CN116200119B - Preparation method of quick-drying super-hydrophobic coating for wind turbine blades - Google Patents
Preparation method of quick-drying super-hydrophobic coating for wind turbine blades Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 20
- 238000001035 drying Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 5
- PYJJCSYBSYXGQQ-UHFFFAOYSA-N trichloro(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl PYJJCSYBSYXGQQ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910021642 ultra pure water Inorganic materials 0.000 claims abstract description 22
- 239000012498 ultrapure water Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical group 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 108010009736 Protein Hydrolysates Proteins 0.000 abstract 1
- 239000000413 hydrolysate Substances 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 238000003760 magnetic stirring Methods 0.000 description 11
- 230000002209 hydrophobic effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000010248 power generation Methods 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 241000238631 Hexapoda 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
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Abstract
Description
技术领域：Technical field:
本发明属于风力叶片表面疏水处理技术领域，特别涉及一种速干型风力机叶片用超疏水涂料的制备方法。The invention belongs to the technical field of hydrophobic treatment of wind blade surfaces, and in particular relates to a method for preparing a quick-drying super-hydrophobic coating for wind turbine blades.
背景技术：Background technique:
风能属于可再生能源，在自然界中广泛存在，相较于化石能源，更容易获得和利用，因此，风电在清洁能源领域中占据着重要地位。Wind energy is a renewable energy source that is widely present in nature. Compared with fossil energy, it is easier to obtain and utilize. Therefore, wind power occupies an important position in the field of clean energy.
风机叶片作为风力发电设备中的重要组成之一，其强度、耐候性对设备的长期稳定运行有着重要意义。近年来，随着风力发电设备装机量持续增长、安装区域的不断扩大，风力发电设备稳定运行面临着诸多挑战。风机叶片长期工作过程中，会受到风沙、飞虫、冰雪等多种因素的影响，导致叶片表面各项性能指标下降，特别是风机叶片表面覆盖的雨雪，不仅会降低发电机的发电效率，同时也会降低风力叶片的使用寿命，影响设备长期的安全运行。因此，开发一种使用方便、成本低廉的自清洁技术，对延长风机叶片寿命、提高风力发电的经济效益有着重要的意义。As one of the important components of wind power generation equipment, the strength and weather resistance of wind turbine blades are of great significance to the long-term stable operation of the equipment. In recent years, with the continuous growth of installed capacity of wind power generation equipment and the continuous expansion of installation areas, the stable operation of wind power generation equipment faces many challenges. During the long-term operation of wind turbine blades, they will be affected by various factors such as wind and sand, flying insects, ice and snow, resulting in a decrease in various performance indicators on the surface of the blades. In particular, rain and snow covering the surface of wind turbine blades will not only reduce the power generation efficiency of the generator, but also reduce the service life of the wind blades, affecting the long-term safe operation of the equipment. Therefore, the development of an easy-to-use, low-cost self-cleaning technology is of great significance to extending the life of wind turbine blades and improving the economic benefits of wind power generation.
受到荷叶不沾水现象的启发，人们对疏水、超疏水领域进行了深入研究，其中使得常规材料拥有超疏水特征的涂层技术引起了多行业的广泛关注。为了赋予风机叶片具有超疏水特性，常规策略主要分为材料表面微米/纳米形貌的构建和低表面张力材料的使用。材料表面微米/纳米结构的构建通常步骤较为复杂，而现有的低表面张力材料虽然制备流程较为简单，但是很难同时满足成本、环保和使用便捷性等诸多要求，其中硅基化合物是常用的改变材料表面化学性质的原料，通过反应条件、有机硅化学性质等的调整，可以在材料表面产生多种不同的结构，从而改变材料表面化学性质，因此，采用硅基化合物，可以有效赋予风机叶片的疏水、自清洁性能。但是传统疏水硅基化合物的制备方式如“溶胶-凝胶”法，在制备过程中通常需要添加大量的水，这不仅会造成水解反应后形成的纳米颗粒浓度较低，需要多次涂覆工序才能使得基材达到满意的疏水性，而且由于水的干燥过程较长，工序更加费时，并且由于风机叶片位于户外且距底面较高，后期叶片疏水性维护成本较高。因此，迫切需要开发一种适用于风机叶片上的成本低廉、施工便捷的环保型疏水涂料。Inspired by the phenomenon that lotus leaves do not get wet, people have conducted in-depth research in the field of hydrophobicity and super-hydrophobicity. Among them, the coating technology that makes conventional materials have super-hydrophobic characteristics has attracted widespread attention from many industries. In order to give wind turbine blades super-hydrophobic properties, conventional strategies are mainly divided into the construction of micron/nano morphology on the surface of materials and the use of low surface tension materials. The construction of micron/nano structures on the surface of materials usually has complicated steps. Although the preparation process of existing low surface tension materials is relatively simple, it is difficult to meet many requirements such as cost, environmental protection and ease of use at the same time. Among them, silicon-based compounds are commonly used raw materials for changing the surface chemical properties of materials. By adjusting the reaction conditions, the chemical properties of silicone, etc., a variety of different structures can be produced on the surface of the material, thereby changing the surface chemical properties of the material. Therefore, the use of silicon-based compounds can effectively give wind turbine blades hydrophobic and self-cleaning properties. However, the preparation methods of traditional hydrophobic silicon-based compounds, such as the "sol-gel" method, usually require the addition of a large amount of water during the preparation process, which not only results in a low concentration of nanoparticles formed after the hydrolysis reaction, but also requires multiple coating processes to achieve satisfactory hydrophobicity of the substrate. In addition, due to the long drying process of the water, the process is more time-consuming, and since the fan blades are located outdoors and at a high altitude from the bottom, the cost of maintaining the hydrophobicity of the blades in the later stage is high. Therefore, there is an urgent need to develop a low-cost, easy-to-apply, environmentally friendly hydrophobic coating suitable for fan blades.
公开于该背景技术部分的信息仅仅旨在增加对本发明的总体背景的理解，而不应当被视为承认或以任何形式暗示该信息构成已为本领域一般技术人员所公知的现有技术。The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art.
发明内容：Summary of the invention:
本发明的目的在于提供一种速干型风力机叶片用超疏水涂料的制备方法，从而克服上述现有技术中的缺陷。The object of the present invention is to provide a method for preparing a quick-drying super-hydrophobic coating for wind turbine blades, thereby overcoming the defects in the above-mentioned prior art.
为了实现上述目的，本发明提供了一种速干型风力机叶片用超疏水涂料的制备方法，包括以下步骤：In order to achieve the above object, the present invention provides a method for preparing a quick-drying super-hydrophobic coating for wind turbine blades, comprising the following steps:
(1)按比例量取超纯水、十八烷基三氯硅烷和有机溶剂；(1) taking ultrapure water, octadecyltrichlorosilane and an organic solvent in proportion;
(2)将超纯水加入到十八烷基三氯硅烷中水解形成十八烷基三氯硅烷水解液；(2) adding ultrapure water to octadecyltrichlorosilane to hydrolyze it to form an octadecyltrichlorosilane hydrolyzate;
(3)将有机溶剂加入到十八烷基三氯硅烷水解液中搅拌均匀制成超疏水涂料。(3) Adding an organic solvent into the hydrolyzed solution of octadecyltrichlorosilane and stirring the mixture evenly to prepare a super hydrophobic coating.
进一步的，作为优选，所述步骤(1)中有机溶剂为烷类溶剂或醇类溶剂。Furthermore, preferably, the organic solvent in step (1) is an alkane solvent or an alcohol solvent.
进一步的，作为优选，所述步骤(1)中有机溶剂为正己烷、环己烷、甲醇、乙醇、异丙醇、正丁醇。Furthermore, preferably, the organic solvent in step (1) is n-hexane, cyclohexane, methanol, ethanol, isopropanol or n-butanol.
进一步的，作为优选，所述步骤(1)中超纯水和十八烷基三氯硅烷的体积比为1.5％-15％。Furthermore, preferably, in step (1), the volume ratio of ultrapure water to octadecyltrichlorosilane is 1.5%-15%.
进一步的，作为优选，所述步骤(1)中有机溶剂和十八烷基三氯硅烷的体积比为5-20。Furthermore, preferably, in step (1), the volume ratio of the organic solvent to octadecyltrichlorosilane is 5-20.
进一步的，作为优选，所述步骤(2)中超纯水加入到十八烷基三氯硅烷中后先磁力搅拌0.5-1.5小时，再超声5-15分钟。Furthermore, preferably, in step (2), after the ultrapure water is added to the octadecyltrichlorosilane, magnetic stirring is first performed for 0.5-1.5 hours, and then ultrasonication is performed for 5-15 minutes.
与现有技术相比，本发明的一个方面具有如下有益效果：Compared with the prior art, one aspect of the present invention has the following beneficial effects:
(1)本发明在反应过程中加入极少量的水，使得十八烷基三氯硅烷迅速水解产生纳米液滴，再搭配合适的有机溶剂，可极大的提高疏水涂料的干燥速度，并保证覆盖在风机叶片表面的疏水纳米颗粒聚集形成一定的微米/纳米结构，不仅可保证疏水效果，而且由于形成的纳米颗粒中含有两亲基团，因此纳米颗粒会和风机叶片表面产生较强的作用力，这种化学作用力和叶片表面形成的微米/纳米结构，可保证在恶劣的户外条件下能够保持优越的疏水性；(1) In the present invention, a very small amount of water is added during the reaction process, so that octadecyltrichlorosilane is rapidly hydrolyzed to produce nano droplets, and then a suitable organic solvent is added, which can greatly improve the drying speed of the hydrophobic coating and ensure that the hydrophobic nanoparticles covering the surface of the fan blades are aggregated to form a certain micron/nano structure, which can not only ensure the hydrophobic effect, but also because the formed nanoparticles contain amphiphilic groups, the nanoparticles will generate a strong force with the surface of the fan blade. This chemical force and the micron/nano structure formed on the blade surface can ensure that the superior hydrophobicity can be maintained under harsh outdoor conditions;
(2)本发明制备的超疏水涂料价格低廉，1公斤的涂料价格约为50元，可极大的保证使用成本，且施工工序简单，干燥速度较快，可快速完成施工。(2) The super-hydrophobic coating prepared by the present invention is inexpensive, and the price of 1 kg of the coating is about 50 yuan, which can greatly guarantee the use cost. In addition, the construction process is simple, the drying speed is fast, and the construction can be completed quickly.
具体实施方式：Detailed ways:
下面对本发明的具体实施方式进行详细描述，但应当理解本发明的保护范围并不受具体实施方式的限制。The specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
以下给出一个或多个方面的简要概述以提供对这些方面的基本理解。此概述不是所有构想到的方面的详尽综览，并且既非旨在指认出所有方面的关键性或决定性要素亦非试图界定任何或所有方面的范围。其唯一的目的是要以简化形式给出一个或多个方面的一些概念以为稍后给出的更加详细的描述之序。A brief summary of one or more aspects is given below to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceived aspects, and is neither intended to identify the key or critical elements of all aspects nor to define the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form as a prelude to a more detailed description that will be given later.
实施例1：Embodiment 1:
一种速干型风力机叶片用超疏水涂料的制备方法，包括以下步骤：A method for preparing a quick-drying super-hydrophobic coating for wind turbine blades comprises the following steps:
(1)量取0.2ml的超纯水、8ml的十八烷基三氯硅烷和100ml的正己烷备用；(1) Take 0.2 ml of ultrapure water, 8 ml of octadecyltrichlorosilane and 100 ml of n-hexane and set aside;
(2)将0.2ml的超纯水加入到8ml的十八烷基三氯硅烷中，用磁力搅拌棒搅拌1小时后再超声10分钟，使得十八烷基三氯硅烷水解形成纳米液滴；(2) adding 0.2 ml of ultrapure water to 8 ml of octadecyltrichlorosilane, stirring with a magnetic stirring bar for 1 hour and then ultrasonicating for 10 minutes to hydrolyze the octadecyltrichlorosilane to form nanodroplets;
(3)将100ml的正己烷加入到纳米液滴中，再次用磁力搅拌棒搅拌1小时后取2ml溶液喷涂与2×2cm的风机叶片表面上。(3) 100 ml of n-hexane was added to the nanodroplets, and stirred again with a magnetic stirring bar for 1 hour, and then 2 ml of the solution was sprayed on the surface of a 2×2 cm fan blade.
实施例2：Embodiment 2:
一种速干型风力机叶片用超疏水涂料的制备方法，包括以下步骤：A method for preparing a quick-drying super-hydrophobic coating for wind turbine blades comprises the following steps:
(1)量取0.4ml的超纯水、8ml的十八烷基三氯硅烷和100ml的正己烷备用；(1) Measure 0.4 ml of ultrapure water, 8 ml of octadecyltrichlorosilane and 100 ml of n-hexane for later use;
(2)将0.4ml的超纯水加入到8ml的十八烷基三氯硅烷中，用磁力搅拌棒搅拌1小时后再超声10分钟，使得十八烷基三氯硅烷水解形成纳米液滴；(2) adding 0.4 ml of ultrapure water to 8 ml of octadecyltrichlorosilane, stirring with a magnetic stirring bar for 1 hour and then ultrasonicating for 10 minutes to hydrolyze the octadecyltrichlorosilane to form nanodroplets;
(3)将100ml的正己烷加入到纳米液滴中，再次用磁力搅拌棒搅拌1小时后取2ml溶液喷涂与2×2cm的风机叶片表面上。(3) 100 ml of n-hexane was added to the nanodroplets, and stirred again with a magnetic stirring bar for 1 hour, and then 2 ml of the solution was sprayed on the surface of a 2×2 cm fan blade.
实施例3：Embodiment 3:
一种速干型风力机叶片用超疏水涂料的制备方法，包括以下步骤：A method for preparing a quick-drying super-hydrophobic coating for wind turbine blades comprises the following steps:
(1)量取1ml的超纯水、8ml的十八烷基三氯硅烷和100ml的正己烷备用；(1) Measure 1 ml of ultrapure water, 8 ml of octadecyltrichlorosilane and 100 ml of n-hexane for later use;
(2)将1ml的超纯水加入到8ml的十八烷基三氯硅烷中，用磁力搅拌棒搅拌1小时后再超声10分钟，使得十八烷基三氯硅烷水解形成纳米液滴；(2) adding 1 ml of ultrapure water to 8 ml of octadecyltrichlorosilane, stirring with a magnetic stirring bar for 1 hour and then ultrasonicating for 10 minutes to hydrolyze the octadecyltrichlorosilane to form nanodroplets;
(3)将100ml的正己烷加入到纳米液滴中，再次用磁力搅拌棒搅拌1小时后取2ml溶液喷涂与2×2cm的风机叶片表面上。(3) 100 ml of n-hexane was added to the nanodroplets, and stirred again with a magnetic stirring bar for 1 hour, and then 2 ml of the solution was sprayed on the surface of a 2×2 cm fan blade.
实施例4：Embodiment 4:
一种速干型风力机叶片用超疏水涂料的制备方法，包括以下步骤：A method for preparing a quick-drying super-hydrophobic coating for wind turbine blades comprises the following steps:
(1)量取0.2ml的超纯水、8ml的十八烷基三氯硅烷和100ml的乙醇备用；(1) Measure 0.2 ml of ultrapure water, 8 ml of octadecyltrichlorosilane and 100 ml of ethanol for later use;
(2)将0.2ml的超纯水加入到8ml的十八烷基三氯硅烷中，用磁力搅拌棒搅拌1小时后再超声10分钟，使得十八烷基三氯硅烷水解形成纳米液滴；(2) adding 0.2 ml of ultrapure water to 8 ml of octadecyltrichlorosilane, stirring with a magnetic stirring bar for 1 hour and then ultrasonicating for 10 minutes to hydrolyze the octadecyltrichlorosilane to form nanodroplets;
(3)将100ml的乙醇加入到纳米液滴中，再次用磁力搅拌棒搅拌1小时后取2ml溶液喷涂与2×2cm的风机叶片表面上。(3) 100 ml of ethanol was added to the nanodroplets, and the mixture was stirred again with a magnetic stirring bar for 1 hour, and then 2 ml of the solution was sprayed on the surface of a 2×2 cm fan blade.
实施例5：Embodiment 5:
一种速干型风力机叶片用超疏水涂料的制备方法，包括以下步骤：A method for preparing a quick-drying super-hydrophobic coating for wind turbine blades comprises the following steps:
(1)量取0.2ml的超纯水、8ml的十八烷基三氯硅烷和100ml的甲醇备用；(1) Measure 0.2 ml of ultrapure water, 8 ml of octadecyltrichlorosilane and 100 ml of methanol for later use;
(2)将0.2ml的超纯水加入到8ml的十八烷基三氯硅烷中，用磁力搅拌棒搅拌1小时后再超声10分钟，使得十八烷基三氯硅烷水解形成纳米液滴；(2) adding 0.2 ml of ultrapure water to 8 ml of octadecyltrichlorosilane, stirring with a magnetic stirring bar for 1 hour and then ultrasonicating for 10 minutes to hydrolyze the octadecyltrichlorosilane to form nanodroplets;
(3)将100ml的甲醇加入到纳米液滴中，再次用磁力搅拌棒搅拌1小时后取2ml溶液喷涂与2×2cm的风机叶片表面上。(3) 100 ml of methanol was added to the nanodroplets, and the mixture was stirred again with a magnetic stirring bar for 1 hour, and then 2 ml of the solution was sprayed on the surface of a 2×2 cm fan blade.
测试实施例1-5喷涂后风机叶片表面的接触角，户外放置1年后再次测试风机叶片表面的接触角，测试结果如下表所示：The contact angles of the fan blade surfaces after spraying in test examples 1-5 were tested, and the contact angles of the fan blade surfaces were tested again after being placed outdoors for 1 year. The test results are shown in the following table:
从表中结果可知，采用本发明的超疏水涂料涂布到风机叶片表面后，风机叶片表面的接触角可以得到较大的提升，当超纯水和十八烷基三氯硅烷体积比小于12.5％时，并且有机溶剂为正己烷时，风机叶片表面的接触角提升更为明显，并且具有较好的耐候性。主要原因是少量的超纯水能够让十八烷基三氯硅烷快速水解，形成浓度较高的纳米液滴，纳米液滴中含亲水端和疏水端，亲水端和疏水端和和风机叶片表面产生较强的作用力，这种作用力可以提高疏水涂层的耐久性。As can be seen from the results in the table, after the super-hydrophobic coating of the present invention is applied to the surface of the fan blade, the contact angle of the fan blade surface can be greatly improved. When the volume ratio of ultrapure water and octadecyl trichlorosilane is less than 12.5%, and the organic solvent is n-hexane, the contact angle of the fan blade surface is improved more significantly, and has good weather resistance. The main reason is that a small amount of ultrapure water can allow octadecyl trichlorosilane to hydrolyze rapidly to form nano droplets with a higher concentration, and the nano droplets contain hydrophilic end and hydrophobic end, and the hydrophilic end and hydrophobic end and the fan blade surface produce a strong force, which can improve the durability of the hydrophobic coating.
前述对本发明的具体示例性实施方案的描述是为了说明和例证的目的。这些描述并非想将本发明限定为所公开的精确形式，并且很显然，根据上述教导，可以进行很多改变和变化。对示例性实施例进行选择和描述的目的在于解释本发明的特定原理及其实际应用，从而使得本领域的技术人员能够实现并利用本发明的各种不同的示例性实施方案以及各种不同的选择和改变。本发明的范围意在由权利要求书及其等同形式所限定。The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and demonstration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the present invention and various different selections and changes. The scope of the present invention is intended to be limited by the claims and their equivalents.
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| JP2004307825A (en) * | 2003-03-24 | 2004-11-04 | Asahi Breweries Ltd | Colored coating agent composition for container and container coated with colored coating agent |
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| JP2004307825A (en) * | 2003-03-24 | 2004-11-04 | Asahi Breweries Ltd | Colored coating agent composition for container and container coated with colored coating agent |
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