CN101538434A - Fluorocarbon finish paint for corrosion protection of wind power equipment and preparation method thereof - Google Patents
Fluorocarbon finish paint for corrosion protection of wind power equipment and preparation method thereof Download PDFInfo
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- CN101538434A CN101538434A CN200910014834A CN200910014834A CN101538434A CN 101538434 A CN101538434 A CN 101538434A CN 200910014834 A CN200910014834 A CN 200910014834A CN 200910014834 A CN200910014834 A CN 200910014834A CN 101538434 A CN101538434 A CN 101538434A
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Abstract
The invention relates to fluorocarbon finish paint for the corrosion protection of wind power equipment and a preparation method thereof, belonging to the technical field of the coating. The fluorocarbon finish paint for the corrosion protection of the wind power equipment comprises coating and solidified agents, wherein the using amount of the solidified agents is 7-12 percent of the weight of the coating, the coating is prepared from the following raw materials by weight percent: 55-75 of fluorocarbon resins, 0-10 of epoxide resins, 10-30 of pigment fillers, 0.01-2 of dispersing agents, 0.01-0.5 of flatting agents, 0.01-0.3 of siccatives, 0-5 of other auxiliary agents and 10-30 of mixed organic solvents. The fluorocarbon finish paint for the corrosion protection of the wind power equipment can replace acrylic polyurethane coating universally used in the market and obviously enhance the corrosion protection effect of the wind power equipment on the basis of no change of an original coating technique, thereby having markedly prolonged service life.
Description
Technical field
It is anticorrosion with coating and preparation method thereof, particularly a kind of fluorocarbon finish paint for corrosion protection of wind power equipment and preparation method thereof to the present invention relates to a kind of wind-power electricity generation.
Background technology
Wind power plant mainly is made up of blade, blower fan and pylon, and wherein pylon is the main position that needs application.The residing wind field in wind power station is the abominable outdoor environments of natural condition, and throughout the year wind-force is more than 4 grades, and with dust storm, pylon can be subjected to tanning by the sun strongly of daylight here, the invasion and attack of weather, ice and snow, and be subjected to the influence of cold current and high temperature variation; For the pylon that is located in the seashore, also can be subjected to the erosion of steam, salt fog and splashing of the seawater spray, very easily corroded.Therefore, anticorrosion is the outstanding problem that each wind power station is concerned about, outstanding corrosionproof protection can be guaranteed the work-ing life that wind power plant is longer, need not keep in repair continually, thus the maintenance difficulty and the maintenance cost of reduction anticorrosive coating.So usually the coating that selection can long-effective protection prolongs time to first overhaul as far as possible.For wind power generation plant, design service life near or be 50 years, suggestion anticorrosion of steel structure application Life Design was not less than 25 years, surpassed 50 years, was not less than life 30 years.The maximum supporting system of coating of China's employing at present is epoxy (primary coat)/acroleic acid polyurethane coating (face is coated with).And be 5～10 years the working life of existing acroleic acid polyurethane coating, surpasses working life, and coating shows as rapid loss of gloss, variable color, and the various barrier propterties of filming sharply reduce until disappearance, are subjected to the degradation of the wind power plant of its protection, so that stop work.To the pylon of wind-power electricity generation, after anticorrosion of steel structure lost efficacy,, safeguard same difficult and cost height because of relating to working aloft, situation such as out of commission.
Application number is that 200710303467.3 the described surface insulation varnish paint for wind power generation of Chinese patent " a kind of surface insulation varnish paint for wind power generation and preparation method thereof " can only use tetrafluoro resin, and the weather resisteant of made enamel paint can have only 2500～2800 hours, salt fog resistance has only 1300～1500 hours, and use deleterious dimethylbenzene in the production preparation process and make solvent, bigger to production operation workman and construction application personnel's harm.
Therefore it is particularly important to develop a kind of new coating with good weathering resistance, water tolerance, sticking power and antiseptic property.
Summary of the invention
In order to overcome the deficiency of above technology, the invention provides a kind of fluorocarbon finish paint for corrosion protection of wind power equipment, under the prerequisite that does not change former coating process, the supporting system epoxy of former application (primary coat)/acroleic acid polyurethane coating (face is coated with) is changed into epoxy (primary coat)/fluorocarbon coating (face is coated with) system, can significantly improve the anticorrosion protection time limit of paint coatings, thereby prolong the overhaul time limit of wind power plant, improve generating efficiency.The present invention also provides the preparation method of described fluorocarbon finish paint for corrosion protection of wind power equipment.
The present invention is achieved by the following technical solutions:
Described fluorocarbon finish paint for corrosion protection of wind power equipment is made up of coating part and curing agent part, and hardener dose accounts for 7～12% of coating part weight.
Described coating partly contains following components in weight percentage:
Fluorocarbon resin 55～75%, Resins, epoxy 0～10%, color stuffing 10～30%, dispersion agent 0.01～2%, flow agent 0.01～0.5%, siccative 0.01～0.3%, anti-settling agent 0～5%, organic solvent 10～30%; Described solidifying agent is the aliphatic polymeric isocyanate class.
Described fluorocarbon resin is preferably FEVE normal temperature cured type three fluoro-resin and/or tetrafluoro resin, and hydroxyl value is that 20～80mgKOH/g, acid number are 0～12mgKOH/g, its fluorine content (wt) 〉=24%, solid content 〉=50%.
Described Resins, epoxy is preferably bisphenol A-type, molecular weight≤500, and oxirane value＞0.40, normal temperature is down for liquid; Described solidifying agent is HDI biuret and/or HDI tripolymer.
Described dispersion agent is preferably silicone based or the polyacrylate(s) dispersion agent; Described siccative is preferably organic tin or zinc octoate class siccative; Described flow agent is preferably silicone based or the polyacrylate(s) flow agent; Described organic solvent is preferably two or more in ester class, ketone, the ether-ether class; Described anti-settling agent is preferably organobentonite.
The preparation method of above-mentioned fluorocarbon finish paint for corrosion protection of wind power equipment is:
(1) in container, add fluorocarbon resin, Resins, epoxy, dispersion agent, color stuffing, the anti-settling agent of formula ratio respectively, it is uniformly dispersed through the sand mill sand milling again with dispersion machine, the discharging fineness of control material, the discharging fineness is preferred≤20 μ m;
(2) flow agent, siccative and the organic solvent of adding formula ratio are uniformly dispersed, and promptly get the coating part of product of the present invention;
(3) it is partially mixed evenly to get the solidifying agent of formula ratio and the above-mentioned coating that makes, and adds thinner and adjusts viscosity, promptly makes product of the present invention.
Product of the present invention is compared with existing acroleic acid polyurethane coating product has following characteristics:
1, ageing-resistant performance, the outdoor ageing-resistant performance of acrylic coating is 5～8 years, and the outdoor ageing-resistant performance of fluorocarbon coating is 15～20 years.Under same requirement for anticorrosion condition, can reduce the execution of coating pass, reduce construction cost.
2, non-corrosibility and chemical stability, fluorocarbon coating can anti-10% sulfuric acid, caustic soda, hydrochloric acid, dimethylbenzene soak and reach 7 days more than, have remarkable anti-oxidant, anticorrosion, chemical resistance-antirust, corrosion resistance nature.Solve problems such as metallic substance is anticorrosion, oil resistant, in the work-ing life of having improved material, lowered cost.Acrylic coating does not then far reach this requirement.
3, didirtresistance and not viscosity, the shell that the fluoro-resin C-C main chain of fluorocarbon coating is formed by fluorine atom surrounds, formed a complete right cylinder, make that the fluoropolymer inter-molecular attraction is very little, add spiral helicine molecular structure, intermolecular being easy to slided, frictional coefficient is low, surface energy is low, has unique non-adhering surfaces, can alleviate the windage of blade of wind-driven generator.Acrylic coating does not have this performance.
4, splendid water-repellancy, waterproof, anti-damp and hot, the anti-alternation of wetting and drying ability of paint film is strong, paint film no change after experiment in 200 hours, the washability number of times has extremely strong water tolerance up to 20000 times.Be particluarly suitable for the frequent and rainwater of alternation of wetting and drying, the zone use of water wave.
5, heat-resisting cold-resistant, stand the test of severe cold and heat, in-40～140 ℃ of temperature ranges, can normally use, not scaling, wrinkle resistant, do not come off, do not ftracture.
6, the film resistance value of (build is 501 μ m) of You Yi electrical insulation properties, tetrafluoro fluorocarbon coating is: 500～1000 megaohms, the acrylic acid coatings of same thickness then is: 8～12 megaohms.
7, product of the present invention does not use the bigger xylene solvent of toxic in production and application process, has environmental-protecting performance preferably.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
Add the 580g tetrafluoro resin in the stainless cylinder of steel of 1.5L, the hydroxyl value of this tetrafluoro resin is that 40mgKOH/g, acid number are 3mgKOH/g, its fluorine content (wt) 34.5%, solid content 52%; 40g Resins, epoxy, the oxirane value of Resins, epoxy are 0.44, and molecular weight is 380, bisphenol A type epoxy resin; And 5g polyacrylate(s) dispersant B YK-161,230g rutile titanium white powder, 15g organobentonite, after high speed dispersion, through the sand mill sand milling to fineness≤15 μ m dischargings, add 2g polyacrylate(s) flow agent BYK-300,1.5g dibutyl tin laurate siccative, 30g butylacetate, 40g methyl iso-butyl ketone (MIBK), 56.5g propylene glycol methyl ether acetate, being uniformly dispersed obtains corrosion protection of wind power equipment and coats with lacquer with white fluorine carbon.Get the 100g above-mentioned coating and 8.5g biuret solidifying agent mixes, add thinner and adjust viscosity, spraying making sheet detects performance.
Embodiment 2
Add 720g three fluoro-resin in the stainless cylinder of steel of 1.5L, the hydroxyl value of this tetrafluoro resin is that 60mgKOH/g, acid number are 11mgKOH/g, its fluorine content (wt) 24.5%, solid content 52%; 10g Resins, epoxy, the oxirane value of Resins, epoxy are 0.56, and molecular weight is 330 bisphenol A type epoxy resin; And 5g polyacrylate(s) dispersant B YK-161,50g everbright fast red pigment, 3g organobentonite, after high speed dispersion, through the sand mill sand milling to fineness≤12 μ m dischargings, add the silicone based flow agent BYK-306 of 2g, 1g dibutyl tin laurate siccative, 130g butylacetate, 79g propylene glycol methyl ether acetate, being uniformly dispersed obtains corrosion protection of wind power equipment large red fluorine carbon lacquer.Get the 100g above-mentioned coating and the 12gHDI trimer curing agent mixes, add thinner and adjust viscosity, spraying making sheet detects performance.
Embodiment 3
In the stainless cylinder of steel of 1.5L, add the 630g tetrafluoro resin, the hydroxyl value of this tetrafluoro resin is 30mgKOH/g, acid number is 11mgKOH/g, its fluorine content (wt) 35%, solid content 51%, the 55g oxirane value is 0.51, molecular weight is 210 bisphenol A type epoxy resin, and the silicone based dispersion agent 904S of 5g, 120g rutile titanium white powder, the dark green pigment of 15g phthalein, the 4g organobentonite, after high speed dispersion, through the sand mill sand milling to fineness≤20 μ m dischargings, add 2g polyacrylate(s) flow agent BYK-300,3g zinc octoate siccative, the 70g butylacetate, the 40g methyl iso-butyl ketone (MIBK), the 56g propylene glycol methyl ether acetate, being uniformly dispersed obtains corrosion protection of wind power equipment light green fluorine carbon lacquer.Get the 100g above-mentioned coating and 8.5g biuret solidifying agent mixes, add thinner and adjust viscosity, spraying making sheet detects performance.
Embodiment 4
In the stainless cylinder of steel of 1.5L, add 700g three fluoro-resin, the hydroxyl value of this three fluoro-resin is 75mgKOH/g, acid number is 5mgKOH/g, its fluorine content (wt) 24%, solid content 〉=51.5%, the 80g oxirane value is 0.56, molecular weight is 180 bisphenol A type epoxy resin, and 3.5g polyacrylate(s) dispersant B YK-163,100g rutile titanium white powder, 0.5g carbon black, the 5g organobentonite, after high speed dispersion, through the sand mill sand milling to fineness≤15 μ m dischargings, add the silicone based flow agent BYK-306 of 3g, 1g dibutyl tin laurate siccative, the 30g butylacetate, the 77g methyl iso-butyl ketone (MIBK) is even through stirring at low speed, obtains corrosion protection of wind power equipment and coats with lacquer with light grey fluorine carbon.Get the 100g above-mentioned coating and the 11.5gHDI trimer curing agent mixes, add thinner and adjust viscosity, spraying making sheet detects performance.
The fluorocarbon finish paint for corrosion protection of wind power equipment of the foregoing description and existing acroleic acid polyurethane coating and patent 200710303467.3 products have been carried out performance test, and data are as follows:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Acroleic acid polyurethane coating | Patented product | |
| Solvent solvend fluorine content | 32.2％ | 24.1％ | 33.9％ | 21％ | 0 | Do not survey |
| Benzene kind solvent | Do not have | Do not have | Do not have | Do not have | A large amount of benzene kind solvents | A large amount of benzene kind solvents |
| Acid resistance, 10% sulfuric acid | The 240h no change | The 240h no change | The 240h no change | The 240h no change | 127h variable color, foaming | Do not survey |
| Alkali resistance 10%NaOH | The 240h no change | The 240h no change | The 240h no change | The 240h no change | 3.5h variable color, foaming | Do not survey |
| Humidity resistance | The 2000h no change | The 2000h no change | The 2000h no change | The 2000h no change | 670h loss of gloss, foaming | The 1500h no change |
| Salt fog resistance | 2000h is non-foaming, non-corrosive, do not come off | 2000h is non-foaming, non-corrosive, do not come off | 2000h is non-foaming, non-corrosive, do not come off | 2000h is non-foaming, non-corrosive, do not come off | 860h slightly bubbles, gets rusty | 1500h is non-foaming, non-corrosive, do not come off |
| Weathering resistance, artificial accelerated aging | 5000h variable color≤1 grade, efflorescence≤1 grade | 5000h variable color≤1 grade, efflorescence≤1 grade | 5000h variable color≤1 grade, efflorescence≤1 grade | 5000h variable color≤1 grade, efflorescence≤1 grade | 1000h variable color≤2 grade, efflorescence≤1 grade | 2800h variable color≤2 grade, efflorescence≤1 grade |
Claims (7)
1. fluorocarbon finish paint for corrosion protection of wind power equipment is characterized in that: be made up of coating part and curing agent part, hardener dose accounts for 7～12% of coating part weight.
2. fluorocarbon finish paint for corrosion protection of wind power equipment according to claim 1 is characterized in that: described coating partly contains following components in weight percentage:
Fluorocarbon resin 55～75%, Resins, epoxy 0～10%, color stuffing 10～30%, dispersion agent 0.01～2%, flow agent 0.01～0.5%, siccative 0.01～0.3%, anti-settling agent 0～5%, organic solvent 10～30%;
Described solidifying agent is the aliphatic polymeric isocyanate class.
3. fluorocarbon finish paint for corrosion protection of wind power equipment according to claim 1 and 2, it is characterized in that: described fluorocarbon resin is FEVE normal temperature cured type three fluoro-resin and/or tetrafluoro resin, hydroxyl value is that 20～80mgKOH/g, acid number are 0～12mgKOH/g, its fluorine content (wt) 〉=24%, solid content 〉=50%.
4. fluorocarbon finish paint for corrosion protection of wind power equipment according to claim 1 and 2 is characterized in that: described Resins, epoxy is bisphenol A-type, molecular weight≤500, and oxirane value＞0.40, normal temperature is down for liquid; Described solidifying agent is HDI biuret and/or HDI tripolymer.
5. fluorocarbon finish paint for corrosion protection of wind power equipment according to claim 1 and 2 is characterized in that: described dispersion agent is silicone based or the polyacrylate(s) dispersion agent; Described siccative is organic tin or zinc octoate class siccative; Described flow agent is silicone based or the polyacrylate(s) flow agent; Described organic solvent is two or more in ester class, ketone, the ether-ether class; Described anti-settling agent is an organobentonite.
6. the preparation method of the described fluorocarbon finish paint for corrosion protection of wind power equipment of claim 1 is characterized in that may further comprise the steps:
(1) in container, add fluorocarbon resin, Resins, epoxy, dispersion agent, color stuffing, the anti-settling agent of formula ratio respectively, it is uniformly dispersed with dispersion machine, again through the sand mill sand milling, the discharging fineness of control material;
(2) flow agent, siccative and the organic solvent of adding formula ratio are uniformly dispersed, and promptly get the coating part of product of the present invention;
(3) it is partially mixed evenly to get the solidifying agent of formula ratio and the above-mentioned coating that makes, and adds thinner and adjusts viscosity, promptly makes product of the present invention.
7. the preparation method of fluorocarbon finish paint for corrosion protection of wind power equipment according to claim 6 is characterized in that: control discharging fineness≤20 μ m in the step (3).
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| CN200910014834A CN101538434A (en) | 2009-04-28 | 2009-04-28 | Fluorocarbon finish paint for corrosion protection of wind power equipment and preparation method thereof |
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| CN200910014834A CN101538434A (en) | 2009-04-28 | 2009-04-28 | Fluorocarbon finish paint for corrosion protection of wind power equipment and preparation method thereof |
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| CN101805549A (en) * | 2010-05-06 | 2010-08-18 | 李会芹 | Wind power generation blade paint and manufacturing method thereof |
| CN101942250A (en) * | 2010-08-24 | 2011-01-12 | 上海雅达特种涂料有限公司 | Fluorocarbon coating |
| CN102181209A (en) * | 2011-05-25 | 2011-09-14 | 淄博应强化工科技有限公司 | Protective coating for wind wheel blade of wind generating set and preparation method thereof |
| CN102229768A (en) * | 2011-06-14 | 2011-11-02 | 东来涂料技术（上海）有限公司 | Anticorrosive decorative fluorocarbon paint and preparation method thereof |
| CN102382524A (en) * | 2011-08-26 | 2012-03-21 | 中国石油天然气集团公司 | Antiscale anticorrosion paint for inner wall of fluorine-carbon epoxy resin compound oil tube |
| CN102517537A (en) * | 2011-12-24 | 2012-06-27 | 山西银河镀锌有限公司 | Method for composite coating of wind generating set brake disc |
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| CN101805549B (en) * | 2010-05-06 | 2012-08-22 | 李会芹 | Wind power generation blade paint and manufacturing method thereof |
| CN101805549A (en) * | 2010-05-06 | 2010-08-18 | 李会芹 | Wind power generation blade paint and manufacturing method thereof |
| CN101942250A (en) * | 2010-08-24 | 2011-01-12 | 上海雅达特种涂料有限公司 | Fluorocarbon coating |
| CN102774114B (en) * | 2011-05-10 | 2015-04-29 | 上海建冶科技工程股份有限公司 | Metal anticorrosion coating and electric arc spraying process thereof |
| CN102774114A (en) * | 2011-05-10 | 2012-11-14 | 上海建冶科技工程股份有限公司 | Metal anticorrosion coating and electric arc spraying process thereof |
| CN102181209A (en) * | 2011-05-25 | 2011-09-14 | 淄博应强化工科技有限公司 | Protective coating for wind wheel blade of wind generating set and preparation method thereof |
| CN102229768A (en) * | 2011-06-14 | 2011-11-02 | 东来涂料技术（上海）有限公司 | Anticorrosive decorative fluorocarbon paint and preparation method thereof |
| CN102229768B (en) * | 2011-06-14 | 2013-05-01 | 东来涂料技术（上海）有限公司 | Anticorrosive decorative fluorocarbon paint and preparation method thereof |
| CN102382524B (en) * | 2011-08-26 | 2013-08-14 | 中国石油天然气集团公司 | Antiscale anticorrosion paint for inner wall of fluorine-carbon epoxy resin compound oil tube |
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| CN102517537A (en) * | 2011-12-24 | 2012-06-27 | 山西银河镀锌有限公司 | Method for composite coating of wind generating set brake disc |
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| CN104108209A (en) * | 2014-07-04 | 2014-10-22 | 常熟华冶薄板有限公司 | Waterproof corrosion-resistant color coating steel plate and preparation method thereof |
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| CN106243797A (en) * | 2016-07-28 | 2016-12-21 | 苏州明轩地坪涂料有限公司 | A kind of high efficient water-proof painting material |
| CN106246460A (en) * | 2016-08-26 | 2016-12-21 | 上海麦加涂料有限公司 | A kind of leading edge protection system used for blades of wind driven generator and blade of wind-driven generator |
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| CN106423797A (en) * | 2016-09-20 | 2017-02-22 | 江苏中车电机有限公司 | Spraying method for antiseptic paint on surface of stator of MW-level permanent magnetic direct-driven wind turbine generator |
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| CN109836917A (en) * | 2019-02-26 | 2019-06-04 | 国网河南省电力公司西峡县供电公司 | A kind of outdoor power equipment protective coating and preparation method thereof |
| CN115846174A (en) * | 2022-11-30 | 2023-03-28 | 广东合拓新材料科技有限公司 | Preparation process of high-strength multilayer composite aluminum veneer |
| CN115895351A (en) * | 2022-12-01 | 2023-04-04 | 安徽江锐新材料有限公司 | Wet-spraying high-film-thickness FEVE fluorocarbon baking paint and preparation method thereof |
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