CN105255276A - Salt and alkali corrosion resisting coating special for electric power industry - Google Patents
Salt and alkali corrosion resisting coating special for electric power industry Download PDFInfo
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- CN105255276A CN105255276A CN201510778821.2A CN201510778821A CN105255276A CN 105255276 A CN105255276 A CN 105255276A CN 201510778821 A CN201510778821 A CN 201510778821A CN 105255276 A CN105255276 A CN 105255276A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000000576 coating method Methods 0.000 title claims abstract description 40
- 150000003839 salts Chemical class 0.000 title claims description 13
- 239000003513 alkali Substances 0.000 title claims description 9
- 238000005260 corrosion Methods 0.000 title description 3
- 230000007797 corrosion Effects 0.000 title description 3
- 239000012212 insulator Substances 0.000 claims abstract description 15
- 230000001699 photocatalysis Effects 0.000 claims abstract description 8
- 229910021536 Zeolite Inorganic materials 0.000 claims description 45
- 239000010457 zeolite Substances 0.000 claims description 45
- 239000002105 nanoparticle Substances 0.000 claims description 32
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 24
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 13
- 239000010936 titanium Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 238000002525 ultrasonication Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 239000002345 surface coating layer Substances 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 abstract 2
- 238000007710 freezing Methods 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000010931 gold Substances 0.000 description 39
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 9
- 229910052737 gold Inorganic materials 0.000 description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- 230000003075 superhydrophobic effect Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 fluorinated acrylic ester Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- INJVFBCDVXYHGQ-UHFFFAOYSA-N n'-(3-triethoxysilylpropyl)ethane-1,2-diamine Chemical compound CCO[Si](OCC)(OCC)CCCNCCN INJVFBCDVXYHGQ-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention provides a high-voltage composite insulator for solving the problems that in the prior art, the anti-freezing capacity is inadequate, and the anti-scale-depositing capacity rapidly disappears as time goes by. The insulator is composed of a ceramic substrate, a thermistor material layer and a photocatalytic nano-material layer. The insulator has the better anti-freezing property and anti-scale-depositing property. According to the surface coating layer, a coating is firmly adhered to a body and is not prone to being disengaged, the thermistor material layer generates heat through weak leakage currents under the sleet weather, and therefore ice coating is prevented from occurring on the surface of the insulator.
Description
Technical field
The present invention relates to coating that a kind of power industry uses and preparation method thereof, especially a kind of be applicable to high salinity environment under the power industry tailor-(made) coating that uses and preparation method thereof.
Background technology
Along with the fast development of China's industry, the pollution level in many areas is more and more higher, and problem of environmental pollution becomes increasingly conspicuous, and result in power equipment savings pollutent speed goes fast, very easily causes the pollution flashover accident of power equipment.In coastal comparatively developed regions, the pollution flashover problem of power equipment is more serious, on the one hand because the economy of coastland is comparatively flourishing, pollutes comparatively serious; Also be because the air salinity of coastland is more on the other hand, even more serious to the salt erosion of equipment.Therefore strengthen the supervision of coastland power equipment, the power equipment that exploitation is applicable to coastland environmental quality is necessary.
In the area that saline alkali corrosion is more serious, saline and alkaline in air descends slowly and lightly on the power equipment exposed with dust, along with coming of rainwater, power equipment surface forms ionic compound, causes insulator surface Leakage Current to increase, produce heat and dry part pollution layer, be called dry district or dry band by the part of drying, applied voltage will concentrate on dry bringing, often only several centimetres wide, dry band, therefore strength of electric field is very high, easily causes the dry edge flashing brought.Be in series with the pollution layer resistance of not drying at the dry resistance occurred of bringing.If series resistance is enough low, leakage current is enough large, and electric discharge will be transformed into electric arc.Arc energy sustained combustion and progressively developing, finally causes the complete flashover of two interpolars.
Employing surface-coated super hydrophobic material is the important method of current enhancing power equipment self-cleaning performance, and it is theoretical and preparation method is fairly perfect.Two necessary factors that super hydrophobic surface is formed: surface chemistries has certain hydrophobicity; Body structure surface has multiple roughness.Surface can present the micro-structure surface of micro-nano compound after physics, chemical process process, can ensure that solid-liquid contact area accounts for the ratio of the shadow area of its kiss the earth so minimum, also just be conducive to forming hydrophobic surface.
CN1136060A discloses a kind of antifouling flush paint in high-tension power transmission and transformation equipment on porcelain vase.This coating is with the polyvinylidene fluoride resin of Union carbide A-162 modification for filmogen, and with N-(β-aminoethyl)-γ-aminopropyl triethoxysilane for reactive thinner, two components fully mix and form.The coating with active group when ambient cure and the stable chemical bond that formed of porcelain vase glaze paint make coating interface obtain excellent ageing-resistant performance, and coatingsurface has good self-cleaning and recoatability.
CN102503170A discloses a kind of super-hydrophobic coating for insulator anti-ice-flashing, also discloses a kind of ice flashover resistant insulator and preparation method thereof simultaneously.The described super-hydrophobic coating for insulator anti-ice-flashing is by the SiO being arranged on outer surface of insulator
2rete and be arranged on described SiO
2organic fluorocompound rete on rete is formed, and this super-hydrophobic coating has lotus-like super-hydrophobic performance.The structure of the simulation of the super-hydrophobic coating for insulator anti-ice-flashing lotus leaf surface provided by the invention, SiO
2rete has micro nano structure, and the surface energy of organic fluorocompound rete is low, is equivalent to the wax-like nitride layer of lotus leaf surface.
Although insulator coating or the surface modification automatically cleaning problem solving insulator surface all in various degree, its Salt And Alkali Tolerance performance is not all strengthened especially, and the performance under high salinity environment also has not enough.
Summary of the invention
Easily being corroded to solve insulator surface under high salinity environment, being easy to occur to dodge dirty problem, the invention provides a kind of power industry tailor-(made) coating of Salt And Alkali Tolerance, in described coating, include Au/Y/TiO
2zeolite nano-particle and organic-silicon-modified fluoro-resin.Present invention applicant is through selecting and testing repeatedly, the surface coating layer worked out is coating and body adhere well not only, difficult drop-off, and thermistor material layer utilizes faint Leakage Current to produce heat under sleety weather, thus decrease at power equipment surface adsorption dirt, cause power equipment generation pollution flashover.
Technical scheme of the present invention is as follows:
A kind of Salt And Alkali Tolerance power equipment tailor-(made) coating, includes Au/Y/TiO in described coating
2zeolite nano-particle and organic-silicon-modified fluoro-resin, wherein Au/Y/TiO
2the consumption of zeolite nano-particle is 0.5-1.0wt%, and the consumption of organic-silicon-modified fluoro-resin is 5-20wt%.
Described Au/Y/TiO
2the preparation method of zeolite nano-particle, comprises the following steps: regulate HAuCl
4the pH value of the aqueous solution, to 5.5-6.5, adds Y zeolite nano particle, absorption 24-36h, and at 300-600 DEG C after drying, under inert gas atmosphere, gas calcining 5-12h, obtains Au/Y zeolite; Using tetrabutyl titanate as titanium source, and be silicon source with silica gel, and add titanium source according to Ti/Si=0.2 ~ 0.5, add Au/Y zeolite, the mass ratio of Au/Y zeolite and silica gel is 0.05-0.5, and continues to stir 5-10h, regulates mixing solutions pH value to be 10-11; Moved in water-bath by gained colloid, crystallization 24-36h at 80-120 DEG C, product is after deionized water wash, vacuum pump suction filtration, and dry 12-36h at 100-110 DEG C, namely obtains Au/Y/TiO in an oven
2zeolite nano-particle product.
The preparation method of described Salt And Alkali Tolerance power equipment coating, comprises the steps: Au/Y/TiO
2zeolite nano-particle joins in solvent and uses ultrasonication 1-2h, and grinding dispersion is even; Then silane coupling agent and Au/Y/TiO is pressed
2zeolite nano-particle mass ratio is add silane coupling agent at 1: 1 ~ 3: 1, is 3-4, reacts under water-bath with salt acid for adjusting pH value; Finally press fluoro-resin and Au/Y/TiO
2zeolite nano-particle mass ratio is add fluoro-resin at 5: 1 ~ 10: 1, continues reaction, obtains product.Fluoro-resin is one or more in fluorine richness polyacrylic resin, tetrafluoroethylene.
The character of molecular sieve depends on silica alumina ratio, acidic site ratio, strength of acid, specific surface area, pore structure etc. usually.Y zeolite due to high aluminium content can stop gold particle to sinter, and provides a more hydrophilic environment for golden species, therefore has active relatively preferably.The selection of usual preparation condition is comparatively large to the characteristics influence of catalyzer, and for the reaction of Au/Y CO catalytic oxidation, the catalyst activity surface limited of high ph-values, high density and low-temperature growth, causes gold particle larger; More golden species can be made to enter into sodalite cage for the condition of low ph value, lower concentration but CO can not enter, and low ph value also makes the content of chlorine increase; Churning time is oversize, causes gold particle to run off, and this all makes catalyst activity reduce.The catalyzer prepared needs to do thermal treatment usually under atmosphere surrounding, and in airflow, the gold of sintering can be split into less particle by the catalyzer of calcination process; The present inventor find through above method and in He the catalyzer of high-temperature heat treatment active in dry conditions better but water resisting property is bad, if by catalyzer thermal treatment in the He of water vapor, then improve water resisting property.
The present invention utilizes nanometer gold to have the Photocatalytic Oxidation Performance of efficient organism low-temperature oxidation performance and titanium dioxide, prepare the coating with catalytic decomposition organism and certain anti-microbial property, the fluorescence probe be adsorbed on power equipment can be resolved into carbonic acid gas and water, stop it to be bonded in power equipment surface, thus reach the self-cleaning object of power equipment.But because nm gold particles is easy to agglomeration, therefore more difficult gold is used for catalyzed reaction, on the Y zeolite that nanometer gold being absorbed and fixed at of the invention has caged microvoid structure, be aided with the acidic site active centre of active molecular sieve simultaneously, further enhancing its catalytic capability, adding of titanium oxide then can stabilized nanoscale gold particulate further, and improve the electronics releasability of catalyzer, intensified response is active.
Described coating also comprises solubility promoter as acetone, toluene, Virahol; Solidifying agent is as methyl methacrylate, polystyrene, fluorinated acrylic ester; And the common paint additive in this area is as sterilant, defoamer etc., described defoamer is nonionogenic tenside, preferably betaine type amphoteric surfactant.With the quality of nano particle for benchmark, the add-on of solubility promoter is 10-20 part, and the add-on of solidifying agent is 1-5 part, and the add-on of sterilant is 0.1-0.5 part, and the add-on of defoamer is 0.1-0.5 part.
Described photocatalytic nanometer layer can adopt the mode film forming of coating, and it comprises the following steps: prepare photocatalytic nanometer coating; Insulator is preheating to 100-150 DEG C; Apply described photocatalytic nanometer coating, then according to the heat-up rate of 5-10 DEG C/min, be warmed up to 200-300 DEG C, and maintain 5-10h, then drop to normal temperature according to the cooling rate of 10-20 DEG C/min.
The thickness of described coating is 100-500 micron, is preferably 200-300 micron.
Embodiment
Be described in detail below in conjunction with the technical scheme of specific embodiment to invention.
Embodiment 1
Au/Y/TiO
2the preparation of zeolite nano-particle:
Regulate HAuCl
4the pH value of the aqueous solution, to 5.5, adds Y zeolite nano particle, absorption 24h, and at 350 DEG C after drying, under inert gas atmosphere, gas calcining 10h, obtains Au/Y zeolite; Using tetrabutyl titanate as titanium source, and be silicon source with silica gel, and add titanium source according to Ti/Si=0.3, add Au/Y zeolite, the mass ratio of Au/Y zeolite and silica gel is 0.1, and continues to stir 5h, regulates mixing solutions pH value to be 10; Moved in water-bath by gained colloid, crystallization 24h at 100 DEG C, product is after deionized water wash, vacuum pump suction filtration, and dry 12h at 100 DEG C, namely obtains Au/Y/TiO in an oven
2zeolite nano-particle product.
The preparation of Salt And Alkali Tolerance power equipment coating,
Au/Y/TiO
2zeolite nano-particle joins in solvent and uses ultrasonication 1h, and grinding dispersion is even; Then silane coupling agent and Au/Y/TiO is pressed
2zeolite nano-particle mass ratio is add silane coupling agent at 1: 1, is 3, reacts under water-bath with salt acid for adjusting pH value; Finally press fluoro-resin and Au/Y/TiO
2zeolite nano-particle mass ratio is add fluoro-resin at 5: 1, continues reaction; With Au/Y/TiO
2zeolite nano-particle quality is benchmark, adds the Virahol of 10 mass parts, then adds the nonionogenic tenside of 0.5 mass parts, the methyl methacrylate of 2 mass parts, and the sterilant of 0.2 mass parts, obtains coating.
Embodiment 2
Au/Y/TiO
2the preparation of zeolite nano-particle:
Regulate HAuCl
4the pH value of the aqueous solution, to 6.5, adds Y zeolite nano particle, and absorption 36h, at 550 DEG C after drying, calcines 6h under nitrogen protection, obtain Au/Y zeolite; Using tetrabutyl titanate as titanium source, and be silicon source with silica gel, and add titanium source according to Ti/Si=0.5, add Au/Y zeolite, the mass ratio of Au/Y zeolite and silica gel is 0.1, and continues to stir 5h, regulates mixing solutions pH value to be 11; Moved in water-bath by gained colloid, crystallization 36h at 110 DEG C, product is after deionized water wash, vacuum pump suction filtration, and dry 12h at 105 DEG C, namely obtains Au/Y/TiO in an oven
2zeolite nano-particle product.
The preparation of Salt And Alkali Tolerance power equipment coating,
Au/Y/TiO
2zeolite nano-particle joins in solvent and uses ultrasonication 1h, and grinding dispersion is even; Then silane coupling agent and Au/Y/TiO is pressed
2zeolite nano-particle mass ratio is add silane coupling agent at 3: 1, is 3.5, reacts under water-bath with salt acid for adjusting pH value; Finally press fluoro-resin and Au/Y/TiO
2zeolite nano-particle mass ratio is add fluoro-resin at 9: 1, continues reaction; With Au/Y/TiO
2zeolite nano-particle quality is benchmark, adds the Virahol of 20 mass parts, then adds the nonionogenic tenside of 0.5 mass parts, the methyl methacrylate of 5 mass parts, and the sterilant of 0.1 mass parts, obtains coating.
The present invention can summarize with other the specific form without prejudice to spirit of the present invention or principal character.All embodiments of the present invention all can only be thought explanation of the present invention instead of restriction, every any trickle amendment done by technology contents of the present invention or equivalently to replace, and all belong within technical scheme of the present invention.
Claims (5)
1. a Salt And Alkali Tolerance power equipment tailor-(made) coating, includes Au/Y/TiO in described coating
2zeolite nano-particle and organic-silicon-modified fluoro-resin, wherein Au/Y/TiO
2the consumption of zeolite nano-particle is 0.5-1.0wt%, and the consumption of fluoro-resin is 5-20wt%.
2. coating as claimed in claim 1, is characterized in that described Au/Y/TiO
2the preparation method of zeolite nano-particle comprises the following steps: regulate HAuCl
4the pH value of the aqueous solution, to 5.5-6.5, adds Y zeolite nano particle, absorption 24-36h, and at 300-600 DEG C after drying, under inert gas atmosphere, gas calcining 5-12h, obtains Au/Y zeolite; Using tetrabutyl titanate as titanium source, and be silicon source with silica gel, and add titanium source according to Ti/Si=0.2 ~ 0.5, add Au/Y zeolite, the mass ratio of Au/Y zeolite and silica gel is 0.05-0.5, and continues to stir 5-10h, regulates mixing solutions pH value to be 10-11; Moved in water-bath by gained colloid, crystallization 24-36h at 80-120 DEG C, product is after deionized water wash, vacuum pump suction filtration, and dry 12-36h at 100-110 DEG C, namely obtains Au/Y/TiO in an oven
2zeolite nano-particle product.
3. the preparation method of coating as claimed in claim 1, comprises the steps: Au/Y/TiO
2zeolite nano-particle joins in solvent and uses ultrasonication 1-2h, and grinding dispersion is even; Then silane coupling agent and Au/Y/TiO is pressed
2zeolite nano-particle mass ratio is add silane coupling agent at 1: 1 ~ 3: 1, is 3-4, reacts under water-bath with salt acid for adjusting pH value; Finally press fluoro-resin and Au/Y/TiO
2zeolite nano-particle mass ratio is add fluoro-resin at 5: 1 ~ 10: 1, continues reaction, obtains product.
4. coating as claimed in claim 1, it is characterized in that described photocatalytic nanometer layer can adopt the mode film forming of coating, it comprises the following steps: prepare photocatalytic nanometer coating; Insulator is preheating to 100-150 DEG C; Apply described photocatalytic nanometer coating, then according to the heat-up rate of 5-10 DEG C/min, be warmed up to 200-300 DEG C, and maintain 5-10h, then drop to normal temperature according to the cooling rate of 10-20 DEG C/min.
5. coating as claimed in claim 1, is characterized in that the thickness of described coating is 100-500 micron, is preferably 200-300 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778821.2A CN105255276B (en) | 2015-11-13 | 2015-11-13 | A kind of power industry special coating of saline-alkaline corrosion-resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JPH04281846A (en) * | 1991-03-11 | 1992-10-07 | Agency Of Ind Science & Technol | Gold catalyst for removal of nitrogen oxide and method for removing nitrogen oxide |
| EP1570895A2 (en) * | 2004-03-05 | 2005-09-07 | Delphi Technologies, Inc. | Exhaust gas treatment system and catalyst system |
| CN101356004A (en) * | 2005-11-14 | 2009-01-28 | 新加坡科技研究局 | Highly dispersed metal catalysts |
| CN103614044A (en) * | 2013-11-21 | 2014-03-05 | 浙江大学 | Preparation method of anti-pollution flashover self-cleaning paint for glass insulator |
| CN104134499A (en) * | 2014-08-05 | 2014-11-05 | 国家电网公司 | High-voltage composite insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04281846A (en) * | 1991-03-11 | 1992-10-07 | Agency Of Ind Science & Technol | Gold catalyst for removal of nitrogen oxide and method for removing nitrogen oxide |
| EP1570895A2 (en) * | 2004-03-05 | 2005-09-07 | Delphi Technologies, Inc. | Exhaust gas treatment system and catalyst system |
| CN101356004A (en) * | 2005-11-14 | 2009-01-28 | 新加坡科技研究局 | Highly dispersed metal catalysts |
| CN103614044A (en) * | 2013-11-21 | 2014-03-05 | 浙江大学 | Preparation method of anti-pollution flashover self-cleaning paint for glass insulator |
| CN104134499A (en) * | 2014-08-05 | 2014-11-05 | 国家电网公司 | High-voltage composite insulator |
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