CN105989934A - Insulator possessing super-hydrophobic surface - Google Patents
Insulator possessing super-hydrophobic surface Download PDFInfo
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- CN105989934A CN105989934A CN201510073016.XA CN201510073016A CN105989934A CN 105989934 A CN105989934 A CN 105989934A CN 201510073016 A CN201510073016 A CN 201510073016A CN 105989934 A CN105989934 A CN 105989934A
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Abstract
The invention relates to an insulator possessing a super-hydrophobic surface. The insulator is included, wherein an enamel layer is formed on a surface of the insulator. A super-hydrophobic coating is formed on an enamel layer surface. The insulator enamel layer possesses good heat stability and a thermal expansion coefficient is low. Refractoriness and glaze hardness are high and a surface resistivity is high too. The super-hydrophobic coating possesses excellent anti-pollution performance. The insulator possesses good flashover prevention performance under different climate conditions of rain, dew, frost, snow and the like.
Description
Technical field
The present invention relates to the technical field of power transmission line, it is more particularly related to a kind of insulator with super hydrophobic surface.
Background technology
Along with the strategy implementation of China's " transferring electricity from the west to the east, whole nation interconnection ", supertension, the development of extra-high voltage technology and the great attention of the home-made equipment that matches, following China height tonnage, Large Copacity long-distance transmission circuit are got more and more by country.The core of porcelain insulator is insulation and supports, it, with high pressure resistant, acidproof, anticorrosive and intensity is high is used for transmission line of electricity, is referred to as " life line " of transmission line of electricity.Insulation task substantially completes jointly with transmission line of electricity surrounding air.So being most concerned with some strength grade when GB and IEC are to insulator type inspection can play insulating effect under the conditions of how, i.e. insulation breakdown.Existing porcelain insulator is in transmission line of electricity running, and when electric field intensity is raised to some value, insulation will be destroyed, breakdown or electric discharge of referred to as insulating.The intensity bearing compressive stress in transmission line of electricity is subject to the decades of times of tension, and stress is many, has the weight of transmission pressure, tension force, regelation weight, wind-force, vibration and electric power etc..For porcelain insulator, it is necessary to there are bending strength and the electromechanical failure load etc. of excellence.Additionally, also need to the anti-pollution characteristic with excellence, the serious problems that the pollution flashover phenomenon of high-tension insulator is always in ultra-high-tension power transmission line in recent years for high-tension insulator.Conventional antifouling work means are periodically to clean insulator surface, but this high-altitude or livewire work cost is high and inefficiency.Thus, keep the antifouling property of insulator surface to also result in increasing attention the most for a long time.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of insulator with super hydrophobic surface.
In order to solve above-mentioned technical problem and realize goal of the invention, the invention provides techniques below scheme:
A kind of insulator with super hydrophobic surface, is formed with the insulator of glaze layer including surface, it is characterised in that: described glaze layer surface is formed with super-hydrophobic coat.
Wherein, the raw material of described glaze layer consists of: calcining bauxite, 10～the waterglass of the pyrophyllite of the white fused alumina of the crushed crude pearlite of the magnesium aluminate spinel of 12wt%, 6～8wt%, 3～5wt%, 3～5wt%, 0.50～0.55wt% of the Kaolin of silica flour, 8～10wt%, 10～the 12wt% of 20～22wt%, and the potassium feldspar of surplus.
Wherein, the chemical composition of described glaze layer is: the SiO of 65～72wt%2, 12～the Al of 20wt%2O3, 6～the K of the CaO of the MgO of 10wt%, 1.0～1.5wt%, 3.5～5.5wt%2O+Na2The Fe of O, 0.2～0.5wt%2O3。
Wherein, the thickness of described super-hydrophobic coat is 10～50 μm.
Wherein, described super-hydrophobic coat is by coating super-hydrophobic treatment fluid, and is formed in 85～100 DEG C of cured 45～50min.
Wherein, described super-hydrophobic treatment fluid by 5.0～5.5wt% the modified Nano SiO of dichloromethyl triethoxysilane, 0.6～0.8wt% of the acrylamide of alkyl phenol ether sulfosuccinates, 2.0～2.2wt%, 1.0～1.2wt% of the glycidyl methacrylate of ethylene glycol dimethacrylate, 3.5～5.0wt%, 1.2～1.5wt%2The aluminium hydroxide of monomer, 1.0～1.2wt% and the solvent composition of surplus.
Wherein, described solvent at least two in dimethylbenzene, isopropanol, n-butyl alcohol, methyl acetate, ethyl acetate, butyl acetate, ethylene glycol and N-Methyl pyrrolidone.
Wherein, described modified Nano SiO2Monomer is prepared by the following method and obtains: first, by Nano-meter SiO_22With 3-aminopropyl triethoxysilane 50 DEG C anhydrous toluene solution react obtain amino modified Nano-meter SiO_22, wherein 3-aminopropyl triethoxysilane and Nano-meter SiO_22Mass ratio be 1: 5；Then, adding maleic anhydride in DMF solution, stirring and dissolving obtains mixed solution completely；At described amino modified Nano-meter SiO_22Middle addition DMF is uniformly mixing to obtain dispersion liquid；Being added to by dispersant liquid drop in described mixed solution, then 70 DEG C of stirring reactions completely, the product obtained is through washing, filter, can obtain described modified Nano SiO after drying2Monomer, wherein, described maleic anhydride and Nano-meter SiO_22Mass ratio be 1: 5.
Compared with prior art, the insulator with super hydrophobic surface of the present invention has the advantages that
Insulator glaze layer the most of the present invention has good heat stability, and thermal coefficient of expansion is low, and refractoriness and hardness of glaze surface are high, and surface resistivity is high.
Insulator surface the most of the present invention is also coated with super-hydrophobic coat, has the anti-pollution of excellence, is respectively provided with good anti-flashover performance under the conditions of the Different climates such as rain, dew, frost and snow.
Detailed description of the invention
Below with reference to one exemplary embodiment, illustrate the purpose of the present invention and function and for the method realizing these purposes and function.But, the present invention is not limited to one exemplary embodiment disclosed below；By multi-form, it can be realized.The essence of description is only the detail helping the various equivalent modifications Integrated Understanding present invention.
Embodiment 1
In the present embodiment, described insulator surface is formed with glaze layer, the raw material of described glaze layer consists of: calcining bauxite, 10～the waterglass of the pyrophyllite of the white fused alumina of the crushed crude pearlite of the magnesium aluminate spinel of 12wt%, 6～8wt%, 3～5wt%, 3～5wt%, 0.50～0.55wt% of the Kaolin of silica flour, 8～10wt%, 10～the 12wt% of 20～22wt%, and the potassium feldspar of surplus.The chemical composition of described glaze layer is: the SiO of 65～72wt%2, 12～the Al of 20wt%2O3, 6～the K of the CaO of the MgO of 10wt%, 1.0～1.5wt%, 3.5～5.5wt%2O+Na2The Fe of O, 0.2～0.5wt%2O3.And described glaze layer can be prepared by the following method and obtain: 1. configure raw material, according to said ratio by raw material (in addition to waterglass) mix homogeneously, then in ball mill, carry out ball milling, obtain the powder stock that granule is 250～300 mesh, it is subsequently adding waterglass and water in slurry pool, forms slurry glaze, then glaze on insulator surface, burns till after drying under conditions of temperature is 1250～1300 DEG C.The main performance of described glaze layer is as shown in table 1.Described porcelain insulator can be as the suspended porcelain insulator of 550kN grade.
Table 1
| Refractoriness/DEG C | 1200～1250 |
| Thermal coefficient of expansion (20～600 DEG C)/× 10-6K-1 | 3.2～3.6 |
| Mohs' hardness | 7.3～7.8 |
| Surface resistivity (relative humidity 70%) Ω | 1012～1013 |
Embodiment 2
In the present embodiment, insulator glaze layer surface by brushing, dip-coating or spin coating have super-hydrophobic treatment fluid, described super-hydrophobic treatment fluid by 5.0～5.5wt% the modified Nano SiO of dichloromethyl triethoxysilane, 0.6～0.8wt% of the acrylamide of alkyl phenol ether sulfosuccinates, 2.0～2.2wt%, 1.0～1.2wt% of the glycidyl methacrylate of ethylene glycol dimethacrylate, 3.5～5.0wt%, 1.2～1.5wt%2The aluminium hydroxide of monomer, 1.0～1.2wt% and the solvent composition of surplus.Described solvent at least two in dimethylbenzene, isopropanol, n-butyl alcohol, methyl acetate, ethyl acetate, butyl acetate, ethylene glycol and N-Methyl pyrrolidone.After coating, i.e. can get super-hydrophobic coat in 85～100 DEG C of cured 45～50min.
Embodiment 2A
In the present embodiment, first, by Nano-meter SiO_22With 3-aminopropyl triethoxysilane 50 DEG C anhydrous toluene solution react obtain amino modified Nano-meter SiO_22, wherein 3-aminopropyl triethoxysilane and Nano-meter SiO_22Mass ratio be 1: 5；Then, adding maleic anhydride in DMF solution, stirring and dissolving obtains mixed solution completely；At described amino modified Nano-meter SiO_22Middle addition DMF is uniformly mixing to obtain dispersion liquid；Being added to by dispersant liquid drop in described mixed solution, then 70 DEG C of stirring reactions completely, the product obtained is through washing, filter, can obtain described modified Nano SiO after drying2Monomer, wherein, described maleic anhydride and Nano-meter SiO_22Mass ratio be 1: 5.
Embodiment 2B
In the present embodiment, super-hydrophobic treatment fluid is brushed on insulator glaze layer surface, and described super-hydrophobic treatment fluid is by the ethylene glycol dimethacrylate of 5.0wt%, the glycidyl methacrylate of 5.0wt%, the alkyl phenol ether sulfosuccinates of 1.2wt%, the acrylamide of 2.0wt%, the dichloromethyl triethoxysilane of 1.2wt%, the modified Nano SiO of 0.6wt%2Monomer (embodiment 2A), the aluminium hydroxide of 1.0wt%, the ethyl acetate of 15wt%, and the N-Methyl pyrrolidone of surplus.After coating, i.e. can get super-hydrophobic coat 100 DEG C of cured 45min, the THICKNESS CONTROL of described super-hydrophobic coat is 10 μm.
Embodiment 2C
In the present embodiment, super-hydrophobic treatment fluid is brushed on insulator glaze layer surface, and described super-hydrophobic treatment fluid is by the ethylene glycol dimethacrylate of 5.5wt%, the glycidyl methacrylate of 3.5wt%, the alkyl phenol ether sulfosuccinates of 1.5wt%, the acrylamide of 2.2wt%, the dichloromethyl triethoxysilane of 1.0wt%, the modified Nano SiO of 0.8wt%2Monomer (embodiment 2A), the aluminium hydroxide of 1.2wt%, the ethyl acetate of 15wt%, and the N-Methyl pyrrolidone of surplus.After coating, i.e. can get super-hydrophobic coat 100 DEG C of cured 45min, the THICKNESS CONTROL of described super-hydrophobic coat is 10 μm.
Comparative example 1A
In this comparative example, by Nano-meter SiO_22With Silane coupling agent KH550 50 DEG C anhydrous toluene solution react obtain modified Nano SiO2, wherein Silane coupling agent KH550 and Nano-meter SiO_22Mass ratio be 1: 5.
Comparative example 1B
In this comparative example, by Nano-meter SiO_22With γ-methacryloxypropyl trimethoxy silane 50 DEG C anhydrous toluene solution react obtain modified Nano SiO2, wherein γ-methacryloxypropyl trimethoxy silane and Nano-meter SiO_22Mass ratio be 1: 4.
Comparative example 2A
In this comparative example, treatment fluid is brushed on insulator glaze layer surface, and described treatment fluid is by the ethylene glycol dimethacrylate of 5.0wt%, the glycidyl methacrylate of 5.0wt%, the alkyl phenol ether sulfosuccinates of 1.2wt%, the acrylamide of 2.0wt%, the dichloromethyl triethoxysilane of 1.2wt%, the modified Nano SiO of 0.6wt%2Monomer (comparative example 1A), the aluminium hydroxide of 1.0wt%, the ethyl acetate of 15wt%, and the N-Methyl pyrrolidone of surplus.After coating, i.e. can get coating 100 DEG C of cured 45min, the THICKNESS CONTROL of described coating is 10 μm.
Comparative example 2B
In this comparative example, treatment fluid is brushed on insulator glaze layer surface, and described treatment fluid is by the ethylene glycol dimethacrylate of 5.0wt%, the glycidyl methacrylate of 5.0wt%, the alkyl phenol ether sulfosuccinates of 1.2wt%, the acrylamide of 2.0wt%, the dichloromethyl triethoxysilane of 1.2wt%, the modified Nano SiO of 0.6wt%2Monomer (comparative example 1B), the aluminium hydroxide of 1.0wt%, the ethyl acetate of 15wt%, and the N-Methyl pyrrolidone of surplus.After coating, i.e. can get coating 100 DEG C of cured 45min, the THICKNESS CONTROL of described coating is 10 μm.
Comparative example 2C
In this comparative example, treatment fluid is brushed on insulator glaze layer surface, and described treatment fluid is by the ethylene glycol dimethacrylate of 5.0wt%, the glycidyl methacrylate of 5.0wt%, the alkyl phenol ether sulfosuccinates of 1.2wt%, the dichloromethyl triethoxysilane of 1.2wt%, the modified Nano SiO of 0.6wt%2Monomer (embodiment 2A), the aluminium hydroxide of 1.0wt%, the ethyl acetate of 15wt%, and the N-Methyl pyrrolidone of surplus.After coating, i.e. can get coating 100 DEG C of cured 45min, the THICKNESS CONTROL of described coating is 10 μm.
Comparative example 2D
In this comparative example, treatment fluid is brushed on insulator glaze layer surface, and described treatment fluid is by the ethylene glycol dimethacrylate of 6.2wt%, the glycidyl methacrylate of 5.0wt%, the acrylamide of 2.0wt%, the dichloromethyl triethoxysilane of 1.2wt%, the modified Nano SiO of 0.6wt%2Monomer (embodiment 2A), the aluminium hydroxide of 1.0wt%, the ethyl acetate of 15wt%, and the N-Methyl pyrrolidone of surplus.After coating, i.e. can get coating 100 DEG C of cured 45min, the THICKNESS CONTROL of described coating is 10 μm.
Embodiment 2B-2C, and the coating performance that comparative example 2A-2D obtains is as shown in table 2.
For the ordinary skill in the art; the present invention is simply exemplarily described by specific embodiment; obviously the present invention implements and is not subject to the restrictions described above; if the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme; or the most improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention.
Claims (8)
1. there is an insulator for super hydrophobic surface, be formed with the insulator of glaze layer including surface, it is characterised in that: described glaze
Layer surface is formed with super-hydrophobic coat.
The insulator with super hydrophobic surface the most according to claim 1, it is characterised in that: the thickness of described super-hydrophobic coat
Degree is 10～50 μm.
The insulator with super hydrophobic surface the most according to claim 1, it is characterised in that: described super-hydrophobic coat passes through
Coat super-hydrophobic treatment fluid, and formed in 85～100 DEG C of cured 45～50min.
The insulator with super hydrophobic surface the most according to claim 3, it is characterised in that: described super-hydrophobic treatment fluid by
The alkane of the glycidyl methacrylate of ethylene glycol dimethacrylate, 3.5～5.0wt%, 1.2～the 1.5wt% of 5.0～5.5wt%
The dichloromethyl triethoxysilane of base 2, 2-Oxydiphenol sulfosuccinates, 2.0～the acrylamide of 2.2wt%, 1.0～1.2wt%,
The modified Nano SiO of 0.6～0.8wt%2The aluminium hydroxide of monomer, 1.0～1.2wt% and the solvent composition of surplus.
The insulator with super hydrophobic surface the most according to claim 4, it is characterised in that: described solvent selected from dimethylbenzene,
In isopropanol, n-butyl alcohol, methyl acetate, ethyl acetate, butyl acetate, ethylene glycol and N-Methyl pyrrolidone
At least two.
The insulator with super hydrophobic surface the most according to claim 4, it is characterised in that: described modified Nano SiO2Single
Body is prepared by the following method and obtains: first, by Nano-meter SiO_22Molten at the dry toluene of 50 DEG C with 3-aminopropyl triethoxysilane
Liquid reaction obtains amino modified Nano-meter SiO_22, wherein 3-aminopropyl triethoxysilane and Nano-meter SiO_22Mass ratio be 1: 5；Then,
Adding maleic anhydride in DMF solution, stirring and dissolving obtains mixed solution completely；At described amino
Modified Nano SiO2Middle addition DMF is uniformly mixing to obtain dispersion liquid；Dispersant liquid drop is added to described mixing molten
In liquid, then 70 DEG C of stirring reactions completely, the product obtained is received through washing, filter, can obtain described modification after drying
Rice SiO2Monomer, wherein, described maleic anhydride and Nano-meter SiO_22Mass ratio be 1: 5.
The insulator with super hydrophobic surface the most according to claim 1, it is characterised in that: the raw material composition of described glaze layer
For: the magnalium point of calcining bauxite, 10～the 12wt% of the Kaolin of silica flour, 8～10wt%, 10～the 12wt% of 20～22wt%
The waterglass of the pyrophyllite of the white fused alumina of the crushed crude pearlite of spar, 6～8wt%, 3～5wt%, 3～5wt%, 0.50～0.55wt%,
Potassium feldspar with surplus.
The insulator with super hydrophobic surface the most according to claim 7, it is characterised in that: the chemical composition of described glaze layer
For: the SiO of 65～72wt%2, 12～the Al of 20wt%2O3, 6～the CaO of the MgO of 10wt%, 1.0～1.5wt%, 3.5～5.5wt%
K2O+Na2The Fe of O, 0.2～0.5wt%2O3。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293382A (en) * | 2017-08-10 | 2017-10-24 | 国网河南宝丰县供电公司 | With anti-ice-flashing, the insulator of pollution flashover coating and preparation method thereof |
| CN109952279A (en) * | 2016-11-04 | 2019-06-28 | 皮斯绝缘材料奥地利有限公司 | Glaze for ceramic |
| CN112723744A (en) * | 2021-04-06 | 2021-04-30 | 佛山市东鹏陶瓷有限公司 | Zirconium-free microcrystalline milky-white frit, zirconium-free high-white ground glaze and preparation method thereof |
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| CN1995251A (en) * | 2006-12-27 | 2007-07-11 | 清华大学深圳研究生院 | Paint for preventing covering ice for insulator and its preparation method |
| CN103515036A (en) * | 2013-10-22 | 2014-01-15 | 温县供电有限责任公司 | Manufacturing method of high-strength ceramic insulator |
| CN103788802A (en) * | 2014-01-08 | 2014-05-14 | 深圳大学 | Preparation method of super-hydrophobic coating |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1995251A (en) * | 2006-12-27 | 2007-07-11 | 清华大学深圳研究生院 | Paint for preventing covering ice for insulator and its preparation method |
| CN103515036A (en) * | 2013-10-22 | 2014-01-15 | 温县供电有限责任公司 | Manufacturing method of high-strength ceramic insulator |
| CN103788802A (en) * | 2014-01-08 | 2014-05-14 | 深圳大学 | Preparation method of super-hydrophobic coating |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109952279A (en) * | 2016-11-04 | 2019-06-28 | 皮斯绝缘材料奥地利有限公司 | Glaze for ceramic |
| CN109952279B (en) * | 2016-11-04 | 2022-12-13 | 比彼西奥地利控股有限公司 | Glaze for ceramic products |
| CN107293382A (en) * | 2017-08-10 | 2017-10-24 | 国网河南宝丰县供电公司 | With anti-ice-flashing, the insulator of pollution flashover coating and preparation method thereof |
| CN107293382B (en) * | 2017-08-10 | 2022-12-16 | 国网河南省电力公司宝丰县供电公司 | Insulator with anti-icing flashover and pollution flashover coating and preparation method thereof |
| CN112723744A (en) * | 2021-04-06 | 2021-04-30 | 佛山市东鹏陶瓷有限公司 | Zirconium-free microcrystalline milky-white frit, zirconium-free high-white ground glaze and preparation method thereof |
| CN112723744B (en) * | 2021-04-06 | 2021-07-20 | 佛山市东鹏陶瓷有限公司 | Zirconium-free microcrystalline milky-white frit, zirconium-free high-white ground glaze and preparation method thereof |
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