CN105368315A - Anti-icing nano-coating for extra-high voltage line surface in mountain area and preparation method thereof - Google Patents
Anti-icing nano-coating for extra-high voltage line surface in mountain area and preparation method thereof Download PDFInfo
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Abstract
The invention provides an anti-icing nano-coating for an extra-high voltage line surface in mountain areas. The coating includes the following raw materials by weight: 30-50 parts of fluorosilicone resin, 2-5 parts of carbon nanotubes, 2-5 parts of nano Ni, 6-8 parts of diamond carbon, 5-8 parts of a light absorbing pigment, 4-6 parts of nano TiO2, 8-12 parts of nano SiO2, 0.5-1 part of an emulsifier, 0.5-1 part of a defoaming agent, 0.3-1 part of a leveling agent, 1-2 parts of a silane coupling agent, 1-2 parts of a preservative, and 20-30 parts of a solvent. The anti-icing coating has the advantages of water contact angle of 131-169 DEG, strong hardness and wear resistance, and high absorptivity rate and low emission rate.
Description
Technical field
The present invention relates to a kind of UHV transmission line anti-icing paint, especially relate to extra high voltage line surface, a kind of mountain area anti-icing nano coating and preparation method thereof.
Background technology
While the economic continuous high speed of China increases, energy problem becomes the bottleneck of economic stability sustainable development day by day.National energy distribution and the unbalanced fundamental realities of the country of productivity dynamics are based oneself upon by State Grid Corporation of China, planning construction exchanges 1000 kilovolts and direct current ± 800 kilovolt high-voltage fence, in the hope of distributing electric power resource rationally in a wider context, realize the efficiency utilization of China's finite energy resource resource.Because UHV transmission line transmission distance is far away, in the mountain area that some are with a varied topography, the span of UHV transmission line, the diameter of wire and liftoff height can further improve, the geography of mountain area Special complex and envrionment conditions make UHV transmission line more easily suffer wire icing, and extra-high voltage transmission line icing is the important factor that electrical network destroys, in order to make system for ultra-high voltage transmission, there is enough securities and reliability, alleviate the loss that ice and snow brings to transmission system, strengthen the existing important theory value of research of the ice-covering-proof material of mountain area extra-high voltage transmission line, there are again important economy and social value.Ice-covering-proof material of the prior art can be divided into electroheating type material, photo-thermal type material and super-hydrophobic material according to ice-covering-proof principle difference, electroheating type material is by increasing certain electro-conductive material in the feed, ice-covering-proof material is made to have good electric heating property under the effect of minute leakage electric current, thus can effectively stop ice freezing at insulator surface at low ambient temperatures, but leakage current likely can bring very large potential safety hazard to extra high voltage line; Photo-thermal type material is the material adding some extinction heat transfer types, but is not having the weather of sunlight, and its action effect is not good; And super hydrophobic material utilizes the sticking power between reduction ice and transmitting line thus realizes ice-covering-proof effect, contrast electroheating type material and photo-thermal type material, effective, and safer, but super hydrophobic material is for the icing problem that can not solve UHV transmission line more serious ice damage completely.
Chinese patent CN104530974A discloses a kind of anti-icing paint, is made up of component A and B component, and the mass ratio of component A and B component is (4-7): 1, the mass percent composition of component A comprises: solid content is the fluorine silicon resin 20-80% of 20-70%, defoamer 0.05-2%, flow agent 0.05-2%, auxiliary rheological agents 0.05-2%, photostabilizer 0.05-5%, matting agent 0.05-2%, siccative 0.05-2%, rutile titanium white powder 10-60%, dispersion agent 0.1-20%, A solvent 20-70%; The mass percent composition of B component comprises: polyisocyanate curing agent 20-80%, B solvent 20-80%.The ice-covering-proof coatingsurface that the anti-icing paint of this invention is formed can be low, and hydrophobicity is good, effectively can reduce the ice adhesion strength of base material; But for more serious ice damage, the hydrophobicity only by strongthener can not be dealt with problems completely.Chinese patent CN101928498B discloses a kind of Fluorosilicone-modified acrylic resin hydrophobic anti-corrosion paint, and described coating comprises the component A and B component counted by weight ratio; Described component A comprise by hydrophobic resin 45-70, color stuffing 5-40, solvent 6-30, antiaging agent 1-3, dispersion agent 1-5, anti-settling agent 0.5-2 through mixing, grinding, stir be prepared from; Described B component comprises solidifying agent 5-8.This coating has the features such as hydrophobicity is good, sticking power is good, but can not solve the icing problem of serious ice damage.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of extra high voltage line surface, mountain area anti-icing nano coating having super-drainage structure and photo-thermal effect concurrently, and the preparation method of extra high voltage line surface, mountain area anti-icing nano coating is provided.
For achieving the above object, the present invention by the following technical solutions:
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprise the raw material of following weight part: fluorine silicon resin 30 ~ 50 parts, carbon nanotube 2 ~ 5 parts, Ni nanoparticle 2 ~ 5 parts, class bores 6 ~ 8 parts, carbon, light absorbing pigment 5 ~ 8 parts, nano-TiO
24 ~ 6 parts, Nano-meter SiO_2
28 ~ 12 parts, emulsifying agent 0.5 ~ 1 part, defoamer 0.5 ~ 1 part, flow agent 0.3 ~ 1 part, silane coupling agent 1 ~ 2 part, sanitas 1 ~ 2 part, solvent 20 ~ 30 parts.
Preferably, the preparation method of described light absorbing pigment comprises the following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, add ammoniacal liquor while stirring, adjust ph is 6.0 ~ 7.5, is then placed in 60 ~ 80 DEG C of stirring in water bath 3 ~ 5h, prepares gel; Wherein the addition of deionized water is with can by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA dissolves be as the criterion completely;
Step 2, gel step 1 prepared adds dehydrated alcohol be dried to xerogel at 100 ~ 130 DEG C after on xerogel, is lighted by xerogel, prepares black powder;
Step 3, by the black powder of preparation in step 2 at 600 DEG C ~ 900 DEG C temperature lower calcination 4 ~ 6h, namely prepares light absorbing pigment.
Preferably, EDTA and metal cations Fe in described step 1
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1 ~ 2:1.
Preferably, described emulsifying agent is the one in polyoxyethylene nonylphenol ether, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether and polyoxyethylene carboxylate.
Preferably, described defoamer is silicone antifoam agent, and the defoamer used in the present invention is the one in silicone antifoam agent EFKA-2010, EFKA-2720 and EFKA-2570, and this several defoamer can not only froth breaking fast, also has the effect of levelling.
Preferably, described flow agent is organosilicon flow agent, the organosilicon flow agent used in the present invention is BYK-300, one in BYK-302 and BYK-333, the surface tension of coating can be reduced, provide reasonable ground to soak, and the surface slip of coating can also be increased, improve anti-adhesiveproperties, give coating better gloss.
Preferably, described silane coupling agent is vinyltriethoxysilane, aminopropyl triethoxysilane, γ-aminopropyltrimethoxysilane and 3-(methacryloxypropyl) one in propyl trimethoxy silicane; Silane coupling agent can improve the sticking power of coating and base material.
Preferably, described sanitas is that methylisothiazolinone and benzisothiazole-3-ketone form by weight 3 ~ 5:1 ~ 3 are composite; Methylisothiazolinone and benzisothiazole-3-ketone are carried out composite, the antisepsis and sterilization scope of sanitas can be expanded, reduce the consumption of sanitas, improve the stability of sanitas.
Preferably, described solvent is the one in ethyl acetate, butylacetate, nylon acid methyl esters, dimethyl succinate and propylene glycol monomethyl ether.
The present invention also provides the preparation method of extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2being milled to particle diameter after mixing is 20 ~ 50nm; Then with emulsifying agent, defoamer, flow agent, silane coupling agent, sanitas and solvent after high speed dispersion 1 ~ 2h, namely prepare mountain area extra high voltage line surface anti-icing nano coating.
The invention has the beneficial effects as follows:
The main raw material that extra high voltage line surface, mountain area anti-icing nano coating prepared by the present invention uses is fluorine silicon resin, and Nano-meter SiO_2
2with fluosilicic resin, there is good consistency, use Nano-meter SiO_2
2modification is carried out to fluosilicic resin, the projection of nanometer or this submicron can be formed on fluorine silicon resin surface, these projections are interconnection, thus formation super-drainage structure, can reduce in wet condition with the contact area of water, be conducive to the overcooling water droplet be dropped on super-drainage structure is tumbled rapidly, thus reduce the sticking power of icing, realize high hydrophobicity and excellent ice-covering-proof ability.And nano-TiO
2can free radical be produced under the irradiation of UV-light, to organism, there is very strong degradation capability, therefore in UHV transmission line anti-icing paint, add a certain amount of nano-TiO
2, the automatically cleaning ability that this extra high voltage line surface, mountain area anti-icing nano coating is certain can be given, in addition due to nano-TiO
2there is a large amount of unsaturated link(age)s and the hydroxyl of different states in molecular structure, can with the group generation bonding action of fluorine silicon resin, thus improve thermostability and the chemical stability of material.
The present invention adds light absorbing pigment in the anti-icing nano coating of mountain area extra high voltage line surface, and this light absorbing pigment take EDTA as sequestrant, adopts the method for sol-gel with Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
23H
2o is raw material, through the complex metal oxides that burning and calcining process are prepared from, because iron, manganese and copper are semiconductor material, there is optical band gap Eg, the radiation of the higher visible ray of energy and near infrared range can be absorbed thus transition of electron occurs, cause lattice vibration with the scattering process of lattice, light energy conversion is become heat energy, therefore mountain area of the present invention extra high voltage line surface anti-icing nano coating has good photothermal deformation effect.And the Ni nanoparticle added in the present invention is also semiconductor material, equally also there is good photothermal deformation effect.
The carbon nanotube used in coating prepared by the present invention is good thermally conductive material, and carbon nanotube under low pressure can show good intensification performance, is conducive to thermal conduction and the electric heating conversion of coating inside.
Control light absorbing pigment, Ni nanoparticle and the carbon nanotube consumption in coating, light absorbing pigment and Ni nanoparticle is made to be dispersed in fluorine silicon resin coating uniformly, be not interconnected, the insulating property of coating can be ensured, thus guarantee the security of mountain area UHV transmission line.
Also use a certain amount of class to bore carbon in coating prepared by the present invention, such brill carbon comprises carbon 50% ~ 60% by weight percentage, silicon 40 ~ 50%, and class bores hardness and the wear resistance that carbon can improve material.
The auxiliary agents such as defoamer, flow agent, emulsifying agent, sanitas and silane coupling agent are also used in extra high voltage line surface, mountain area anti-icing nano coating prepared by the present invention, these auxiliary agents interact, and can guarantee that extra high voltage line surface, mountain area of the present invention anti-icing nano coating has more excellent levelling property, stability, oxidation-resistance and smoothness etc.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 30 parts, carbon nanotube 5 parts, Ni nanoparticle is 2 parts, and class bores 6 parts, carbon, light absorbing pigment 8 parts, nano-TiO
2be 4 parts, Nano-meter SiO_2
2it is 12 parts, emulsifying agent polyoxyethylene nonylphenol ether 0.5 part, defoamer EFKA-2010 is 0.5 part, flow agent BYK-300 is 1 part, silane coupling agent vinyl triethoxyl silane is 1 part, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1 part by weight 3:1, and solvent ethyl acetate is 30 parts.
Wherein class is bored carbon and is comprised carbon 50% by weight percentage and silicon 50%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1:1, adds ammoniacal liquor while stirring, and adjust ph is 6.0, is then placed in 60 DEG C of stirred in water bath reaction 5h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 130 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 600 DEG C of temperature lower calcination 4h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2using ball mill to be milled to particle diameter after mixing is 20 ~ 50nm; Then disperse 1h in high speed dispersor high speed after mixing with emulsifying agent polyoxyethylene nonylphenol ether, defoamer EFKA-2010, flow agent BYK-300, silane coupling agent vinyl triethoxyl silane, sanitas and solvent ethyl acetate, namely prepare extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 142 ° with the static contact angle of water, hardness is 3H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 21mg(1000g, 1000r), sticking power is 0 grade.
Extra high voltage line surface, mountain area anti-icing nano paint spay-coating prepared by the present invention and form coating on the toughened glass being of a size of 50mm × 50mm × 0.5mm, adopting is equipped with the AgilentCary5000 UV, visible light near infrared spectrophotometric of integrating sphere device and Tensor27 type infrared spectrometer to evaluate specific absorption and the emittance of coating, measure the reflectivity of coating 0.22 ~ 3 μm and 8 ~ 20 μm respectively, then calculate absorptivity and the emittance of coating according to the calculation formula in international standard ISO9845-1 (1992).The absorptivity of this coating is 0.95 after measured, and emittance is 0.17.
Embodiment 2
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 35 parts, carbon nanotube 4 parts, Ni nanoparticle is 3 parts, and class bores 6.5 parts, carbon, light absorbing pigment 7.5 parts, nano-TiO
2be 4.5 parts, Nano-meter SiO_2
2it is 11 parts, emulsifying agent alkylphenol polyoxyethylene 0.6 part, defoamer EFKA-2720 is 0.6 part, flow agent BYK-302 is 0.8 part, silane coupling agent aminopropyl triethoxysilane is 1.2 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1.2 parts by weight 1:1, and solvent acetic acid butyl ester is 28 parts.
Wherein class is bored carbon and is comprised carbon 52% by weight percentage and silicon 48%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 2:1, adds ammoniacal liquor while stirring, and adjust ph is 6.5, is then placed in 65 DEG C of stirred in water bath reaction 4.5h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 125 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 650 DEG C of temperature lower calcination 5h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2using ball mill to be milled to particle diameter after mixing is 20 ~ 50nm; Then disperse 1.5h in high speed dispersor high speed after mixing with emulsifying agent alkylphenol polyoxyethylene, defoamer EFKA-2720, flow agent BYK-302, silane coupling agent aminopropyl triethoxysilane, sanitas and solvent acetic acid butyl ester, namely prepare extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 158 ° with the static contact angle of water, hardness is 3H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 26mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.96, and emittance is 0.19.
Embodiment 3
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 40 parts, carbon nanotube 3 parts, Ni nanoparticle is 4 parts, and class bores 7 parts, carbon, light absorbing pigment 7 parts, nano-TiO
2be 5 parts, Nano-meter SiO_2
2it is 10 parts, emulsifying agent fatty alcohol-polyoxyethylene ether 0.7 part, defoamer EFKA-2570 is 0.7 part, flow agent BYK-333 is 0.6 part, silane coupling agent γ-aminopropyltrimethoxysilane is 1.4 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1.4 parts by weight 4:1, and solvent nylon acid methyl esters is 26 parts.
Wherein class is bored carbon and is comprised carbon 54% by weight percentage and silicon 46%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1:1, adds ammoniacal liquor while stirring, and adjust ph is 6.8, is then placed in 70 DEG C of stirred in water bath reaction 4h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 120 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 700 DEG C of temperature lower calcination 6h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, is characterized in that, comprise the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2adopting ball mill to be milled to particle diameter after mixing is 20 ~ 50nm; Then disperse 2h in high speed dispersor high speed after mixing with emulsifying agent fatty alcohol-polyoxyethylene ether, defoamer EFKA-2570, flow agent BYK-333, silane coupling agent γ-aminopropyltrimethoxysilane, sanitas and solvent nylon acid methyl esters, namely prepare extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 169 ° with the static contact angle of water, hardness is 3H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 28mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.93, and emittance is 0.18.
Embodiment 4
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 45 parts, carbon nanotube 2 parts, Ni nanoparticle is 5 parts, and class bores 7.5 parts, carbon, light absorbing pigment 6.5 parts, nano-TiO
2be 5.5 parts, Nano-meter SiO_2
2it is 9 parts, emulsifying agent polyoxyethylene carboxylate 0.8 part, defoamer EFKA-2010 is 0.8 part, flow agent BYK-302 is 0.5 part, silane coupling agent 3-(methacryloxypropyl) propyl trimethoxy silicane is 1.6 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1.6 parts by weight 5:3, and solvent dimethyl succinate is 25 parts.
Wherein class is bored carbon and is comprised carbon 56% by weight percentage and silicon 44%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1.5:1, adds ammoniacal liquor while stirring, and adjust ph is 7.0, is then placed in 75 DEG C of stirred in water bath reaction 3.5h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 115 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 750 DEG C of temperature lower calcination 5.5h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano TiO 2 and Nano-meter SiO_2
2being milled to particle diameter after mixing is 20 ~ 50nm; Then with emulsifying agent polyoxyethylene carboxylate, defoamer EFKA-2010, flow agent BYK-302, silane coupling agent 3-(methacryloxypropyl) propyl trimethoxy silicane, sanitas and solvent dimethyl succinate disperse 1h in high speed dispersor high speed after mixing, and namely prepares extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 146 ° with the static contact angle of water, hardness is 4H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 30mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.94, and emittance is 0.22.
Embodiment 5
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 38 parts, carbon nanotube 3.5 parts, Ni nanoparticle is 3.5 parts, and class bores 8 parts, carbon, light absorbing pigment 6 parts, nano-TiO
2be 6 parts, Nano-meter SiO_2
2it is 8 parts, emulsifying agent alkylphenol polyoxyethylene 0.9 part, defoamer EFKA-2720 is 0.9 part, flow agent BYK-300 is 0.4 part, silane coupling agent aminopropyl triethoxysilane is 1.8 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1.8 parts by weight 5:1, and solvent propylene glycol methyl ether is 24 parts.
Wherein class is bored carbon and is comprised carbon 58% by weight percentage and silicon 42%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1:1, adds ammoniacal liquor while stirring, and adjust ph is 7.2, is then placed in 80 DEG C of stirred in water bath reaction 3h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 110 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 800 DEG C of temperature lower calcination 4.5h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2using ball mill to be milled to particle diameter after mixing is 20 ~ 50nm; Then disperse 1.5h in high speed dispersor high speed after mixing with emulsifying agent alkylphenol polyoxyethylene, defoamer EFKA-2720, flow agent BYK-300, silane coupling agent aminopropyl triethoxysilane, sanitas and solvent propylene glycol methyl ether, namely prepare extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 137 ° with the static contact angle of water, hardness is 4H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 25mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.93, and emittance is 0.25.
Embodiment 6
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 50 parts, carbon nanotube 4.5 parts, Ni nanoparticle is 4.5 parts, and class bores 7 parts, carbon, light absorbing pigment 5 parts, nano-TiO
2be 5 parts, Nano-meter SiO_2
2it is 10.5 parts, emulsifying agent polyoxyethylene carboxylate 1 part, defoamer EFKA-2570 is 1 part, flow agent BYK-333 is 0.3 part, silane coupling agent vinyl triethoxyl silane is 2.0 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 2 parts by weight 1:1, and solvent propylene glycol methyl ether is 20 parts.
Wherein class is bored carbon and is comprised carbon 60% by weight percentage and silicon 40%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1.5:1, adds ammoniacal liquor while stirring, and adjust ph is 7.5, is then placed in 65 DEG C of stirred in water bath reaction 4.5h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 100 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 900 DEG C of temperature lower calcination 5h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2being milled to particle diameter after mixing is 20 ~ 50nm; Then disperse 2h in high speed dispersor high speed after mixing with emulsifying agent polyoxyethylene carboxylate, defoamer EFKA-2570, flow agent BYK-333, silane coupling agent vinyl triethoxyl silane, sanitas and solvent propylene glycol methyl ether, namely prepare extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 131 ° with the static contact angle of water, hardness is 3H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 23mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.95, and emittance is 0.27.
Embodiment 7
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 32 parts, carbon nanotube 2.5 parts, Ni nanoparticle is 2.5 parts, and class bores 7.5 parts, carbon, light absorbing pigment 7.5 parts, nano-TiO
2be 6 parts, Nano-meter SiO_2
2it is 8.5 parts, emulsifying agent alkylphenol polyoxyethylene 0.6 part, defoamer EFKA-2720 is 0.6 part, flow agent BYK-302 is 0.7 part, silane coupling agent aminopropyl triethoxysilane is 1.5 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1.2 parts by weight 1:1, and solvent acetic acid butyl ester is 22 parts.
Wherein class is bored carbon and is comprised carbon 52% by weight percentage and silicon 48%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1.5:1, adds ammoniacal liquor while stirring, and adjust ph is 6.2, is then placed in 75 DEG C of stirred in water bath reaction 3.5h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 110 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 850 DEG C of temperature lower calcination 4h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2using ball mill to be milled to particle diameter after mixing is 20 ~ 50nm; Then disperse 1.5h in high speed dispersor high speed after mixing with emulsifying agent alkylphenol polyoxyethylene, defoamer EFKA-2720, flow agent BYK-302, silane coupling agent aminopropyl triethoxysilane, sanitas and solvent acetic acid butyl ester, namely prepare extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 140 ° with the static contact angle of water, hardness is 3H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 25mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.95, and emittance is 0.24.
Embodiment 8
Extra high voltage line surface, a kind of mountain area anti-icing nano coating, comprises the raw material of following weight part:
Fluorine silicon resin 48 parts, carbon nanotube 5 parts, Ni nanoparticle is 4 parts, and class bores 6.5 parts, carbon, light absorbing pigment 7 parts, nano-TiO
2be 4 parts, Nano-meter SiO_2
2it is 9.5 parts, emulsifying agent polyoxyethylene carboxylate 0.8 part, defoamer EFKA-2010 is 0.9 part, flow agent BYK-302 is 0.9 part, silane coupling agent 3-(methacryloxypropyl) propyl trimethoxy silicane is 1.6 parts, sanitas is that methylisothiazolinone and benzisothiazole-3-ketone mix totally 1.8 parts by weight 2:1, and solvent dimethyl succinate is 26 parts.
Wherein class is bored carbon and is comprised carbon 56% by weight percentage and silicon 44%.
Wherein light absorbing pigment is prepared by following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, EDTA and metal cations Fe
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1:1, adds ammoniacal liquor while stirring, and adjust ph is 7.4, is then placed in 85 DEG C of stirred in water bath reaction 3h, prepares gel;
Step 2, gel step 1 prepared is placed in after baking oven is dried to xerogel at 120 DEG C, xerogel adds dehydrated alcohol, is lighted by xerogel, prepare black powder;
Step 3, is placed in retort furnace at 800 DEG C of temperature lower calcination 5h by the black powder of preparation in step 2, namely prepares light absorbing pigment.
The preparation method of extra high voltage line surface, mountain area of the present invention anti-icing nano coating, comprises the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2being milled to particle diameter after mixing is 20 ~ 50nm; Then with emulsifying agent polyoxyethylene carboxylate, defoamer EFKA-2010, flow agent BYK-302, silane coupling agent 3-(methacryloxypropyl) propyl trimethoxy silicane, sanitas and solvent dimethyl succinate disperse 1.5h in high speed dispersor high speed after mixing, and namely prepares extra high voltage line surface, mountain area anti-icing nano coating.
Extra high voltage line surface, mountain area anti-icing nano paint the present invention prepared is on armourplate glass, after the solvent in coating volatilizees completely, measuring the hydrophobicity of this coating, is 150 ° with the static contact angle of water, hardness is 3H, is the H of 10% in volume fraction
2sO
4and volume fraction is soak 7 days in the NaOH of 10%, coating surface does not change, and do not bubble, ftracture or skin effect phenomenon, wear resistance is 24mg(1000g, 1000r), sticking power is 0 grade.
The absorptivity adopting the method identical with embodiment 1 to measure coating is 0.94, and emittance is 0.23.
The performance of extra high voltage line surface, mountain area anti-icing nano coating
In table 1,1 ~ 8 is extra high voltage line surface, mountain area anti-icing nano coating prepared by the embodiment of the present invention 1 ~ 8, evaluate the performance of this UHV transmission line anti-icing paint from these 8 aspects of water contact angle, hardness, acid resistance, alkali resistance, wear resistance, sticking power, absorptivity and emittance, wherein hardness adopts GB/T6739-2006 " pencil method measures hardness of paint film " to measure; Acid resistance adopts the H of 10%
2sO
4soak, alkali resistance adopts the NaOH of 10% to soak, and sticking power adopts GB/T9286-1998 " cross cut test of paint and varnish paint film " to measure, and wear resistance adopts the method in " mensuration of paint and varnish wear resistance " to measure.
The anti-icing nano coating property test of extra high voltage line surface, table 1 mountain area
As can be seen from Table 1, mountain area extra high voltage line surface anti-icing nano coating prepared by the present invention and the contact angle of water reach 131 ° ~ 169 °, and the Nano-meter SiO_2 added in fluorine silicon resin is described
2at the coarse structure being similar to lotus leaf surface that resin surface is formed, utilize supercooled water to tumble rapidly at coating surface, ice-covering-proof effect can be played; Bore carbon owing to the addition of class in coating prepared by the present invention, make this coating have very strong hardness and wear resistance; Silane coupling agent and adding of some auxiliary agents make this material higher with the sticking power of base material; In addition, owing to the addition of light absorbing pigment and carbon nanotube, coating has higher absorptivity 0.93 ~ 0.96 and lower emittance 0.17 ~ 0.27, illustrates that coating prepared by the present invention has very strong photothermal conversion effect, is more conducive to carrying out mountain area extra high voltage line ice-covering-proof.
Claims (10)
1. a mountain area extra high voltage line surface anti-icing nano coating, is characterized in that, comprise the raw material of following weight part: fluorine silicon resin 30 ~ 50 parts, carbon nanotube 2 ~ 5 parts, Ni nanoparticle 2 ~ 5 parts, and class bores 6 ~ 8 parts, carbon, light absorbing pigment 5 ~ 8 parts, nano-TiO
24 ~ 6 parts, Nano-meter SiO_2
28 ~ 12 parts, emulsifying agent 0.5 ~ 1 part, defoamer 0.5 ~ 1 part, flow agent 0.3 ~ 1 part, silane coupling agent 1 ~ 2 part, sanitas 1 ~ 2 part, solvent 20 ~ 30 parts.
2. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, it is characterized in that, the preparation method of described light absorbing pigment comprises the following steps:
Step 1, by Fe (NO
3)
39H
2o, Mn (NO
3)
26H
2o, Cu (NO
3)
23H
2o and EDTA is dissolved in deionized water, Fe (NO
3)
3h
2o, Mn (NO
3)
26H
2o and Cu (NO
3)
2mol ratio be 1:3:2, add ammoniacal liquor while stirring, adjust ph is 6.0 ~ 7.5, is then placed in 60 ~ 80 DEG C of stirring in water bath 3 ~ 5h, prepares gel;
Step 2, gel step 1 prepared adds dehydrated alcohol be dried to xerogel at 100 ~ 130 DEG C after on xerogel, is lighted by xerogel, prepares black powder;
Step 3, by the black powder of preparation in step 2 at 600 DEG C ~ 900 DEG C temperature lower calcination 4 ~ 6h, namely prepares light absorbing pigment.
3. mountain area according to claim 2 extra high voltage line surface anti-icing nano coating, is characterized in that, EDTA and metal cations Fe in described step 1
3+, Mn
2+, Cu
2+the mol ratio of total amount is 1 ~ 2:1.
4. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, it is characterized in that, described emulsifying agent is the one in polyoxyethylene nonylphenol ether, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether and polyoxyethylene carboxylate.
5. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, it is characterized in that, described defoamer is silicone antifoam agent.
6. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, it is characterized in that, described flow agent is organosilicon flow agent.
7. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, it is characterized in that, described silane coupling agent is vinyltriethoxysilane, aminopropyl triethoxysilane, γ-aminopropyltrimethoxysilane and 3-(methacryloxypropyl) one in propyl trimethoxy silicane.
8. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, is characterized in that, described sanitas is that methylisothiazolinone and benzisothiazole-3-ketone form by weight 3 ~ 5:1 ~ 3 are composite.
9. mountain area according to claim 1 extra high voltage line surface anti-icing nano coating, it is characterized in that, described solvent is the one in ethyl acetate, butylacetate, nylon acid methyl esters, dimethyl succinate and propylene glycol monomethyl ether.
10. a preparation method for mountain area as claimed in claim 1 extra high voltage line surface anti-icing nano coating, is characterized in that, comprise the following steps: fluorine silicon resin, carbon nanotube, Ni nanoparticle, class are bored carbon, light absorbing pigment, nano-TiO
2and Nano-meter SiO_2
2being milled to particle diameter after mixing is 20 ~ 50nm; Then with emulsifying agent, defoamer, flow agent, silane coupling agent, sanitas and solvent after high speed dispersion 1 ~ 2h, namely prepare mountain area extra high voltage line surface anti-icing nano coating.
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| CN112574654A (en) * | 2020-11-20 | 2021-03-30 | 国网浙江省电力有限公司宁波供电公司 | Self-heat-absorption anti-icing easy-deicing coating for overhead ground wire of power grid and preparation method thereof |
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