CN108410221A - 自清洁的涂层 - Google Patents
自清洁的涂层 Download PDFInfo
- Publication number
- CN108410221A CN108410221A CN201810364723.8A CN201810364723A CN108410221A CN 108410221 A CN108410221 A CN 108410221A CN 201810364723 A CN201810364723 A CN 201810364723A CN 108410221 A CN108410221 A CN 108410221A
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- CN
- China
- Prior art keywords
- self
- oxide
- cleaning coating
- cleaning
- coating
- 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
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- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 239000011248 coating agent Substances 0.000 title claims abstract description 49
- 238000004140 cleaning Methods 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 50
- 230000001699 photocatalysis Effects 0.000 claims abstract description 20
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 15
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 67
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 39
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 30
- 239000000377 silicon dioxide Substances 0.000 claims description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 12
- 230000007547 defect Effects 0.000 claims description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 9
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
- 229920001684 low density polyethylene Polymers 0.000 claims description 8
- 239000004702 low-density polyethylene Substances 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- -1 perovskite Chemical compound 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- BSYQEPMUPCBSBK-UHFFFAOYSA-N [F].[SiH4] Chemical compound [F].[SiH4] BSYQEPMUPCBSBK-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 229940126214 compound 3 Drugs 0.000 abstract description 3
- 238000000151 deposition Methods 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
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- 238000005229 chemical vapour deposition Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 239000004408 titanium dioxide Substances 0.000 description 16
- 238000007146 photocatalysis Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
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- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 8
- 230000010148 water-pollination Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
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- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 244000248349 Citrus limon Species 0.000 description 1
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- 229920000742 Cotton Polymers 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 239000002042 Silver nanowire Substances 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- JTCFNJXQEFODHE-UHFFFAOYSA-N [Ca].[Ti] Chemical compound [Ca].[Ti] JTCFNJXQEFODHE-UHFFFAOYSA-N 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 230000003373 anti-fouling effect Effects 0.000 description 1
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
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- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G27/00—Floor fabrics; Fastenings therefor
- A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/0615—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
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- C01G23/04—Oxides; Hydroxides
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- C01G23/0536—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing chloride-containing salts
-
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/02—Oxides
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
- C03C17/25—Oxides by deposition from the liquid phase
- C03C17/256—Coating containing TiO2
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1681—Antifouling coatings characterised by surface structure, e.g. for roughness effect giving superhydrophobic coatings or Lotus effect
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- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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- C—CHEMISTRY; METALLURGY
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/80—Processes for incorporating ingredients
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic Table; Zincates; Cadmates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
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Abstract
本发明公开了一种自清洁的涂层,所述的涂层由一种或多种涂层一次性或分多次复合形成,所述的涂层至少包括以下三种物质:a)亲水性材料;b)疏水性材料;c)多孔性材料;d)光催化性材料;e)抗静电性材料。本发明主要为复合3种以上特定物理性能的功能材料,利用一次或多次复合形成自清洁表面从而形成环保的自清洁表面,这种表面可以由涂层构成,也可以由化学气相沉积或物理气相沉积法按照所述关键原理进行构造。本发明通过创新的物理化学设计整合多种物理化学表面特性,该构造方法可以制造出优于市售普通自清洁涂料等的先进自清洁表面。
Description
技术领域
本发明涉及自清洁领域,尤其涉及一种自清洁的涂层。
背景技术
目前,世界各国就自清洁、防污表面的研究工作逐渐增多,其中超疏水或者超亲水技术是一种典型的自清洁技术,其典型物质有(氧化锌,氧化硅,氧化钛,氧化钨、氟硅烷)。也有利用光催化技术其典型代表有(氧化钛,氧化钨,硫化镉,钙钛矿等)进行环境净化有其独有的优势,对于高低浓度的物质都有稳定的效果,并且对环境友好,对人体无害,可以有效分解空气中的VOCs,NOx等污染物。也有采用表面复合导电材料的方法减低表面静电集聚效果形成不易积灰表面,比如纳米银纤维等。也有利用超疏水性能制造自清洁表面的,起典型应用如 氟硅烷,氟树脂,PVDF,PTFE 表面。
目前广泛限制应用的主要还是其实际应用性能问题。自然环境的特点决定了污染不是单一的,而是复合多变的,实验室模拟的测试条件永远是不足的,所以上述技术在使用时都会面临局限性。
a)单独超亲水技术在实际应用中经常会被空气中有机物形成的沉积物污染,导致亲水性随着时间推移消失。
b)单独超疏水技术除了在受到上述有机物污染影响外,由于超疏水会在表面形成微米或者纳米级的峰-谷粗糙结构,一旦空气中的超细污染物(比如来自于汽车尾气的超细碳粒) 嵌入峰-谷结构,而由于疏水特性,其颗粒无法被水冲洗行程表面污垢。
c)单独光催化表面可以分解油性的有机污染物,但是无法对无机污染物,比如上述的碳粒,灰尘,砂砾形成作用。
d)多孔表面可以在表面引入空气,提高表面通透度,降低折光率,同时由于微量空气存在表面灰尘不易粘附,但是如果空气中含有油性的有机污染物非常容易污染多孔表面。
e)抗静电表面可以让灰尘不容易因为静电因素累计在物体表面,但是即便是效率达到90%以上,随着时间推移灰尘无法有效清洁最终会导致表面失效,在复合污染和高污染地区,这类自洁表面寿命非常短。
发明内容
本发明的目的:提供一种自清洁的涂层,采用复合多种基础表面物理化学特性的方法,其在性能和寿命大大提高。
为了实现上述目的,本发明的技术方案是:
一种自清洁的涂层,所述的涂层由一种或多种涂层一次性或分多次复合形成,所述的涂层至少包括以下三种物质:
a)亲水性材料;
b)疏水性材料;
c)多孔性材料;
d)光催化性材料;
e)抗静电性材料。
上述的自清洁的涂层,其中,所述的涂层必须同时含有c)、d)、e)材料,且至少含有a)材料或b)材料中的一种。
上述的自清洁的涂层,其中,所述的亲水性材料包括氧化钛、氧化锆、氧化硅或氧化钨。
上述的自清洁的涂层,其中,所述的亲水性材料的水接触角<20度。
上述的自清洁的涂层,其中,所述的疏水性材料包括硅烷、氟硅烷、有机硅树脂、氟树脂或LDPE。
上述的自清洁的涂层,其中,所述的疏水性材料的水接触角>110度。
上述的自清洁的涂层,其中,所述的多孔性材料包括氧化硅、氧化钛、氧化锆、氧化钨、碳纳米管、银纳米线、LDPE、氧化铝或氧化锌。
上述的自清洁的涂层,其中,所述的多孔性材料的孔隙率占整体表面材料的20%以上。
上述的自清洁的涂层,其中,所述的光催化性材料包括氧化钛、氧化钨、硫化镉、钙钛矿、氧化锌、锌、铜、稀土元素、银、铂或金。
上述的自清洁的涂层,其中,所述的抗静电性材料氧化钛、氧缺陷氧化钛、氧化锆、氧化硅、氧化铝、稀土元素、铜、银、铂或金。
本发明主要为复合3种以上特定物理性能的功能材料,利用一次或多次复合形成自清洁表面从而形成环保的自清洁表面,这种表面可以由涂层构成,也可以由化学气相沉积或物理气相沉积法按照所述关键原理进行构造。本发明通过创新的物理化学设计整合多种物理化学表面特性,该构造方法可以制造出优于市售普通自清洁涂料等的先进自清洁表面。
具体实施方式
一种自清洁的涂层,所述的涂层由一种或多种涂层一次性或分多次复合形成,所述的涂层至少包括以下三种物质:
a)亲水性材料,所述的亲水性材料包括氧化钛、氧化锆、氧化硅或氧化钨等;
b)疏水性材料,所述的疏水性材料包括硅烷、氟硅烷、有机硅树脂、氟树脂或LDPE等;
c)多孔性材料,所述的多孔性材料包括氧化硅、氧化钛、氧化锆、氧化钨、碳纳米管、银纳米线、LDPE、氧化铝或氧化锌等;
d)光催化性材料,所述的光催化性材料包括氧化钛、氧化钨、硫化镉、钙钛矿、氧化锌、锌、铜、稀土元素、银、铂或金等;
e)抗静电性材料,所述的抗静电性材料氧化钛、氧缺陷氧化钛、氧化锆、氧化硅、氧化铝、稀土元素、铜、银、铂或金等。
所述的涂层必须同时含有c)、d)、e)材料,且至少含有a)材料或b)材料中的一种。
本发明采用至少3种技术表面技术复合的解决方案,并且有效的进行设计,使得其可以协同发挥作用,且表面必须含有光催化特性。
所述的亲水性材料的水接触角<20度。
所述的疏水性材料的水接触角>110度。
所述的多孔性材料的孔隙率占整体表面材料的20%以上。
实施例1:
所述的涂层由纳米二氧化钛、氧缺陷氧化钛、量子点二氧化钛构成,所述的纳米二氧化钛粒径<50nm,所述的量子点二氧化钛粒径<5nm。
其中部分二氧化钛为锐钛矿结构以提供光催化效果;氧缺陷氧化钛可以吸收部分蓝色波长光线,以便更好的在可见光下提供光催化和亲水性、可以由碳掺杂或者氮掺杂形成,或者其他阳离子掺杂形成;部分二氧化钛为非空间对称结构,其长宽比大于1,优选大于1.5,以便在表面堆积后形成多孔膜,同时有利于暴露出最多的表面断裂化学键提高亲水性和光催化性且上述多孔氧化钛结构有助于形成亲水性;上述多种不同尺寸形貌氧化钛联合形成多孔氧化钛配合空气可以形成抗静电表面。
实施例2:
所述的涂层由纳米二氧化钛、氧缺陷氧化钛、氧化硅构成;所述的纳米二氧化钛粒径<50nm。
氧化硅以表面修饰的形态出现在二氧化钛表面; 其中部分二氧化钛为锐钛矿结构以提供光催化效果;氧缺陷氧化钛可以吸收部分蓝色波长光线,以便更好的在可见光下提供光催化和亲水性、可以由碳掺杂或者氮掺杂形成,或者其他阳离子掺杂形成;部分二氧化钛为非球体结构,类似立方体,提供较致密的表面涂层结构,同时利用立方体堆积间的空隙形成多孔结构。上述多孔氧化钛、氧化硅混合物有助于形成亲水性,上述多孔氧化钛、氧化硅混合物配合空气可以形成抗静电表面。
实施例3:
所述的涂层由氟硅烷、氧缺陷氧化钛、氧化硅构成,所述的二氧化钛粒径<50nm。
氧化硅以表面修饰的形态出现在二氧化钛表面, 其中部分二氧化钛为锐钛矿结构以提供光催化效果;氧缺陷氧化钛可以吸收部分蓝色波长光线,以便更好的在可见光下提供光催化和亲水性、可以由碳掺杂或者氮掺杂、或者其他阳离子掺杂形成;部分二氧化钛为非球体结构,类似立方体,提供较致密的表面涂层结构,同时利用立方体堆积间的空隙形成多孔结构;氟硅烷在氧化钛多孔表面及基材表面连接后 提供超疏水性;上述多孔表面结构有助于提高疏水性性能;上述多孔氧化钛、氧化硅混合物配合空气可以形成抗静电表面。
实施例4:
所述的涂层由氟硅烷、氧缺陷氧化钛、氧化硅、LDPE构成;所述的二氧化钛粒径<50nm。
氧化硅以表面修饰的形态出现在二氧化钛表面,其中部分二氧化钛为锐钛矿结构以提供光催化效果;氧缺陷氧化钛可以吸收部分蓝色波长光线,以便更好的在阳光下提供光催化和亲水性、可以由碳掺杂或者氮掺杂、或者其他阳离子掺杂形成;部分二氧化钛为非球体结构,类似立方体,提供较致密的表面涂层结构,同时利用立方体堆积间的空隙形成多孔结构。氟硅烷在氧化钛多孔表面及基材表面连接后可提供超疏水性;上述多孔表面结构配合表面改性可提高疏水性性能,形成空气泡强化疏水性能。上述多孔氧化钛、氧化硅混合物配合空气可以形成抗静电表面,LDPE作为一种颗粒间粘合剂同时提供一定的疏水性能。
实施例5:
所述的涂层由氧化硅、氧化钨、氧化钛构成;所述的二氧化钛粒径<50nm,所述的氧化钨粒径<100nm,所述的部分氧化硅粒径<50nm,所述的部分氧化硅粒径<20nm。
其中部分二氧化钛为锐钛矿结构以提供光催化效果;氧化钨因为其禁带更窄可以吸收部分蓝色波长光线,以便更好的在可见光下提供光催化功能。氧化硅颗粒为两种尺寸并且差距不小于2倍;氧化硅不同尺寸颗粒复合堆积可以形成富含多孔的表面结构;上述多孔表面结构有助于形成亲水性能,上述多孔表面结构配合空气填充有助于形成抗静电性能。
本发明可用于但不限于以下表面的自清洁处理:
i.玻璃(建筑、汽车、飞机等)
ii.金属(建筑、工业设备等)
iii.有涂料覆盖的金属表面(铝复合板、汽车表面)
iv.涂料覆盖的面(建筑墙面、木材表面等)
v.水泥、混凝土等
vi.天然石材(大理石、花岗岩、柠檬石)
vii.化学纤维(氨纶、涤纶、尼龙66、PET、PVC、PU、玻璃)
viii.天然纤维(棉、麻等)
ix.木材表面。
综上所述,本发明主要为复合3种以上特定物理性能的功能材料,利用一次或多次复合形成自清洁表面从而形成环保的自清洁表面,这种表面可以由涂层构成,也可以由化学气相沉积或物理气相沉积法按照所述关键原理进行构造。本发明通过创新的物理化学设计整合多种物理化学表面特性,该构造方法可以制造出优于市售普通自清洁涂料等的先进自清洁表面。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构变换,或直接或间接运用附属在其他相关产品的技术领域,均同理包括在本发明的专利保护范围内。
Claims (10)
1.一种自清洁的涂层,其特征在于:所述的涂层由一种或多种涂层一次性或分多次复合形成,所述的涂层至少包括以下三种物质:
a)亲水性材料;
b)疏水性材料;
c)多孔性材料;
d)光催化性材料;
e)抗静电性材料。
2.根据权利要求1所述的自清洁的涂层,其特征在于:所述的涂层必须同时含有c)、d)、e)材料,且至少含有a)材料或b)材料中的一种。
3.根据权利要求1所述的自清洁的涂层,其特征在于:所述的亲水性材料包括氧化钛、氧化锆、氧化硅或氧化钨。
4.根据权利要求1或3所述的自清洁的涂层,其特征在于:所述的亲水性材料的水接触角<20度。
5.根据权利要求1所述的自清洁的涂层,其特征在于:所述的疏水性材料包括硅烷、氟硅烷、有机硅树脂、氟树脂或LDPE。
6.根据权利要求1或5所述的自清洁的涂层,其特征在于:所述的疏水性材料的水接触角>110度。
7.根据权利要求1所述的自清洁的涂层,其特征在于:所述的多孔性材料包括氧化硅、氧化钛、氧化锆、氧化钨、碳纳米管、银纳米线、LDPE、氧化铝或氧化锌。
8.根据权利要求1或7所述的自清洁的涂层,其特征在于:所述的多孔性材料的孔隙率占整体表面材料的20%以上。
9.根据权利要求1所述的自清洁的涂层,其特征在于:所述的光催化性材料包括氧化钛、氧化钨、硫化镉、钙钛矿、氧化锌、锌、铜、稀土元素、银、铂或金。
10.根据权利要求1所述的自清洁的涂层,其特征在于:所述的抗静电性材料氧化钛、氧缺陷氧化钛、氧化锆、氧化硅、氧化铝、稀土元素、铜、银、铂或金。
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