning (FIG. 11A) is removed after the cleaning (FIG. 11B). Confirmed that it has been.
- evaluation Sample 4 (Evaluation Sample 4) Instead of the antireflection material in the evaluation sample 3, an evaluation sample 4 was obtained by pasting a TAC film without a fine convex portion (antireflection structure) on a black acrylic plate.
- evaluation method 4 A surface hair wax stain of the evaluation sample 4 was formed in the same manner as the evaluation method 3 except that the evaluation sample 4 was used.
- the evaluation sample 4 was washed in the same manner as in Reference Example 1 except that the evaluation sample 4 on which hair wax stains were formed by the above-described method was used.
- hair wax stains attached to the flat surface can be removed only by wiping with the removing liquid (Reference Examples 3 and 4), but hair wax stains attached to the recesses on the surface of the antireflection structure are removed.
- the cleaning effect of using the cleaning solution and the removal solution together was confirmed.
- Washing solutions 8 to 13 Sodium carbonate was added to the washing solution 7 to adjust the concentration of the basic substance to the concentration shown in Table 5 below.
- Example 10 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 7 was used instead of the cleaning liquid 5.
- Example 11 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 8 was used instead of the cleaning liquid 5.
- Example 12 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 9 was used instead of the cleaning liquid 5.
- Example 13 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 10 was used instead of the cleaning liquid 5.
- Example 14 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 11 was used instead of the cleaning liquid 5.
- the pH of the cleaning solution is preferably 10.70 or more, for example.
- Example 15 The cleaning liquid 10 was put in a 10 cm square container, so that the antireflection structure of the evaluation sample 3 was immersed in the cleaning liquid, and left for 38 hours.
- a spectrophotometer manufactured by JASCO Corporation, model number V-560
- the color is a * and b * in the CIE 1976 (L * , a * , b * ) color space. It was measured.
- Example 16 The color of the evaluation sample 3 was measured in the same manner as in Example 15 except that the cleaning liquid 12 was used.
- Example 17 The color of the evaluation sample 3 was measured in the same manner as in Example 15 except that the cleaning liquid 13 was used.
- the pH of the cleaning liquid is preferably 11.10 or less, for example.
- Example 18 Effect of temperature of cleaning liquid>
- the evaluation sample 3 was washed in the same manner as in Example 9 using the washing liquid 5 cooled to 2 ° C. using ice water.
- Example 19 The evaluation sample 3 was cleaned in the same manner as in Example 9 using the cleaning solution 5 having the same temperature as the room temperature (17 ° C.).
- Example 20 Evaluation sample 3 was cleaned in the same manner as in Example 9 using cleaning solution 5 heated to 25 ° C. using a hot plate.
- Example 21 Evaluation sample 3 was cleaned in the same manner as in Example 9 using cleaning solution 5 heated to 40 ° C. using a hot plate.
- Example 22 Evaluation sample 3 was cleaned in the same manner as in Example 9 using cleaning solution 5 heated to 55 ° C. using a hot plate.
- Example 23 In the same manner as in Example 9, the evaluation sample 3 was washed.
- Example 24 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 12 was used instead of the cleaning liquid 5.
- Example 25 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 13 was used instead of the cleaning liquid 5.
- Example 26 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 14 was used instead of the cleaning liquid 5.
- Example 27 The evaluation sample 3 was cleaned in the same manner as in Example 9 except that the cleaning liquid 6 was used instead of the cleaning liquid 5.
- Example 28 Evaluation sample 3 was washed in the same manner as in Example 24.
- Wiping material 1 Xavina MX (manufactured by KB Seiren). Fibers of uniform thickness with a fiber diameter of 3 ⁇ m to 4 ⁇ m.
- Wiping material 2 Nanocloth (manufactured by Teijin Fibers). Fibers having a fiber diameter of 15 ⁇ m to 17 ⁇ m and fibers having a fiber diameter of 0.5 ⁇ m to 0.7 ⁇ m are bundled and mixed.
- Wiping material 3 Toraysee (Toray Industries, Inc.). A fiber having a fiber diameter of 15 ⁇ m and a fiber having a fiber diameter of 3 ⁇ m to 6 ⁇ m are bundled and mixed.
- Wiping material 4 Berryma X (manufactured by KB Seiren). Fibers having a fiber diameter of 5 ⁇ m to 6 ⁇ m are bundled to form a 1.5 mm square lump.
- Wiping material 5 cotton handkerchief (MILLION). Fibers having a fiber diameter of 10 ⁇ m to 15 ⁇ m are bundled to form a 0.5 mm square mesh.
- Wiping material 6 tissue paper (Kleenex, manufactured by Nippon Paper Crecia). Fibers having a fiber diameter of 5 ⁇ m to 20 ⁇ m are aggregated.
- Wiping material 7 alcohol wet tissue (Scotty, manufactured by Nippon Paper Crecia). Fibers having a fiber diameter of 6 ⁇ m to 30 ⁇ m are aggregated.
- each fiber wiping material was photographed with a scanning electron microscope (SEM, manufactured by Philips), and the “fiber diameter” measured using the obtained micrograph was adopted.
- evaluation method 5 Using a wiping material attached to a surface property measuring machine (Shinto Kagaku Co., Ltd., TRIBOGEAR TYPE: 14FW), rubbing the wiping material back and forth on the antireflection structure side of the evaluation sample 3, and rubbing the scratched part. The presence or absence was evaluated by visual evaluation.
- the evaluation conditions were as follows: load: 500 g, stroke: 30 mm, speed: 2400 mm / min (40 reciprocations / min).
- the position of the wiping material was reciprocated once by the measuring device, and the visual inspection was performed by stopping the measuring device at 10, 50, 100, 500, and 1000 times.
- “reflect light” refers to irradiating light on the antireflection material side of the evaluation sample 3 from an oblique direction, and the reflected light is visually observed to evaluate the presence or absence of scratches.
- the antireflection material has a large flaw, the reflected light is scattered by the flaw, so that the flaw can be easily visually recognized.
- the wiping materials 1 to 4 which do not include fibers having a diameter of 20 ⁇ m or more and include fibers having a diameter of 7 ⁇ m or less, the wiping materials are not damaged even when the wiping material is reciprocated 100 times. It was found that it was suitable for wiping during cleaning.
- SYMBOLS 1 Antireflection material, 2 ... Base material, 3 ... Convex part (antireflection structure), 100, 200, 300, 400, 500, 600, 700, 800 ... Cleaning tool, 111, 121, 211, 311, 411 611, 801 ... container body, 111a, 121a, 311a, 411a, 511a, 521a, 801a ... opening, 112, 122, 212, 312, 412, 512, 522, 612, 802 ... coating member, 113, 415, 514 , 524, 614, 803, 815 ... coating unit, 511 ... cartridge (container body), P ... cycle, S1 ... cleaning solution
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Abstract
Description
本願は、2013年1月31日に、日本に出願された特願2013-017727号及び2013年4月22日に、日本に出願された特願2013-089827号に基づき優先権を主張し、その内容をここに援用する。
前記非イオン界面活性剤の濃度が、0.1質量%以上10質量%以下である構成としてもよい。
以下、図1A~図2Bを参照しながら、本発明の第1実施形態に係る洗浄液について説明する。なお、以下の全ての図面においては、図面を見やすくするため、各構成要素の寸法や比率などは適宜異ならせてある。まず本実施形態に係る洗浄液の洗浄対象物である反射防止構造について説明し、その後、そのような反射防止構造の洗浄に適した洗浄液について説明する。
図1A及び図1Bは、本発明の第1実施形態に係る洗浄液の洗浄対象物である反射防止構造についての説明図であり、反射防止構造を有し貼合することで貼合面における光の反射を防止するシート状の部材である反射防止材の説明図である。図1Aは反射防止材の概略断面図、図1Bは一例として示す反射防止材の表面の電子顕微鏡写真である。
複数の凸部3が形成する凹凸形状は、本発明における「反射防止構造」に該当する。このような凸部3が形成されている反射防止材1においては、凸部3が形成されている面(一方の面)に光が入射したときに、回折が生じる。しかし、凸部3の周期を可視光領域の波長以下とすることで、回折次数の絶対値が1以上(±1次光、±2次光、…)の反射回折および透過回折を低減し、0次光(直進光)を選択的に発生させることができる。
まず、図2Aは、反射防止構造の表面に付着した汚れを写した拡大写真である。ここでは、汚れの一例として、反射防止構造において複数の凸部が形成された面を素手で触れた際に付着した皮脂汚れを示している。
本実施形態の洗浄液は、上述した反射防止構造の凹部を洗浄する際に用いられる洗浄液であって、pHが10.00以上のものである。
また、洗浄液のpHは10.70以上11.10以下であることとしても好ましい。pHが10.70以上であると洗浄の効果が高い。また、pHが11.10以下であると、反射防止構造を構成する樹脂成分の劣化を抑制することができる。
さらには、塩基性物質として、メタノールアミンやエタノールアミンなどのアルカノールアミンを用いることもできる。
これらは単独で用いても、2種以上を組み合わせて用いてもよい。
本実施形態の洗浄用具は、上述した洗浄液と、洗浄液が含浸されたシート状の基材と、を備える。
または、本実施形態の洗浄用具は、上述した洗浄液と、前記洗浄液を収容するとともに前記洗浄液を排出する開口部を有する容器本体と、前記開口部を覆い、前記洗浄液を排出可能に設けられた塗布部材と、を有する容器と、を備える。
これらの洗浄用具については、第2実施形態以降に詳述する。
本実施形態の洗浄キットは、上述の洗浄液を供給する洗浄用具と、反射防止構造に付着した汚れ成分を拭き取る拭取り用具と、を有する。
図3A及び図3Bは、本発明の第2実施形態に係る洗浄用具を示す模式図である。本実施形態の洗浄用具100は、上述の本発明に係る洗浄液S1を収容する第1容器110と、洗浄液S1を除去するための除去液S2を収容する第2容器120と、を有する。図3Aは、第1容器110の一部断面図であり、図3Bは第2容器120の一部断面図である。
図4A及び図4Bは、本発明の第3実施形態に係る洗浄用具を示す模式図である。第3実施形態の洗浄用具200は、第2実施形態の洗浄用具と一部共通しており、洗浄液を収容する第1容器の容器本体の形状が異なっている。したがって、本実施形態において第2実施形態と共通する構成要素については同じ符号を付し、詳細な説明は省略する。
同様に、本実施形態以下の各実施形態において、上述の実施形態の共通する要素については同じ符号を付し、詳細な説明は省略する。
図5は、本発明の第4実施形態に係る洗浄用具を示す模式図であり、本実施形態の洗浄用具300が有する第1容器310の一部断面図である。第4実施形態の洗浄用具300は、第2実施形態の洗浄用具と一部共通しており、洗浄液を収容する第1容器の塗布部材の形状が異なっている。洗浄用具300の第2容器としては、第2実施形態に示した第2容器120を用いることができる。
図6は、本発明の第5実施形態に係る洗浄用具を示す模式図であり、本実施形態の洗浄用具400が有する第1容器410の一部断面図である。第5実施形態の洗浄用具400は、第2実施形態の洗浄用具と一部共通しており、洗浄液を収容する第1容器の形状が異なっている。洗浄用具400の第2容器としては、第2実施形態に示した第2容器120を用いることができる。
図7は、本発明の第6実施形態に係る洗浄用具500の一部断面図である。図に示すように、本実施形態の洗浄用具500は、洗浄液S1を収容し、所望の位置に洗浄液S1を塗布可能とする第1容器510と、除去液S2を収容し、所望の位置に除去液S2を塗布可能とする第2容器520とが、連結部材530を介して一体に連結した構成となっている。
図8は、本発明の第7実施形態に係る洗浄用具600一部断面図である。図に示すように、本実施形態の洗浄用具600は、洗浄液S1を収容し、所望の位置に洗浄液S1を塗布可能とする第1容器610と、第6実施形態の第2容器520とが、連結部材530を介して一体に連結した構成となっている。
図9A~図9Cは、本発明の第8実施形態に係る洗浄用具を示す模式図である。図9Aは、本実施形態の洗浄用具700の斜視図、図9Bは、図9Aの線分A-Aにおける洗浄用具700の矢視断面図、図9Cは、洗浄用具700の保存状態の一例を示す斜視図である。
図10A及び図10Bは、本発明の第9実施形態に係る洗浄用具を示す模式図である。図10Aは、本実施形態の洗浄用具800の斜視図、図10Bは、図10Aの線分B-Bにおける洗浄用具800の矢視断面図である。
用いる洗浄液のpHは、pHメーター(株式会社堀場製作所製、型番D-51)を用いて測定した値を採用した。測定時の洗浄液の液温についても、pHメーターに表示された液温を採用した。
液晶テレビ(シャープ製、型番LC-46XL9)の表示面に貼合されている反射防止材(モスアイフィルム)を、微細な凸部(反射防止構造)が設けられた面とは反対側の面において黒色アクリル板に貼合したものを評価サンプル1とした。
評価サンプル1の上に唾液を付着させ、常温で1日以上放置して乾燥させ、評価サンプル1の反射防止構造上に唾液汚れを形成した。唾液が反射防止構造表面の凹部内に浸透して乾燥し、唾液汚れとして形成された。
その後、洗浄液1(プロージェント(株式会社メニコン製、次亜塩素酸ナトリウム液と臭化カリウム液との混合液)の原液)を含ませた綿棒でサンプル上の唾液汚れを軽く擦り洗浄液を塗布した。サンプル上に残った洗浄液1を不織布(旭化成社製、ベンコット(登録商標)M-3II)で拭取った後、さらに水を含ませた不織布で拭取り、評価サンプル1の反射防止フィルムの洗浄を行った。
なお、洗浄液1の塗布と不織布による拭取り、および水を含ませた不織布による拭取りを1回の洗浄とし、1回の洗浄で汚れが除去できない場合には最大5回まで洗浄を繰り返し行うこととした。
上記洗浄後、唾液汚れが付着していた箇所について、洗浄前後の汚れ具合の変化を目視評価した。
サンプル上に唾液を付着させ、常温で1日以上放置し乾燥させ、評価サンプル1の反射防止構造上に唾液汚れを形成した。
その後、洗浄液1を含ませた不織布を唾液汚れの上に貼りつけ、5分放置した。不織布を剥がした後、サンプル上に残った洗浄液1を不織布で拭取り、さらに水を含ませた不織布で拭取った。
なお、洗浄液1の塗布と不織布による拭取り、および水を含ませた不織布による拭取りを1回の洗浄とし、1回の洗浄で汚れが除去できない場合には最大5回まで洗浄を繰り返し行うこととした。
上記洗浄後、唾液汚れが付着していた箇所について、洗浄前後の汚れ具合の変化を目視評価した。
洗浄液1の代わりに洗浄液2(アルカリウォッシュ(地の塩社製、セスキ炭酸ナトリウム)の0.5質量%水溶液)を用いたこと以外は、実施例1と同様にして評価を行った。
洗浄液1の代わりに洗浄液3(オキシクリーン(オレンジグロー社製、過炭酸ナトリウムと炭酸ナトリウムとの混合物)の0.7質量%水溶液)を用いたこと以外は、実施例1と同様にして評価を行った。
洗浄液1の代わりに洗浄液4(Jpal(クレハトレーディング社製、メタケイ酸ナトリウム水溶液)の原液を100倍の体積の水で希釈した水溶液)を用いたこと以外は、実施例1と同様にして評価を行った。
洗浄液1の代わりに洗浄液A(液晶テレビAQUOS用液晶パネルクリーニング液(シャープエンジニアリング株式会社製、エタノールと純水との混合液)の原液)を用いたこと以外は、実施例1と同様にして評価を行った。
洗浄液1の代わりに洗浄液B(キュキュット(花王株式会社製、界面活性剤)の1質量%水溶液)を用いたこと以外は、実施例1と同様にして評価を行った。
洗浄液1の代わりに洗浄液C(プロテオフ(株式会社メニコン製、タンパク質分解酵素)の原液)を用いたこと以外は、実施例1と同様にして評価を行った。なお、洗浄液Cの23.7℃におけるpHは、5.56であった。
また、各評価の結果については、以下の通りとした。
◎:最大5回の洗浄を行う間に汚れ残りが無くなるもの
○:5回の洗浄でほぼ汚れが無くなったもの
△:5回の洗浄後において汚れは低減したが残っていたもの
×:5回の洗浄後においても汚れに変化が見られないもの
上記評価サンプル1と同様の反射防止材を、無色透明なガラスに貼合したものを評価サンプル2とした。
評価サンプル1の代わりに評価サンプル2を用いたこと以外は、実施例2における「評価方法1」と同様にして評価を行った。
評価サンプル1の代わりに評価サンプル2を用いたこと以外は、実施例3における「評価方法1」と同様にして評価を行った。
評価サンプル1の代わりに評価サンプル2を用いたこと以外は、実施例4における「評価方法1」と同様にして評価を行った。
評価サンプル1の代わりに評価サンプル2を用いたこと以外は、比較例1における「評価方法1」と同様にして評価を行った。
評価サンプル1,2で用いたものよりも凸部間のピッチが狭い(100nm)反射防止材を用い、微細な凸部(反射防止構造)が設けられた面とは反対側の面において黒色アクリル板に貼合したものを評価サンプル3とした。
素手で十分に練り込んだヘアーワックス(PERFECT HOLD WAX, SHORT HAIR HARD、株式会社マンダム社製)を用意し、上記評価サンプル1の上に重ならないように数か所付着させ、常温で1日以上放置して乾燥させ、評価サンプル3の反射防止構造上にヘアーワックス汚れを形成した。
洗浄液5:非イオン界面活性剤0.1質量%、アルカノールアミン、塩基性物質(炭酸ナトリウム、リン酸ナトリウム)0.5質量%、緩衝液として機能するpH調製剤、の水溶液。pH=10.78。
除去液1を用いた拭き取りを行わないこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
◎:洗浄液を染み込ませた不織布による拭取り(以下、洗浄液を用いた拭取り)2回以内で完全に汚れが無くなったもの
○:洗浄液を用いた拭取り3~5回で完全に汚れがなくなったもの
△:洗浄液を用いた拭取りを5回行った後に、汚れの輪郭が残っているが輪郭の一部が拭き取れているもの
×:洗浄液を用いた拭取りを5回行った後に、汚れの輪郭がくっきり残っているもの
また、図11A及び図11Bの電子顕微鏡写真で示すように、実施例9においては、洗浄前(図11A)に反射防止構造に付着していたヘアーワックスが、洗浄後(図11B)には除去されていることを確認した。
洗浄液5を用いた拭き取りを行わないこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5を用いた拭き取りを行わないこと、除去液2(99.5質量%エタノール水溶液)を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
上記評価サンプル3における反射防止材の代わりに、微細な凸部(反射防止構造)が設けられていないTACフィルムを黒色アクリル板に貼合したものを評価サンプル4とした。
評価サンプル4を用いること以外は、評価方法3と同様にして、評価サンプル4の表面ヘアーワックス汚れを形成した。
上述の方法でヘアーワックス汚れを形成した評価サンプル4を用いること以外は、参考例2と同様にして、評価サンプル4の洗浄を行った。
◎:除去液を染み込ませた不織布による拭取り2回以内で完全に汚れが無くなったもの
○:除去液を用いた拭取り3~5回で完全に汚れがなくなったもの
△:除去液を用いた拭取りを5回行った後に、汚れの輪郭が残っているが輪郭の一部が拭き取れているもの
×:除去液を用いた拭取りを5回行った後に、汚れの輪郭がくっきり残っているもの
以下の各洗浄液6~11を調整した。
洗浄液5の代わりに洗浄液7を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液8を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液9を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液10を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液11を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液10を、10cm四方の容器に入れ、評価サンプル3の反射防止構造が洗浄液に浸漬するように浸し、38時間放置した。
洗浄液12を用いること以外は、実施例15と同様にして評価サンプル3の色味を測定した。
洗浄液13を用いること以外は、実施例15と同様にして評価サンプル3の色味を測定した。
(彩度差)=√{(浸漬後a*-浸漬前a*)2+(浸漬後b*-浸漬前b*)2}…(1)
氷水を用いて2℃に冷却した洗浄液5を用い、実施例9と同様にして、評価サンプル3の洗浄を行った。
室温(17℃)と同じ温度の洗浄液5を用い、実施例9と同様にして、評価サンプル3の洗浄を行った。
ホットプレートを用いて25℃に加熱した洗浄液5を用い、実施例9と同様にして、評価サンプル3の洗浄を行った。
ホットプレートを用いて40℃に加熱した洗浄液5を用い、実施例9と同様にして、評価サンプル3の洗浄を行った。
ホットプレートを用いて55℃に加熱した洗浄液5を用い、実施例9と同様にして、評価サンプル3の洗浄を行った。
以下の各洗浄液12~14を調整した。
各洗浄液のpHは、pH=10.83(洗浄液12)、pH=10.85(洗浄液13)、pH=10.88(洗浄液14)であった。
実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液12を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液13を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液14を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
洗浄液5の代わりに洗浄液6を用いたこと以外は、実施例9と同様にして、評価サンプル3の洗浄を行った。
実施例24と同様にして、評価サンプル3の洗浄を行った。
拭取り材として、以下のものを用いた。
表面性測定機(新東科学株式会社、TRIBOGEAR TYPE:14FW)に取り付けた拭取り材を用いて、評価サンプル3の反射防止構造側で拭取り材を往復させて擦り、擦った部分の傷の有無について目視評価により評価した。
評価条件は、荷重:500g、ストローク:30mm、速度:2400mm/分(40往復/分)とした。
○:暗室で直接光を映し込んでも傷が認められないもの
△:直接光を映し込むと傷が認められるが、直接光を映しこまない環境では傷が認められないもの
×:直接光を映し込まなくても傷が認められるもの
Claims (14)
- 一方の面に可視光領域の波長以下の周期で形成された複数の凸部を備え、前記一方の面に入射する光の前記一方の面における反射を防止する光透過性の反射防止構造において、前記複数の凸部のうち隣り合う凸部の間の領域である凹部を洗浄する際に用いられる洗浄液であって、pHが10.00以上である洗浄液。
- 緩衝剤を含む請求項1に記載の洗浄液。
- 界面活性剤を含む請求項1または2に記載の洗浄液。
- 前記界面活性剤が非イオン界面活性剤を含み、
前記非イオン界面活性剤の濃度が、0.1質量%以上10質量%以下である請求項3に記載の洗浄液。 - 前記非イオン界面活性剤の濃度が、1.0質量%以上5.0質量%以下である請求項4に記載の洗浄液。
- 前記界面活性剤が陰イオン界面活性剤を含む請求項3から5のいずれか1項に記載の洗浄液。
- pHが10.70以上11.10以下である請求項1から6のいずれか1項に記載の洗浄液。
- 前記凸部は、高さが100nm以上600nm以下、且つ平面視における底面の幅の最大値が100nm以上600nm以下の錐状体である請求項1から7のいずれか1項に記載の洗浄液。
- 一方の面に可視光領域の波長以下の周期で形成された複数の凸部を備え、前記一方の面に入射する光の前記一方の面における反射を防止する光透過性の反射防止構造において、前記複数の凸部のうち隣り合う凸部の間の領域である凹部を洗浄する際に用いられる洗浄用具であって、
請求項1から8のいずれか1項に記載の洗浄液と、
前記洗浄液が含浸されたシート状の基材と、を備える洗浄用具。 - 一方の面に可視光領域の波長以下の周期で形成された複数の凸部を備え、前記一方の面に入射する光の前記一方の面における反射を防止する光透過性の反射防止構造において、前記複数の凸部のうち隣り合う凸部の間の領域である凹部を洗浄する際に用いられる洗浄用具であって、
請求項1から8のいずれか1項に記載の洗浄液と、
前記洗浄液を収容するとともに前記洗浄液を排出する開口部を有する容器本体と、前記開口部を覆い、前記洗浄液を排出可能に設けられた塗布部材と、を有する容器と、を備える洗浄用具。 - 一方の面に可視光領域の波長以下の周期で形成された複数の凸部を備え、前記一方の面に入射する光の前記一方の面における反射を防止する光透過性の反射防止構造において、前記複数の凸部のうち隣り合う凸部の間の領域である凹部を洗浄する際に用いられる洗浄キットであって、
前記凹部に汚れ成分が付着した領域に、請求項1から8のいずれか1項に記載の洗浄液を供給する洗浄用具と、
前記汚れ成分を拭き取る拭取り用具と、を有する洗浄キット。 - 前記拭取り用具は、極性溶媒を含み、前記洗浄液を塗布した領域に塗布される除去液と、
前記除去液とともに前記汚れ成分を拭き取る拭取り材と、を有する請求項11に記載の洗浄キット。 - 前記除去液は、前記極性溶媒としてアルコールを含むアルコール水溶液である請求項12に記載の洗浄キット。
- 前記拭取り材は繊維シートであり、
前記繊維シートは、直径が20μm以上の繊維を含まず、且つ直径が7μm以下の繊維を含む請求項11から13のいずれか1項に記載の洗浄キット。
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JP2009526727A (ja) * | 2006-02-14 | 2009-07-23 | ディーエスエム アイピー アセッツ ビー.ブイ. | 反射防止被覆ガラスプレート |
JP2010116332A (ja) * | 2008-11-11 | 2010-05-27 | Asahi Kasei Corp | 拭き取り用シート |
WO2012043004A1 (ja) * | 2010-10-01 | 2012-04-05 | 株式会社シード | コンタクトレンズ用ゲル状洗浄剤 |
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JPWO2014119502A1 (ja) | 2017-01-26 |
US9701927B2 (en) | 2017-07-11 |
US20150361378A1 (en) | 2015-12-17 |
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