JP2001149855A - Photocatalytic colored coated article - Google Patents
Photocatalytic colored coated articleInfo
- Publication number
- JP2001149855A JP2001149855A JP2000277017A JP2000277017A JP2001149855A JP 2001149855 A JP2001149855 A JP 2001149855A JP 2000277017 A JP2000277017 A JP 2000277017A JP 2000277017 A JP2000277017 A JP 2000277017A JP 2001149855 A JP2001149855 A JP 2001149855A
- Authority
- JP
- Japan
- Prior art keywords
- photocatalytic
- colored
- coating
- coated article
- paint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 87
- 238000000576 coating method Methods 0.000 claims abstract description 103
- 239000011248 coating agent Substances 0.000 claims abstract description 101
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000003973 paint Substances 0.000 claims description 67
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 21
- 239000011230 binding agent Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 12
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 abstract description 19
- 239000008199 coating composition Substances 0.000 abstract description 17
- 239000000049 pigment Substances 0.000 description 29
- -1 polytetrafluoroethylene Polymers 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 22
- 230000003373 anti-fouling effect Effects 0.000 description 20
- 239000004568 cement Substances 0.000 description 16
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 12
- 230000014759 maintenance of location Effects 0.000 description 12
- 238000004040 coloring Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 11
- 239000011941 photocatalyst Substances 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000004927 clay Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 235000010215 titanium dioxide Nutrition 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- 235000014692 zinc oxide Nutrition 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 238000006864 oxidative decomposition reaction Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000010428 baryte Substances 0.000 description 4
- 229910052601 baryte Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000001747 exhibiting effect Effects 0.000 description 4
- 239000001023 inorganic pigment Substances 0.000 description 4
- 239000004611 light stabiliser Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920002050 silicone resin Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000004111 Potassium silicate Substances 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- AUNAPVYQLLNFOI-UHFFFAOYSA-L [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O Chemical compound [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O AUNAPVYQLLNFOI-UHFFFAOYSA-L 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001443 photoexcitation Effects 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 3
- 229910052913 potassium silicate Inorganic materials 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 150000004756 silanes Chemical class 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 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
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- BLJNPOIVYYWHMA-UHFFFAOYSA-N alumane;cobalt Chemical compound [AlH3].[Co] BLJNPOIVYYWHMA-UHFFFAOYSA-N 0.000 description 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 2
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 2
- 229910052912 lithium silicate Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 2
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 2
- ZQZCOBSUOFHDEE-UHFFFAOYSA-N tetrapropyl silicate Chemical compound CCCO[Si](OCCC)(OCCC)OCCC ZQZCOBSUOFHDEE-UHFFFAOYSA-N 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- QBZIEGUIYWGBMY-FUZXWUMZSA-N (5Z)-5-hydroxyimino-6-oxonaphthalene-2-sulfonic acid iron Chemical compound [Fe].O\N=C1/C(=O)C=Cc2cc(ccc12)S(O)(=O)=O.O\N=C1/C(=O)C=Cc2cc(ccc12)S(O)(=O)=O.O\N=C1/C(=O)C=Cc2cc(ccc12)S(O)(=O)=O QBZIEGUIYWGBMY-FUZXWUMZSA-N 0.000 description 1
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- SDGKUVSVPIIUCF-UHFFFAOYSA-N 2,6-dimethylpiperidine Chemical compound CC1CCCC(C)N1 SDGKUVSVPIIUCF-UHFFFAOYSA-N 0.000 description 1
- SFRDXVJWXWOTEW-UHFFFAOYSA-N 2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)CO SFRDXVJWXWOTEW-UHFFFAOYSA-N 0.000 description 1
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- DAJFVZRDKCROQC-UHFFFAOYSA-N 3-(oxiran-2-ylmethoxy)propyl-tripropoxysilane Chemical compound CCCO[Si](OCCC)(OCCC)CCCOCC1CO1 DAJFVZRDKCROQC-UHFFFAOYSA-N 0.000 description 1
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 1
- URDOJQUSEUXVRP-UHFFFAOYSA-N 3-triethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CCO[Si](OCC)(OCC)CCCOC(=O)C(C)=C URDOJQUSEUXVRP-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- JZYAVTAENNQGJB-UHFFFAOYSA-N 3-tripropoxysilylpropyl 2-methylprop-2-enoate Chemical compound CCCO[Si](OCCC)(OCCC)CCCOC(=O)C(C)=C JZYAVTAENNQGJB-UHFFFAOYSA-N 0.000 description 1
- WZSFTHVIIGGDOI-UHFFFAOYSA-N 4,5,6,7-tetrachloro-3-[2-methyl-3-[(4,5,6,7-tetrachloro-3-oxoisoindol-1-yl)amino]anilino]isoindol-1-one Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C2=C1C(NC1=CC=CC(NC=3C4=C(C(=C(Cl)C(Cl)=C4Cl)Cl)C(=O)N=3)=C1C)=NC2=O WZSFTHVIIGGDOI-UHFFFAOYSA-N 0.000 description 1
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- ZLGWXNBXAXOQBG-UHFFFAOYSA-N triethoxy(3,3,3-trifluoropropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCC(F)(F)F ZLGWXNBXAXOQBG-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- BJDLPDPRMYAOCM-UHFFFAOYSA-N triethoxy(propan-2-yl)silane Chemical compound CCO[Si](OCC)(OCC)C(C)C BJDLPDPRMYAOCM-UHFFFAOYSA-N 0.000 description 1
- UDUKMRHNZZLJRB-UHFFFAOYSA-N triethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OCC)(OCC)OCC)CCC2OC21 UDUKMRHNZZLJRB-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- JLGNHOJUQFHYEZ-UHFFFAOYSA-N trimethoxy(3,3,3-trifluoropropyl)silane Chemical compound CO[Si](OC)(OC)CCC(F)(F)F JLGNHOJUQFHYEZ-UHFFFAOYSA-N 0.000 description 1
- LGROXJWYRXANBB-UHFFFAOYSA-N trimethoxy(propan-2-yl)silane Chemical compound CO[Si](OC)(OC)C(C)C LGROXJWYRXANBB-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- VUWVDNLZJXLQPT-UHFFFAOYSA-N tripropoxy(propyl)silane Chemical compound CCCO[Si](CCC)(OCCC)OCCC VUWVDNLZJXLQPT-UHFFFAOYSA-N 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 229910009112 xH2O Inorganic materials 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Catalysts (AREA)
- Paints Or Removers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は部材表面が意匠的に
着色された物品に関し、光触媒性塗膜が形成された光触
媒性被覆物品および、該被覆形成用透明光触媒性組成物
および、該被覆用着色塗料組成物に関する。特に建造物
や構造物などの表面を親水化することにより、表面が汚
れることを防止し、または表面に付着した汚れを水を用
いて容易に清浄化することが可能な耐久性に優れた着色
塗膜を形成した光触媒性着色被覆物品および該被覆用着
色塗料組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article in which the surface of a member is decoratively colored, and more particularly to a photocatalytic coated article having a photocatalytic coating film formed thereon, a transparent photocatalytic composition for forming the coating, and a coating composition for the coating. The present invention relates to a coloring paint composition. Particularly durable coloring that makes it possible to prevent soiling of the surface by making the surface of buildings and structures hydrophilic, or to easily clean dirt attached to the surface with water. The present invention relates to a photocatalytic colored coated article formed with a coating film and a colored coating composition for coating.
【０００２】[0002]
【従来の技術】近年、建築及び塗料の分野においては、
環境汚染に伴い、建築外装材料や屋外建造物、あるいは
構造物や車両等の塗膜の汚れが問題となっている。大気
中に浮遊する煤塵や粒子は晴天時には建物の屋根や外
壁、構造物の表面に堆積する。堆積物は降雨に伴い雨水
により流され、建物の外壁や構造物の表面を流下する。
更に、雨天時には浮遊煤塵は雨によって持ち運ばれ、建
物の外壁や構造物の表面を流下する。その結果、表面に
は、雨水の道筋に沿って汚染物質が付着する。表面が乾
燥すると、表面には縞状の汚れが現れる。建築外装や屋
外構造物の塗膜の汚れは、カーボンブラックのような燃
焼生成物、都市煤塵、粘土粒子のような無機質物質の汚
染物質からなる。このような汚染物質の多様性が防汚対
策を複雑にしているものと考えられる（橘高義典著、”
外壁仕上材料の汚染の促進試験方法”、日本建築学会構
造系論文報告集、第４０４号、１９８９年１０月、ｐ．
１５−２４）。従来の通念では、上記建築外装などの汚
れを防止するためにはポリテトラフルオロエチレン（Ｐ
ＴＦＥ）のような撥水性の塗料が好ましいと考えられて
いたが、最近では、疎水性成分を多く含む都市煤塵に対
しては、塗膜の表面を出来るだけ親水性にするのが望ま
しいと考えられている（高分子、４４巻、１９９５年５
月号、ｐ．３０７）。2. Description of the Related Art In recent years, in the fields of construction and paint,
Along with environmental pollution, stains on coating films of building exterior materials, outdoor buildings, structures, vehicles and the like have become a problem. Dust and particles suspended in the air accumulate on the roofs, outer walls and structures of buildings in fine weather. Sediment is washed away by rainwater as it rains and flows down the outer walls of buildings and the surface of structures.
Furthermore, in the rain, the floating dust is carried by the rain and flows down on the outer wall of the building or the surface of the structure. As a result, pollutants adhere to the surface along the path of rainwater. When the surface dries, striped stains appear on the surface. Stain on coatings on building exteriors and outdoor structures consists of combustion products, such as carbon black, and inorganic contaminants, such as urban dust and clay particles. This diversity of contaminants is thought to complicate antifouling measures (Yoshinori Tachibana,
Test Method for Acceleration of Contamination of Exterior Wall Finishing Material ", Architectural Institute of Japan, Structural System Reports, No. 404, October 1989, p.
15-24). According to conventional wisdom, in order to prevent dirt on the building exterior and the like, polytetrafluoroethylene (P
Although water-repellent paints such as TFE) have been considered preferable, recently it has been considered that it is desirable to make the surface of the paint film as hydrophilic as possible for urban dust containing a large amount of hydrophobic components. (Polymer, Vol. 44, May 1995)
Monthly issue, p. 307).
【０００３】一方、基材表面を親水性にする方法とし
て、半導体光触媒の光励起作用により物品の表面を高度
に親水化する方法がある（特許第２７５６４７）。この
方法に従えば、光触媒性半導体組成物で被覆された物品
の表面は紫外線が照射されることにより高度に親水化さ
れ、かつ暗所においても長期にわたり親水性が維持され
る。また、暗所に長期放置されたり、表面が汚れた場合
でも光照射により繰り返し親水化することができる。On the other hand, as a method of making the surface of a base material hydrophilic, there is a method of making the surface of an article highly hydrophilic by the photoexciting action of a semiconductor photocatalyst (Japanese Patent No. 275647). According to this method, the surface of the article coated with the photocatalytic semiconductor composition is highly hydrophilized by irradiation with ultraviolet rays, and the hydrophilicity is maintained for a long time even in a dark place. Further, even when the surface is left in a dark place for a long time or the surface is soiled, it can be repeatedly hydrophilized by light irradiation.
【０００４】[0004]
【発明が解決しようとする課題】従来の低汚染塗料は、
塗料表面を親水性に改質したものとして上市されてい
る。これらは、親水化するのに数ヶ月以上の時間を要
し、防汚性を施工直後から発揮することができずに親水
化する前に汚れてしまうことがあった。さらに、到達接
触角が、光触媒性親水性に比べ高く約３０度以上あり、
優れた防汚性能を発揮することができなかった。The conventional low-contamination paints are:
It is marketed as a paint whose surface has been modified to be hydrophilic. These require a period of several months or more to hydrophilize, fail to exhibit antifouling properties immediately after construction, and sometimes become soiled before hydrophilization. Furthermore, the reaching contact angle is higher than the photocatalytic hydrophilicity and is about 30 degrees or more,
Excellent antifouling performance could not be exhibited.
【０００５】また、従来の防汚塗料の中には、屋外での
使用とともに経時的に着色塗膜全体がチョーキングを起
こし、塗膜が削られながら、フレッシュな塗膜表面を露
出して、清浄な意匠を保つというものがあった。しかし
これは、長期にわたり使用することはできなかった。ま
た長期にわたり使用するためには、削られる量を見越し
て非常に厚い膜厚を形成する必要があった。[0005] Some conventional antifouling paints cause chalking of the entire colored coating over time as it is used outdoors, exposing the fresh coating surface while shaving the coating, and cleaning the coating. There was a thing which kept a simple design. However, it could not be used for a long time. Also, in order to use it for a long time, it was necessary to form a very thick film in anticipation of the amount to be cut.
【０００６】本発明は、前記課題を背景になされたもの
で、本発明の目的は、施工後すぐに優れた防汚性を発現
し、省工数で、低コストで意匠性に優れた光触媒性着色
被覆物品を提供することにある。さらに、光触媒性着色
被覆物品を製造するための透明光触媒性組成物および、
着色塗料組成物を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to exhibit excellent antifouling properties immediately after construction, to reduce man-hours, to reduce the cost, and to provide a photocatalyst excellent in design. It is to provide a colored coated article. Further, a transparent photocatalytic composition for producing a photocatalytic colored coated article, and
It is to provide a coloring paint composition.
【０００７】[0007]
【課題を解決するための手段および作用】上記課題を達
成するために、第一の発明は、基材と、高耐候性結着剤
を塗膜形成要素として含む着色塗膜と、透明である光触
媒性塗膜とからなる光触媒性着色被覆物品である。更
に、本発明の好ましい態様としては、基材と、その基材
上に形成された高耐候性結着剤を塗膜形成要素として含
む着色塗膜と、その着色塗膜上に形成された透明である
光触媒性塗膜とからなる光触媒性着色被覆物品がある。
着色塗膜に高耐候性結着材を含むことで、光触媒性塗膜
による酸化分解を抑制するためのバリヤ層が無くても、
省工数で、低コストで、着色塗料の寿命と同等の実用的
な耐久性を持つ優れた防汚性能を持つ光触媒性着色被覆
物品を提供することができる。本発明において、透明で
あるとは、透過率が１００％かそれに近いもののみなら
ず、いわゆる半透明であってもその透明層の下層の色彩
がある程度透過できる程度のものも含むものとする。In order to achieve the above object, a first aspect of the present invention is to provide a base material, a colored coating film containing a highly weather-resistant binder as a coating material, and a transparent film. A photocatalytic colored coated article comprising a photocatalytic coating film. Further, as a preferred embodiment of the present invention, a substrate, a colored coating film containing a highly weather-resistant binder formed on the substrate as a film-forming element, and a transparent film formed on the colored coating film And a photocatalytic colored coated article comprising a photocatalytic coating film.
By including a highly weatherable binder in the colored coating, even if there is no barrier layer for suppressing oxidative decomposition by the photocatalytic coating,
It is possible to provide a photocatalytic colored coated article having excellent antifouling performance having practical durability equivalent to the life of a colored coating material with low man-hours and low cost. In the present invention, the term “transparent” includes not only a material having a transmittance of 100% or close to it, but also a material that is so-called semi-transparent and can transmit the color of the lower layer of the transparent layer to some extent.
【０００８】上記課題を達成するために、第二の発明
は、前記発明における着色塗膜として、フッ素系塗料、
無機系塗料、ハイブリッド塗料、アクリルシリコン系塗
料、アクリルウレタン系塗料のいずれかを用いた第一の
発明記載の光触媒性着色被覆物品である。着色塗膜に高
耐久の市販塗料を使うことで、光触媒の酸化分解力に対
する耐性があり、低コストで、省工数で、着色塗料の寿
命と同等の実用的な耐久性を持ち、施工すぐに優れた親
水性を発現し、優れた防汚性能を持つ光触媒性着色被覆
物品を提供することができる。[0008] In order to achieve the above object, a second aspect of the present invention is to provide a color coating film according to the above aspect, wherein
The photocatalytic colored coated article according to the first invention, using any of an inorganic paint, a hybrid paint, an acrylic silicone paint, and an acrylic urethane paint. By using a highly durable commercial paint for the colored coating, it is resistant to the oxidative decomposition of the photocatalyst, has low cost, saves man-hours, has practical durability equivalent to the life of the colored paint, and can be installed immediately. A photocatalytic colored coated article that exhibits excellent hydrophilicity and has excellent antifouling performance can be provided.
【０００９】上記課題を達成するために、第三の発明
は、前記発明における着色塗膜は艶消しである第一の発
明又は第二の発明いずれか記載の光触媒性着色被覆物品
である。光触媒塗膜が透明であると、下地の艶消し着色
塗膜に被覆すると、そのまま艶消しにすることができ
る。そのようにすることで、光触媒の酸化分解作用によ
る塗膜表面の損傷を受けても、表面組織の凹凸変化を受
けた後の光沢の変化を軽減することができる。光沢度の
変化が起きても、初期から艶消しであれば、光沢が低下
しても、目視外観上、気にならないので、着色塗料の寿
命と同等の実用的な耐久性を持ち、優れた防汚性能を持
つ光触媒性着色被覆物品を提供することができる。[0009] To achieve the above object, a third invention is the photocatalytic colored coated article according to either the first invention or the second invention, wherein the colored coating film in the above invention is matte. When the photocatalyst coating film is transparent, it can be matted as it is when coated on the base matte-colored coating film. By doing so, even if the coating film surface is damaged by the oxidative decomposition action of the photocatalyst, it is possible to reduce the change in gloss after receiving the unevenness of the surface structure. Even if a change in gloss occurs, if the matte is initially used, even if the gloss decreases, it does not matter on the visual appearance, so it has practical durability equivalent to the life of the colored paint and excellent A photocatalytic colored coated article having antifouling performance can be provided.
【００１０】さらに望ましくは、着色塗膜が、艶消しで
あって、高耐候性結着材を含み、あるいは、アクリルシ
リコン系塗料、フッ素系塗料、無機系塗料、ハイブリッ
ド塗料、アクリルウレタン系塗料のいずれかを用いるの
着色塗膜を介して形成する。そうすると、着色塗料の寿
命をさらに延ばした耐久性を持つ優れた防汚性能を持つ
光触媒性着色被覆物品を提供することができる。[0010] More preferably, the colored coating film is matte and contains a highly weather-resistant binder, or is made of acrylic silicone paint, fluorine paint, inorganic paint, hybrid paint, acrylic urethane paint. It is formed via a colored coating film using either of them. Then, it is possible to provide a photocatalytic colored coated article having excellent antifouling performance with durability, which further extends the life of the colored paint.
【００１１】上記課題を達成するために、第四の発明
は、前記発明記載の着色塗膜の６０度鏡面光沢度が、１
％以上５０％以下であることを特徴とする第一の発明乃
至第三の発明いずれか記載の光触媒性着色被覆物品であ
る。そうすると、省工数で、低コストで、着色塗料の寿
命同等の実用的な耐久性を持つ優れた防汚性能を持つ光
触媒性着色被覆物品を提供することができる。[0011] To achieve the above object, a fourth invention provides a colored coating film according to the above invention, wherein the 60-degree specular glossiness is 1 degree.
% Of the photocatalytic colored coated article according to any one of the first to third inventions, characterized in that the content is at least 50%. Then, a photocatalytic colored coated article having excellent antifouling performance with practical durability equivalent to the life of the colored paint can be provided with a reduced number of man-hours and at a low cost.
【００１２】上記課題を達成するために、第五の発明
は、前記発明記載の着色塗膜は白色である第一の発明乃
至第四の発明いずれか記載の光触媒性着色被覆物品であ
る。白色であると、光触媒の酸化分解作用を受けた塗膜
表面の損傷、つまり光沢度の低下による白濁変化を目視
変化として軽減することができ、省工数で、低コスト
で、着色塗料の寿命同等の実用的な耐久性を持つ優れた
防汚性能を持つ光触媒性着色被覆物品を提供することが
できる。In order to achieve the above object, a fifth invention is the photocatalytic colored coated article according to any one of the first to fourth inventions, wherein the colored coating film according to the invention is white. When it is white, damage to the coating film surface that has been subjected to the oxidative decomposition action of the photocatalyst, that is, the change in white turbidity due to a decrease in gloss can be reduced as a visual change. The present invention can provide a photocatalytic colored coated article having excellent antifouling performance with practical durability.
【００１３】上記課題を達成するために、第六の発明
は、前記発明記載の光触媒性塗膜は艶消しである第一の
発明乃至第五の発明いずれか記載の光触媒性着色被覆物
品である。つまり艶消しの着色塗膜を用いる他に艶消し
でない着色塗膜の上に、艶消しの光触媒塗膜を形成し、
光触媒性着色被覆物品を艶消しにする。そうすると、前
記と同様に省工数で、低コストで、着色塗料の寿命同等
の実用的な耐久性を持つ優れた防汚性能を持つ光触媒性
着色被覆物品を提供することができる。In order to achieve the above object, a sixth invention is a photocatalytic colored coated article according to any one of the first to fifth inventions, wherein the photocatalytic coating film according to the invention is matte. . In other words, a matte photocatalytic coating is formed on a non-matte colored coating other than using a matte colored coating,
Matte the photocatalytic colored coated article. As a result, it is possible to provide a photocatalytic colored coated article having excellent antifouling performance having a practical durability equivalent to the life of the colored paint with a reduced number of man-hours, similarly to the above.
【００１４】上記課題を達成するために、第七の発明
は、前記発明記載の光触媒性塗膜の６０度鏡面光沢度
が、１％以上５０％以下であることを特徴とする第一の
発明乃至第六の発明いずれか記載の光触媒性着色被覆物
品である。そうすると、省工数で、低コストで、着色塗
料の寿命同等の実用的な耐久性を持つ優れた防汚性能を
持つ光触媒性着色被覆物品を提供することができる。According to a seventh aspect of the present invention, a 60-degree specular gloss of the photocatalytic coating film according to the first aspect is 1% or more and 50% or less. A photocatalytic colored coated article according to any one of the first to sixth inventions. Then, a photocatalytic colored coated article having excellent antifouling performance with practical durability equivalent to the life of the colored paint can be provided with a reduced number of man-hours and at a low cost.
【００１５】上記課題を達成するためには、光触媒性着
色被覆物品が白色であるようにする。白色であると、光
触媒の酸化分解作用を受けた塗膜表面の損傷、つまり光
沢度の低下による白濁変化を軽減することができ、省工
数で、低コストで、着色塗料の寿命同等の実用的な耐久
性を持つ優れた防汚性能を持つ光触媒性着色被覆物品を
提供することができる。To achieve the above object, the photocatalytic colored coated article is white. When it is white, it is possible to reduce the damage of the coating film surface that has been subjected to the oxidative decomposition action of the photocatalyst, that is, the change in white turbidity due to the decrease in glossiness. The present invention can provide a photocatalytic colored coated article having excellent durability and excellent antifouling performance.
【００１６】上記課題を達成するためには、基材に光触
媒性着色被覆を形成するための、該被覆形成用着色塗料
組成物と該被覆形成用透明光触媒性組成物を提供できる
ので、省工数で、低コストで、着色塗料の寿命と同等の
実用的な耐久性を持つ優れた防汚性能を発現するための
光触媒性着色被覆物品を提供することができる。In order to achieve the above object, a colored coating composition for forming a coating and a transparent photocatalytic composition for forming a coating for forming a photocatalytic colored coating on a substrate can be provided. Thus, it is possible to provide a photocatalytic colored coated article for exhibiting excellent antifouling performance with low cost and practical durability equivalent to the life of the colored paint.
【００１７】上記課題を達成するために、第八の発明
は、基材を準備する第一の工程と、高耐候性結着剤を塗
膜形成要素として含む着色塗膜を形成する第二の工程
と、透明である光触媒性塗膜を形成する第三の工程と、
を有する光触媒性着色被覆物品の製造方法である。省工
数で、低コストで、着色塗料の寿命と同等の実用的な耐
久性を持つ優れた防汚性能を発現するための光触媒性着
色被覆物品を提供できる。In order to achieve the above object, an eighth invention comprises a first step of preparing a base material and a second step of forming a colored coating film containing a highly weather-resistant binder as a coating element. And a third step of forming a transparent photocatalytic coating,
This is a method for producing a photocatalytic colored coated article having: It is possible to provide a photocatalytic colored coated article for exhibiting excellent antifouling performance having practical durability equivalent to the life of the colored paint at low cost with a reduced number of man-hours.
【００１８】第九の発明は、前記発明記載の着色塗膜
は、第二の発明乃至第五の発明いずれか記載の着色塗膜
である第八の発明記載の光触媒性着色被覆物品の製造方
法である。A ninth invention is directed to a method for producing a photocatalytic colored coated article according to the eighth invention, wherein the colored coating according to the above invention is the colored coating according to any one of the second to fifth inventions. It is.
【００１９】第十の発明は、前記光触媒性塗膜は、第六
の発明又は第七の発明いずれか記載の光触媒性塗膜であ
る第八の発明又は第九の発明記載の光触媒性着色被覆物
品の製造方法である。A tenth invention is directed to the photocatalytic colored coating according to the eighth or ninth invention, wherein the photocatalytic coating is a photocatalytic coating according to any one of the sixth and seventh inventions. It is a method of manufacturing an article.
【００２０】[0020]
【発明の実施の形態】次に、本発明の具体的な構成要素
について説明する。 （Ａ）光触媒性半導体材料としては、光触媒活性を有す
るものであれば特に制限はないが、アナタース型酸化チ
タン、ブルッカイト型酸化チタン、ルチル型酸化チタ
ン、酸化錫、酸化亜鉛、三酸化二ビスマス、三酸化タン
グステン、酸化第二鉄、チタン酸ストロンチウムなどが
挙げられ、１種又は２種以上が使用できる。なかでも、
アナタース型二酸化チタンが好ましい。Next, specific components of the present invention will be described. (A) The photocatalytic semiconductor material is not particularly limited as long as it has photocatalytic activity. Anatase-type titanium oxide, brookite-type titanium oxide, rutile-type titanium oxide, tin oxide, zinc oxide, bismuth trioxide, Tungsten trioxide, ferric oxide, strontium titanate and the like can be mentioned, and one or more kinds can be used. Above all,
Anatase-type titanium dioxide is preferred.
【００２１】（Ｂ）高耐候性結着材としては、加水分解
性シラン、アルキルシリケ−ト、ポリオルガノシロキサ
ン、アクリルシリコーン樹脂、シリカ、コロイダルシリ
カ、水溶性シリカ、シラノ−ル、水ガラス、ケイ酸リチ
ウム、ケイ酸カリウムなどのシリコン系化合物、リン酸
亜鉛、リン酸アルミニウム、ヒドロキシアパタイト、リ
ン酸カルシウム等のリン酸塩、重リン酸塩、セメント、
石灰、セッコウ、長石、釉薬、プラスタ−、ほうろう用
フリット、層状酸化物、粘土、ホウ酸塩、アルミノケイ
酸塩、ホウケイ酸塩、有機チタネ−ト、アルミナ、チタ
ニア、過酸化チタン、有機ジルコニウム化合物、塩化ジ
ルコニウム、硝酸ジルコニウム、塩化酸化ジルコニウ
ム、ジルコニアなどの無機系化合物、フッ素系ポリマ
−、フッ素系モノマ−、アクリルウレタンポリマーなど
の有機系化合物、アクリルシリコンポリマー等の有機無
機のハイブリッドポリマーなどが使用できる。(B) Examples of the highly weather-resistant binder include hydrolyzable silane, alkyl silicate, polyorganosiloxane, acrylic silicone resin, silica, colloidal silica, water-soluble silica, silanol, water glass, and silicic acid. Lithium, silicon compounds such as potassium silicate, zinc phosphate, aluminum phosphate, hydroxyapatite, phosphates such as calcium phosphate, heavy phosphate, cement,
Lime, gypsum, feldspar, glaze, plaster, enamel frit, layered oxide, clay, borate, aluminosilicate, borosilicate, organic titanate, alumina, titania, titanium peroxide, organic zirconium compound, Inorganic compounds such as zirconium chloride, zirconium nitrate, zirconium chloride, and zirconia; fluorine-based polymers, fluorine-based monomers, organic compounds such as acrylic urethane polymers, and organic-inorganic hybrid polymers such as acrylic silicon polymers can be used. .
【００２２】ここで加水分解性シランとしては、メチル
トリメトキシシラン、エチルトリメトキシシラン、メチ
ルトリエトキシシラン、エチルトリエトキシシラン、メ
チルトリプロポキシシラン、エチルトリプロポキシシラ
ン、ｎ−プロピルトリメトキシシラン、ｎ−プロピルト
リエトキシシラン、ｎ−プロピルトリプロポキシシラ
ン、イソプロピルトリメトキシシラン、イソプロピルト
リエトキシシラン、イソプロピルトリプロポキシシラ
ン、メチルトリブトキシシラン、エチルトリブトキシシ
ラン、ｎ−プロピルブトキシシラン、イソプロピルブト
キシシラン、フェニルトリメトキシシラン、フェニルト
リエトキシシラン、フェニルトリプロポキシシラン、フ
ェニルトリブトキシシラン、γ−グリシドキシプロピル
トリメトキシシラン、γ−グリシドキシプロピルトリエ
トキシシラン、γ−グリシドキシプロピルトリプロポキ
シシラン、γ−メタクリロキシプロピルトリメトキシシ
ラン、γ−メタクリロキシプロピルトリエトキシシラ
ン、γ−メタクリロキシプロピルトリプロポキシシラ
ン、β−（３、４−エポキシシクロヘキシル）エチルト
リメトキシシラン、β−（３、４−エポキシシクロヘキ
シル）エチルトリエトキシシラン、γ−アミノプロピル
トリメトキシシラン、γ−アミノプロピルトリエトキシ
シラン、γ−メルカプトプロピルトリメトキシシラン、
γ−メルカプトプロピルトリエトキシシラン、トリフル
オロプロピルトリメトキシシラン、ビニルトリメトキシ
シラン、ビニルトリエトキシシラン、ビニルトリプロポ
キシシラン、トリフルオロプロピルトリエトキシシラ
ン、フェニルメチルジエトキシシラン、ジメチルジメト
キシシラン、ジメチルジエトキシシラン、ジエチルジエ
トキシシラン、フェニルメチルジメトキシシラン、ジフ
ェニルジメトキシシラン、ジフェニルジエトキシシラン
等の加水分解性オルガノシラン、テトラエトキシシラ
ン、テトライソプロポキシシラン、テトラｎ−プロポキ
シシラン、テトラブトキシシラン、テトラメトキシシラ
ン、ジメトキシジエトキシシラン等のテトラアルコキシ
シランなどが使用できる。Here, the hydrolyzable silane includes methyltrimethoxysilane, ethyltrimethoxysilane, methyltriethoxysilane, ethyltriethoxysilane, methyltripropoxysilane, ethyltripropoxysilane, n-propyltrimethoxysilane, n-propyltrimethoxysilane, and n-propyltrimethoxysilane. -Propyltriethoxysilane, n-propyltripropoxysilane, isopropyltrimethoxysilane, isopropyltriethoxysilane, isopropyltripropoxysilane, methyltributoxysilane, ethyltributoxysilane, n-propylbutoxysilane, isopropylbutoxysilane, phenyltrisilane Methoxysilane, phenyltriethoxysilane, phenyltripropoxysilane, phenyltributoxysilane, γ-glycidoxypropyltrimethoxysilane, γ -Glycidoxypropyltriethoxysilane, γ-glycidoxypropyltripropoxysilane, γ-methacryloxypropyltrimethoxysilane, γ-methacryloxypropyltriethoxysilane, γ-methacryloxypropyltripropoxysilane, β- (3 4-epoxycyclohexyl) ethyltrimethoxysilane, β- (3,4-epoxycyclohexyl) ethyltriethoxysilane, γ-aminopropyltrimethoxysilane, γ-aminopropyltriethoxysilane, γ-mercaptopropyltrimethoxysilane,
γ-mercaptopropyltriethoxysilane, trifluoropropyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, vinyltripropoxysilane, trifluoropropyltriethoxysilane, phenylmethyldiethoxysilane, dimethyldimethoxysilane, dimethyldiethoxysilane Hydrolyzable organosilanes such as silane, diethyldiethoxysilane, phenylmethyldimethoxysilane, diphenyldimethoxysilane, diphenyldiethoxysilane, tetraethoxysilane, tetraisopropoxysilane, tetra-n-propoxysilane, tetrabutoxysilane, tetramethoxysilane And tetraalkoxysilanes such as dimethoxydiethoxysilane.
【００２３】ここでアルキルシリケ−トとしては、メチ
ルシリケ−ト、エチルシリケ−ト、プロピルシリケ−
ト、ブチルシリケ−トなどが使用できる。Here, the alkyl silicate includes methyl silicate, ethyl silicate and propyl silicate.
And butyl silicate can be used.
【００２４】ここでポリオルガノシロキサンとしては、
上記加水分解性シラン、アルキルシリケ−ト、それらの
（部分）加水分解物、加水分解・縮合物などが使用でき
る。Here, as the polyorganosiloxane,
The above-mentioned hydrolyzable silanes, alkyl silicates, their (partial) hydrolysates, hydrolyzates / condensates, etc. can be used.
【００２５】ここでセメントとしては、早強セメント、
普通セメント、中庸熱セメント、耐硫酸塩セメント、ホ
ワイトセメント、油井セメント、地熱井セメントなどの
ポルトランドセメント、フライアッシュセメント、高硫
酸塩セメント、シリカセメント、高炉セメントなどの混
合セメント、アルミナセメントなどを使用できる。Here, as the cement, an early-strength cement,
Uses Portland cement such as ordinary cement, moderate heat cement, sulfate resistant cement, white cement, oil well cement, geothermal well cement, mixed cement such as fly ash cement, high sulfate cement, silica cement, blast furnace cement, alumina cement etc. it can.
【００２６】ここでプラスタ−としては、セッコウプラ
スタ−、石灰プラスタ−、ドロマイトプラスタ−などを
使用できる。As the plaster, gypsum plaster, lime plaster, dolomite plaster and the like can be used.
【００２７】ここでフッ素系ポリマ−としては、ポリフ
ッ化ビニリデン、ポリフッ化ビニル、ポリ塩化三フッ化
エチレン、ポリ四フッ化エチレン、ポリ四フッ化エチレ
ン−六フッ化プロピレンコポリマ−、エチレン−ポリ四
フッ化エチレンコポリマ−、エチレン−塩化三フッ化エ
チレンコポリマ−、四フッ化エチレン−パ−フルオロア
ルキルビニルエ−テルコポリマ−などの結晶性フッ素樹
脂、パ−フルオロシクロポリマ−、ビニルエ−テル−フ
ルオロオレフィンコポリマ−、ビニルエステル−フルオ
ロオレフィンコポリマ−などの非結晶性フッ素樹脂、各
種のフッ素ゴムなどを使用できる。Here, the fluorine-based polymer includes polyvinylidene fluoride, polyvinyl fluoride, polychlorinated ethylene trifluoride, polytetrafluoroethylene, polytetrafluoroethylene-propylene hexafluoride copolymer, ethylene-polytetrafluoroethylene. Crystalline fluororesins such as fluorinated ethylene copolymer, ethylene-chlorinated ethylene trifluoride copolymer, ethylene tetrafluoride-perfluoroalkylvinyl ether copolymer, perfluorocyclopolymer, vinyl ether fluoroolefin Non-crystalline fluororesins such as copolymers and vinyl ester-fluoroolefin copolymers, various fluororubbers and the like can be used.
【００２８】ここでアクリルシリコーン樹脂としては、
主鎖がシリル基含有ビニル重合体または共重合体からな
る分子末端あるいは側鎖に加水分解性基と結合したケイ
素基を１分子中に少なくとも１個有する樹脂を使用でき
る。例えば、有機成分であるアルコキシシリル基含有ビ
ニルポリマーと無機成分であるアルコキシシランを特定
の触媒を用いて加水分解し、縮重合するとビニルポリマ
ー中のシリル基とポリシロキサンとの間に共有結合が形
成されビニルポリマーとポリシロキサンとが一種のグラ
フト構造を形成し、アクリルとシリコーンのハイブリッ
トポリマー構造（複合）体をうることもできる。Here, as the acrylic silicone resin,
Resins having at least one silicon group in one molecule, in which the main chain is composed of a silyl group-containing vinyl polymer or copolymer and bonded to a hydrolyzable group at a molecular terminal or a side chain, can be used. For example, when a specific catalyst is used to hydrolyze an alkoxysilyl group-containing vinyl polymer as an organic component and an alkoxysilane as an inorganic component using a specific catalyst, polycondensation forms a covalent bond between the silyl group in the vinyl polymer and the polysiloxane. Then, the vinyl polymer and the polysiloxane form a kind of graft structure, and a hybrid polymer structure (composite) of acryl and silicone can be obtained.
【００２９】ここでハイブリッド樹脂としては、無機物
のシリカやアルミナ微粒子と、有機物のアクリル樹脂や
シリコン化合物のアクリルシリコーン樹脂と混合あるい
は、複合するなどして得ることができる。また、別の態
様としては、紫外線安定基を分子骨格に組み込んだポリ
マーを使用することができる。Here, the hybrid resin can be obtained by mixing or compounding inorganic silica or alumina fine particles with an organic acrylic resin or a silicon compound acrylic silicone resin. In another embodiment, a polymer in which an ultraviolet light stable group is incorporated in a molecular skeleton can be used.
【００３０】アクリルウレタンポリマーとしては、アク
リル樹脂にウレタンポリマーを加えたものを使用でき
る。あるいは、ウレタン変性アクリルポリマーや、ウレ
タン架橋のアクリルポリマーやアクリル架橋のウレタン
ポリマーなども使用できる。As the acrylic urethane polymer, one obtained by adding a urethane polymer to an acrylic resin can be used. Alternatively, a urethane-modified acrylic polymer, a urethane crosslinked acrylic polymer, an acrylic crosslinked urethane polymer, or the like can be used.
【００３１】また、高耐候性結着材に、光安定化剤を混
合しても良い。光安定化剤としては、ヒンダ−ドアミン
系等が利用できる。その他トリアゾ−ル系等の紫外線吸
収剤を混合してもよい。それらを使用すると耐久性の向
上に効果がある。Further, a light stabilizer may be mixed with the highly weather-resistant binder. As the light stabilizer, a hindered amine type or the like can be used. In addition, an ultraviolet absorber such as triazole may be mixed. Their use is effective in improving durability.
【００３２】本発明の光触媒性塗膜および着色塗膜の高
耐候性結着材は、前記の高耐候性結着材の中から１種ま
たは２種以上を組み合わせて使用することができる。こ
こで光触媒性塗膜および着色塗膜に使用される高耐候性
結着材は同一であっても異なる組み合わせであってもよ
い。The highly weatherable binder of the photocatalytic coating film and the colored coating film of the present invention can be used alone or in combination of two or more of the above-mentioned highly weatherable binders. Here, the high weather resistant binder used for the photocatalytic coating film and the colored coating film may be the same or different combinations.
【００３３】本発明の着色塗膜を形成するための無機系
塗料、フッ素系塗料、アクリルシリコン系塗料、ハイブ
リッド塗料、アクリルウレタン系塗料には、これら前記
の高耐候性結着材が塗膜形成要素として使われる。The inorganic coating, fluorine coating, acrylic silicone coating, hybrid coating, and acrylic urethane coating for forming the colored coating film of the present invention are coated with the above-mentioned highly weather-resistant binder. Used as an element.
【００３４】特に光触媒性塗膜に使用される高耐候性結
着材はシリコン系化合物を含有することが好ましい。シ
リコン系化合物を光触媒性半導体と併用して含有するこ
とにより、光触媒性半導体により親水化された塗膜は暗
所においてもより長く親水性を維持することができる。
シリコン系化合物としては、前記のシリコン系化合物が
挙げられる。より好ましくは、シロキサン結合（≡Ｓｉ
−Ｏ−Ｓｉ≡）が主成分であることが望ましく、加水分
解性シラン、ポリオルガノシロキサン、アルキルシリケ
−ト、シリカ、コロイダルシリカ、水ガラス、ケイ酸リ
チウム、ケイ酸カリウムなどが挙げられる。Particularly, the highly weather-resistant binder used for the photocatalytic coating film preferably contains a silicon compound. By containing the silicon-based compound in combination with the photocatalytic semiconductor, the coating film hydrophilized by the photocatalytic semiconductor can maintain hydrophilicity for a longer time even in a dark place.
Examples of the silicon-based compound include the aforementioned silicon-based compounds. More preferably, a siloxane bond (≡Si
—O—Si≡) is preferably the main component, and examples thereof include hydrolyzable silanes, polyorganosiloxanes, alkyl silicates, silica, colloidal silica, water glass, lithium silicate, and potassium silicate.
【００３５】着色塗料の光沢を調整し、つや消しにする
方法としては、塗膜表面に凹凸を形成する。表面の凹凸
には、マクロとミクロの欠陥がある。As a method for adjusting the gloss of the colored paint and matting, the unevenness is formed on the coating film surface. The surface irregularities have macro and micro defects.
【００３６】マクロな欠陥とは、ピッチ数ｍｍ以下で高
さ１μｍ以上の比較的大きな凹凸で、塗料の流動性やレ
ベリング性を調節することや、刷け塗り塗装時の刷け目
やスプレー塗装の跡などで制御することができる。Macro defects are relatively large irregularities having a pitch of several mm or less and a height of 1 μm or more, for adjusting the fluidity and leveling property of the paint, and for brushing and spray coating during brush coating. Can be controlled by the trace of
【００３７】ミクロな欠陥とは、μｍオーダーの微少な
凹凸で、凹凸の径あるいは、凹凸の高さが、光の波長の
１／２付近で光散乱が最大となり、光沢度低下が著しく
なる。具体的には観測光の波長を５００ｎｍとすると、
６０度鏡面光沢度が最低になるのは、約０．２５μｍで
あり、０．２５μｍ以上の凹凸が光沢を低下することが
できる。また、観測波長が短いほど、入射角が小さいほ
ど凹凸の大きさは小さくなる。凹凸が大きくなるマクロ
な欠陥になるので、ミクロな欠陥を形成するには、望ま
しくは、０．０５μｍ〜１０μｍで、さらに望ましくは
０．１〜１μｍで、さらに望ましくは０．１μｍ〜０．
５μｍが好適である。Micro-defects are minute irregularities on the order of μm. When the diameter of the irregularities or the height of the irregularities is about half the wavelength of light, light scattering is maximized, and the glossiness is significantly reduced. Specifically, if the wavelength of the observation light is 500 nm,
The 60 degree specular gloss becomes minimum at about 0.25 μm, and unevenness of 0.25 μm or more can reduce gloss. Also, the smaller the observation wavelength and the smaller the incident angle, the smaller the size of the irregularities. In order to form a micro defect, the defect becomes a macro defect having large irregularities, and is preferably 0.05 μm to 10 μm, more preferably 0.1 μm to 1 μm, and still more preferably 0.1 μm to 0.1 μm.
5 μm is preferred.
【００３８】塗膜に凹凸を形成する方法には、顔料の分
散性や、顔料の大きさや、顔料の濃度を制御する。顔料
の分散性として、塗膜表面に顔料が露頭し表面に所望の
凹凸を形成するようにすれば良い。また顔料の大きさ
は、凝集した２次粒子であっても良い。顔料濃度を増加
するとクリア層が現象し、欠陥密度が増加するので、良
い。In the method of forming irregularities on the coating film, the dispersibility of the pigment, the size of the pigment, and the concentration of the pigment are controlled. The dispersibility of the pigment may be such that the pigment is exposed on the surface of the coating film to form desired irregularities on the surface. The size of the pigment may be agglomerated secondary particles. Increasing the pigment concentration is good because the clear layer will develop and the defect density will increase.
【００３９】本発明の透明な光触媒性塗膜は、膜厚が厚
いと着色塗料の艶消し表面形状を埋没させ平滑にしてし
まい、さらには、クリア層の効果を発現し光沢度が上昇
する。望ましい膜厚は０．０１〜２μｍで、さらに望ま
しい膜厚は０．０５〜１μｍ、さらに望ましい膜厚は
０．０５〜０．２μｍにする。０．０１μｍより薄くな
ると塗膜に欠陥が生じやすくなり、優れた防汚性能を発
揮することができない。When the thickness of the transparent photocatalytic coating film of the present invention is large, the matte surface shape of the colored paint is buried and smoothed, and further, the effect of the clear layer is exhibited to increase the glossiness. A desirable film thickness is 0.01 to 2 μm, a more desirable film thickness is 0.05 to 1 μm, and a more desirable film thickness is 0.05 to 0.2 μm. When the thickness is less than 0.01 μm, defects easily occur in the coating film, and excellent antifouling performance cannot be exhibited.
【００４０】本発明のつや消しの着色塗膜は、６０度鏡
面光沢度で０％〜５０％にあるようにする。さらに望ま
しくは２〜３０％で、さらに望ましくは５〜２０％であ
る。光触媒によって着色塗膜が劣化を受ると、塗料面の
表面が荒れ、光沢度の低下が起きる。しかし、光沢度を
その範囲にすることで、塗料面の外観に、目視で目立っ
た変化を認めることができないため、外観に異常を感じ
ることがなく、塗料としての意匠を保つことができ、使
用に耐えられる。また、６０度鏡面光沢度が１０％以下
となる塗料面の場合は、８５度に角度を変えて測定すれ
ば良い。The matte colored coating film of the present invention has a 60 ° specular gloss of 0% to 50%. More preferably, it is 2 to 30%, more preferably 5 to 20%. When the colored coating film is deteriorated by the photocatalyst, the surface of the paint surface becomes rough, and the glossiness is reduced. However, by setting the gloss within the above range, a noticeable change in the appearance of the paint surface cannot be visually recognized, so that the appearance of the paint does not feel abnormal, and the design as the paint can be maintained. Can withstand. In the case of a paint surface having a 60-degree specular glossiness of 10% or less, the measurement may be performed by changing the angle to 85 degrees.
【００４１】本発明の着色塗膜は、白色であるようにす
る。白色は、無彩色であって、明度によって灰色にな
る。彩度は、大きくなると色味がかるが、彩度が１以下
であれば、良い。また別の定義で言えば、ＸＹＺ表色系
のｘとｙが０．２〜０．５の範囲にあるようにする。好
ましくは０．３〜０．４にあるようにする。The colored coating film of the present invention is white. White is achromatic and becomes gray depending on lightness. The color saturation increases as the saturation increases, but it is good if the saturation is 1 or less. According to another definition, x and y in the XYZ color system are in the range of 0.2 to 0.5. Preferably it is between 0.3 and 0.4.
【００４２】着色塗料に用いられる顔料としては、紫外
線や熱、水によって変色、変質、分解しない耐候性の高
い無機顔料、体質顔料、防錆顔料、金属顔料あるいは高
耐候性に加工した顔料の中から選ばれ、単独または２種
以上を併用して適宜用いる。Examples of the pigment used in the coloring paint include inorganic pigments having high weather resistance that do not discolor, deteriorate, or decompose by ultraviolet rays, heat, or water, extender pigments, rust preventive pigments, metal pigments, or pigments that have been processed to have high weather resistance. And used singly or in combination of two or more.
【００４３】無機顔料としては、「白色系」としてチタ
ン白（ＴｉＯ２）、亜鉛華（ＺｎＯ）、鉛白（２ＰｂＣ
Ｏ３・Ｐｂ（ＯＨ）２）、リトポン（ＢaＳＯ４・ｘＺ
ｎＳ）、バライト（ＢａＳＯ４）、白亜（ＣａＣＯ
３）、クレー（カオリン、白土、Ａｌ２Ｏ３・２ＳｉＯ
２・２Ｈ２Ｏ）、「黄色系」として黄鉛（クロム黄、Ｐ
ｂＣｒＯ４・ＰｂＯ）、亜鉛黄（ＺｎＣｒＯ４）、アン
チモンイエロー（ネーブルスイエロー、Ｐｂ（ＳｂＯ
３）２）、黄土（オーカー、Ｆｅ２Ｏ３・ｘＡｌ２Ｏ３
・ｙＳｉＯ２）、黄色酸化鉄（マース黄、フェリット
黄、Ｆｅ２Ｏ３・ｘＨ２Ｏ）、チタンイエロー（ＴｉＯ
２・ｘＮｉＯ・ｙＳｂ２Ｏ５）、チタン・アンチモン・
クロムイエロー（クロムチタンイエロー、ＴｉＯ２・ｘ
Ｃｒ２Ｏ３・ｙＳｂ２Ｏ５）、「赤・橙色系」としてベ
ンガラ（Ｆｅ２Ｏ３）、鉛丹（光明丹、Ｐｂ３Ｏ４）、
モリブデートオレンジ（クロムバーミリオン、モリブデ
ンレッド、ＰｂＣｒＯ４・ｘＰｂＭｏＯ４・ｙＰｂＳＯ
４）「紫色系」としてマース紫（Ｆｅ２Ｏ３）、マンガ
ン紫（ニュルンベンク紫、コバルト紫（Ｃｏ３（ＰＯ
４）２、Ｃｏ３（ＡｓＯ４）２）、「青色系」として群
青（ウルトラマリン、アルミノ・ケイ酸）、紺青（ベル
リン青、ミロリー青、プルシャン青、Ｆｅ（ＮＨ４）
（Ｆｅ（ＣＮ）６）、ＦｅＫ（Ｆｅ（ＣＮ）６）、コバ
ルト青（テナール青、ＣｏＯ・ｘＡｌ２Ｏ３）、コバル
ト・アルミ・クロムブルー（ＣｏＯ・ｘＡｌ２Ｏ３・ｙ
Ｃｒ２Ｏ３）、「緑色系」としてクロム緑（黄鉛と紺青
とバライトの混合物）、酸化クロム（Ｃｒ２Ｏ３）、コ
バルト緑（ＣｏＯ・１０ＺｎＯ）、コバルト・チタン・
ニッケル・亜鉛グリーン（ＣｏＯ・ｘＴｉＯ２・ｙＮｉ
Ｏ・ｚＺｎＯ）、コバルト・アルミ・クロムグリーン
（ＣｏＯ・ｘＡｌ２Ｏ３・ｙＣｒ２Ｏ３）、「黒色系」
としてカーボンブラック（Ｃ）、鉄黒（Ｆｅ３Ｏ４）、
銅・クロム系ブラック（ＣｕＣｒ２Ｏ４）、銅・鉄・マ
ンガン系ブラック（（Ｃｕ・Ｍｎ）Ｆｅ２Ｏ４・（Ｃｕ
・Ｆｅ）Ｍｎ２Ｏ４）、コバルト・鉄・クロム系ブラッ
クが挙げられる。As the inorganic pigment, titanium white (TiO2), zinc white (ZnO), lead white (2PbC
O3.Pb (OH) 2), lithopone (BaSO4.xZ)
nS), baryte (BaSO4), chalk (CaCO4)
3), clay (kaolin, clay, Al2O3.2SiO)
2.2H2O), yellow (chrome yellow, P
bCrO4.PbO), zinc yellow (ZnCrO4), antimony yellow (Navels yellow, Pb (SbO
3) 2), loess (Ocher, Fe2O3 x Al2O3
YSiO2), yellow iron oxide (Mars yellow, ferrite yellow, Fe2O3 xH2O), titanium yellow (TiO
2.xNiO.ySb2O5), titanium, antimony,
Chrome Yellow (Chromium Titanium Yellow, TiO2 x
Cr2O3.ySb2O5), "Red / Orange" as Bengala (Fe2O3), leadtan (Komeitan, Pb3O4),
Molybdate orange (chrome vermillion, molybdenum red, PbCrO4 xPbMoO4 yPbSO
4) Mars purple (Fe2O3), manganese purple (Nuremberg purple, cobalt purple (Co3 (PO
4) 2, Co3 (AsO4) 2), ultramarine (ultramarine, aluminosilicate), navy blue (Berlin blue, Millory blue, Prussian blue, Fe (NH4))
(Fe (CN) 6), FeK (Fe (CN) 6), cobalt blue (Tenal blue, CoO.xAl2O3), cobalt aluminum chrome blue (CoO.xAl2O3.y)
Cr2O3), chrome green (a mixture of graphite, navy blue and barite), chromium oxide (Cr2O3), cobalt green (CoO.10ZnO), cobalt titanium.
Nickel zinc green (CoO x TiO2 yNi
O.zZnO), cobalt aluminum chrome green (CoO.xAl2O3.yCr2O3), "black"
As carbon black (C), iron black (Fe3O4),
Copper / chrome black (CuCr2O4), copper / iron / manganese black ((Cu · Mn) Fe2O4 · (Cu
Fe) Mn2O4) and cobalt-iron-chromium black.
【００４４】体質顔料としては、炭酸カルシウム（胡
粉）、カオリン、クレー、陶土、ケイ藻土、含水微粉け
い酸、タルク（滑石）、バライト、硫酸バリウム（バリ
タ）、炭酸バリウム、ケイ砂、ケイ石粉、石英粉、シリ
カ、ウオラストナイト、ガラスビーズ、との粉、ホワイ
トカーボン、が挙げられる。Examples of extenders include calcium carbonate (chalk), kaolin, clay, clay, diatomaceous earth, hydrous fine silica, talc (talc), barite, barium sulfate (barita), barium carbonate, silica sand and silica stone powder. , Quartz powder, silica, wollastonite, glass beads, and white carbon.
【００４５】防錆顔料としては、鉛丹、硫酸鉛、鉛シア
ナミド、亜酸化鉛、ジンククロメート、ストロンチウム
クロメート、鉛酸カルシウムなどが挙げられる。Examples of the rust preventive pigment include lead red, lead sulfate, lead cyanamide, lead suboxide, zinc chromate, strontium chromate, calcium plumbate and the like.
【００４６】金属顔料としては、アルミニウム粉、銅
紛、亜鉛末、ステンレスシスチール粉などが挙げられ
る。Examples of the metal pigment include aluminum powder, copper powder, zinc powder, stainless steel powder and the like.
【００４７】高耐候性に加工した顔料としては、顔料を
高耐候性材料で被覆する方法がある。高耐候性材料で被
覆できる顔料としては無機顔料および有機顔料が使用で
きる。As the pigment processed to have high weather resistance, there is a method of coating the pigment with a high weather resistance material. Inorganic pigments and organic pigments can be used as pigments that can be coated with a highly weather-resistant material.
【００４８】ここで無機顔料としては、酸化チタン、亜
鉛華、ベンガラ、酸化クロム、コバルトブルー、鉄黒な
どの金属酸化物系、アルミナホワイト、黄色酸化鉄など
の金属水酸化物系、紺青などのフェロシアン化合物系、
黄鉛、ジンクロメート、モリブデートオレンジなどのク
ロム酸鉛系、硫化亜鉛、朱、カドミウムイエロー、カド
ミウムレッドなどの硫化物、セレン化合物系、バライ
ト、沈降性硫酸バリウムなどの硫酸塩系、重質炭酸カル
シウム、沈降性炭酸カルシウムなどの炭酸塩系、含水珪
酸塩、クレー、群青などの珪酸塩系、カーボンブラック
などの炭素系、アルミニウム粉、ブロンズ粉、亜鉛末粉
などの金属粉系、雲母・酸化チタン系などのパール顔料
系などが挙げられる。Examples of the inorganic pigment include metal oxides such as titanium oxide, zinc white, red iron oxide, chromium oxide, cobalt blue and iron black; metal hydroxides such as alumina white and yellow iron oxide; Ferrocyanide compounds,
Lead chromate such as graphite, zinc chromate, molybdate orange, sulfide such as zinc sulfide, vermilion, cadmium yellow, cadmium red, selenium compound, barite, sulfate such as precipitated barium sulfate, heavy carbonic acid Carbonates such as calcium and precipitated calcium carbonate, hydrated silicates, clays and silicates such as ultramarine, carbons such as carbon black, metal powders such as aluminum powder, bronze powder and zinc dust powder, mica / oxidation And pearl pigments such as titanium.
【００４９】ここで有機顔料としては、ナフトールグリ
ーンＢなどのニトロソ系顔料、ナフトールＳなどのニト
ロ顔料系、リソールレッド、ウォッチングレッド、レー
キレッドＣ、ファストエロー、ナフトールレッドなどの
アゾ顔料系、フタロシアニンブルー、フタロシアニング
リーンなどのフタロシアニン系顔料、ペレンレッド、キ
ナクリドンレッド、ジオキサジンバイオレッド、イソイ
ンドリノンエローなどの縮合多環顔料系、蛍光顔料、カ
ラーチップなどが挙げられる。Examples of the organic pigment include nitroso pigments such as naphthol green B, nitro pigments such as naphthol S, azo pigments such as lithol red, watching red, lake red C, fast yellow and naphthol red, and phthalocyanine blue. Phthalocyanine pigments such as phthalocyanine green; condensed polycyclic pigments such as perene red, quinacridone red, dioxazine violet, and isoindolinone yellow; fluorescent pigments; and color chips.
【００５０】ここで顔料を被覆する高耐候性材料として
は、アルミニウム、ケイ素、ジルコニウムなどの不活性
な酸化物や水酸化物、シリコーン系化合物、リン酸金属
塩などであり、例えばアルミナ、シリカ、ジルコニア、
加水分解性シラン、アルキルシリケ−ト、ポリオルガノ
シロキサン、アクリルシリコーン樹脂、シラノ−ル、水
ガラス、ケイ酸リチウム、ケイ酸カリウム、リン酸アル
ミニウムなどが挙げられる。Examples of the highly weather-resistant material for coating the pigment include inactive oxides and hydroxides such as aluminum, silicon and zirconium, silicone compounds and metal phosphates, such as alumina, silica and the like. Zirconia,
Examples include hydrolyzable silanes, alkyl silicates, polyorganosiloxanes, acrylic silicone resins, silanols, water glass, lithium silicate, potassium silicate, and aluminum phosphate.
【００５１】高耐候性材料は顔料を核ににしてその表面
上に緻密に、または多孔質状に被覆する。あるいは高耐
候性材料と顔料を混合または分散させて硬化させた後に
粉砕し、実質的に顔料を被覆する。また、高耐候性材料
は１種あるいは２種以上を併用して被覆することができ
る。２種以上の高耐候性材料を併用して被覆する場合
は、それぞれ別々に層を重ねて形成して被覆、または２
種以上を共沈して一つの被覆層を形成して被覆する。The highly weather-resistant material is densely or porously coated on its surface with a pigment as a core. Alternatively, a highly weatherable material and a pigment are mixed or dispersed and cured, and then pulverized to substantially coat the pigment. Further, the highly weather-resistant material can be coated alone or in combination of two or more. When two or more types of highly weather-resistant materials are used in combination for coating, the layers are separately formed by layering each other, or
One or more seeds are co-precipitated to form one coating layer and coated.
【００５２】着色料に変色防止剤を混合することによ
り、着色料の耐久性をあげることができる。変色防止剤
としては、紫外線や光触媒反応で生じるラジカルなど活
性種から着色料を保護するもので、紫外線吸収剤、ヒン
ダーアミン光安定剤、酸化防止剤などが挙げられる。By mixing the colorant with a discoloration inhibitor, the durability of the colorant can be increased. The discoloration inhibitor protects the colorant from active species such as ultraviolet rays and radicals generated by a photocatalytic reaction, and includes an ultraviolet absorber, a hinderamine light stabilizer, and an antioxidant.
【００５３】着色料は、溶媒への分散、分散後の安定性
を向上させるためシランカップリング剤、アルミキレー
ト化合物、有機物などで表面処理を施すことができる。
有機物による表面処理剤としてはトリメチロールメタ
ン、トリメチロールエタン、ペンタエリスリノール、ジ
メチルエタノールアミン、トリエタノールアミンなどが
挙げられる。The colorant can be subjected to a surface treatment with a silane coupling agent, an aluminum chelate compound, an organic substance or the like in order to improve the dispersion in the solvent and the stability after the dispersion.
Examples of the surface treatment agent using an organic substance include trimethylolmethane, trimethylolethane, pentaerythrinol, dimethylethanolamine, and triethanolamine.
【００５４】本発明の塗料組成物に利用できる溶媒は、
塗膜形成要素が分散するものであれば特に制限されな
い。例えば、アルコール類、エーテル類、アセトン、２
−ブタノン、メチルプロピルケトン、メチルブチルケト
ン、ジプロピルケトン等のケトン類、酢酸エチル、酢酸
プロピル、酢酸イソプロピル、酢酸ブチル、酢酸アミ
ル、酪酸エチル等のエステル類、ベンゼン、トルエン、
キシレン、クロロホルム、ペンタン、ヘキサン、シクロ
ヘキサン等の脂肪族、芳香族、脂環式の炭化水素、石油
類等の一般的な有機溶媒や水が挙げられ、これらを単
独、もしくは混合して用いることができる。Solvents that can be used in the coating composition of the present invention include:
There is no particular limitation as long as the coating film forming elements are dispersed. For example, alcohols, ethers, acetone, 2
-Ketones such as butanone, methyl propyl ketone, methyl butyl ketone, dipropyl ketone, esters such as ethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, amyl acetate and ethyl butyrate, benzene, toluene,
General organic solvents such as xylene, chloroform, pentane, hexane, cyclohexane, etc., aliphatic, aromatic, alicyclic hydrocarbons, petroleum and the like, and water can be used, and these can be used alone or in combination. it can.
【００５５】本発明の塗料組成物は、さらに必要に応じ
て分散安定剤、界面活性剤、消泡剤、可塑剤、酸化防止
剤、紫外線吸収剤、光安定剤、香料、硬化剤などを添加
することが可能である。The coating composition of the present invention may further contain, if necessary, a dispersion stabilizer, a surfactant, an antifoaming agent, a plasticizer, an antioxidant, an ultraviolet absorber, a light stabilizer, a fragrance, a curing agent, and the like. It is possible to
【００５６】本発明の塗料組成物は、サンドミル、ホモ
ジナイザー、ボールミル、ロールミル、ペイントシェー
カー、超音波分散機、羽根式攪拌機、マグネチックスタ
ーラー、高速分散機、乳化機などにて混合、分散処理を
行う。The coating composition of the present invention is mixed and dispersed by a sand mill, a homogenizer, a ball mill, a roll mill, a paint shaker, an ultrasonic disperser, a blade type stirrer, a magnetic stirrer, a high-speed disperser, an emulsifier, or the like. .
【００５７】本発明の塗料組成物を被覆可能な基材とし
ては、無機材料、金属材料、有機材料あるいはそれらの
複合体であり、特に限定されるものではない。例えば、
金属、セラミックス、ガラス、プラスチック、木、石、
セメント、コンクリ−ト、繊維、布帛、紙、それらの組
合せ、それらの積層体、それらの塗装体等である。The substrate on which the coating composition of the present invention can be coated is an inorganic material, a metal material, an organic material or a composite thereof, and is not particularly limited. For example,
Metal, ceramics, glass, plastic, wood, stone,
Cements, concretes, fibers, fabrics, papers, combinations thereof, laminates thereof, coatings thereof, and the like.
【００５８】本発明の塗料組成物は着色を必要とするも
ので防汚効果、親水効果を期待される物品に適用され
る。着色効果は完全隠ぺいのものから着色ガラスのよう
に透光性を有するもの、すりガラスのようにマット調の
ものまで調整して適用できる。The coating composition of the present invention requires coloring, and is applied to articles expected to have an antifouling effect and a hydrophilic effect. The coloring effect can be adjusted and applied from a completely opaque one to a translucent one such as colored glass and a matte one such as frosted glass.
【００５９】該塗膜被覆物品としては、建築物や構造物
や車輌の外装や内装などが挙げられ、より具体的には、
屋根材、瓦、カラートタン、カラー鉄板、窯業系建材、
サイディング材、ケイカル板、セメント壁、アルミサイ
ディング、カーテンウォール、塗装鋼板、石材、ＡＬ
Ｃ、タイル、ガラスブロック、サッシ、ビルサッシ、網
戸、雨戸、門扉、出窓、天窓、窓枠、トップライト、カ
ーポート、サンルーム、ベランダ、ベランダ手すり、屋
根樋、板ガラス、着色ガラス、ガラス用フィルム、太陽
熱温水器等の集熱器用カバ−、エアコン室外機、店舗看
板、サイン、広告塔、ショーケース、ショーウィンド
ウ、冷蔵・冷凍ショーケース、シャッタ−、屋外ベン
チ、自動販売機、遮音壁、防音壁、道路化粧板、ガード
フェンス、桁美装板、トンネル内装板、道路反射鏡、標
識板、碍子、保護板、保護膜、料金所、料金ボックス、
街灯、道路、舗装路、舗道、プラント外壁、プラント内
壁、石油貯蔵タンク、煙突、機械装置、農業用ガラス、
ガラス温室、ビニールハウス、テント、自動車、鉄道車
両、航空機、船舶、自転車、オ−トバイ、自動車用ガラ
ス、キッチン設備部材、浴室設備部材、衛生陶器、陶磁
器、便器、浴槽、洗面台、照明器具、台所用品、食器、
食器乾燥器、流し、調理レンジ、キッチンフ−ド、換気
扇、フィルム、ワッペンなどが挙げられる。Examples of the coated article include exteriors and interiors of buildings and structures and vehicles, and more specifically,
Roofing materials, tiles, colored tins, colored iron plates, ceramic building materials,
Siding material, scallop board, cement wall, aluminum siding, curtain wall, painted steel plate, stone, AL
C, tile, glass block, sash, building sash, screen door, shutter, gate, bay window, skylight, window frame, top light, carport, solarium, veranda, veranda handrail, roof gutter, plate glass, colored glass, glass film, Covers for heat collectors such as solar water heaters, outdoor units for air conditioners, store signs, signs, advertising towers, showcases, show windows, refrigerated and frozen showcases, shutters, outdoor benches, vending machines, sound insulation walls, soundproof walls, Road decorative board, guard fence, girder beautiful board, tunnel interior board, road reflector, sign board, insulator, protective board, protective film, toll booth, toll box,
Streetlights, roads, pavements, pavements, plant exteriors, plant interiors, oil storage tanks, chimneys, machinery, agricultural glass,
Glass greenhouses, greenhouses, tents, automobiles, railway vehicles, aircraft, ships, bicycles, motorcycles, automotive glass, kitchen equipment, bathroom equipment, sanitary ware, ceramics, toilet bowls, bathtubs, washbasins, lighting fixtures, Kitchen utensils, tableware,
Tableware dryers, sinks, cooking ranges, kitchen hoods, ventilation fans, films, patches, and the like.
【００６０】本発明による塗料組成物を塗布する手段は
とくに限定されず、刷毛塗り、スポンジ塗り、スプレー
コーティング、ロールコーティング、フローコーティン
グ、スピンコーティング、ディップコーティングなどの
方法が挙げられる。The means for applying the coating composition according to the present invention is not particularly limited, and examples thereof include brush coating, sponge coating, spray coating, roll coating, flow coating, spin coating, and dip coating.
【００６１】本発明による光触媒性着色被覆は、その表
面を着色し、防汚性または親水性としたい基材の表面
に、まず着色塗料組成物が塗布され、その後乾燥または
硬化されて着色被膜を形成する。ついで、該着色被覆の
上に光触媒性塗料組成物が塗布され、その後乾燥または
硬化されて、着色被膜の上に透明な光触媒性被膜を形成
する。ここで、乾燥または硬化は、室温放置、強制乾
燥、加熱、紫外線照射等によって実施することができ
る。また、着色塗料組成物が塗布された後、十分な乾燥
を行わずにウェット オン ウェットによって続けて光
触媒性塗料組成物を塗布することもできる。In the photocatalytic colored coating according to the present invention, a colored coating composition is first applied to the surface of a base material whose surface is to be colored and made stainproof or hydrophilic, and then dried or cured to form a colored coating. Form. Next, a photocatalytic coating composition is applied over the colored coating and then dried or cured to form a transparent photocatalytic coating over the colored coating. Here, drying or curing can be performed by leaving at room temperature, forced drying, heating, ultraviolet irradiation, or the like. Further, after the colored coating composition is applied, the photocatalytic coating composition can be applied continuously by wet-on-wet without performing sufficient drying.
【００６２】本発明の着色塗料組成物が適用される基材
表面は清浄であることが好ましい。特に乗物筐体や建築
物の外壁等、既設の基材に塗布する場合には、予め洗浄
剤の使用など、公知の方法にて洗浄することが望まし
い。The surface of the substrate to which the colored coating composition of the present invention is applied is preferably clean. In particular, when applying the composition to an existing base material such as a vehicle housing or an outer wall of a building, it is preferable to perform cleaning by a known method such as using a cleaning agent in advance.
【００６３】本発明による着色塗料組成物を適用する前
に、基材表面にアンダーコート層を設けることができ
る。アンダーコート層は基材と着色被膜とを強固に密着
させる効果、基材の吸水や吸湿を抑える効果、基材の防
錆の効果、立体的な凹凸模様を形成して特殊な意匠を付
加する効果などを有することができる。Before applying the colored coating composition according to the present invention, an undercoat layer can be provided on the surface of the substrate. The undercoat layer has the effect of firmly adhering the base material and the colored film, the effect of suppressing water absorption and moisture absorption of the base material, the effect of preventing rust of the base material, and the addition of a special design by forming a three-dimensional uneven pattern. It can have effects and the like.
【００６４】本発明の光触媒性半導体材料の光励起は、
光半導体結晶の伝導電子帯と価電子帯との間のエネルギ
−ギャップよりも大きなエネルギ−（すなわち短い波
長）を有する光を光半導体に照射して行う。The photoexcitation of the photocatalytic semiconductor material of the present invention is
This is performed by irradiating the optical semiconductor with light having energy (ie, shorter wavelength) than the energy gap between the conduction electron band and the valence band of the optical semiconductor crystal.
【００６５】より具体的には、光半導体がアナタース型
酸化チタンの場合には波長３８７ｎｍ以下、ルチル酸化
チタンの場合には波長４１３ｎｍ以下、酸化錫の場合に
は波長３４４ｎｍ以下、酸化亜鉛の場合には波長３８７
ｎｍ以下の光を含有する光線を照射する。More specifically, when the optical semiconductor is an anatase-type titanium oxide, the wavelength is 387 nm or less, when the rutile titanium oxide is 413 nm or less, when the tin oxide is 344 nm or less, and when the zinc oxide is zinc oxide. Is the wavelength 387
Irradiation with a light beam containing light of nm or less.
【００６６】上記光半導体の場合は、紫外線光源により
光励起されるので、光源としては、蛍光灯、白熱電灯、
メタルハライドランプ、水銀ランプのような室内照明、
太陽光や、それらの光源を低損失のファイバ−で誘導し
た光源等を利用できる。In the case of the above-mentioned optical semiconductor, the light is excited by an ultraviolet light source, so that the light source may be a fluorescent lamp, an incandescent lamp, or the like.
Interior lighting such as metal halide lamps and mercury lamps,
Sunlight, a light source in which such a light source is guided by a low-loss fiber, or the like can be used.
【００６７】[0067]
【実施例】以下本発明を実施例に基づき詳細に説明する
が、本発明はこれら実施例に限定されるものではない。 （実施例１）１５０ｍｍ×６５ｍｍに裁断した厚さ1ｍ
ｍの鋼板上にエポキシ系プライマを塗布し、中国塗料製
無機塗料ケイソル白No.25をスプレー塗布し常温で硬化
させ、膜厚２５μmの塗装板を作製した。その後、石原
産業製光触媒性コ−ティング液ＳＴＫ０１（アナタ−ゼ
型酸化チタンとアルキルシリケ−トと水とメタノ−ルと
プロパノ−ルからなる組成物）１．５重量部と石原産業
製光触媒性コ−ティング液ＳＴＫ０３（アナタ−ゼ型酸
化チタンとアルキルシリケ−トと水とメタノ−ルとプロ
パノ−ルからなる組成物）１．５重量部とイソブチルア
ルコール９７重量部を混合・撹拌し、光触媒用組成物を
用意した。前記の料面にスプレーコ−ティング法で光触
媒用組成物をｗｅｔ状態にて約１０〜１５g/m2基材表面
に塗布後、温風循環式乾燥炉で８０℃３０分乾燥させて
光触媒層を硬化させ、本発明による光触媒性被覆着色物
品を得た。作製した試料表面は均一透明であり、ヒビ等
の外観不良は観察されなかった。光沢度を６０°法で測
定したところ、８１％であった。次に試料の光励起によ
る光親水化について調べた。光励起による光親水化は、
試料表面に紫外線照度０．５ｍＷ／ｃｍ2の光源（三共
電気、ブラックライトブル−（ＢＬＢ）蛍光灯）を７２
時間照射し、照射後の試料表面の水との接触角を測定す
ることにより調べた。ここで水との接触角は接触角測定
器（協和界面科学、ＣＡ−Ｘ１５０）を用い、マイクロ
シリンジから試料表面に水滴を滴下した後１０秒後に測
定した。その結果、水との接触角は０゜であり、高度に
親水化されていることが確認された。JISK5400に従いSW
OM試験を1500hrまで実施したところ、接触角は、６°と
親水性は良好であった。光沢度保持率は８０％であっ
た。やや光沢度の低下は認められるものの優れた親水性
を長期にわたり発現した。EXAMPLES The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples. (Example 1) 1 m thickness cut into 150 mm x 65 mm
An epoxy-based primer was applied on a steel plate having a thickness of 25 m, and an inorganic coating made of Chinese paint, Keisol White No. 25, was applied by spraying and cured at room temperature to prepare a coated plate having a thickness of 25 μm. Thereafter, 1.5 parts by weight of a photocatalytic coating liquid STK01 (a composition comprising an anatase type titanium oxide, an alkyl silicate, water, methanol and propanol) manufactured by Ishihara Sangyo Co., Ltd. 1.5 parts by weight of a stinging solution STK03 (composition comprising anatase type titanium oxide, an alkyl silicate, water, methanol and propanol) and 97 parts by weight of isobutyl alcohol are mixed and stirred to form a photocatalyst composition Things were prepared. The composition for photocatalyst is applied to the surface of the base material by a spray coating method in a wet state at about 10 to 15 g / m2 and then dried at 80 ° C. for 30 minutes in a hot air circulation drying oven to cure the photocatalyst layer. Thus, a photocatalytic coated colored article according to the present invention was obtained. The surface of the prepared sample was uniformly transparent, and no defective appearance such as cracks was observed. The gloss measured by the 60 ° method was 81%. Next, the photohydrophilization of the sample by photoexcitation was examined. Photohydrophilization by photoexcitation is
A light source (Sankyo Electric, Black Light Bull- (BLB) fluorescent lamp) having an ultraviolet illuminance of 0.5 mW / cm 2 was applied to the surface of the sample.
The irradiation was performed for a time, and the contact angle with water on the sample surface after the irradiation was measured. Here, the contact angle with water was measured using a contact angle measuring device (Kyowa Interface Science, CA-X150) 10 seconds after a water droplet was dropped on the sample surface from the micro syringe. As a result, the contact angle with water was 0 °, and it was confirmed that the particles were highly hydrophilized. SW according to JISK5400
When the OM test was performed up to 1500 hours, the contact angle was 6 ° and the hydrophilicity was good. The gloss retention was 80%. Although a slight decrease in gloss was observed, excellent hydrophilicity was exhibited over a long period of time.
【００６８】（実施例２）着色塗料として日本ペイント
製フッ素塗料ディフロン白をスプレー塗布した以外は、
実施例１と同様に塗装板を作製した。初期外観、親水性
ともに良好であった。初期光沢度は、９７％であった。
SWOM試験を1500hrまで実施したところ、接触角は、０°
と高度に親水性を発現した。光沢度保持率は８６％であ
った。やや光沢度の低下は認められるものの優れた親水
性を長期にわたり発現した。(Example 2) Except for spray-coating Nippon Paint's fluorine paint Diflon white as a colored paint,
A coated plate was produced in the same manner as in Example 1. Both the initial appearance and the hydrophilicity were good. The initial glossiness was 97%.
When the SWOM test was performed up to 1500 hours, the contact angle was 0 °
And highly expressed hydrophilicity. The gloss retention was 86%. Although a slight decrease in gloss was observed, excellent hydrophilicity was exhibited over a long period of time.
【００６９】（実施例３）着色塗料としてイサム塗料製
アクリルシリコン塗料ネオシリカ#1000白をスプレー塗
布した以外は、実施例１と同様に塗装板を作製した。初
期外観、親水性ともに良好であった。初期光沢度は、９
３％であった。SWOM試験を1500hrまで実施したところ、
接触角は、４°と高度に親水性を発現した。光沢度保持
率は７５％であった。やや光沢度の低下は認められるも
のの優れた親水性を長期にわたり発現した。Example 3 A coated plate was prepared in the same manner as in Example 1 except that acrylic silicone paint Neosilica # 1000 white made by Isamu Paint was spray-painted as a coloring paint. Both the initial appearance and the hydrophilicity were good. The initial glossiness is 9
3%. When the SWOM test was performed up to 1500 hours,
The contact angle was 4 °, exhibiting a high degree of hydrophilicity. The gloss retention was 75%. Although a slight decrease in gloss was observed, excellent hydrophilicity was exhibited over a long period of time.
【００７０】（比較例１）着色塗料の上に光触媒性組成
物を塗布しなかった以外は、実施例３と同様に塗装板を
作製した。作製直後は、接触角が８０°、光沢度が８４
％であった。SWOM試験の1500hr後では、接触角が５０
°、光沢度保持率が９６％であった。光沢の低下は、ほ
とんど認められなかったが、接触角が低下するのに長時
間を要したものの、充分な親水性は得られなかった。Comparative Example 1 A coated plate was prepared in the same manner as in Example 3, except that the photocatalytic composition was not applied on the colored paint. Immediately after fabrication, the contact angle is 80 ° and the gloss is 84.
%Met. After 1500 hours of SWOM test, the contact angle is 50
°, the gloss retention was 96%. Although a decrease in gloss was hardly observed, it took a long time for the contact angle to decrease, but sufficient hydrophilicity was not obtained.
【００７１】（実施例４）着色塗料として日本触媒製ハ
イブリッド塗料ユーダブルC3300白をスプレー塗布した
以外は、実施例１と同様に塗装板を作製した。初期外
観、親水性ともに良好であった。初期光沢度は、９７％
であった。SWOM試験を1500hrまで実施したところ、接触
角は、５°と良好な親水性を発現した。光沢度保持率は
５５％であった。光沢度の低下は認められるものの、優
れた親水性を長期にわたり発現した。(Example 4) A coated plate was prepared in the same manner as in Example 1 except that hybrid paint Udouble C3300 white manufactured by Nippon Shokubai was spray-coated as a colored paint. Both the initial appearance and the hydrophilicity were good. Initial gloss is 97%
Met. When the SWOM test was performed for up to 1500 hours, the contact angle was 5 °, exhibiting good hydrophilicity. The gloss retention was 55%. Although a decrease in gloss was observed, excellent hydrophilicity was exhibited over a long period of time.
【００７２】（比較例２）着色塗料の上に光触媒性組成
物を塗布しなかった以外は、実施例４と同様に塗装板を
作製した。作製直後は、接触角が８４°、光沢度が９１
％であった。SWOM試験の1500hr後では、接触角が６２
°、光沢度保持率が８０％であった。親水性にはならず
に、着色塗料の劣化が進んでいた。Comparative Example 2 A coated plate was prepared in the same manner as in Example 4 except that the photocatalytic composition was not applied on the colored paint. Immediately after fabrication, the contact angle is 84 ° and the gloss is 91.
%Met. After 1500 hours of SWOM test, the contact angle was 62
°, the gloss retention was 80%. Deterioration of the colored paint was progressing without becoming hydrophilic.
【００７３】（実施例５）着色塗料として日本油脂製セ
ラミック系塗料ベルクリーンNo.5000白をスプレー塗布
した以外は、実施例１と同様に塗装板を作製した。初期
外観、親水性ともに良好であった。SWOM試験を1500hrま
で実施したところ、接触角は、０°と高度に親水性を発
現した。光沢度保持率は１１０％とやや光沢が上昇して
いた。わずかな光沢度の増加は認められるものの、優れ
た親水性を長期にわたり発現した。(Example 5) A coated plate was prepared in the same manner as in Example 1 except that a ceramic paint Belclean No. 5000 white made by NOF was spray-coated as a coloring paint. Both the initial appearance and the hydrophilicity were good. When the SWOM test was performed for up to 1500 hours, the contact angle was 0 °, indicating a high degree of hydrophilicity. The gloss retention was 110%, indicating a slight increase in gloss. Although a slight increase in gloss was observed, excellent hydrophilicity was exhibited over a long period of time.
【００７４】（実施例６）着色塗料として東洋インキ製
アクリルシリコン塗料ナノファイン白をスプレー塗布し
た以外は、実施例１と同様に塗装板を作製した。初期外
観は、光沢度が３３％と艶消しの外観であった。また親
水性は良好であった。SWOM試験を1500hrまで実施したと
ころ、接触角は、０°と高度に親水性を発現した。光沢
度保持率は４５％まで低下したが、初期外観が艶消しで
あったので、目視外観に変化を、認めることはできなか
った。(Example 6) A coated plate was prepared in the same manner as in Example 1 except that an acrylic silicon paint Nanofine White manufactured by Toyo Ink was spray-coated as a coloring paint. The initial appearance was a matte appearance with a gloss of 33%. The hydrophilicity was good. When the SWOM test was performed for up to 1500 hours, the contact angle was 0 °, indicating a high degree of hydrophilicity. Although the gloss retention decreased to 45%, no change was observed in the visual appearance because the initial appearance was matte.
【００７５】（実施例７）着色塗料として扇屋塗料製無
機塗料APペイント白をスプレー塗布し、１８０℃の熱処
理をした以外は、実施例１と同様に塗装板を作製した。
初期外観は、光沢度が２３％と艶消しの外観であった。
また親水性は良好であった。SWOM試験を1500hrまで実施
したところ、接触角は、２°と高度に親水性を発現し
た。光沢保持率は９５％であった。光沢度の変化はほと
んど無く、優れた親水性を長期にわたり発現した。(Example 7) A coated plate was produced in the same manner as in Example 1 except that an inorganic paint AP paint white made by Ogiya Paint was spray-applied as a colored paint and heat-treated at 180 ° C.
The initial appearance was a matte appearance with a gloss of 23%.
The hydrophilicity was good. When the SWOM test was performed for up to 1500 hours, the contact angle was 2 °, indicating a high degree of hydrophilicity. The gloss retention was 95%. There was almost no change in gloss, and excellent hydrophilicity was exhibited over a long period of time.
【００７６】（実施例８）着色塗料としてエスケー化研
製アクリルシリコン塗料セラタイトSiをスプレー塗布し
た以外は、実施例１と同様に塗装板を作製した。初期外
観、親水性ともに良好であった。初期光沢度は、９２％
であった。SWOM試験を1500hrまで実施したところ、接触
角は、３°と高度に親水性を発現した。光沢度保持率は
５０％であった。光沢度の低下は認められるものの、優
れた親水性を長期にわたり発現した。(Example 8) A coated plate was prepared in the same manner as in Example 1 except that an acrylic silicon paint Ceratite Si manufactured by SK Chemical Co., Ltd. was spray-coated as a coloring paint. Both the initial appearance and the hydrophilicity were good. Initial gloss is 92%
Met. When the SWOM test was performed up to 1500 hours, the contact angle was 3 °, which was highly hydrophilic. The gloss retention was 50%. Although a decrease in gloss was observed, excellent hydrophilicity was exhibited over a long period of time.
【００７７】（実施例９）着色塗料としてエスケー化研
製アクリルウレタン系塗料ハイアートをスプレー塗布し
た以外は、実施例１と同様に塗装板を作製した。初期外
観、親水性ともに良好であった。初期光沢度は、１０６
％であった。SWOM試験を1500hrまで実施したところ、接
触角は２０°、光沢度保持率は１５％であった。光沢度
の低下は認められるものの、良好な親水性を長期にわた
り発現した。艶消しの状態であったが、着色塗料の劣化
は、少なかった。(Example 9) A coated plate was prepared in the same manner as in Example 1 except that an acrylic urethane-based paint Hi Art manufactured by SK Chemical Co., Ltd. was spray-coated as a colored paint. Both the initial appearance and the hydrophilicity were good. The initial gloss is 106
%Met. When the SWOM test was performed up to 1500 hours, the contact angle was 20 ° and the gloss retention was 15%. Although a decrease in gloss was observed, good hydrophilicity was exhibited over a long period of time. Despite the matte state, the deterioration of the colored paint was small.
【００７８】（比較例３）着色塗料の上に光触媒性組成
物を塗布しなかった以外は、実施例９と同様に塗装板を
作製した。作製直後は、接触角が９６°、光沢度が９０
％であった。SWOM試験の1500hr後では、接触角が９０
°、光沢度保持率が４０％であった。親水性にはならず
に、着色塗料の劣化がかなり進んでいた。Comparative Example 3 A coated plate was prepared in the same manner as in Example 9 except that the photocatalytic composition was not applied on the colored paint. Immediately after fabrication, the contact angle is 96 ° and the gloss is 90.
%Met. After 1500 hours of SWOM test, the contact angle is 90
°, the gloss retention was 40%. Deterioration of the coloring paint was considerably advanced without becoming hydrophilic.
【発明の効果】本発明の光触媒性着色被覆物品は施工す
ぐに親水性を発現し優れた防汚性能を発現することがで
きる。さらに、省工数で、低コストで、着色塗料の寿命
と同等の実用的な耐久性を持つ優れた防汚性能を持つ光
触媒性着色被覆物品を提供することができる。さらに該
着色被覆物品を形成するための透明光触媒性組成物およ
び着色塗料組成物を提供することができる。さらにその
製造方法を提供することができる。According to the present invention, the photocatalytic colored coated article of the present invention can exhibit hydrophilicity immediately after construction and exhibit excellent antifouling performance. Furthermore, it is possible to provide a photocatalytic colored coated article having excellent antifouling performance with practical durability equivalent to the life of the colored coating material with low man-hours and low cost. Further, a transparent photocatalytic composition and a colored coating composition for forming the colored coated article can be provided. Further, a manufacturing method thereof can be provided.
【図１】図１は、本発明の実施形態に係る被覆物品の代
表的な断面図である。FIG. 1 is a representative cross-sectional view of a coated article according to an embodiment of the present invention.
１…基材表層（アンダー層） ２…顔料 ３…高耐候性結着材１（アクリルシリコン系組成物） ４…高耐候性結着材２（シリケート系組成物） ５…光触媒性半導体材料（アナターゼ型酸化チタン） DESCRIPTION OF SYMBOLS 1 ... Surface layer of base material (under layer) 2 ... Pigment 3 ... High weather resistant binder 1 (acrylic silicon type composition) 4 ... High weather resistant binder 2 (silicate type composition) 5 ... Photocatalytic semiconductor material ( Anatase type titanium oxide)
Claims (10)
して含む着色塗膜と、透明である光触媒性塗膜とからな
る光触媒性着色被覆物品1. A photocatalytic colored coated article comprising a base material, a colored coated film containing a highly weather-resistant binder as a film forming element, and a transparent photocatalytic coated film.
料、ハイブリッド塗料、アクリルシリコン系塗料、アク
リルウレタン系塗料のいずれかを用いて形成される請求
項１記載の光触媒性着色被覆物品2. The photocatalytic colored coated article according to claim 1, wherein the colored coating film is formed using any one of a fluorine-based paint, an inorganic paint, a hybrid paint, an acrylic silicone paint, and an acrylic urethane paint.
２記載の光触媒性着色被覆物品3. The photocatalytic colored coated article according to claim 1, wherein the colored coating film is matte.
以上５０％以下であることを特徴とする請求項１乃至３
いずれか１項記載の光触媒性着色被覆物品4. The 60 ° specular gloss of the colored coating film is 1%
4 to 50% or less.
A photocatalytic colored coated article according to any one of the preceding claims.
いずれか１項記載の光触媒性着色被覆物品5. The colored coating film is white.
A photocatalytic colored coated article according to any one of the preceding claims.
乃至５いずれか１項記載の光触媒性着色被覆物品6. The photocatalytic coating film is matte.
The photocatalytic colored coated article according to any one of claims 1 to 5,
１％以上５０％以下であることを特徴とする請求項１乃
至６いずれか１項記載の光触媒性着色被覆物品7. The photocatalytic coating film has a 60-degree specular gloss.
The photocatalytic colored coated article according to any one of claims 1 to 6, wherein the content is 1% or more and 50% or less.
成する第二の工程と、 透明である光触媒性塗膜を形成する第三の工程と、 を有する光触媒性着色被覆物品の製造方法8. A first step of preparing a base material, a second step of forming a colored coating film containing a highly weather-resistant binder as a coating element, and forming a transparent photocatalytic coating film. And a method for producing a photocatalytic colored coated article comprising:
１項記載の着色塗膜である請求項８記載の光触媒性着色
被覆物品の製造方法9. The method for producing a photocatalytic colored coated article according to claim 8, wherein the colored coating is the colored coating according to any one of claims 2 to 5.
ずれか１項記載の光触媒性塗膜である請求項８又は９記
載の光触媒性着色被覆物品の製造方法10. The method for producing a photocatalytic colored coated article according to claim 8 or 9, wherein the photocatalytic coating is the photocatalytic coating according to any one of claims 6 and 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000277017A JP2001149855A (en) | 1999-09-14 | 2000-09-12 | Photocatalytic colored coated article |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11-260777 | 1999-09-14 | ||
| JP26077799 | 1999-09-14 | ||
| JP2000277017A JP2001149855A (en) | 1999-09-14 | 2000-09-12 | Photocatalytic colored coated article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001149855A true JP2001149855A (en) | 2001-06-05 |
Family
ID=26544750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000277017A Pending JP2001149855A (en) | 1999-09-14 | 2000-09-12 | Photocatalytic colored coated article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001149855A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144383A (en) * | 2003-11-18 | 2005-06-09 | Koto Seishoku Kk | Photocatalyst-processed sheet |
| JP2005272677A (en) * | 2004-03-25 | 2005-10-06 | Nisshin Steel Co Ltd | Member for utensils |
| KR20110083630A (en) * | 2008-10-21 | 2011-07-20 | 아사히 가라스 가부시키가이샤 | Light-scattering fluororesin film for agricultural applications, and method for producing same |
| WO2012053566A1 (en) * | 2010-10-20 | 2012-04-26 | 信越化学工業株式会社 | Photocatalytic coating solution and photocatalytic thin film produced from same |
| JP2015066866A (en) * | 2013-09-30 | 2015-04-13 | マツダ株式会社 | Laminated coating film and coated product |
| JP2015085257A (en) * | 2013-10-30 | 2015-05-07 | マツダ株式会社 | Lamination coating film and coated article |
| WO2022059520A1 (en) * | 2020-09-15 | 2022-03-24 | 信越化学工業株式会社 | Titanium oxide particles and liquid dispersion thereof, photocatalyst thin film, member having photocatalyst thin film formed on surface thereof, and method for producing liquid dispersion of titanium oxide particles |
-
2000
- 2000-09-12 JP JP2000277017A patent/JP2001149855A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144383A (en) * | 2003-11-18 | 2005-06-09 | Koto Seishoku Kk | Photocatalyst-processed sheet |
| JP2005272677A (en) * | 2004-03-25 | 2005-10-06 | Nisshin Steel Co Ltd | Member for utensils |
| KR20110083630A (en) * | 2008-10-21 | 2011-07-20 | 아사히 가라스 가부시키가이샤 | Light-scattering fluororesin film for agricultural applications, and method for producing same |
| KR101660998B1 (en) | 2008-10-21 | 2016-09-28 | 아사히 가라스 가부시키가이샤 | Light-scattering fluororesin film for agricultural applications, and method for producing same |
| WO2012053566A1 (en) * | 2010-10-20 | 2012-04-26 | 信越化学工業株式会社 | Photocatalytic coating solution and photocatalytic thin film produced from same |
| JP2015066866A (en) * | 2013-09-30 | 2015-04-13 | マツダ株式会社 | Laminated coating film and coated product |
| JP2015085257A (en) * | 2013-10-30 | 2015-05-07 | マツダ株式会社 | Lamination coating film and coated article |
| US10118196B2 (en) | 2013-10-30 | 2018-11-06 | Mazda Motor Corporation | Laminated coating film and coated article |
| DE112014004985B4 (en) | 2013-10-30 | 2024-05-29 | Mazda Motor Corporation | Multilayer coating film and coated article |
| WO2022059520A1 (en) * | 2020-09-15 | 2022-03-24 | 信越化学工業株式会社 | Titanium oxide particles and liquid dispersion thereof, photocatalyst thin film, member having photocatalyst thin film formed on surface thereof, and method for producing liquid dispersion of titanium oxide particles |
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