CN105732125B - A kind of porcelain and glass insulator low-temperature resistance coating - Google Patents
A kind of porcelain and glass insulator low-temperature resistance coating Download PDFInfo
- Publication number
- CN105732125B CN105732125B CN201610090380.1A CN201610090380A CN105732125B CN 105732125 B CN105732125 B CN 105732125B CN 201610090380 A CN201610090380 A CN 201610090380A CN 105732125 B CN105732125 B CN 105732125B
- Authority
- CN
- China
- Prior art keywords
- film layer
- insulator
- graphite
- coating
- solution
- 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.)
- Active
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 67
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 238000000576 coating method Methods 0.000 title claims abstract description 56
- 239000011521 glass Substances 0.000 title claims abstract description 18
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000002360 preparation method Methods 0.000 claims abstract description 45
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 38
- 239000010439 graphite Substances 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 29
- -1 difluoro heptyl propyl Chemical group 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 13
- 229920002313 fluoropolymer Polymers 0.000 claims description 12
- 239000004811 fluoropolymer Substances 0.000 claims description 12
- 210000000056 organ Anatomy 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- HAGZZKFZSAMMFD-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-henicosafluorodecyl prop-2-enoate Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)OC(=O)C=C HAGZZKFZSAMMFD-UHFFFAOYSA-N 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical class CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000007781 pre-processing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 230000002209 hydrophobic effect Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 24
- 230000003075 superhydrophobic effect Effects 0.000 description 17
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 11
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 235000019441 ethanol Nutrition 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 235000015110 jellies Nutrition 0.000 description 3
- 239000008274 jelly Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-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
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/38—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal at least one coating being a coating of an organic material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2069—Self-cleaning materials, e.g. using lotus effect
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Insulating Bodies (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The invention discloses a kind of porcelain and glass insulator low-temperature resistance coating, including it is arranged on the Si0 of outer surface of insulator2Film layer and it is arranged on the Si02Organic fluorocompound film layer in film layer is formed, and C Si0 are set outside the organic fluorocompound film layer2Graphite film layer.Preparation method, comprise the following steps：Si0 is coated on the outer surface of insulator body2Film layer, organic fluorocompound film layer, coated graphite and Si0 are coated in film layer2Film layer.Become from double-layer structure and turn to three-decker, quickly rolled off after 0 DEG C of droplets impact coating surface, coating surface remains without any water droplet, the experimentation can continue 150 minutes or so, illustrate that the coating maintains good hydrophobic performance in low temperature, it restrained effectively sleet in coating surface to freeze, the coating has antifrost, anti-sleet, automatical cleaning ability.
Description
Technical field
The invention belongs to insulator surface coating technology field, more particularly to a kind of porcelain applies with glass insulator low-temperature resistance
Layer.
Background technology
China be in the world transmission line of electricity by one of country of icing disaster most serious.Cold winter, it is northern
Heavy snow and it is middle southern 3~o DEG C when rain and snow mixed weather easily lead to circuit suspension insulator accumulated snow icing, in turn result in
Power outage occurs for insulator short circuit tripping operation.Since having transmission line of electricity ice damage accident record from 1954, there occurs the whole nation in succession
In the range of large area ice damage accident.
After temperature rise ice-melt phenomenon can occur for the icing of insulator surface, due to exist in the dirt of ice sheet it is conductive from
Son, in the presence of these conductive ions, the surface of insulator will form conductive moisture film, make insulator that ice occur and dodge.For exhausted
The research of the anti-ice-flashing key technology of edge and aluminum conductor of transmitting electricity is with great economy, realistic meaning.What anti-ice-flashing used
Chemical method is mainly in insulator surface coating sulphurated siliastic (PRTV), but effects of the PRTV in terms of icing is delayed is simultaneously
Unobvious, and coat PRTV insulator icing flashover voltage it is lower than uncoated PRTV, therefore on the insulator coat PRTV with
Anti-ice-flashing effect is unsatisfactory.
The preparation of super hydrophobic surface is had been completed from initial some plant leaf surfaces or animal elder brother with superhydrophobic property
The bionic research of the organism special construction such as worm back is changed into super hydrophobic surface functionalization, the research of application.Super-hydrophobic table
Two necessary factors that face is formed：(1) surface chemistries have certain hydrophobicity；(2) there is the structure of multiple roughness
Surface.Patent both at home and abroad existing at present is mostly based on metallic substrates on hydrophobic, super-hydrophobic coat research, such as passes through chemistry
It is etched in copper, iron, aluminium, zinc, stainless steel surfaces and prepares micro-structure surface, superhydrophobic property is presented after fluorination treatment.These methods
Need to expend substantial amounts of acid-base solution in implementation process, and the solution for having dissolved metal ion is difficult to reuse, waste liquid
Processing can cause further environmental pollution again.The patent of Application No. 201110318624.4, it is entitled《For insulator
The super-hydrophobic coating of anti-ice-flashing, ice flashover resistant insulator and preparation method thereof》, Publication No. CN 102503170A, its technical side
Case is mainly a kind of super-hydrophobic coating for insulator anti-ice-flashing, and the super-hydrophobic coating is by being arranged on insulator appearance
The Si0 in face2, film layer and it is arranged on the Si02, the organic fluorocompound film layer in film layer forms, and the super-hydrophobic coating has
Lotus-like super-hydrophobic performance.But the ratio of the composition can not be brought as the patent application document in the production process of reality
Described technique effect, quickly roll off after 0 DEG C of droplets impact coating surface, the substantially anhydrous drop residual of coating surface, the experiment
Process can continue 20 minutes or so, illustrate that the coating maintains good hydrophobic performance in low temperature, restrained effectively jelly
Rain freezes coating surface, and the coating has antifrost, anti-sleet, automatical cleaning ability, in the anti-flashover of high voltage power transmission, prevents sticking
Field has broad application prospects, available for insulator anti-ice-flashing.
The content of the invention
More prominent it is an object of the invention to provide the more reasonable, effect of one kind formula and actual operability is more
Strong porcelain and glass insulator low-temperature resistance coating.
In order to realize the above object the technical solution adopted in the present invention is：A kind of porcelain applies with glass insulator low-temperature resistance
Layer, including it is arranged on the Si0 of outer surface of insulator2Film layer and it is arranged on the Si02Organic fluorocompound film layer in film layer is formed,
C-Si0 is set outside the organic fluorocompound film layer2Graphite film layer, the Si02Film layer is by Si02Film layer preparation solution is made, described
Si02Film layer preparation solution is by Si02Colloidal sol and Si02Powder forms, Si02Si0 in colloidal sol2Molal quantity and Si02Si0 in powder2's
The ratio between molal quantity is (3~3.15)：1；The organic fluorocompound film layer is made up of organic fluorocompound film layer preparation solution, described fluorine-containing
Organic matter film layer preparation solution is unimolecule organ of luorosilane solution or fluoropolymer solutions；The C-Si02Graphite film layer is stone
Ink and Si02Mixed coating.
The organic fluorocompound film layer is made up of organic fluorocompound film layer preparation solution, the organic fluorocompound film layer preparation solution
It is dense for unimolecule organ of luorosilane solution or fluoropolymer solutions, the percent by volume of the unimolecule organ of luorosilane solution
Spend for 2~3.5%, solvent is any of isopropanol, butanol and ethanol, and solute is ten difluoro heptyl propyl trimethoxy silicon
Alkane or ten trifluoro octyl group trimethoxy silanes；The concentration of volume percent of the fluoropolymer solutions is 0.25~5%, solvent
For N methyl pyrrolidones or N, N dimethyl acetamide, solute is poly- perfluoro decyl acrylate or polytetrafluoroethylene (PTFE).
The C-Si02Graphite film layer is graphite and Si02Mixed coating, the graphite particle yardstick are 5~15nm, Si02
Particle scale be 3~6nm, graphite and Si02Mass ratio be 1：(5~5.5).
The preparation method of described porcelain and glass insulator low-temperature resistance coating, comprises the following steps：
A. Si0 is coated on the outer surface of insulator body2Film layer, surface preparation is carried out to insulator body first,
Surface pre-treatment step is followed successively by：Washing, alcohol are washed, 480 DEG C of high-temperature roastings；In the outer of the insulator body Jing Guo surface preparation
Surface coats Si02Film layer preparation solution, is dried at room temperature afterwards, is then placed in Muffle furnace and is calcined 6 hours in 450 DEG C, is being insulated
Coating obtains Si0 on the outer surface of sub- body2Film layer；
B. it is coated with Si0 in outer surface2The Si0 of the insulator body of film layer2, organic fluorocompound film layer system is coated in film layer
Standby liquid, after through spontaneously drying；
C. by the insulator surface coated graphite and Si0 after natural drying2Mixture, be put into cold isostatic press with 250~
Lower 4 hours of 300Mpa pressure, after surface mixture comes off naturally, it is then placed in vacuum drying oven and is heat-treated 4 hours in 400 DEG C,
Ice flashover resistant insulator is made.
A kind of porcelain of the present invention and glass insulator low-temperature resistance coating, including it is arranged on the Si0 of outer surface of insulator2Film layer and
It is arranged on the Si02Organic fluorocompound film layer in film layer is formed, and C-Si0 is set outside the organic fluorocompound film layer2Graphite film
Layer.Become from double-layer structure and turn to three-decker, be arranged on Si02The surface energy of organic fluorocompound film layer in film layer is low, equivalent to
The wax-like nitride layer of lotus leaf surface.At room temperature, the static contact angle of coating provided by the invention is more than l60 degree, contact angle hysteresis
I.e. the difference of advancing contact angle and receding contact angle is 20 or so, illustrates that the coating has good ultra-hydrophobicity.And fluorine-containing have
Machine thing film layer has good anti-adhesion ability, and is attached to the floating ash of insulator surface because super-hydrophobic coating is from clearly
Rolling raindrop after clean performance is easily knocked carry, so as to improve insulator from protective capacities.In addition, hit drop with
Substantial amounts of air is captured between super-hydrophobic coating can effectively suppress heat exchange between super-hydrophobic coating surface and raindrop, and
Millimetre-sized shock raindrop and the time of contact on super-hydrophobic coating surface are less than 20ms, due to raindrop and super-hydrophobic coating table
The gas-liquid interface formed between face can store part raindrop kinetic energy, so as to cause maximum after raindrop impingemest insulator surface to sprawl face
Product reduces.Factors above all determines that the insulator with super-hydrophobic coating can effectively suppress or prevent the formation of ice crystal.
Most importantly outermost C-Si02Graphite film layer is graphite and Si02Mixed coating, the graphite particle yardstick be 5~
15nm, Si02Particle scale be 3~6nm, graphite and Si02Mass ratio be 1：(5~5.5), make in its cold isostatic press
With rear, after coming off naturally, by the process of surface treatment such as drying, very outstanding technology effect is finally obtained with reference to first two layers
Fruit.Quickly rolled off after being embodied in 0 DEG C of droplets impact coating surface, coating surface is remained without any water droplet, and this was tested
Journey can continue 150 minutes or so, illustrate that the coating maintains good hydrophobic performance in low temperature, restrained effectively sleet
In freezing for coating surface, the coating has antifrost, anti-sleet, automatical cleaning ability, in the anti-flashover of high voltage power transmission, prevents sticking neck
Domain has broad application prospects, available for insulator anti-ice-flashing.
Embodiment
Embodiment one
A kind of porcelain and glass insulator low-temperature resistance coating, including it is arranged on the Si0 of outer surface of insulator2Film layer and it is arranged on
The Si02Organic fluorocompound film layer in film layer is formed, and C-Si0 is set outside the organic fluorocompound film layer2Graphite film layer.It is described
Si02Film layer is by Si02Film layer preparation solution is made, the Si02Film layer preparation solution is by Si02Colloidal sol and Si02Powder forms, Si02It is molten
Si0 in glue2Molal quantity and Si02Si0 in powder2The ratio between molal quantity be 3.15：1.
Wherein, the Si02Colloidal sol is acidic silicasol, and its preparation method is：Absolute ethyl alcohol and tetraethyl orthosilicate are added
Into reaction vessel, then the reaction vessel is placed into cold bath, stirring mixes absolute ethyl alcohol and tetraethyl orthosilicate
Into homogeneous phase solution, reaction solution A is obtained, deionized water is instilled in reaction solution A afterwards, obtains reaction solution B, adjusts reaction solution B's with nitric acid
PH value heats the reaction vessel to 70 DEG C, back flow reaction 5 hours, is cooled to room temperature, aged 55 hours, obtains sour afterwards to 2
Property Ludox；The volume ratio of wherein absolute ethyl alcohol, tetraethyl orthosilicate and deionized water is：Absolute ethyl alcohol：Tetraethyl orthosilicate：Go from
Sub- water=2：2：3.The Si02Si0 in colloidal sol2Particle scale be 3nm.The Si02Si0 in powder2Particle scale be
20nm。
The organic fluorocompound film layer is made up of organic fluorocompound film layer preparation solution, the organic fluorocompound film layer preparation solution
For unimolecule organ of luorosilane solution or fluoropolymer solutions.The percent by volume of the unimolecule organ of luorosilane solution is dense
Spend for 3.5%, solvent is any of isopropanol, butanol and ethanol, and solute is ten difluoro heptyl propyl trimethoxy silicanes
Or ten trifluoro octyl group trimethoxy silane；The concentration of volume percent of the fluoropolymer solutions is 0.5%, and solvent is N first
Base pyrrolidones or N, N dimethyl acetamide, solute are poly- perfluoro decyl acrylate or polytetrafluoroethylene (PTFE).
The C-Si02Graphite film layer is graphite and Si02Mixed coating, the graphite particle yardstick are 15nm, Si02
Grain yardstick be 5nm, graphite and Si02Mass ratio be 1：(5~5.5).
The preparation method of a kind of porcelain and glass insulator low-temperature resistance coating, comprises the following steps：
A. Si0 is coated on the outer surface of insulator body2Film layer, surface preparation is carried out to insulator body first,
Surface pre-treatment step is followed successively by：Washing, alcohol are washed, 480 DEG C of high-temperature roastings；In the outer of the insulator body Jing Guo surface preparation
Surface coats Si02Film layer preparation solution, is dried at room temperature afterwards, is then placed in Muffle furnace and is calcined 6 hours in 450 DEG C, is being insulated
Coating obtains Si0 on the outer surface of sub- body2Film layer；
B. it is coated with Si0 in outer surface2The Si0 of the insulator body of film layer2, organic fluorocompound film layer system is coated in film layer
Standby liquid, after through spontaneously drying；
C. by the insulator surface coated graphite and Si0 after natural drying2Mixture, be put into cold isostatic press with 250~
Lower 4 hours of 300Mpa pressure, after surface mixture comes off naturally, it is then placed in vacuum drying oven and is heat-treated 4 hours in 400 DEG C,
Ice flashover resistant insulator is made.
The insulator that the processing means of embodiment one obtain, the climate characteristic 110 hours according to sleet day is imitated, without any ice
Bits residual.
Embodiment two
A kind of porcelain and glass insulator low-temperature resistance coating, including it is arranged on the Si0 of outer surface of insulator2Film layer and it is arranged on
The Si02Organic fluorocompound film layer in film layer is formed, and C-Si0 is set outside the organic fluorocompound film layer2Graphite film layer.It is described
Si02Film layer is by Si02Film layer preparation solution is made, the Si02Film layer preparation solution is by Si02Colloidal sol and Si02Powder forms, Si02It is molten
Si0 in glue2Molal quantity and Si02Si0 in powder2The ratio between molal quantity be 3：1.
Wherein, the Si02Colloidal sol is acidic silicasol, and its preparation method is：Absolute ethyl alcohol and tetraethyl orthosilicate are added
Into reaction vessel, then the reaction vessel is placed into cold bath, stirring mixes absolute ethyl alcohol and tetraethyl orthosilicate
Into homogeneous phase solution, reaction solution A is obtained, deionized water is instilled in reaction solution A afterwards, obtains reaction solution B, adjusts reaction solution B's with nitric acid
PH value heats the reaction vessel to 70 DEG C to l afterwards, back flow reaction 3~6 hours, is cooled to room temperature, aged 50 hours,
Obtain acidic silicasol；The volume ratio of wherein absolute ethyl alcohol, tetraethyl orthosilicate and deionized water is：Absolute ethyl alcohol：Tetraethyl orthosilicate：
Deionized water=(2~5)：2：(1~3).The Si02Si0 in colloidal sol2Particle scale be 2nm.The Si02Si0 in powder2
Particle scale be 22nm.
The organic fluorocompound film layer is made up of organic fluorocompound film layer preparation solution, the organic fluorocompound film layer preparation solution
For unimolecule organ of luorosilane solution or fluoropolymer solutions.The percent by volume of the unimolecule organ of luorosilane solution is dense
Spend for 2~3.5%, solvent is any of isopropanol, butanol and ethanol, and solute is ten difluoro heptyl propyl trimethoxy silicon
Alkane or ten trifluoro octyl group trimethoxy silanes；The concentration of volume percent of the fluoropolymer solutions is 0.25~5%, solvent
For N methyl pyrrolidones or N, N dimethyl acetamide, solute is poly- perfluoro decyl acrylate or polytetrafluoroethylene (PTFE).
The C-Si02Graphite film layer is graphite and Si02Mixed coating, the graphite particle yardstick are 8nm, Si02
Grain yardstick be 6nm, graphite and Si02Mass ratio be 1：5.
The preparation method of a kind of porcelain and glass insulator low-temperature resistance coating, such as embodiment one.The processing means of embodiment two
The insulator of acquisition, the climate characteristic 125 hours according to sleet day is imitated, without any ice bits residual, exceeded expected low temperature and resisted
The effect of jelly.
Embodiment three：
A kind of porcelain and glass insulator low-temperature resistance coating, including it is arranged on the Si0 of outer surface of insulator2Film layer and it is arranged on
The Si02Organic fluorocompound film layer in film layer is formed, and C-Si0 is set outside the organic fluorocompound film layer2Graphite film layer.It is described
Si02Film layer is by Si02Film layer preparation solution is made, the Si02Film layer preparation solution is by Si02Colloidal sol and Si02Powder forms, Si02It is molten
Si0 in glue2Molal quantity and Si02Si0 in powder2The ratio between molal quantity be 3.2：1.
Wherein, the Si02Colloidal sol is acidic silicasol, and its preparation method is：Absolute ethyl alcohol and tetraethyl orthosilicate are added
Into reaction vessel, then the reaction vessel is placed into cold bath, stirring mixes absolute ethyl alcohol and tetraethyl orthosilicate
Into homogeneous phase solution, reaction solution A is obtained, deionized water is instilled in reaction solution A afterwards, obtains reaction solution B, adjusts reaction solution B's with nitric acid
PH value heats the reaction vessel to 70 DEG C, back flow reaction 3~6 hours, is cooled to room temperature, aged 56 is small afterwards to l~3
When, obtain acidic silicasol；The volume ratio of wherein absolute ethyl alcohol, tetraethyl orthosilicate and deionized water is：Absolute ethyl alcohol：Positive silicic acid second
Ester：Deionized water=3：2：2.The Si02Si0 in colloidal sol2Particle scale be 1.5~3nm.The Si02Si0 in powder2's
Particle scale is 20~25nm.
The organic fluorocompound film layer is made up of organic fluorocompound film layer preparation solution, the organic fluorocompound film layer preparation solution
For unimolecule organ of luorosilane solution or fluoropolymer solutions.The percent by volume of the unimolecule organ of luorosilane solution is dense
Spend for 2~3.5%, solvent is any of isopropanol, butanol and ethanol, and solute is ten difluoro heptyl propyl trimethoxy silicon
Alkane or ten trifluoro octyl group trimethoxy silanes；The concentration of volume percent of the fluoropolymer solutions is 0.25~5%, solvent
For N methyl pyrrolidones or N, N dimethyl acetamide, solute is poly- perfluoro decyl acrylate or polytetrafluoroethylene (PTFE).
The C-Si02Graphite film layer is graphite and Si02Mixed coating, the graphite particle yardstick are 12nm, Si02
Grain yardstick be 4nm, graphite and Si02Mass ratio be 1：5.
The preparation method of a kind of porcelain and glass insulator low-temperature resistance coating, such as embodiment one.The processing means of embodiment three
The insulator of acquisition, the climate characteristic 118 hours according to sleet day is imitated, without any ice bits residual, exceeded expected low temperature and resisted
The effect of jelly.
Claims (4)
1. a kind of porcelain and glass insulator low-temperature resistance coating, including it is arranged on the Si0 of outer surface of insulator2Film layer and it is arranged on institute
State Si02Organic fluorocompound film layer in film layer, it is characterised in that：C-Si0 is set outside the organic fluorocompound film layer2Graphite film
Layer, the Si02Film layer is by Si02Film layer preparation solution is made, the Si02Film layer preparation solution is by Si02Colloidal sol and Si02Powder forms,
Si02Si0 in colloidal sol2Molal quantity and Si02Si0 in powder2The ratio between molal quantity be (3~3.15)：1；The organic fluorocompound
Film layer is made up of organic fluorocompound film layer preparation solution, and the organic fluorocompound film layer preparation solution is unimolecule organ of luorosilane solution
Or fluoropolymer solutions；The C-Si02Graphite film layer is graphite and Si02Mixed coating.
2. porcelain as claimed in claim 1 and glass insulator low-temperature resistance coating, it is characterised in that：The organic fluorocompound film layer
It is made up of organic fluorocompound film layer preparation solution, the organic fluorocompound film layer preparation solution is unimolecule organ of luorosilane solution or contained
Fluoropolymer solution, the concentration of volume percent of the unimolecule organ of luorosilane solution are 2~3.5%, solvent be isopropanol,
Any of butanol and ethanol, solute are ten difluoro heptyl propyl trimethoxy silicanes or ten trifluoro octyl group trimethoxy silicon
Alkane；The concentration of volume percent of the fluoropolymer solutions is 0.25~5%, and solvent is N methyl pyrrolidones or N, N diformazan
Yl acetamide, solute are poly- perfluoro decyl acrylate or polytetrafluoroethylene (PTFE).
3. porcelain as claimed in claim 1 and glass insulator low-temperature resistance coating, it is characterised in that：The C-Si02Graphite film layer
For graphite and Si02Mixed coating, the graphite particle yardstick are 5~15nm, Si02Particle scale be 3~6nm, graphite with
Si02Mass ratio be 1：(5~5.5).
A kind of 4. preparation method of porcelain as claimed in claim 1 and glass insulator low-temperature resistance coating, it is characterised in that including
Following steps：
A. Si0 is coated on the outer surface of insulator body2Film layer, carries out surface preparation to insulator body first, and surface is pre-
Processing step is followed successively by：Washing, alcohol are washed, 480 DEG C of high-temperature roastings；Applied in the outer surface of the insulator body Jing Guo surface preparation
Cover Si02Film layer preparation solution, is dried at room temperature afterwards, is then placed in Muffle furnace and is calcined 6 hours in 450 DEG C, in insulator body
Outer surface on coating obtain Si02Film layer；
B. it is coated with Si0 in outer surface2The Si0 of the insulator body of film layer2Organic fluorocompound film layer preparation solution is coated in film layer,
After through spontaneously dry；
C. by the insulator surface coated graphite and Si0 after natural drying2Mixture, cold isostatic press is put into 250~300Mpa
Lower 4 hours of pressure, after surface mixture comes off naturally, it is then placed in vacuum drying oven and is heat-treated 4 hours in 400 DEG C, is made anti-
Ice flash insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610090380.1A CN105732125B (en) | 2013-11-30 | 2013-11-30 | A kind of porcelain and glass insulator low-temperature resistance coating |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310621347.3A CN103641330B (en) | 2013-11-30 | 2013-11-30 | A kind of porcelain and glass insulator Low-temperature antifreeze coating and preparation method thereof |
| CN201610090380.1A CN105732125B (en) | 2013-11-30 | 2013-11-30 | A kind of porcelain and glass insulator low-temperature resistance coating |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310621347.3A Division CN103641330B (en) | 2013-11-30 | 2013-11-30 | A kind of porcelain and glass insulator Low-temperature antifreeze coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105732125A CN105732125A (en) | 2016-07-06 |
| CN105732125B true CN105732125B (en) | 2018-03-13 |
Family
ID=56245983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610090380.1A Active CN105732125B (en) | 2013-11-30 | 2013-11-30 | A kind of porcelain and glass insulator low-temperature resistance coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105732125B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358106A (en) * | 2008-09-25 | 2009-02-04 | 武汉工程大学 | Anti-icing nano composite paint and application |
| CN102503170A (en) * | 2011-10-19 | 2012-06-20 | 河南大学 | Super-hydrophobic coating for icing flashover prevention of insulator as well as icing flashover resistant insulator and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09231821A (en) * | 1995-12-22 | 1997-09-05 | Toto Ltd | Luminaire and method for maintaining illuminance |
-
2013
- 2013-11-30 CN CN201610090380.1A patent/CN105732125B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358106A (en) * | 2008-09-25 | 2009-02-04 | 武汉工程大学 | Anti-icing nano composite paint and application |
| CN102503170A (en) * | 2011-10-19 | 2012-06-20 | 河南大学 | Super-hydrophobic coating for icing flashover prevention of insulator as well as icing flashover resistant insulator and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105732125A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xie et al. | Non-fluorinated and durable photothermal superhydrophobic coatings based on attapulgite nanorods for efficient anti-icing and deicing | |
| Zuo et al. | Fabrication and anti-icing property of coral-like superhydrophobic aluminum surface | |
| CN102503170B (en) | Super-hydrophobic coating for icing flashover prevention of insulator as well as icing flashover resistant insulator and preparation method thereof | |
| CN104630775B (en) | A kind of large-scale preparation method of heat exchanger aluminium foil fins set super hydrophobic surface | |
| CN101705488B (en) | Surface processing method of super-hydrophobic ice-covering-proof aluminum and steel with rough surface | |
| CN102407220B (en) | Method for preparing super hydrophobic film on surface of zinc substrate | |
| Wenxuan et al. | The anti-icing/frosting aluminum surface with hydrangea-like micro/nano structure prepared by chemical etching | |
| CN104134499B (en) | A kind of composite high voltage insulator | |
| CN101955700A (en) | Acid rain resistant flexible outer wall emulsion paint | |
| CN104176781A (en) | Flaky nanometer molybdenum disulfide material, nanometer composite metal anticorrosive coating material and preparation method of flaky nanometer molybdenum disulfide material and nanometer composite metal anticorrosive coating material | |
| DE102009024320B4 (en) | Coatings with ice-repellent and freezing point-lowering properties, process for their preparation and use | |
| Liu et al. | Eco-friendly fabrication of transparent superhydrophobic coating with excellent mechanical robustness, chemical stability, and long-term outdoor durability | |
| CN109468648A (en) | The large-scale producing method on aluminum or aluminum alloy antifrost surface | |
| Xu et al. | Nanocoating: anti-icing superamphiphobic surface on 1060 aluminum alloy mesh | |
| CN103570251B (en) | A kind of preparation method of the super-hydrophobic coat that insulate | |
| CN105731827B (en) | A kind of porcelain and the freeze proof coating of glass insulator | |
| CN103641330B (en) | A kind of porcelain and glass insulator Low-temperature antifreeze coating and preparation method thereof | |
| CN105732125B (en) | A kind of porcelain and glass insulator low-temperature resistance coating | |
| KR101554983B1 (en) | manufacturing method of aluminium power line preventing an ice coating | |
| CN107523817A (en) | A kind of preparation method of the controllable super-hydrophobic film layer of surface wettability | |
| CN106086835A (en) | A kind of aluminum and the preparation method of superhydrophobic surface of aluminum alloy | |
| CN102176354B (en) | Anti-icing method of aerial service steel-cored aluminum strand | |
| CN105401200A (en) | Preparation method for super-hydrophobic aluminum surface | |
| Liu et al. | Extreme-environment tolerant superhydrophobic montmorillonite/hollow SiO2 composite coating as building radiative cooler for scale energy conservation | |
| CN105331266A (en) | Aluminium section coating pretreatment agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yiqun Inventor after: Wang Yichao Inventor after: Zheng Fubin Inventor after: Guo Xiaofei Inventor after: Ping Lintao Inventor after: Jin Huijun Inventor after: Zhang Jinguang Inventor before: Zhang Yiqun Inventor before: Niu Yugan Inventor before: Zheng Fubin Inventor before: Guo Xiaofei Inventor before: Ping Lintao Inventor before: Jin Huijun Inventor before: Zhang Jinguang |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180205 Address after: Six Xinhua Road, Henan, southern Pingdingshan, No. 467001 Applicant after: Pingdingshan Power Supply Company, State Grid Henan Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: Pingdingshan City, Henan Province, the southern section of Xinhua Road 467001 Applicant before: Pingdingshan Power Supply Company, State Grid Henan Electric Power Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |