CN106883665A - A kind of application method of photocatalyst additive and the hydrophilic coating containing the additive - Google Patents
A kind of application method of photocatalyst additive and the hydrophilic coating containing the additive Download PDFInfo
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- CN106883665A CN106883665A CN201710144258.2A CN201710144258A CN106883665A CN 106883665 A CN106883665 A CN 106883665A CN 201710144258 A CN201710144258 A CN 201710144258A CN 106883665 A CN106883665 A CN 106883665A
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- photocatalyst
- additive
- hydrophilic coating
- coating
- photocatalyst additive
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- 238000000576 coating method Methods 0.000 title claims abstract description 81
- 239000011248 coating agent Substances 0.000 title claims abstract description 80
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 66
- 239000000654 additive Substances 0.000 title claims abstract description 54
- 230000000996 additive effect Effects 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004378 air conditioning Methods 0.000 claims abstract description 28
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000005864 Sulphur Substances 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 239000010941 cobalt Substances 0.000 claims abstract description 5
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 229910052720 vanadium Inorganic materials 0.000 claims description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000010148 water-pollination Effects 0.000 claims description 12
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 33
- 239000005030 aluminium foil Substances 0.000 abstract description 13
- 230000001699 photocatalysis Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 210000000981 epithelium Anatomy 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 239000002608 ionic liquid Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 238000005238 degreasing Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 235000019441 ethanol Nutrition 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000003115 biocidal effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005237 degreasing agent Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- -1 1- ethyl-3-methylimidazoles bromide Chemical class 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 125000005909 ethyl alcohol group Chemical group 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RZDSZOMCGARBBI-UHFFFAOYSA-N nitric acid vanadium Chemical compound [V].[N+](=O)(O)[O-] RZDSZOMCGARBBI-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000013074 reference sample Substances 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 241000345998 Calamus manan Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004204 candelilla wax Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
Classifications
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Catalysts (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of application method of photocatalyst additive and the hydrophilic coating containing the additive.The present invention discloses a kind of photocatalyst additive, and for hydrophilic coating, the photo-catalytic coating is the nano titanium oxide TiO doped with cobalt Co, iron Fe, nitrogen N and sulphur S2.Have functions that the hydrophilic coating of the photocatalyst additive can be played and excellent remove toluene；Additionally, present invention also offers the application method of the hydrophilic coating for adding the photocatalyst additive, giving during for air-conditioning aluminum fin-stock, the coating thickness corresponding to the aluminium foil of different-thickness.
Description
Technical field
The present invention relates to coating material technical field, more particularly to a kind of photocatalyst additive and containing the hydrophilic of the additive
The application method of property coating.
Background technology
Photocatalyst is one kind with nano titanium oxide (TiO2) be representative the photosemiconductor material with photo-catalysis function
General name, it coats substrate surface, in the presence of ultraviolet light, produces strong catalytic degradation function：Can effectively degrade
Toxic and harmful in air；Various bacteria can be effectively killed, and the toxin that can be discharged bacterium or fungi is decomposed and harmless
Change is processed；It is also equipped with simultaneously except functions such as toluene, deodorant, anti-soil, purify airs.Photocatalyst technology is Tokyo University in 1967
Professor this build a professor and chance under ultraviolet irradiation with postgraduate rattan island at that time is clear, titanium dioxide electrodes can be with
Split water into hydrogen and oxygen.Under light illumination, valence-band electrons are excited to conduction band to nano-titania photocatalyst, form
Electronics and hole, with the O for being adsorbed in its surface2And H2O is acted on, and generates superoxide anion radical, O2- and hydroxyl free
Base-OH, its free radical have very strong oxidative decomposition capacity, the C-C keys that can be destroyed in organic matter, c h bond, C-N keys, C-O keys,
O-H keys, N-H keys, decomposing organic matter are carbon dioxide and water；The protein of the cell membrane solidification virus of bacterium is destroyed simultaneously, is changed
Become bacterium, the living environment of virus is so as to kill bacterium, virus.
Although it is more that research in the prior art, is doped to nano titanium oxide, in hydrophilic coating
Research is less.
The content of the invention
The embodiment of the invention provides the application method of a kind of photocatalyst additive and the hydrophilic coating containing the additive.
In order to some aspects to the embodiment for disclosing have a basic understanding, simple summary is shown below is.The summarized section
It is not extensive overview, nor to determine key/critical component or describe the protection domain of these embodiments.Its unique mesh
Be that some concepts are presented with simple form, in this, as the preamble of following detailed description.
A kind of first aspect according to embodiments of the present invention, there is provided photocatalyst additive.
In some exemplary embodiments, the photocatalyst additive be doped with cobalt (Co), iron (Fe), nitrogen (N) and
The nano-TiO of sulphur (S)2。
In some optional embodiments, the weight portion composition of the photocatalyst additive is as follows：
In some optional embodiments, the photocatalyst additive is also doped with least one of vanadium V and carbon C element.
In some optional embodiments, the weight portion composition of the vanadium V, carbon C in the photocatalyst additive is as follows：
Vanadium V 0-10%；
Carbon C 0-10%.
In some optional embodiments, the weight portion composition of the photocatalyst additive is as follows：
Hydrophilic coating with any of the above-described photocatalyst additive, can be formed after drying with anti-soil it is degerming, go
The hydrophily epithelium of toluene effect.
A kind of second aspect according to embodiments of the present invention, there is provided application method of hydrophilic coating.
In some exemplary embodiments, the hydrophilic coating is containing the photocatalyst any one of above-described embodiment
Additive, before the shaping of air-conditioning aluminum fin-stock, in the hydrophilic coating that the surface of air-conditioning aluminum fin-stock coats, in institute after drying
The surface formation for stating air-conditioning aluminum fin-stock possesses photocatalyst and hydrophilic film；Wherein, the coated weight of the hydrophilic coating is：
The milli grams per square meter of 1 milli grams per square meter -100.
In some exemplary embodiments, the hydrophilic coating is coated on air-conditioning heat exchange as photocatalyst surface layer
The surface layer of device aluminum fin-stock.
In some optional embodiments, the thickness of the film is related to the aluminum foil thickness of the air-conditioning heat exchanger aluminum fin-stock
Connection.
In some optional embodiments, the temperature of the drying film forming is 80 DEG C -300 DEG C.
Coated weight when above-described embodiment provides the hydrophilic coating that with the addition of photocatalyst additive for air-conditioning aluminum fin-stock.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
Fig. 1 is that the hydrophilic coating with photocatalyst additive according to an exemplary embodiment decomposes toluene effect
Figure.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Embodiment only represents possible change.The part of some embodiments and feature can be included in or replace it
The part of his embodiment and feature.The scope of embodiment of the present invention includes the gamut of claims, Yi Jiquan
The all obtainable equivalent of sharp claim.Herein, each embodiment can be by individually or generally with term " hair
It is bright " represent, this if in fact disclosing the invention more than, is not meant to automatically limit just for the sake of convenient
The scope for making the application is any single invention or inventive concept.
Although more to doped chemical prior art research in photocatalyst additive, for the doping of hydrophilic coating, mesh
Preceding research is less；Return its reason mainly due to the difference of doped chemical, corrosion resistance, hydrophily to hydrophilic coating, heat resistance
Influence is all produced Deng correlated performance.And select improper doped chemical or doped chemical proportioning improper, can greatly weaken hydrophilic
The performance of coating.Additionally, different doped chemicals also has a great impact to the ageing properties of hydrophilic coating.Therefore, different units
The selection of element and proportioning turn into art technology problem.
A kind of first aspect according to embodiments of the present invention, there is provided photocatalyst additive,
In some exemplary embodiments, the photocatalyst additive is used for hydrophilic coating, the photocatalyst addition
Agent is the nano titanium oxide TiO doped with cobalt Co, vanadium V, nitrogen N and sulphur S2.By to nano titanium oxide TiO2Middle cation doping
Co, vanadium V, nitrogen N and sulphur S, can improve hydrophilic coating and decompose the stupid effect of first, and both elements are added in addition will not reduce parent
The performance of water paint, the film after hydrophilic coating coating has hydrophily, corrosion resistance, heat resistance and alkali resistance, to improving
The performance of air-conditioning heat exchanger aluminum fin-stock is significant.
Wherein, the photocatalyst additive is prepared using sol-gel process.Specific method is as follows：At room temperature will stirring
Uniform 34ml butyl titanates and 70ml absolute ethyl alcohols mixed liquor are slowly added into different molal weights under magnetic stirring
Nitric acid vanadium, cobalt nitrate and nitrogenous N, the ionic liquid of sulfur-bearing S, 30ml absolute ethyl alcohols, 35ml glacial acetic acid, 15ml deionized waters it is mixed
Close solution in hydrolyze, stirring 1.5h obtain homogeneous transparent colloidal sol ageing after obtain gel, be subsequently placed in 80 DEG C and be vacuum dried
Chamber type electric resistance furnace is placed in xerogel, after grinding and calcines 2h under different calcining heats, obtain the nanometer titanium dioxide of doping metals
Titanium TiO2；The nitrogenous N ionic liquids can be 1- amido-3-alkyl -1,2,3- triazole nitrate for hydrophilic ionic-liquid；
The sulfur-bearing S ionic liquids can be 1- ethyl-3-methylimidazoles bromide, N- butyl-N- methyl piperidine bromides.
Although it is more that research in the prior art, is doped to nano titanium oxide, in hydrophilic coating
Research is less, and it is the difference due to doped chemical to return its reason, corrosion resistance, hydrophily, heat resistance for hydrophilic coating and resistance to
The correlated performances such as alkalescence all have an impact.If selection is improper or matches improper, such as improper addition of vanadium (V), can greatly weaken
The corrosion resistance of hydrophilic coating, hydrophily, heat resistance and alkali resistance.Additionally, aging of the different doped chemicals to hydrophilic coating
Can have a great impact.Therefore, the selection of different elements and proportioning are to need strict control, are also one of technical barrier.
In some optional embodiments, the weight portion composition of the photocatalyst additive is as follows：
Preferably, the weight portion composition of the cobalt Co can for 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8% or
9%；The weight portion composition of the iron Fe can be 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%；The nitrogen N's
Weight portion composition can be 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%；The weight portion composition of the sulphur S can be with
It is 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%.
In some illustrative embodiments, the nano titanium oxide TiO2Weight in the photocatalyst additive
Part constitutes：50%-90%.
In some optional embodiments, the photocatalyst additive is also doped with least one of vanadium V and carbon C element.
In above process, if the photocatalyst additive is also doped with one or more element in vanadium V and carbon C,
During above-mentioned preparation sol-gel process prepares the photocatalyst additive, the ionic liquid of nitric acid vanadium and carbon containing C is added
Body；Wherein, the carbon containing C ionic liquids can be 1- ethyl-3-methylimidazoles bromide, N- butyl-N- methyl piperidine bromides.
In some optional embodiments, the weight portion of the vanadium V, tungsten W, sulphur S, carbon C in the photocatalyst additive
Composition is as follows：
Vanadium V 0-10%；
Carbon C 0-10%.
In the present embodiment, the doping of inessential doped chemical vanadium V and carbon C in the photocatalyst additive is given
Percentage by weight；Preferably, the weight portion composition of the vanadium V can for 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8% or
9%；The carbon C can be 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%.
In some optional embodiments, the weight portion composition of the photocatalyst additive is as follows：
In some optional embodiments, the weight portion composition of the photocatalyst additive is as follows：
In some optional embodiments, the weight portion composition of the photocatalyst additive is as follows：
Above-described embodiment sets forth the situation of photocatalyst additive preferred ingredient proportioning, and above-mentioned two is implemented below
With the addition of the performance after the hydrophilic coating film forming of the photocatalyst additive in example to be tested, method of testing and result
It is as follows：
Table 1 gives the component of experimental group and various sample in reference group；
In this test, experimental group is with reference group in addition to component is different, and other handling process are identical；
Handling process is specific as follows：
1st, to surface to be measured, the surface of 1000mm aluminium foils is pre-processed；What is pre-processed includes：Degreasing process and primary coat work
Skill；Wherein, degreasing process is：Washed twice after degreasing agent is applied, be dried after washing, degreasing agent is in this test
The FC-315 degreasing agents that the scientific and technological (Shanghai) Co., Ltd. of handkerchief card surface treatment provides；Primary coat technique is：Carrying out at degreasing process
Aluminium foil surface after reason, applies anti-corrosion bottom, and then in 230 DEG C of drying and forming-films, epithelium amount is controlled in 95-100mg/m2, it is described resistance to
The erosion bottom chemical treatments SG-E902 chemical treatments that scientific and technological (Shanghai) Co., Ltd. provides for handkerchief card is surface-treated；
2nd, face painting is carried out to the aluminium foil by surface preparation, photocatalyst surface layer is coated；According to table 1, respectively by difference
The hydrophilic coating of component, i.e. sample 1, sample 2 and reference sample, in aluminium foil surface, 230 DEG C of drying, epithelium amount control exists roller coat
40-45mg/m2；
3rd, the film properties to experimental group and control group are evaluated；
Following parameter is mainly investigated in evaluation for film properties：It is hydrophily, pollution resistance, adherence, heat resistance, anti-corrosion
Property, antibiotic property and contaminant degradation ability；Wherein, contaminant degradation ability is the ability to pollutant Photocatalytic Degradation of Toluene；
Specific evaluation method is with reference to table 2.
The experimental group of table 1 and control group
The assessment item of table 2 and evaluation method
The film properties evaluation result of table 3
| Specimen coding | Hydrophily | Pollution resistance | Adherence | Heat resistance | Corrosion resistance | Antibiotic property | Toluene |
| Embodiment A | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| Embodiment B | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| Embodiment C | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| With reference to sample | ○ | △ | △ | △ | △ | △ | × |
Zero represents excellent performance in table 3, meets the requirements；It is general but qualified that △ represents performance；× represent it is undesirable；
As known from Table 3, embodiment A, embodiment B and embodiment C excellent performances, not only meet aluminium foil to film properties after coating
Basic demand, and the effect for decomposing toluene can be played；And common nano titanium oxide TiO2Although meeting in hydrophily
It is required that, but showed typically in pollution resistance, adherence, heat resistance, corrosion resistance and antibiotic property, and it is stupid to decompose first substantially,
Aluminium foil cannot be met to decomposing the requirement of toluene；
In above process, it is that pollutant is quantitatively coated on receiving in fact to the evaluation of pollutant Photocatalytic Degradation Property
On the treatment material tested, by after light radiation, quantitative analysis being carried out by FT-IR.
Concrete analysis step is as follows：
A. pollutant coating
Pollutant is coated with the treatment material for receiving experiment by bar applicator quantitative and even, 80 DEG C of constant temperature are placed in
Oven for drying is to constant weight；
B. visible light exposure
It is coated with entering professional etiquette under the experiment material of pollutant visible light environment disposed within and in simulated visible light lamp box
The irradiation fixed time；Wherein, irradiation intensity is 0.5mW/cm2, irradiated area is 50cm2, environment temperature is 28 DEG C, ambient humidity
It is 50%；
C. quantitative analysis
It will be seen that the experiment material after light predose carries out FT-IR analyses, the characteristic peak for pollutant carries out quantitative product
Point, calculate photodegradation rate.
Embodiment A, embodiment B, embodiment C and reference sample, respectively to decomposition toluene the results detailed in Fig. 1；
As can be known from Fig. 1, embodiment A (coating A), embodiment B (coating B) and embodiment C (coating C) are equal to decomposing toluene
There is preferably effect, but it is poor with reference to the discomposing effect of sample, it is virtually impossible to above-mentioned pollutant is effectively decomposed.
A kind of above-described embodiment, there is provided the parent with photocatalyst additive on aluminum fin-stock surface for air-conditioning heat exchanger
Water paint, the hydrophilic coating can be formed with the hydrophily epithelium for going toluene effect after drying.
A kind of second aspect according to embodiments of the present invention, there is provided application method of hydrophilic coating,
In some exemplary embodiments, the light that the hydrophilic coating contains any one of above-described embodiment is touched
Matchmaker's additive, air-conditioning aluminum fin-stock shaping before, air-conditioning aluminum fin-stock surface coat the hydrophilic coating, after drying
The surface of the air-conditioning aluminum fin-stock is formed possesses photocatalyst and hydrophilic film；Wherein, the coated weight of the hydrophilic coating
For：The milli grams per square meter of 1 milli grams per square meter -100.
Alternatively, the coated weight of the hydrophilic coating is 10mg/m2、20mg/m2、30mg/m2、40mg/m2、50mg/m2、
60mg/m2、70mg/m2、80mg/m2Or 90mg/m2.The coated weight is to ensure hydrophilic coating by aging or deterioration influence
On the premise of, maximum plays the photocatalyst performance of epithelium, so as to realize antibacterial, degreasing etc. in use in guarantee air-conditioning
Self-cleaning function.The performance of too low addition influence photocatalyst performance, the too high performance that can influence hydrophilic coating.It is such as hydrophilic
Property, corrosion resistance, heat resistance, alkali resistance and adhesive force etc..
In the present invention, the hydrophilic coating of photocatalyst additive is added, can be directly as surface treatment liquid, or dilute with water
After use, the concentration and viscosity for the treatment of fluid should be suitably adjusted, with meet operating method and regulation thickness requirement.
Preferably, thickness is 0.05-5 μm after drying, more preferably：0.1-2 μm, when thickness is less than 0.05 μm, it is difficult to
Satisfied photocatalyst and hydrophilicity is provided, when thickness is more than 5 μm, thermal conductivity and epithelium adhesive force may be reduced.
In some illustrative embodiments, the hydrophilic coating is coated on air-conditioning heat exchange as photocatalyst surface layer
The surface layer of device aluminum fin-stock.The hydrophilic coating that the embodiment of the present invention is given grinds primarily directed to coating air-conditioning heat exchanger aluminum fin-stock
Hair, therefore the constituent of the photocatalyst additive and the hydrophilic coating containing the photocatalyst additive coating
Method is both for being applied to what is provided in this environment.
In some illustrative embodiments, the hydrophilic coating is coated on air-conditioning heat exchange as photocatalyst surface layer
The surface layer of device aluminum fin-stock.
In some illustrative embodiments, the film thickness of the hydrophilic coating and the air-conditioning heat exchanger aluminum fin-stock
Aluminum foil thickness is associated.
In some optional embodiments, the more thick then described hydrophilic coating of aluminium foil of the air-conditioning heat exchanger aluminum fin-stock
Film is thicker.
In some illustrative embodiments, if the thickness of the aluminium foil of the air-conditioning heat exchanger aluminum fin-stock is 1000mm,
Thickness after the hydrophilic coating coating is 0.05-2 μm；If the thickness of the aluminium foil of the air-conditioning heat exchanger aluminum fin-stock is
3000mm, then the thickness after the hydrophilic coating coating is 0.05-5 μm；If the aluminium foil of the air-conditioning heat exchanger aluminum fin-stock
Thickness is 8000mm, then the thickness after the hydrophilic coating coating is 0.05-8 μm.The thickness of film directly affects the performance of film,
It is excessively thin that film can be caused to be difficult to provide satisfied photocatalyst conjunction hydrophily, it is blocked up to cause the reduction of film thermal conductivity, epithelium adhesive force
Difference；Outstanding catalytic performance of photocatalyst, hydrophilicity, anti-aging, anti-soil can be provided after the hydrophilic coating coating is ensured
On the premise of the performances such as dye, above-described embodiment gives the thickness of the hydrophilic coating corresponding to the aluminium foil of different series.
In some optional embodiments, before the hydrophilic coating is coated, the air-conditioning heat exchanger aluminium is additionally included in
The surface of fin is pre-processed, to improve the corrosion resistance on surface.
In some optional embodiments, the method for the pretreatment, preferably by the method for chemical conversion, is such as based on：
The chemical treatment of basic zirconium phosphate, titanium phosphate, vanadium or hybrid inorganic-organic；Preferably, by the chemical treatment of hybrid inorganic-organic,
Anti-corrosion bottom can be formed on air-conditioning heat exchanger fin surface.
In some illustrative embodiments, the film-forming temperature of the hydrophilic coating is 80-300 DEG C.
In some optional embodiments, with equipment such as heated-air circulation oven, heat radiation type baking ovens, at 80-300 DEG C to applying
Hydrophilic coating after covering is dried.Preferably, the temperature in 100-260 DEG C is dried to hydrophilic coating.
In some optional embodiments, because the hydrophilic coating is hydrophilic, thus be accordingly used in the dissolving hydrophily and apply
The solvent of material mainly has water to constitute, it is possible to use water-soluble solvent such as alcohol, alcohol ether solvents etc., it is intended to adjust rate of drying, change
The solubility of kind coating membrane stage or raising component.Further, in antirust agent, chelating agent, filler, colouring agent, defoamer etc.
Also be added in the component of hydrophilic coating for one or more, its amount ranges is not damaging main idea of the present invention and film properties
It is defined.
In some illustrative embodiments, the method for application of the hydrophilic coating includes：Dip-coating, spraying, brushing, roller
Painting, flow coat esters, electrochemical deposition and chemical deposition；It is preferred that using the roller coat in industrialization.
In some optional embodiments, in photocatalyst method of hydrophilizing, metal material surface can carry out existing
Conventional degreasing in industrialized production, carry out surface preparation；Then, photocatalyst hydrophilic coating is deposited over metal material surface
On, then heat and drying forms film.
Application method when above-described embodiment provides hydrophilic coating for air-conditioning aluminum fin-stock, provides the aluminium foil of different-thickness
Corresponding coating thickness.
It should be appreciated that the invention is not limited in the flow and structure that are described above and be shown in the drawings,
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim
System.
Claims (8)
1. a kind of photocatalyst additive, for hydrophilic coating, it is characterised in that the photocatalyst additive is doped with cobalt
The nano titanium oxide TiO of Co, iron Fe, nitrogen N and sulphur S2。
2. photocatalyst additive as claimed in claim 1, it is characterised in that the weight portion composition of the photocatalyst additive is such as
Under：Co is 0.01%-10%；Fe is 0.01%-10%；N is 0.01%-10%；S is 0.01%-10%；Balance of nanometer
TiO2。
3. photocatalyst additive as claimed in claim 2, it is characterised in that the nano-TiO2Also doped with vanadium V and carbon C
At least one element.
4. photocatalyst additive as claimed in claim 3, it is characterised in that described V, C are in the photocatalyst additive
Weight portion composition is as follows：V is 0-10%；C is 0-10%.
5. photocatalyst additive as claimed in claim 4, it is characterised in that the weight portion composition of the photocatalyst additive is such as
Under：
Co is 0.08%；Fe is 6%；N is 0.6%；S is 1%；C is 3%；Balance of nano-TiO2。
6. a kind of application method of hydrophilic coating, it is characterised in that the hydrophilic coating contains such as claim 1 to 5 times
Photocatalyst additive described in one, before the shaping of air-conditioning aluminum fin-stock, in the hydrophily that the surface of air-conditioning aluminum fin-stock coats
Coating, forms on the surface of the air-conditioning aluminum fin-stock after drying and possesses photocatalyst and hydrophilic film；Wherein, it is described hydrophilic
The coated weight of property coating is：The milli grams per square meter of 1 milli grams per square meter -100.
7. application method as claimed in claim 6, it is characterised in that the thickness of the film and the air-conditioning heat exchanger aluminum fin-stock
Aluminum foil thickness be associated.
8. application method as claimed in claim 6, it is characterised in that the temperature of the drying film forming is 80 DEG C -300 DEG C.
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Citations (2)
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| CN103143372A (en) * | 2013-03-20 | 2013-06-12 | 郑州大学 | Preparation method for iron, cobalt and nitrogen co-doped modified TiO2/SO42-visible light photocatalyst |
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|---|---|---|---|---|
| CN103143372A (en) * | 2013-03-20 | 2013-06-12 | 郑州大学 | Preparation method for iron, cobalt and nitrogen co-doped modified TiO2/SO42-visible light photocatalyst |
| CN105176156A (en) * | 2015-09-17 | 2015-12-23 | 苏州智见新材料技术有限公司 | Nano antifogging paint composition and preparation method thereof |
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