WO1998005589A1 - Procede de revetement de peroxyde de titane amorphe - Google Patents
Procede de revetement de peroxyde de titane amorphe Download PDFInfo
- Publication number
- WO1998005589A1 WO1998005589A1 PCT/JP1997/002677 JP9702677W WO9805589A1 WO 1998005589 A1 WO1998005589 A1 WO 1998005589A1 JP 9702677 W JP9702677 W JP 9702677W WO 9805589 A1 WO9805589 A1 WO 9805589A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- titanium peroxide
- layer
- amorphous titanium
- amorphous
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims description 41
- 238000000576 coating method Methods 0.000 title claims description 29
- 239000011248 coating agent Substances 0.000 title claims description 28
- 239000000758 substrate Substances 0.000 claims abstract description 81
- 230000001699 photocatalysis Effects 0.000 claims abstract description 43
- 239000000919 ceramic Substances 0.000 claims abstract description 41
- 239000004065 semiconductor Substances 0.000 claims abstract description 34
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- 239000010419 fine particle Substances 0.000 claims abstract description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 8
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 abstract description 9
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 6
- 239000005871 repellent Substances 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000010408 film Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 7
- 239000011941 photocatalyst Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- -1 titanium hydride Chemical compound 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229910010066 TiC14 Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 230000033116 oxidation-reduction process Effects 0.000 description 3
- IYVLHQRADFNKAU-UHFFFAOYSA-N oxygen(2-);titanium(4+);hydrate Chemical compound O.[O-2].[O-2].[Ti+4] IYVLHQRADFNKAU-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003608 titanium Chemical class 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 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
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000048 titanium hydride Inorganic materials 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000239366 Euphausiacea Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- 239000004952 Polyamide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 240000005046 Urochloa mutica Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- DJGLQWCKPYQFJG-UHFFFAOYSA-N hydrogen peroxide;titanium Chemical compound [Ti].OO DJGLQWCKPYQFJG-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C01B25/00—Phosphorus; Compounds thereof
- C01B25/04—Purification of phosphorus
- C01B25/047—Purification of phosphorus of yellow phosphorus
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- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/04—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
- C01B15/047—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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- C03—GLASS; MINERAL OR SLAG WOOL
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- C04B41/5041—Titanium oxide or titanates
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- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
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- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1229—Composition of the substrate
- C23C18/1233—Organic substrates
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- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/125—Process of deposition of the inorganic material
- C23C18/1254—Sol or sol-gel processing
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- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/125—Process of deposition of the inorganic material
- C23C18/1295—Process of deposition of the inorganic material with after-treatment of the deposited inorganic material
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- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
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- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/123—Spraying molten metal
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/212—TiO2
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/42—Coatings comprising at least one inhomogeneous layer consisting of particles only
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/71—Photocatalytic coatings
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/113—Deposition methods from solutions or suspensions by sol-gel processes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
- C04B2111/00827—Photocatalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
Definitions
- the present invention relates to a method for coating an amorphous titanium peroxide on a substrate, and more particularly to a method for coating a viscous amorphous titanium peroxide having excellent adhesion even on a substrate having a water-repellent surface.
- the present invention relates to a substrate having a thin layer of a photocatalytic semiconductor or a dielectric / conductive ceramic using the same as a binder. Background art
- Methods for coating a substrate with a photocatalytic semiconductor or a dielectric or conductive ceramic material include conventional techniques such as a sputtering method, a vapor deposition method, and a high-temperature sintering method using a transfer printing film.
- the coating equipment is very costly, and in the transfer printing method, the thermal stress applied to the substrate and the like must be taken into account depending on the thermal processing conditions, and the selection of materials is limited. there were.
- photocatalytic semiconductors and dielectric and conductive ceramic materials are used as binders.
- the fixing method when the surface is a substrate having water repellency, it was necessary to pretreat the surface of the substrate with a surfactant or a solution of caustic soda. Furthermore, it has been difficult for these photocatalytic semiconductors and particles of dielectric and conductive ceramics to be buried in various types of binders so that the oxidation-reduction function and the dielectric and conductive functions can be sufficiently performed.
- Japanese Patent Application Laid-Open No. 7-286114 discloses a coating solution for forming a film comprising peroxopolytitanic acid which is a polymer of peroxotitanic acid.
- This peroxopolytitanic acid is prepared by adding hydrogen peroxide to a gel or sol of titanium oxide hydrate or a mixed dispersion thereof, and heating the mixture at room temperature or at 90 or less (80 to 1 hour in Example 1). ) It is stated that it can be obtained.
- a viscous liquid or a jelly-like liquid obtained by condensing an aqueous solution of titanium hydrogen peroxide is also known (Japanese Patent Application Laid-Open No. Sho 62-252319). Hydrogen peroxide solution is added to the fine powder of titanium hydride to obtain a yellow titanium peroxide aqueous solution, which is left at room temperature to evaporate water and gradually condense solutes to form a yellow film. It is stated that it can be obtained.
- the peroxopolytitanic acid described in the above-mentioned Japanese Patent Application Laid-Open No. 7-28614 is prepared by adding hydrogen peroxide to a gel or sol of titanium oxide hydrate or a mixed dispersion thereof, at room temperature or at 90 ° C.
- the "viscous amorphous titanium peroxide" of the present application obtained by adding hydrogen peroxide to titanium oxide hydrate and reacting it at 15 or less is obtained by heating as follows. Not only the manufacturing method is different, but also the physical properties, especially the viscosity, are greatly different, the function as a binder is inferior, and it is difficult to form a thin layer of a photocatalytic semiconductor or a dielectric or conductive ceramic material. there were.
- the "viscous amorphous titanium peroxide" of the present application in which hydrogen peroxide is added to hydrated titanium oxide and reacted at 15 or less to form a viscous jelly-like substance,
- the strength and the physical properties are also different, and as described in JP-A-7-286114 (column 2), the method is stable only at extremely dilute concentration, However, it cannot exist in a stable state for a long period of time, and the coating formed on the base material is easily cracked and peeled, and when fired at a high temperature, the film after firing becomes porous. There was a problem. Disclosure of the invention
- An object of the present invention is to provide a coating material which does not need to be subjected to hydrophilic treatment with a surfactant or the like, even if the substrate has a water-repellent substrate or a substrate having a thermoplastic surface. As an issue.
- Another object of the present invention is to provide a film forming method in which a thin layer of a photocatalytic semiconductor or a dielectric / conductive ceramic material can be easily formed and its thickness can be easily controlled, and the photocatalytic semiconductor or the like is not buried by a binder. Make it an issue.
- the inventors of the present invention have conducted intensive studies to solve the above-mentioned problems.
- a viscous amorphous titanium peroxide or the like was fixed to a substrate and used as a binder layer, and a photocatalytic semiconductor, a dielectric ceramic, or a conductive ceramic was used.
- a photocatalytic semiconductor, a dielectric ceramic, or a conductive ceramic was used.
- the viscous amorphous-type titanium peroxide or the like is fixed to a substrate, and heated and calcined to obtain an oxidation having photocatalytic ability.
- the present invention has been completed by forming a titanium layer.
- the present invention relates to a method of fixing an amorphous titanium peroxide layer to a substrate, without coating an amorphous titanium peroxide sol or performing a hydrophilic treatment on the substrate surface using a surfactant or the like.
- a method of fixing an amorphous titanium peroxide layer to a substrate characterized by coating a viscous amorphous titanium peroxide, followed by drying and baking at room temperature to less than 250, and an amorphous layer produced by this method.
- the present invention relates to a substrate having a type titanium peroxide layer.
- a method of fixing a titanium oxide layer to a substrate comprising coating an amorphous titanium peroxide sol, or performing a hydrophilic treatment on the surface of the substrate using a surfactant or the like, to obtain a viscous amorphous layer.
- the present invention relates to a method of fixing a titanium oxide layer to a substrate, which is characterized by coating titanium peroxide, followed by drying and firing at 250 or more, and a substrate having a titanium peroxide layer formed by this method.
- the amorphous amorphous titanium peroxide sol is coated on the substrate, or the viscous amorphous titanium peroxide is coated without performing the hydrophilic treatment of the substrate surface using a surfactant or the like.
- the fine particles of a photocatalytic semiconductor, a dielectric ceramic or a conductive ceramic are dispersed in a gas in a uniform scattering state while the amorphous titanium peroxide layer has an adhesive property.
- An amorphous mold formed on the substrate A titanium peroxide layer; a photocatalytic semiconductor formed on the amorphous titanium peroxide layer; and a dielectric ceramic. Or to a substrate comprising a thin layer of conductive ceramics.
- the titanium tetrachloride solution and the ammonium hydroxide solution are combined with a pH of 2 to After reacting in the acidic region of 6, wash out the sedimented pale blue-white orthotitanic acid, and then dilute or concentrate to a peroxide solution to adjust the solids concentration to 0.2 to 0.6% by weight. Hydrogen water is added, and the mixture is reacted with stirring at a low temperature, preferably 15 or less, particularly preferably about 5 t: to 8, and then cured at room temperature.
- the present invention relates to a method for producing titanium oxide, and a viscous amorphous titanium peroxide produced by this method.
- the “amorphous titanium peroxide sol” in the present invention can be produced, for example, as follows. Ammonia water or alkaline hydroxide such as sodium hydroxide is added to an aqueous solution of titanium salt such as titanium tetrachloride TiC14 and reacted at pH 6-7. Pale bluish white, (., Also known as ortho-titanic acid H 4 T I_ ⁇ 4) hydroxide titanium T i (OH) 4 amorphous washing arising - after separation, treatment with hydrogen peroxide solution, the amorphous form over Titanium oxide is obtained.
- the ⁇ amorphous titanium peroxide sol '' of the present invention thus obtained has a pH of 6 to 7 and a particle size of 8 to 20 nm, is a yellow transparent liquid, and can be stored at room temperature for a long time. It is stable.
- the sol concentration is usually adjusted to 1.4 to 1.6% by weight, but the concentration can be adjusted as needed. If used at a low concentration, dilute with distilled water, etc. To use.
- this amorphous titanium peroxide sol is in an amorphous state at room temperature and has not yet crystallized into an analogous titanium oxide sol, and has excellent adhesion, high film-forming properties, and a uniform and flat thin film. It can be made and the dried film has the property of not being soluble in water.
- an amorphous titanium peroxide sol When an amorphous titanium peroxide sol is heated at 10 ot: or more for several hours, it becomes an anatase-type titanium oxide sol and becomes amorphous titanium peroxide sol.
- the tansol coated on a substrate and dried and fixed becomes an anatase-type titanium oxide by heating at 25 Ot: ⁇ 940.
- the “viscous amorphous titanium peroxide” in the present invention can be produced, for example, as follows. Aqueous ammonia or alkali hydroxide such as sodium hydroxide is added to an aqueous solution of titanium salt such as titanium tetrachloride TiC14, and the reaction is carried out in the acidic range, preferably pH 2 to 6, particularly preferably pH 2. Let it. Light blue tint white to settle, after washing and separation (also.
- hydroxide amorphous titanium T i (OH) 4 was treated with peroxide Motomi, low temperature, It is preferably obtained by reacting with stirring at a pressure of 15 or less, particularly preferably at a pressure of 5 to 8, followed by curing at room temperature for 7 to 10 days.
- viscous amorphous titanium peroxide has a pH of 2 to 4 and a particle size of about 8 to 20 nm, and has a yellow transparent, slightly viscous sol to semi-jelly. It has a variety of viscosities, that is, it has a very strong adhesive force and is stable when stored at room temperature for a long time.
- the concentration of the solid content is usually adjusted to 0.2 to 0.6% by weight, preferably 0.3% by weight, but the concentration can be adjusted as required.
- the "viscous amorphous titanium peroxide" used in the production process is an aqueous solution of a titanium salt such as titanium tetrachloride TiC14 and an aqueous solution such as ammonia water or sodium hydroxide.
- a titanium salt such as titanium tetrachloride TiC14
- an aqueous solution such as ammonia water or sodium hydroxide.
- the viscous amorphous titanium peroxide of the present invention is a novel substance having a yellow, transparent and viscous property.
- the viscous amorphous titanium peroxide is in an amorphous state and has not yet crystallized on the anatase titanium oxide.
- Adhesiveness is extremely excellent for substrates of all types, including substrates having water repellency.
- it has a high film-forming property, can easily form a uniform and flat thin film, and has a property that a dry film is insoluble in water.
- inorganic materials such as ceramics and glass, organic materials such as plastic, rubber, wood and paper, and metal materials such as aluminum and steel can be used.
- organic materials such as plastic, rubber, wood and paper, and metal materials such as aluminum and steel
- organic polymer resin materials such as acrylate resin (acrylic resin), polyester resin, and polyurethane resin.
- the size and shape are not limited, and may be in the form of a film, a honeycomb, a fiber, a filter sheet, a bead, a foam, or a combination thereof. Further, the present invention can be applied to the inner surface of a substrate that transmits ultraviolet light, and can also be applied to painted articles.
- amorphous titanium peroxide sol and the viscous amorphous titanium peroxide can be used.
- the substrate After coating by applying or spraying as described above, the substrate is dried and baked at less than 250 and solidified to produce a substrate having the amorphous titanium peroxide layer of the present invention.
- the substrate can be manufactured by sintering before and after about 25 Ot: 4400 to solidify and support a titanium oxide type titanium oxide layer. Since such a substrate has a photocatalytic function, organic polymer resin which is easily decomposed by the photocatalyst, polytetrafluoroethylene (PTFE) which is a high-performance engineering plastic, and polyamide which is a super-heat-resistant engineering plastic are used as substrates.
- PTFE polytetrafluoroethylene
- PI polyamide
- the photocatalytic function of titanium oxide is reduced by sodium ions, and it is necessary to use a sodium hydroxide solution or other material containing sodium ions prior to coating. It is advantageous to keep the sodium source present, such as by cleaning the resin surface.
- the coating composition comprising an amorphous titanium peroxide sol or a viscous amorphous titanium peroxide has a feature that a predetermined thickness can be obtained by one coating. These titanium peroxide layers formed by coating or obtained by heating and firing over 250 or more are obtained. The thickness of the titanium oxide layer to be formed can also be adjusted by the concentration (% by weight) of the titanium peroxide in the viscous amorphous titanium peroxide or the like, the viscosity, and the coating thickness before drying. In addition, the above-mentioned coating material can be applied in an overlapping manner as needed.
- the substrate having the above-mentioned amorphous titanium peroxide layer has excellent weather resistance.
- the substrate has a photocatalytic function. It can protect substrates that are easily decomposed, such as organic polymer materials.
- the photocatalytic semiconductor T I_ ⁇ 2, Z N_ ⁇ , S r T i 0 3, C d S, C d 0, C a P, I n P, ln 2 0 3, C aA s, B a T i ⁇ 3, KN b O 3, F e 2 ⁇ 3, T a 2 ⁇ 5, W0 3, S A_ ⁇ 2, B i 2 ⁇ 3, N i 0, C u 2 O, S i C, S I_ ⁇ 2, M o S 2, Mo S 3, I n P b, and the like can be mentioned R U_ ⁇ 2, C E_ ⁇ 2, preferably titanium oxide T i O2 among these,
- the photocatalytic semiconductor is used in the form of fine particles or fine powder having a diameter of about 0.001 m to 20 izm.
- P for complementing photocatalytic t can be Ag, Rh, Ru0 2, Nb , C u, S n, also be used as an additive and N I_ ⁇ .
- the "dielectric ceramic" material the S I_ ⁇ 2, T a 2 O 5, T i ⁇ 2, S r T I_ ⁇ 3, B aT I_ ⁇ 3, P b based Bae Robusukai DOO compound can be mentioned.
- the “conductive ceramic” material examples include base metal alloys such as copper, nickel, chromium, titanium, and aluminum. These ceramic materials are used in the form of fine particles or fine powder having a diameter of about 0.001 // m to 20 m. Such fine powder can be suspended in a uniform * dispersed state in a gas.
- the “method of fixing a thin layer of a photocatalytic semiconductor, a dielectric ceramic, or a conductor ceramic” will be described with reference to FIG. 1. An amorphous mold is applied to a substrate 3 that has been subjected to a hydrophilic treatment with a surfactant or the like.
- the laminated thin film of the photocatalytic semiconductor has an effect of reducing the function deterioration due to mutual interference of the particle surfaces due to the electron transfer during the oxidation-reduction of the photocatalytic semiconductor and the economical loss due to the film thickness.
- FIG. 1 is an explanatory view showing a method of fixing a thin layer of a photocatalytic semiconductor, a dielectric ceramic, or a conductive ceramic.
- the concentration treatment can be performed by a concentrator.
- a concentrator To this pale bluish white T i (OH) 4360 0 m 1, add 35% aqueous hydrogen peroxide 2 110 m 1 in two portions every 30 minutes and stir at about 5 overnight. About 3800 ml of a type titanium peroxide sol is obtained.
- Example 1 Production of viscous amorphous titanium peroxide
- the concentration treatment can be performed by a concentrator.
- T i (OH) 4 aqueous solution 200 ml of 35% hydrogen peroxide solution was added in two portions every 30 minutes. After agitation, the mixture was cured at a daily temperature of 7 to 10 to obtain about 280 ml of a yellow transparent jelly-like amorphous titanium peroxide sol.
- Example 2 (Preparation of Viscous Amorphous Titanium Peroxide of Various Viscosity) In Example 1, except that the pH during the reaction was changed to 3, 4 and 5, the procedure was the same as in Example 1. A solid jelly-like material was obtained as the pH increased from that of the viscous amorphous titanium peroxide obtained in Example 1, and the solid content concentration gradually increased.
- An acrylic resin plate, a methyl acryl resin plate, and a methyl methacrylate resin plate were used as substrates.
- the surfaces of the resin plates were washed with water and dried, and the resin plates were coated once with 0.3% by weight of the viscous titanium peroxide prepared in Example 1 by debbing.
- an anase-type titanium oxide powder ST—01 manufactured by Ishihara Sangyo Co., Ltd.
- the substrate was heated at 00 and then washed to prepare a photocatalytic semiconductor substrate.
- semi-porcelain glazed tiles made by I NAX Corporation: 100 x 100 x 5 mm
- ceramic coated steel plates 210 x 296 x 0.8 mm
- keramite plates glazed type : 157 X 223 X 4 mm
- 0.3% by weight of the viscous titanium peroxide prepared in Example 1 was squeezed on a squeeze plate, and 0.1 to 0.2 for the glazed semi-porcelain tiles.
- an anase-type titanium oxide powder ST-01 manufactured by Ishihara Sangyo Co., Ltd.
- Ishihara Sangyo Co., Ltd. an anase-type titanium oxide powder ST-01 (manufactured by Ishihara Sangyo Co., Ltd.) was allowed to adhere for 1 minute in a gaseous uniform suspension state.
- Baking at 500 for 30 minutes produced a photocatalyst semiconductor substrate.
- a polyester / rayon nonwoven fabric (300 ⁇ 300 mm) was used as the substrate.
- This non-woven fabric is washed with water and dried, and 0.3% by weight of the viscous titanium peroxide prepared in Example 1 is adhered by debbing, and then an anase type titanium oxide powder ST—01 (Ishihara Sangyo Co., Ltd.) (Manufactured by the company) was adhered in a gas-floating state and dried and fixed at 50. Thereafter, the dried product was pressed with an iron at 120 to 15 ° ⁇ : to further improve the adhesion between the layers.
- This substrate was particularly excellent not only in the cosmetic properties and adhesiveness but also in the decomposition performance.
- the decomposition test of the organic substance was performed as follows.
- Paragrass Kuraray Co., Ltd., Meikyu Krill Resin
- a length and width of 210 ⁇ 296 mm was used as the substrate.
- an analog-type titanium oxide powder ST-01 manufactured by Ishihara Industries Co., Ltd.
- the gas was adhered in a uniform floating state and dried and fixed at 50. Thereafter, the dried product was pressed with an iron at 120 to 150, and the adhesion between the layers was further improved.
- a photocatalyst carrying a photocatalyst was obtained.
- test photocatalysts were placed in a test container, and then a colored solution of the organic substance to be decomposed was injected into the container to a depth of 1 cm.
- This coloring solution is a 30-fold dilution of Poluc Red PM-R (manufactured by Sumika Karaichi Co., Ltd.), which is an aqueous dispersion (red liquid) of monoazo red.
- the container was covered with a float glass (cut at a wavelength of 300 nm or less).
- the viscous amorphous titanium peroxide By using the viscous amorphous titanium peroxide according to the present invention, it is possible to form an amorphous titanium peroxide layer without subjecting any substrate to a hydrophilic treatment with a surfactant or the like.
- Photocatalytic semiconductor It is possible to fix a thin layer of a body, dielectric ceramics, or conductive ceramics, and it is possible to achieve a reduction in size and weight and a reduction in capacity of electronic devices and the like using the same.
- the photocatalytic functional substrate has an effect of eliminating a functional decrease due to mutual interference of particle surfaces due to electron transfer during oxidation-reduction of the photocatalytic semiconductor and an economical loss due to a film thickness due to the laminated thin film of the photocatalytic semiconductor.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/051,237 US6235401B1 (en) | 1996-08-06 | 1997-08-01 | Method for coating amorphous titanium peroxide |
KR1019980702543A KR100356933B1 (ko) | 1996-08-06 | 1997-08-01 | 무정형과산화티탄층의기체에의고정방법및점조성무정형과산화티탄의제조방법 |
EP97933873A EP0854112A4 (en) | 1996-08-06 | 1997-08-01 | METHOD FOR TREATING ANORPHEMIC TITANIUM PEROXIDE |
CA002233876A CA2233876C (en) | 1996-08-06 | 1997-08-01 | Coating method of amorphous type titanium peroxide |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/207049 | 1996-08-06 | ||
JP20704996A JP3863599B2 (ja) | 1996-08-06 | 1996-08-06 | アモルファス型過酸化チタンのコーティング方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/663,711 Division US6344278B1 (en) | 1996-08-06 | 2000-09-18 | Coating method of amorphous type titanium peroxide |
US09/663,710 Division US6344277B1 (en) | 1996-08-06 | 2000-09-18 | Coating method of amorphous type titanium peroxide |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998005589A1 true WO1998005589A1 (fr) | 1998-02-12 |
Family
ID=16533368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/002677 WO1998005589A1 (fr) | 1996-08-06 | 1997-08-01 | Procede de revetement de peroxyde de titane amorphe |
Country Status (7)
Country | Link |
---|---|
US (4) | US6235401B1 (ja) |
EP (1) | EP0854112A4 (ja) |
JP (1) | JP3863599B2 (ja) |
KR (1) | KR100356933B1 (ja) |
CA (1) | CA2233876C (ja) |
TW (1) | TW349981B (ja) |
WO (1) | WO1998005589A1 (ja) |
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- 1997-08-01 KR KR1019980702543A patent/KR100356933B1/ko not_active IP Right Cessation
- 1997-08-01 CA CA002233876A patent/CA2233876C/en not_active Expired - Fee Related
- 1997-08-01 EP EP97933873A patent/EP0854112A4/en not_active Withdrawn
- 1997-08-01 WO PCT/JP1997/002677 patent/WO1998005589A1/ja active IP Right Grant
- 1997-08-01 US US09/051,237 patent/US6235401B1/en not_active Expired - Fee Related
- 1997-08-05 TW TW086111192A patent/TW349981B/zh not_active IP Right Cessation
-
2000
- 2000-09-18 US US09/663,711 patent/US6344278B1/en not_active Expired - Lifetime
- 2000-09-18 US US09/663,710 patent/US6344277B1/en not_active Expired - Lifetime
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003072661A1 (fr) * | 2002-02-27 | 2003-09-04 | Sustainable Titania Technology Incorporated | Solution pour former un film photocatalyseur ultra-hydrophile, structure comportant ce film et procede de production de celui-ci |
CN100349991C (zh) * | 2002-02-27 | 2007-11-21 | 萨斯提那普尔科技股份有限公司 | 超亲水性光催化覆膜形成液、具有该覆膜的构造体及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2233876C (en) | 2005-11-01 |
US6344277B1 (en) | 2002-02-05 |
KR100356933B1 (ko) | 2002-12-18 |
US20010019776A1 (en) | 2001-09-06 |
EP0854112A4 (en) | 1998-12-02 |
CA2233876A1 (en) | 1998-02-12 |
JPH1053437A (ja) | 1998-02-24 |
EP0854112A1 (en) | 1998-07-22 |
US6344278B1 (en) | 2002-02-05 |
KR19990064064A (ko) | 1999-07-26 |
US6235401B1 (en) | 2001-05-22 |
TW349981B (en) | 1999-01-11 |
JP3863599B2 (ja) | 2006-12-27 |
US6379811B2 (en) | 2002-04-30 |
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