CN116254026A - Zero-energy-consumption passive cooling coating and preparation method thereof - Google Patents
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- C—CHEMISTRY; METALLURGY
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract
Description
技术领域technical field
本发明涉及涂料技术领域，特别涉及一种零能耗被动降温涂料、涂层及其制备方法。The invention relates to the technical field of coatings, in particular to a zero-energy passive cooling coating, a coating and a preparation method thereof.
背景技术Background technique
因气候变化带来了全球范围的气温变化和自然灾害的频发，在东亚、非洲、美洲等地多次出现了的高温和热浪。以空调为代表的传统降温方式需要消耗大量电能、产生额外的净能量，从而进一步加剧CO2等排放气体的温室效应；据不完全统计，我国拥空调耗能占全国电耗的15%左右，夏季用电高峰期达到40%，因此制冷空调方面的节能降耗 ,以及研究开发低污染、低能耗的新能源、新方法、新技术,是当前刻不容缓的课题，开发一种具有高效的零能耗被动降温涂料具有重要意义。Because climate change has brought about global temperature changes and frequent natural disasters, high temperatures and heat waves have occurred many times in East Asia, Africa, and the Americas. Traditional cooling methods represented by air conditioners need to consume a large amount of electric energy and generate additional net energy, thereby further aggravating the greenhouse effect of CO 2 and other emissions; according to incomplete statistics, the energy consumption of air conditioners in China accounts for about 15% of the country's electricity consumption. The peak period of electricity consumption in summer reaches 40%. Therefore, energy saving and consumption reduction in refrigeration and air conditioning, as well as research and development of new energy sources, new methods, and new technologies with low pollution and low energy consumption, are currently urgent topics. Developing a highly efficient zero-energy It is of great significance to consume passive cooling coatings.
为此，本申请设计了一种零能耗被动降温涂料，以解决上述问题。For this reason, the present application designs a zero-energy passive cooling paint to solve the above problems.
发明内容Contents of the invention
本发明为了弥补现有技术中的不足，提供了一种零能耗被动降温涂料、涂层及其制备方法。In order to make up for the deficiencies in the prior art, the invention provides a zero-energy passive cooling paint, a coating and a preparation method thereof.
一种零能耗被动降温涂料，其特征在于，按重量份计原料组分为：A zero-energy passive cooling coating is characterized in that the raw material components are:
水性丙烯酸树脂15-30 份、纳米碳酸钙8-15 份、空心玻璃珠 5-10份、陶瓷粉5-10份、三氧化二铝8-15份、液态二氧化硅 4-8份、分散剂1-3 份、流平剂 1-3 份、增稠剂0.1-1份、闪蒸防锈剂 2-6份、纯净水 15-30 份。15-30 parts of water-based acrylic resin, 8-15 parts of nano calcium carbonate, 5-10 parts of hollow glass beads, 5-10 parts of ceramic powder, 8-15 parts of aluminum oxide, 4-8 parts of liquid silicon dioxide, dispersed 1-3 parts of agent, 1-3 parts of leveling agent, 0.1-1 part of thickener, 2-6 parts of flash antirust agent, 15-30 parts of purified water.
基于上述的降温涂料，其制备方法为：Based on above-mentioned cooling paint, its preparation method is:
将纳米碳酸钙、空心玻璃珠、陶瓷粉、三氧化二铝、液态二氧化硅、分散剂、流平剂、闪蒸防锈剂、纯净水，在搅拌机中以600r/min转速搅拌20分钟，得到混合溶液；随后加入水性丙烯酸树脂，在搅拌机中以600r/min转速搅拌35分钟，在搅拌状态下逐步加入增稠剂以调节粘度，搅拌均匀后即可制备出一种零能耗被动降温涂料。Mix nano-calcium carbonate, hollow glass beads, ceramic powder, aluminum oxide, liquid silicon dioxide, dispersant, leveling agent, flash anti-rust agent, and pure water in a mixer at a speed of 600r/min for 20 minutes. Obtain a mixed solution; then add water-based acrylic resin, stir in a mixer at a speed of 600r/min for 35 minutes, gradually add a thickener to adjust the viscosity under stirring, and prepare a zero-energy passive cooling coating after stirring evenly .
基于上述的降温涂料，涂覆于物体表面后得到零能耗被动降温涂层。Based on the above-mentioned cooling coating, a zero-energy passive cooling coating is obtained after being coated on the surface of an object.
进一步地，为了更好的实现本发明，所述涂层的厚度为 300μm以上。涂层的太阳反射率 97％以上，在太阳照射的时段，涂敷涂料的碳钢板，涂层表面温度低于环境气温3～15℃。Further, in order to better realize the present invention, the thickness of the coating is more than 300 μm. The solar reflectance of the coating is more than 97%. During the period of sunlight, the surface temperature of the coated carbon steel plate is 3-15°C lower than the ambient air temperature.
本发明的有益效果是：The beneficial effects of the present invention are:
本发明的零能耗被动降温涂料，将阻隔型、反射型、辐射制冷三类降温技术融合在一起进行优化，达到零能耗被动降温功能，满足大型建筑物、钢结构厂房、油气储罐、通讯基站、变电站、冷链物流等有被动降温需求的场所的应用。与现有的降温涂料相比，具有如下的明显优势：能够使得涂层广泛应用于金属基材及混泥土表面；太阳反射率不低于97％，高于现有的反射降温涂料的太阳反射率；在夏季正午阳光直射下，零能耗被动降温涂料涂料具有强的表面温度低于环境气温3～15℃的制冷效果。The zero-energy passive cooling coating of the present invention integrates and optimizes three types of cooling technologies: barrier type, reflective type, and radiative cooling, so as to achieve the zero-energy passive cooling function and meet the requirements of large buildings, steel structure workshops, oil and gas storage tanks, Applications in communication base stations, substations, cold chain logistics and other places that require passive cooling. Compared with the existing cooling coatings, it has the following obvious advantages: the coating can be widely used on metal substrates and concrete surfaces; the solar reflectance is not less than 97%, which is higher than the solar reflection of the existing reflective cooling coatings rate; under direct sunlight at noon in summer, the zero-energy passive cooling coating has a strong cooling effect that the surface temperature is 3-15°C lower than the ambient temperature.
附图说明Description of drawings
图1为本发明的试验场景图；Fig. 1 is a test scene diagram of the present invention;
图2为本发明的试验数据表。Fig. 2 is the test data table of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
目前降温涂料的种类有三种阻隔型、反射型、辐射型；阻隔型降温涂料是通过涂料自身的高热阻来实现隔热的一种涂料。在制备涂料时主要选择低热导率物质及在涂料成膜后引入热导率低的空气。常用的阻热填料有空心玻璃珠、空心陶瓷粉、空心纤维、海泡石、蛭石、珍珠岩等。At present, there are three types of cooling coatings: barrier type, reflective type, and radiation type; the barrier type cooling coating is a coating that achieves heat insulation through the high thermal resistance of the coating itself. When preparing coatings, mainly select materials with low thermal conductivity and introduce air with low thermal conductivity after the coating is formed into a film. Commonly used heat-resistant fillers include hollow glass beads, hollow ceramic powder, hollow fibers, sepiolite, vermiculite, perlite, etc.
反射型降温涂料是在涂料中添加超细微孔材料、中空玻璃或陶瓷微珠，通过选择合适的树脂、金属、或金属氧化物颜、填料及生产工艺，制得高反射率涂层，反射太阳光来达到隔热目的。Reflective cooling coatings are made by adding ultra-fine microporous materials, hollow glass or ceramic microbeads to the coatings, and by selecting suitable resins, metals, or metal oxide pigments, fillers and production processes, high reflectivity coatings are obtained. sunlight to achieve thermal insulation purposes.
辐射降温涂料主要是把吸收的日照光线和热量以一定波长发射到空气中。其使用的材料为多种金属氧化物，如三氧化二铝、二氧化硅、三氧化二钴、氧化铜等反射型尖晶石掺杂物。The radiation cooling coating mainly emits the absorbed sunlight and heat into the air at a certain wavelength. The material used is a variety of metal oxides, such as reflective spinel dopants such as aluminum oxide, silicon dioxide, cobalt oxide, and copper oxide.
本实施例将阻隔型、反射型、辐射制冷三类降温技术融合在一起进行优化，涂层在大气窗口的选择性红外辐射进而提高涂层材料在整个红外区域的红外辐射率。In this embodiment, the barrier type, reflective type, and radiative cooling technologies are integrated and optimized, and the selective infrared radiation of the coating in the atmospheric window further improves the infrared radiation rate of the coating material in the entire infrared region.
本实施例将纳米碳酸钙12份、空心玻璃珠8份、陶瓷粉6份、三氧化二铝6份、液态二氧化硅5份、分散剂1.5份、流平剂1.5份、闪蒸防锈剂4份、纯净水30份，在搅拌机中以600r/min转速搅拌20分钟，得到混合溶液；随后加入水性丙烯酸树脂25份，在搅拌机中以600r/min转速搅拌35分钟，在搅拌状态下逐步加入增稠剂1份以调节粘度，搅拌均匀后即可制备出一种零能耗被动降温涂料。In this example, 12 parts of nano-calcium carbonate, 8 parts of hollow glass beads, 6 parts of ceramic powder, 6 parts of aluminum oxide, 5 parts of liquid silicon dioxide, 1.5 parts of dispersant, 1.5 parts of leveling agent, flash antirust 4 parts of agent and 30 parts of pure water were stirred in a mixer at a speed of 600r/min for 20 minutes to obtain a mixed solution; then 25 parts of water-based acrylic resin were added and stirred in a mixer at a speed of 600r/min for 35 minutes. 1 part of thickener is added to adjust the viscosity, and after uniform stirring, a zero-energy passive cooling coating can be prepared.
如图1所示，对基站通讯柜试验，涂覆降温涂料前后对比试验数据如图2所示，测试时间：2022/8/24-2022/8/25，连续进行2天，可以看出，应用本实施例的涂料涂层的变电箱比未应用本实施例的变电箱内部温度最高降低8.5℃。As shown in Figure 1, for the base station communication cabinet test, the comparison test data before and after coating the cooling paint is shown in Figure 2, the test time: 2022/8/24-2022/8/25, for 2 consecutive days, it can be seen that, The internal temperature of the transformer box applied with the paint coating of this embodiment is 8.5° C. lower than that of the transformer box not applied with this embodiment.
最后说明的是，以上实施例仅用以说明本发明的技术方案而非限制，本领域普通技术人员对本发明的技术方案所做的其他修改或者等同替换，只要不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。Finally, it is noted that the above embodiments are only used to illustrate the technical solution of the present invention without limitation, other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention, as long as they do not depart from the spirit and spirit of the technical solution of the present invention All should be included in the scope of the claims of the present invention.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010240570A (en) * | 2009-04-04 | 2010-10-28 | Sk Kaken Co Ltd | Coating method |
| CN114350218A (en) * | 2022-01-25 | 2022-04-15 | 南京宁智高新材料研究院有限公司 | Functional coating with frosted texture, high reflection and high radiation and preparation method thereof |
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2022
- 2022-12-22 CN CN202211653447.XA patent/CN116254026A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010240570A (en) * | 2009-04-04 | 2010-10-28 | Sk Kaken Co Ltd | Coating method |
| CN114350218A (en) * | 2022-01-25 | 2022-04-15 | 南京宁智高新材料研究院有限公司 | Functional coating with frosted texture, high reflection and high radiation and preparation method thereof |
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Application publication date: 20230613 |