WO2007091479A1 - 基体の保護方法 - Google Patents
基体の保護方法 Download PDFInfo
- Publication number
- WO2007091479A1 WO2007091479A1 PCT/JP2007/051690 JP2007051690W WO2007091479A1 WO 2007091479 A1 WO2007091479 A1 WO 2007091479A1 JP 2007051690 W JP2007051690 W JP 2007051690W WO 2007091479 A1 WO2007091479 A1 WO 2007091479A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- titanium
- positively charged
- substrate surface
- resin
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 158
- 239000000126 substance Substances 0.000 claims description 54
- 239000010410 layer Substances 0.000 claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000004020 conductor Substances 0.000 claims description 34
- 239000005871 repellent Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000002940 repellent Effects 0.000 claims description 15
- 150000001768 cations Chemical class 0.000 claims description 9
- 238000011109 contamination Methods 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 8
- 238000002845 discoloration Methods 0.000 abstract description 6
- 239000002801 charged material Substances 0.000 abstract description 2
- -1 hydroxyl radicals Chemical class 0.000 description 49
- 239000010936 titanium Substances 0.000 description 36
- 229910052751 metal Inorganic materials 0.000 description 34
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 33
- 239000002184 metal Substances 0.000 description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 30
- 238000011156 evaluation Methods 0.000 description 29
- 150000001875 compounds Chemical class 0.000 description 28
- 229910052719 titanium Inorganic materials 0.000 description 25
- 230000001699 photocatalysis Effects 0.000 description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 22
- 239000010949 copper Substances 0.000 description 22
- 229910052731 fluorine Inorganic materials 0.000 description 20
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 19
- 239000011737 fluorine Substances 0.000 description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- 239000000356 contaminant Substances 0.000 description 18
- 150000003839 salts Chemical class 0.000 description 18
- 239000000243 solution Substances 0.000 description 18
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium(II) oxide Chemical compound [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 16
- 239000002585 base Substances 0.000 description 16
- 238000000576 coating method Methods 0.000 description 16
- 229910052802 copper Inorganic materials 0.000 description 16
- 239000011701 zinc Substances 0.000 description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 15
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 15
- 229910052725 zinc Inorganic materials 0.000 description 15
- 239000010408 film Substances 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 14
- 229910052759 nickel Inorganic materials 0.000 description 14
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 13
- 239000007788 liquid Substances 0.000 description 13
- 229920001296 polysiloxane Polymers 0.000 description 13
- 150000003609 titanium compounds Chemical class 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 12
- 239000012860 organic pigment Substances 0.000 description 12
- 150000002739 metals Chemical class 0.000 description 10
- 229920002050 silicone resin Polymers 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 229910000077 silane Inorganic materials 0.000 description 9
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 8
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- 229920001451 polypropylene glycol Polymers 0.000 description 8
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 239000003989 dielectric material Substances 0.000 description 7
- 239000004721 Polyphenylene oxide Substances 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 230000003373 anti-fouling effect Effects 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 125000001153 fluoro group Chemical group F* 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 6
- PSCMQHVBLHHWTO-UHFFFAOYSA-K indium(iii) chloride Chemical compound Cl[In](Cl)Cl PSCMQHVBLHHWTO-UHFFFAOYSA-K 0.000 description 6
- 229910010272 inorganic material Inorganic materials 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 229920000570 polyether Polymers 0.000 description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- YOUIDGQAIILFBW-UHFFFAOYSA-J Tungsten(IV) chloride Inorganic materials Cl[W](Cl)(Cl)Cl YOUIDGQAIILFBW-UHFFFAOYSA-J 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 229920001400 block copolymer Polymers 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229960003280 cupric chloride Drugs 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
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- 150000002500 ions Chemical class 0.000 description 4
- 150000002736 metal compounds Chemical class 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
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- 230000008569 process Effects 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 229910052711 selenium Inorganic materials 0.000 description 4
- 239000011669 selenium Substances 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 239000011135 tin Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910021555 Chromium Chloride Inorganic materials 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 3
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052792 caesium Inorganic materials 0.000 description 3
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 3
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- AAQNGTNRWPXMPB-UHFFFAOYSA-N dipotassium;dioxido(dioxo)tungsten Chemical compound [K+].[K+].[O-][W]([O-])(=O)=O AAQNGTNRWPXMPB-UHFFFAOYSA-N 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
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- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
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- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 3
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- 125000005010 perfluoroalkyl group Chemical group 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- BGRYSGVIVVUJHH-UHFFFAOYSA-N prop-2-ynyl propanoate Chemical compound CCC(=O)OCC#C BGRYSGVIVVUJHH-UHFFFAOYSA-N 0.000 description 3
- LNBXMNQCXXEHFT-UHFFFAOYSA-N selenium tetrachloride Chemical compound Cl[Se](Cl)(Cl)Cl LNBXMNQCXXEHFT-UHFFFAOYSA-N 0.000 description 3
- 150000004756 silanes Chemical class 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 3
- 239000011882 ultra-fine particle Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
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- 241000519995 Stachys sylvatica Species 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- 150000001412 amines Chemical class 0.000 description 2
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 2
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- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
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- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
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- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical class Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 2
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- BAQNULZQXCKSQW-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4] BAQNULZQXCKSQW-UHFFFAOYSA-N 0.000 description 1
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- UAWGEYZZCKAPHY-XBFRWELRSA-N sodium;5-[(4-ethoxyphenyl)diazenyl]-2-[(e)-2-[4-[(4-ethoxyphenyl)diazenyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound [Na+].C1=CC(OCC)=CC=C1N=NC(C=C1S(O)(=O)=O)=CC=C1\C=C\C1=CC=C(N=NC=2C=CC(OCC)=CC=2)C=C1S(O)(=O)=O UAWGEYZZCKAPHY-XBFRWELRSA-N 0.000 description 1
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- NMJKIRUDPFBRHW-UHFFFAOYSA-N titanium Chemical compound [Ti].[Ti] NMJKIRUDPFBRHW-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B6/00—Cleaning by electrostatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
Definitions
- the present invention relates to a method for achieving prevention or reduction of contamination and protection of a surface by imparting a positive charge to the surface of a substrate.
- a method for forming a film having an antifouling function or a self-cleaning function on the substrate surface has been developed in order to prevent and remove contaminants from the substrate surface.
- this method for example, there is a method of forming a photocatalyst layer using anatase-type oxidite described in JP-A-9-2622481.
- Patent Document 1 Japanese Patent Laid-Open No. 9-262481
- the ultraviolet absorbent when an ultraviolet absorbent is mixed in the substrate, the ultraviolet absorbent may be decomposed by the action of components in the substrate and may not exhibit a sufficient ultraviolet absorbing effect.
- the substrate When the photocatalytic function is imparted to the substrate surface, the substrate itself may be decomposed and deteriorated by the photocatalytic action depending on the type of the substrate. In addition, since a substrate having a photocatalytic function is negatively charged, there is a problem of electrostatically adsorbing contaminants having a positive charge.
- An object of the present invention is to provide a new technique for preventing or reducing fading or discoloration of a substrate over time and at the same time preventing or reducing the adhesion of contaminants.
- the object of the present invention is achieved by disposing a positively charged substance on a substrate surface or in a substrate surface layer.
- the positively charged substance is selected from the group consisting of (1) a cation; (2) a positively charged conductor or dielectric; and (3) a conductor and a composite of dielectric or semiconductor. Or two or more kinds of positively charged substances are preferred! /.
- the substrate is preferably hydrophilic or hydrophobic, or water or oil repellent.
- an intermediate layer may be formed between the substrate surface and the positively charged substance layer.
- the intermediate layer preferably contains a fluorinated water repellent.
- the above self-cleaning action can be added to the substrate while maintaining these properties. As a result, it is possible to prevent or reduce the adhesion of contaminants to the substrate surface.
- the substrate treated by the method of the present invention has high resistance to the action itself of sunlight and the like, and the light degradation ability by sunlight or the like can be well protected.
- any surface characteristics can be imparted to the substrate by selecting the material of the intermediate layer.
- FIG. 1 is a conceptual diagram showing a positive charge imparting mechanism by a composite used in the present invention.
- FIG. 2 is a schematic diagram showing an example of a first method for producing metal-doped titanium titanium
- FIG. 3 is a conceptual diagram showing a first mode for applying a positive charge to a substrate.
- the present invention removes these contaminants by means of electrostatic repulsion, or
- the present invention is characterized in that adhesion of these contaminants to the substrate is avoided or reduced.
- the photo-oxidation reaction means that hydroxyl radicals ( ⁇ ⁇ ) and singlet oxygen 0) are converted from moisture (H 0) and oxygen (O 2) on the surface of an organic or inorganic substance by the action of electromagnetic waves including sunlight.
- the organic or inorganic material is naturally separated from the surface of the substrate using electrostatic repulsion.
- a method for imparting a positive charge to the surface of the substrate include: a positive ion; a conductor or dielectric having a positive charge; a composite of a conductor and a dielectric or semiconductor; or a positive charge selected from a mixture thereof.
- a method of arranging the substance on the surface of the substrate is mentioned.
- the cation is not particularly limited, but includes aluminum, tin, cesium, indium, cerium, selenium, chromium, nickel, antimony, iron, copper, manganese, tandastene, zirconium, zinc, and the like.
- Metal element ions are preferred, especially copper ions.
- Organic molecules having a cationic group such as hydrogen and a cationic group such as silicone modified with a quaternary nitrogen atom-containing group can also be used.
- the valence of the ion is not particularly limited. For example, a monovalent to tetravalent cation can be used.
- a metal salt may be used as a source of the metal ions.
- Various metal salts such as cerium, selenium tetrachloride, cupric chloride, manganese salt, tungsten tetrachloride, tungsten oxydichloride, potassium tungstate, oxysalt salt, zirconium chloride, zinc carbonate, and barium carbonate.
- metal hydroxides such as aluminum hydroxide, iron hydroxide, and chromium hydroxide can be used.
- Examples of positively charged conductors or dielectrics include conductors or dielectrics that generate positive charges other than the above-mentioned cations.
- a battery made of various conductors described later.
- positive dielectrics such as wool and nylon that are positively charged by friction.
- FIG. 1 is a conceptual diagram in which a combination of a conductor, a dielectric, or a semiconductor conductor is arranged on the surface of a substrate (not shown) or in a surface layer.
- the conductor can have a positive charge state on the surface due to the presence of a high concentration of free electrons that can freely move inside. It is also possible to use a conductive substance containing a cation as the conductor.
- the dielectric or semiconductor adjacent to the conductor is dielectrically polarized due to the influence of the surface charge state of the conductor.
- negative charges are generated in the dielectric or semiconductor on the side adjacent to the conductor and positive charges are generated on the non-adjacent side.
- the surface of the combination of the conductor dielectric or the semiconductor conductor is positively charged, and a positive charge is imparted to the substrate surface.
- the size of the complex (referring to the length of the longest axis passing through the complex) is 1 nm to 100 ⁇ m, preferably lnm to 10 ⁇ m, more preferably lnm to 1 m, more preferably lnm to lOOnm. It can be a range.
- the conductor constituting the composite used in the present invention is preferably a metal from the viewpoint of durability, such as anorium, tin, cesium, indium, cerium, selenium, chromium, nickel, Examples include metals such as antimony, iron, silver, copper, manganese, platinum, tungsten, zirconium, and zinc. A composite or alloy of these metals can also be used.
- the shape of the conductor is not particularly limited, and can be any shape such as particulate, flake, and fiber.
- metal salts of some metals can also be used. Specifically, aluminum chloride, 1st and 2nd tin chloride, chromium chloride, nickel chloride, 1st and 2nd antichloride, 1st and 2nd ferrous chloride, silver nitrate, cesium chloride, indium trichloride, salt ⁇ Cerium chloride, selenium tetrachloride, cupric chloride, manganese chloride, platinum chloride, tungsten tetrachloride, tungsten chloride, tungsten oxide, potassium tungstate, gold chloride chloride, oxychloride And various metal salts such as zinc chloride and lithium iron phosphate.
- hydroxides of the above conductor metals such as aluminum hydroxide, iron hydroxide and chromium hydroxide, and oxides of the above conductor metals such as zinc oxide and the like can also be used.
- Examples of the conductor include polyaline, polypyrrole, polythiophene, polythiophene vinylon, polyisothianaphthene, polyacetylene, polyalkylpyrrole, polyalkylthiophene, poly ⁇ -phenylene, polyphenylene vinylone, polymethoxyphenol.
- Conductive polymers such as diene, polyphenylene sulfide, polyphenylene oxide, polyanthracene, polynaphthalene, polypyrene, and polyazulene can also be used.
- Examples of the semiconductor include C, Si, Ge, Sn, GaAs, Inp, GeN, ZnSe, and PbSnTe.
- Semiconductor metal oxide, photo semiconductor metal, and photo semiconductor metal oxide can also be used.
- MoS, InSb, RuO, CeO, etc. are used, but the photocatalytic activity is deactivated with Na.
- Dielectrics include ferroelectric barium titanate (PZT) V, so-called SBT, BLT and PZT, PLZT— (Pb, La) (ZrZTi) 0, SBT, SBTN— SrBi (Ta, Nb)
- Composite metals such as O 2 and BSO—Bi 2 SiO can be used. Also, with organic key compounds
- Amorphous type titanium oxide does not have a photocatalytic function.
- anatase-type, wurtzite-type and rutile-type titanium oxides have a photocatalytic function.
- the photocatalytic function is lost when copper, manganese, nickel, cobalt, iron or zinc is combined at a certain concentration or more. . Therefore, the metal-doped titanic acid oxide does not have a photocatalytic function.
- Amorphous acid titanium is a force that can be converted to anatase acid titanium over time by heating with sunlight etc. When combined with copper, manganese, nickel, conoreto, iron or zinc, anatase acid titanium Since titanium loses its photocatalytic function, after all, the metal-doped titanate oxide does not exhibit a photocatalytic function over time.
- specific methods for producing the metal-doped titanate salt include the following first to third production methods and the conventionally known sol-gel method.
- the peroxidation oxidizing agent is not particularly limited, and a peroxygenation product of titanium, that is, a peroxygenated hydrogen peroxide that can be used as long as it can form peroxytitanium is preferred.
- a peroxygenation product of titanium that is, a peroxygenated hydrogen peroxide that can be used as long as it can form peroxytitanium is preferred.
- the concentration of hydrogen peroxide is not particularly limited, but 30 to 40% is preferable. It is preferable to cool the titanium hydroxide before peroxotization.
- the cooling temperature is preferably 1-5 ° C.
- FIG. 2 shows an example of the first manufacturing method.
- an aqueous solution of titanium tetrachloride and aqueous ammonia are mixed in the presence of at least one compound of copper, manganese, nickel, cobalt, iron, and zinc, and the hydroxide of the metal and titanium are mixed.
- the concentration and temperature of the reaction mixture at that time are not particularly limited, but it is preferably dilute and normal temperature.
- This reaction is a neutralization reaction, and it is preferable that the pH of the reaction mixture is finally adjusted to around 7.
- the metal and titanium hydroxides thus obtained are washed with pure water, cooled to about 5 ° C before and after, and then peroxolated with hydrogen peroxide water.
- an aqueous dispersion containing fine titanium oxide particles having amorphous peroxo groups doped with metal that is, an aqueous dispersion containing metal-doped titanium oxide can be produced.
- a tetravalent titanium compound such as tetrasalt-titanium is peroxoated with an oxidizing agent, and this is reacted with a base such as ammonia to form ultrafine particles of amorphous peroxytitanium.
- This reaction is preferably carried out in an aqueous medium. Furthermore, it can be transferred to anatase-type peroxytitanium by optionally heat-embedding. ! / Of each process above In force, at least one of copper, manganese, nickel, cobalt, iron, zinc or their compounds is mixed.
- Tetravalent titanium compounds such as tetrasalt and titanium are reacted simultaneously with the oxidizing agent and base to form titanium hydroxide and its peroxo group at the same time to form amorphous titanium peroxide with ultrafine particles. .
- This reaction is preferably carried out in an aqueous medium. Further, it can be transferred to anatase-type titanium peroxide by optionally heat-treating.
- at least one of copper, manganese, nickel, conoret, iron, zinc, or a compound thereof is mixed.
- the titanium alkoxide is mixed and stirred with a solvent such as water or alcohol, an acid or a base catalyst, and the titanium alkoxide is hydrolyzed to form a sol solution of ultrafine titanium oxide. Either before or after this hydrolysis is mixed with at least one of copper, manganese, nickel, cobalt, iron, zinc or their compounds.
- the titanium oxide thus obtained is an amorphous type having a peroxo group.
- the titanium alkoxide is represented by the general formula: Ti (OR ') (wherein the alkyl group).
- titanium alkoxide examples include Ti (0—isoC H), Ti (0—nC H),
- titanium hydroxide also called orthotitanic acid (H TiO)
- H TiO orthotitanic acid
- various titanium compounds can be used, for example, water-soluble inorganic acid salts of titanium such as titanium tetrachloride, titanium sulfate, titanium nitrate, and titanium phosphate.
- water-soluble organic acid salts of titanium such as titanium oxalate can be used.
- water solubility is particularly excellent, and no component other than titanium remains in the dispersion of the metal-doped titanic acid compound. I like it.
- the concentration of the solution is not particularly limited as long as a gel of titanium hydroxide and titanium can be formed.
- a dilute solution is preferred.
- the solution concentration of the tetravalent titanium compound is preferably 5 to 0.3% by weight, more preferably 0.9 to 0.3% by weight.
- bases to be reacted with the tetravalent titanium compound various bases can be used as long as they can react with the tetravalent titanium compound to form hydroxyaluminum titanium, including ammonia, caustic soda, Ability to illustrate sodium carbonate, caustic potash, etc. Ammonia is preferred
- the concentration of the solution is not particularly limited as long as a titanium hydroxide gel can be formed, but a relatively dilute solution may be used. preferable.
- the concentration of the base solution is preferably 10 to 0.01%, more preferably 1.0 to 0.1 wt%.
- the ammonia concentration is preferably 10 to 0.01 wt%, more preferably 1.0 to 0.1 lwt%.
- Examples of the compound of copper, manganese, nickel, cobalt, iron or zinc are as follows.
- Cu compounds Cu (OH), Cu (NO), CuSO, CuCl,
- Zivf compound Zn (NO), ZnSO, ZnCl
- the concentration of titanium peroxide in the aqueous dispersion obtained by the first to third production methods is 0.05 to 15 wt%. Is preferably 0.1 to 5 wt%.
- 1: 1 is preferable from the present invention in terms of the molar ratio of titanium to the metal component, but from the stability of the aqueous dispersion, 1 : 0. 01 to 1: 0.5 force S, preferably 1: 0. 03 to 1: 0.1.
- FIG. 3 shows an embodiment in which positive ions are imparted to the surface of the substrate by arranging cations on the surface of the substrate.
- the arrangement of cations shown in FIG. 3 is, for example, sputtering, thermal spraying, ion plating (cathode arc discharge type), CVD coating, electrodeposition coating, or the above-described metal ion salt or hydroxide.
- a method of dipping a substrate by immersing the substrate in a solution, suspension or emulsion of the product, or applying the salt, hydroxide solution, suspension or emulsion on the substrate and then drying the substrate. It can be formed by performing the process at least once. Further, for example, during cast molding, a predetermined amount of a metal ion salt or hydroxide having a positive charge, which has a higher or lower specific gravity than the liquid, is mixed into an uncured liquid of the substance constituting the substrate. Further, the positively charged substance can be disposed in the surface layer of the substrate by curing the liquid after being left for a predetermined time. When the substrate is painted, the positively charged substance may be contained in the paint.
- the arrangement of the conductor or dielectric shown in FIG. 4 is obtained, for example, by forming a metal thin film made of the above-described metal element on a substrate and using it as a positive electrode of a battery not shown. be able to.
- the surface of the substrate is covered with a film of a conductive or dielectric material.
- the thickness of the membrane is preferably from 0.01 to: LOO m force S, more preferably from 0.05 to 50 m force, and particularly preferably from 0.1 to LO / z m.
- the conductor or dielectric on the substrate may be a discontinuous layer as shown in FIG.
- the conductors or dielectrics may be discontinuously distributed on the substrate as clusters.
- FIG. 5 shows an embodiment in which a conductor dielectric or semiconductor composite is disposed on the surface of the substrate to impart a positive charge to the surface of the substrate.
- FIG. 6 shows a mechanism for removing contaminants from the positively charged substrate surface.
- Contaminants are easily removed from the substrate by physical action such as wind and rain (Fig. 6 (4)).
- the substrate is self-cleaned.
- surfactant or dispersant various organic silicon compounds can be used.
- Various organosilane compounds and various silicone oils, silicone oils, silicone rubbers, and silicone resins can be used. Those having an alkyl silicate structure or a polyether structure in the molecule, or an alkyl silicate structure and a polyether. The one with both the structure is desirable ,.
- the alkyl silicate structure refers to a structure in which an alkyl group is bonded to a silicon atom of a siloxane skeleton.
- the polyether structure is not limited to these forces.
- the molecular structure include a copolymer and a polytetramethylene glycol-polypropylene oxide copolymer.
- a polyethylene oxide polypropylene oxide block copolymer is more preferable from the viewpoint of controlling wettability depending on the block degree and molecular weight.
- TSF4445, TSF4446 (GE Toshiba Silicone Co., Ltd.), SH200 ( Toray 'Dowcoung' manufactured by Silicone Co., Ltd.), KP series (manufactured by Shin-Etsu Co., Ltd.), DC3PA, ST869A (produced by Toray 'Dowcoung' manufactured by Silicone Co., Ltd.), etc.
- SH200 Toray 'Dowcoung' manufactured by Silicone Co., Ltd.
- KP series manufactured by Shin-Etsu Co., Ltd.
- DC3PA, ST869A produced by Toray 'Dowcoung' manufactured by Silicone Co., Ltd.
- a positively charged substance layer is formed on the substrate by adding silicone or modified silicone having an alkyl silicate structure or a polyether structure, or both of them to the metal-doped titanate.
- silicone or modified silicone having an alkyl silicate structure or a polyether structure, or both of them to the metal-doped titanate.
- the photocatalytic function does not appear on the surface of the positively charged substance layer, and antifouling, antibacterial, gas decomposition, and water purification by decomposition of organic compounds are not allowed. Therefore, by using this metal-doped titanic acid compound as a composite, it becomes possible to prevent photoacidic deterioration of the substrate.
- an intermediate layer may exist between the substrate surface and the positively charged substance layer.
- the intermediate layer can be, for example, various organic or inorganic substances capable of imparting hydrophilicity or hydrophobicity or water repellency or oil repellency to the substrate.
- hydrophilic inorganic materials include SiO or other key compounds, and the above-mentioned gold
- Examples thereof include materials such as genus-doped titanic acid oxides and acid titanium oxides having a photocatalytic function.
- the photocatalytic substance contains a specific metal compound and has a function of oxidizing and decomposing organic and Z or inorganic compounds on the surface of the layer by photoexcitation.
- the principle of photocatalysis is the specific gold Genus compounds generate radical species such as water or oxygen force OH- and O- in the air by photoexcitation.
- this radical species is a redox degradation of organic and Z or inorganic compounds.
- metal compound in addition to typical titanium oxide (TiO), ZnO, SrTiOP, Cd
- a film having photocatalytic substance power is coated with an aqueous dispersion containing fine particles (about 2 ⁇ ! To 20nm) of these metal compounds together with various additives as required, and dried on a positively charged substance. Can be formed.
- the thickness of the membrane is preferably from 0.01 ⁇ m to 2.0 m, more preferably from 0.1 / ⁇ ⁇ to 1. O / z m.
- An aqueous dispersion is preferably used for forming the photocatalytic material film, but alcohol can also be used as a solvent.
- the aqueous dispersion for forming a photocatalytic substance film can be produced, for example, by the following method.
- peroxy titanium in the aqueous dispersion can be changed to acid titanium in a dry film-forming state.
- Titanium hydroxide is formed by reacting the tetravalent titanium compound described above with a base such as ammonia. Next, this titanium hydroxide is peroxoated with an oxidizing agent such as hydrogen peroxide to form amorphous fine titanium peroxide particles. Further, it is transferred to anatase type peroxytitanium by heat treatment.
- the tetravalent titanium compound described above is peroxoated with an oxidizing agent such as hydrogen peroxide and then reacted with a base such as ammonia to form an ultrafine particleed amorphous titanium peroxide.
- the tetravalent titanium compound described above is reacted with an oxidizing agent such as hydrogen peroxide or hydrogen and a base such as ammonia to simultaneously form hydroxide and titanium and peroxo, thereby forming amorphous fine particles. Form titanium peroxide. Further, it is transferred to anatase-type titanium peroxide by heat treatment.
- an oxidizing agent such as hydrogen peroxide or hydrogen and a base such as ammonia
- a base such as ammonia
- metal salts examples include metal salts such as aluminum, tin, chromium, nickel, antimony, iron, silver, cesium, indium, cerium, selenium, copper, manganese, calcium, platinum, tandastene, zirconium, and zinc.
- metal salts such as aluminum, tin, chromium, nickel, antimony, iron, silver, cesium, indium, cerium, selenium, copper, manganese, calcium, platinum, tandastene, zirconium, and zinc.
- a hydroxide or an acid can be used for some metals or non-metals.
- Various metal salts such as salty zirconium and salty zinc can be exemplified.
- Examples of compounds other than metal salts include indium hydroxide, key tungstic acid, silica sol, calcium hydroxide, and the like.
- an amorphous type titanium oxide titanium In order to improve the adhesion of the photocatalytic material film, it is also possible to add an amorphous type titanium oxide titanium.
- water-repellent organic substances include polyethylene, polypropylene, polystyrene and other polyolefins; polyacrylate, acrylonitrile 'styrene copolymer (AS), acrylonitrile' butadiene. Styrene copolymer (ABS) and other acrylic resins.
- Fatty Fatty; Polyacrylonitrile; Polyhalogenated burs such as polychlorinated bures and polychlorinated vinylidene; Fluorine resin such as Ride (PVDF) and vinylidene fluoride 'trifluoroethylene copolymer; Polyester such as polyethylene terephthalate and polycarbonate; Phenolic resin; Urea resin; Melamine resin; Polyimide resin; Polyamide resin such as nylon; Epoxy resin; Polyureta Etc. The.
- Fluororesin is preferred as the water-repellent organic substance, and in particular, polyvinylidene fluoride trifluorethylene copolymer and polyvinylidene fluoride having ferroelectricity and water repellency. Type crystals and those containing them are preferred.
- Commercially available fluorine resin can be used, and examples of commercially available products include HIREC1550 manufactured by NTT-AT Corporation.
- a copolymer composed of two or more kinds of olefins containing fluorine atoms, a copolymer of olefins containing fluorine atoms and hydrocarbon monomers, and two or more kinds of olefins containing fluorine atoms are also provided.
- At least one fluorine resin selected from the group consisting of a mixture of a copolymer and a thermoplastic acrylic resin, a fluorine resin emulsion made of a surfactant, and a hardener No. 124880, JP-A-5-117578, JP-A-5-179191) and Z or a composition having the above-described silicone-resin-based water repellent power (JP-A 2000-121543, JP-A 2003) — Refer to publication 26461).
- this fluororesin emulsion commercially available ones can be used, and they can be purchased as Daimler Kogyo Co., Ltd. as a Zeffle series and Asahi Glass Co., Ltd. as a Lumiflon series.
- the curing agent a melamine curing agent, an amine curing agent, a polyvalent isocyanate curing agent, and a block polyvalent isocyanate curing agent are preferably used.
- Examples of the water-repellent inorganic material include silane-based, siliconate-based, silicone-based and silane composite-based, or fluorine-based water repellent or water absorption inhibitor.
- Particularly preferable examples of the fluorine-based water repellent include fluorine-containing compounds or fluorine-containing compound-containing compositions such as perfluoroalkyl group-containing compounds. If a fluorine-containing compound with high adsorptivity to the substrate surface is selected, the chemical component of the water repellent or water absorption inhibitor reacts with the substrate after application to the substrate surface to form a chemical bond. Or the chemical components need to be cross-linked.
- the fluorine-containing compound that can be used as such a fluorine-based water repellent is preferably a compound having a molecular weight of 1,000 to 20,000 containing a perfluoroalkyl group in the molecule.
- Perfluorosulfonate, perfluorosulfonic acid ammonium salt, perfluorocarboxylate, perfluoroalkyl betaine, perfluoroalkylethylene oxide adduct, perfluoroalkyl Examples include amine oxides, perfluoroalkyl phosphate esters, and perfluoroalkyltrimethylammonium salts.
- perfluoroalkyl phosphate ester and perfluoroalkyltrimethyl ammonium salt are preferred because of their excellent adsorptivity to the substrate surface.
- fluorine-based water repellents include Surflon S-112 and Surflon S-121 (both trade names, Michemical Co., Ltd.), Fluoro Surf FG-5010 (manufactured by Fluoro Technology Co., Ltd.), etc.
- the characteristics of the substrate surface are changed from water repellency to hydrophilicity by controlling the irradiation of electromagnetic waves containing ultraviolet rays such as ultraviolet rays or sunlight onto the substrate surface. Can be made.
- the protection mode can be freely changed according to the characteristics required of the substrate. Therefore, when utilizing both the contact angle characteristics of water and oil and the surface charge characteristics, use of a fluorine-based water repellent is possible. Is particularly preferred.
- an intermediate layer containing a silane compound on the substrate in advance. Since this intermediate layer contains a large amount of Si—O bond, it is possible to improve the strength of the positively charged material layer and the adhesion to the substrate.
- the intermediate layer also has a function of preventing moisture from entering the substrate.
- Examples of the silane compound include hydrolyzable silanes, hydrolysates thereof, and mixtures thereof.
- Various alkoxysilanes can be used as the hydrolyzable silane, and specific examples include tetraalkoxysilane, alkyltrialkoxysilane, dialkyldialkoxysilane, and trialkylalkoxysilane.
- one type of hydrolyzable silane may be used alone, or two or more types of hydrolyzable silanes may be mixed and used as necessary.
- Various organopolysiloxanes may be blended with these silanic compounds.
- As an intermediate layer forming agent containing such a Silane compound there is Dryeal S (manufactured by Dowco Jung Silicone Co., Ltd.).
- a room temperature curable silicone resin such as methyl silicone resin and methylphenyl silicone resin may be used.
- room temperature curable silicone resins include AY42-170, SR2510, SR2406, SR2410, SR2405, SR241 1 (manufactured by Toray “Dowcoung” Silicone Co., Ltd.).
- the intermediate layer may be colorless and transparent, or may be colored transparent, translucent or opaque. Coloring here includes not only red, blue, green, etc. but also white. In order to obtain a colored intermediate layer, it is preferable to mix various colorants such as inorganic or organic pigments or dyes in the intermediate layer.
- the inorganic pigment include carbon black, graphite, yellow lead, iron oxide yellow, red lead, red iron oxide, ultramarine blue, chromium oxide green, iron oxide and the like.
- organic pigments As organic pigments, azo organic pigments, phthalocyanine organic pigments, selenium organic pigments, quinotalidone organic pigments, dioxazine organic pigments, isoindolinone organic pigments, diketopyrrolopyrrole and various metal complexes are used. Although it is possible, it should have excellent light resistance.
- light-resistant organic pigments include, for example, Hansa Yellow, toluidine red, which is an insoluble azo organic pigment, phthalocyanine blue B, which is a phthalocyanine organic pigment, quinacridone red, which is a quinacridone organic pigment, and the like. Is mentioned.
- Examples of the dye include basic dyes, direct dyes, acid dyes, vegetable dyes, etc., but those having excellent light resistance are preferred.
- the dye include basic dyes, direct dyes, acid dyes, vegetable dyes, etc., but those having excellent light resistance are preferred.
- red direct scarlet, loxerin, azolbin, orange Direct Orange R Conch, Acid Orange and Yellow are particularly preferred, such as Chrysophenine NS and Methanil Yellow
- Brown are Direct Brown KGG and Acid Brown R
- Blue is Direct Blue B
- Black is Direct Black GX and Nigguchi Shin BHL.
- the mixing ratio (weight ratio) of these silane compound or silicone resin and pigment is in the range of 1: 2 to 1: 0.05.
- the range of 1: 1 to 1: 0.1 is more preferable.
- the intermediate layer may further contain additives such as a dispersant, a stabilizer, and a leveling agent. These additives have an effect of facilitating the formation of the intermediate layer. Furthermore, when a coloring agent such as a pigment 'dye is blended, a binder for fixing the coloring agent can be added. As binders in this case, binders for various paints mainly composed of acrylic acid ester and acrylic acid ester copolymerized resin having excellent weather resistance can be used. For example, Polysol AP-3720 (Showa Polymer Co., Ltd.) Company), Polysol AP-609 (Showa Polymer Co., Ltd.), and the like.
- any known method can be used. For example, spray coating method, dip coating method, flow coating method, spin coating method, roll coating method, Brush painting, sponge painting, etc. are possible.
- spray coating method dip coating method, flow coating method, spin coating method, roll coating method, Brush painting, sponge painting, etc. are possible.
- the thickness of the intermediate layer formed as described above is not particularly limited, but is preferably 0.01 to 1.0 ⁇ m force, more preferably 0.05 to 0.3 ⁇ m force ⁇ I like it!
- 1.0 m to 100 m force S is preferable, and 10 m to 50 m force S is more preferable.
- the substrate surface has been protected by coating the substrate surface with an organic or inorganic substance having excellent water repellency / oil repellency or hydrophilic 'hydrophobicity'. Since inorganic substances generally have a negative charge, there is a problem that contaminants adhere with time and their protective properties are significantly lost. However, in the present invention, such a problem does not occur because a positive charge is imparted to the surface of the substrate. In addition, since the chemical properties of the substrate surface are not impaired, self-cleaning properties can be imparted while maintaining the properties of the organic or inorganic substance.
- the positive charge on the substrate surface can reduce the deterioration of the substrate due to electromagnetic waves. That is, the oxidation deterioration of the substrate is caused by the generation of radicals such as' ⁇ , ⁇ ⁇ , etc. due to electromagnetic waves such as ultraviolet rays on the surface of the substrate or in the substrate to cause an oxidative decomposition reaction.
- the positively charged surface of the substrate makes these radicals stable molecules. Therefore, it is considered that the oxidative deterioration of the substrate is prevented or reduced.
- the same process force can reduce the generation of wrinkles.
- the present invention can be used in various fields where various design properties and high waterproof / antifouling performance are required. Glass, metal, ceramics, concrete, wood, stone, polymer resin cover, high Molecular resin sheets, fibers (clothing, curtains, etc.), sealing agents, etc., or combinations thereof, building materials; outdoor units for air conditioning; kitchen equipment; sanitary equipment; lighting equipment; automatic Cars; Bicycles; Motorcycles; Aircrafts; Trains; Goods used indoors and outdoors, such as ships, and various machines, electronic devices, televisions and other face panels.
- buildings such as houses, buildings, roads, and tunnels constructed using the building materials preferred for building materials can exhibit a high waterproof / antifouling effect over time.
- 7% hydrogen peroxide solution: 5% aqueous ammonia 1: 1 (volume ratio) 20 g of copper was added to 1 g of copper, and the solution was allowed to stand for 16 hours.
- a positive charge imparting solution was prepared by adding 0.5% (volume ratio) of an -on surfactant (Clean Through 710M manufactured by Kao Corporation).
- the photocatalyst function-imparting solution (B56: manufactured by Sustainable Technology Co., Ltd.) was sprayed and applied at a rate of 50 gZm 2 (wet state), and after surface drying, heated at 200 ° C. for 15 minutes. After cooling to normal temperature, the positive charge imparting liquid of Reference Example was brushed, dried at room temperature, and then heated at 100 ° C for 15 minutes to prepare an evaluation substrate.
- the following operation was performed to determine the charge state of the surface of the evaluation substrate.
- a strip of pulp 100% made of pulp (100% Kim Towel Wiper White: width 20mm, length 150mm, weight 0.08 lg) in an atmosphere of 18 ° C and 40% humidity.
- the pieces were rubbed with each other to charge the surface of the pieces with positive static electricity.
- the evaluation substrate was placed vertically using a polystyrene book stand, and the interval between the strips was set to about 5 mm, and whether the strips adsorbed or repelled on the evaluation substrate was observed. When adsorbing, it is determined that the substrate surface is negatively charged, and when repelling, it is determined that the substrate surface is positively charged.
- the following operations were performed to determine the hydrophilicity / water repellency of the evaluation substrate surface.
- One drop (0.028 to 0.029 g) of pure water was dropped onto an evaluation substrate placed horizontally using a dropper with a height force within 10 mm.
- the contact angle formed by the dropped water droplets on the surface of the evaluation substrate is visually observed with a protractor meter. When the contact angle is 40 ° or less, the contact angle is hydrophilic. In the above case, it was determined as water repellent. The results are shown in the table.
- Example 7 In order to determine the surface characteristics of only the evaluation substrates of Example 7 and Comparative Example 7, the evaluation substrate was placed horizontally and oil-based magic ink black (line width 5. Omm: manufactured by Teranishi Kogyo Co., Ltd.) ) Draw a line on the surface. An oil repellency was determined when the black line width on the evaluation substrate surface was 2 mm or less. The results are shown below.
- the evaluation substrates of Comparative Examples 1 to 7 to which the positive charge imparting liquid is not applied have a positive surface.
- Examples 1 to 7 coated with a positive charge imparting solution are all positively charged.
- the surface characteristics of the evaluation board do not change between the example and the comparative example.
- the surface charge state of the substrate is positively changed while vigorously changing the surface characteristics of various substrates, thereby realizing the prevention and removal of positively charged contaminants. be able to.
- a red organic dye was applied to the surface of the evaluation substrate of Example 5
- the evaluation substrate of Example 5 had a photocatalyst layer as the first layer, but the surface of the organic dye was not present. Decomposition was unseen.
- Example 7 The evaluation board created in Example 7 and the evaluation board of Comparative Example 7 were subjected to an exposure test in Saga Prefecture, and the contamination state of each substrate surface and the contact angle with water were evaluated. Specifically, each evaluation board is exposed to sunlight outdoors for 18 days, and then released in the dark for 2 days.
- the evaluation board of Comparative Example 7 always has strong water repellency, but the evaluation board of Example 7 becomes hydrophilic when exposed to sunlight, while it exhibits water repellency when not exposed to sunlight. Become. Therefore, based on the results shown in Table 2, when an intermediate layer containing a fluorine-based water repellent is formed between the substrate and the positively charged substance layer, the surface characteristics of the substrate can be controlled to be water repellent or hydrophilic. I understand that there is. In Evaluation 2, the results were the same for both of the twice performed forces.
Landscapes
- Laminated Bodies (AREA)
- Catalysts (AREA)
- Cleaning In General (AREA)
- Prevention Of Fouling (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007557807A JPWO2007091479A1 (ja) | 2006-02-10 | 2007-02-01 | 基体の保護方法 |
EP07707876A EP1982776A4 (en) | 2006-02-10 | 2007-02-01 | PROCESS FOR PROTECTING A BASE |
US12/223,723 US20090061104A1 (en) | 2006-02-10 | 2007-02-01 | Method for Protecting Substrate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-033575 | 2006-02-10 | ||
JP2006033575 | 2006-02-10 |
Publications (1)
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WO2007091479A1 true WO2007091479A1 (ja) | 2007-08-16 |
Family
ID=38345082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/051690 WO2007091479A1 (ja) | 2006-02-10 | 2007-02-01 | 基体の保護方法 |
Country Status (6)
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US (1) | US20090061104A1 (ja) |
EP (1) | EP1982776A4 (ja) |
JP (1) | JPWO2007091479A1 (ja) |
KR (1) | KR20080094784A (ja) |
CN (1) | CN101378854A (ja) |
WO (1) | WO2007091479A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009212435A (ja) * | 2008-03-06 | 2009-09-17 | Sharp Corp | 低反射性基体及びそれを用いた太陽電池モジュール並びに低反射性基体の製造方法。 |
WO2009125846A1 (ja) * | 2008-04-11 | 2009-10-15 | 中央精機株式会社 | 基体の保護方法 |
JP2019099693A (ja) * | 2017-12-04 | 2019-06-24 | 星和電機株式会社 | 基体保護液、基体保護方法、および基体 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI285566B (en) * | 2004-05-06 | 2007-08-21 | Sustainable Titania Technology | Method for protecting substrate |
EP2045025A4 (en) * | 2006-07-25 | 2013-01-02 | Sustainable Titania Technology Inc | METHOD FOR PROTECTING A BASE BODY |
CN107090127B (zh) * | 2017-05-11 | 2019-03-15 | 温州市赢创新材料技术有限公司 | 一种具有良好微波吸收性能的增强聚丙烯材料 |
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JP2009212435A (ja) * | 2008-03-06 | 2009-09-17 | Sharp Corp | 低反射性基体及びそれを用いた太陽電池モジュール並びに低反射性基体の製造方法。 |
WO2009125846A1 (ja) * | 2008-04-11 | 2009-10-15 | 中央精機株式会社 | 基体の保護方法 |
JP5624458B2 (ja) * | 2008-04-11 | 2014-11-12 | 中央精機株式会社 | 基体の保護方法 |
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JP2019099693A (ja) * | 2017-12-04 | 2019-06-24 | 星和電機株式会社 | 基体保護液、基体保護方法、および基体 |
JP7101469B2 (ja) | 2017-12-04 | 2022-07-15 | 星和電機株式会社 | 基体保護液、基体保護方法、および基体 |
Also Published As
Publication number | Publication date |
---|---|
KR20080094784A (ko) | 2008-10-24 |
EP1982776A1 (en) | 2008-10-22 |
US20090061104A1 (en) | 2009-03-05 |
CN101378854A (zh) | 2009-03-04 |
JPWO2007091479A1 (ja) | 2009-07-02 |
EP1982776A4 (en) | 2011-09-07 |
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