CN102816495B - Environment-friendly nano-epoxy silicone heavy anti-corrosion coating and preparation method and using method thereof - Google Patents
Environment-friendly nano-epoxy silicone heavy anti-corrosion coating and preparation method and using method thereof Download PDFInfo
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Abstract
Description
技术领域 technical field
本发明涉及涂料,特别涉及一种环保型纳米环氧硅重防腐涂料及其制备方法和使用方法。The invention relates to coatings, in particular to an environment-friendly nano-epoxy silicon heavy-duty anti-corrosion coating and its preparation method and application method.
背景技术 Background technique
随着海洋经济的迅速发展,利用海洋空间的进程加速,海洋结构工程,如防浪堤、码头、海上空港、海底隧道和跨海大桥等应用愈来愈广泛。与此同时,由于海水长期浸泡、侵蚀、风浪和潮汐的冲击,海洋结构工程腐蚀问题也日趋突出,严重危害着海洋结构工程的安全性和耐久性。因此,海洋结构工程的腐蚀防护问题愈来愈受到重视。With the rapid development of the marine economy, the process of using marine space is accelerating, and marine structural engineering, such as breakwaters, wharves, sea airports, submarine tunnels and sea-crossing bridges, has become more and more widely used. At the same time, due to long-term immersion in seawater, erosion, and the impact of wind waves and tides, the corrosion problem of marine structural engineering has become increasingly prominent, seriously endangering the safety and durability of marine structural engineering. Therefore, more and more attention has been paid to the corrosion protection of marine structural engineering.
涂层技术是海洋结构工程防护重要而有效的方法。以往海洋混凝土结构腐蚀防护涂层沿用了金属防护材料,一般采用氯化橡胶、聚氨酯、氯磺化聚乙烯及环氧等涂料,其综合性能在某种程度上还不能满足严酷的海洋环境的要求。此外,目前常规水性涂料以及混凝土专用防护材料,如渗透型混凝土保护材料和纤维增强材料等,还存在对施工环境要求高、难以形成有效的表面防护结构以及施工困难等问题。因此,研究高性能涂层对控制海洋混凝土结构腐蚀、提高其安全性和耐久性具有重要意义。。Coating technology is an important and effective method for marine structural engineering protection. In the past, metal protective materials were used for corrosion protection coatings of marine concrete structures, such as chlorinated rubber, polyurethane, chlorosulfonated polyethylene and epoxy coatings, whose comprehensive performance cannot meet the requirements of harsh marine environments to some extent. . In addition, the current conventional water-based coatings and special protective materials for concrete, such as permeable concrete protective materials and fiber-reinforced materials, still have problems such as high requirements for the construction environment, difficulty in forming effective surface protection structures, and difficult construction. Therefore, it is of great significance to study high-performance coatings to control the corrosion of marine concrete structures and improve their safety and durability. .
发明内容 Contents of the invention
本发明的目的,就是为了解决现有技术存在的上述问题,提供一种环保型纳米环氧硅重防腐涂料及其制备方法和使用方法。The object of the present invention is to provide an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating and its preparation method and use method in order to solve the above-mentioned problems in the prior art.
为了实现上述目的,本发明采用了以下技术方案:一种环保型纳米环氧硅重防腐涂料,包括A组份和B组份,B组份为聚酰胺,A组份由下列重量百分比物质制备而成:In order to achieve the above object, the present invention adopts the following technical scheme: an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating, comprising A component and B component, B component is polyamide, and A component is prepared by the following weight percentage substances into:
水性环氧树脂 10%~40%;Water-based epoxy resin 10% to 40%;
溶剂 30%~60%;Solvent 30%~60%;
碳化硅 1%~5%;Silicon carbide 1% to 5%;
氧化铝 1%~6%;Alumina 1% to 6%;
纳米石英粉 5%~15%,Nano quartz powder 5%~15%,
钛白粉 5%~15%;Titanium dioxide 5% to 15%;
锌粉 2%~10%;Zinc powder 2% to 10%;
铝粉 2%~15%;Aluminum powder 2% to 15%;
陶瓷粉 5%~25%;Ceramic powder 5%~25%;
钴镍超微细金属粉末 0%~5%;Cobalt nickel ultrafine metal powder 0%~5%;
石墨 0%~6%;Graphite 0%~6%;
所述的溶剂为水或苯丙乳液。The solvent is water or styrene-acrylic emulsion.
上述环保型纳米环氧硅重防腐涂料的制备方法,其中的B组份直接采用聚酰胺,A组份的制备方法包括以下步骤:The preparation method of the above-mentioned environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating, wherein the B component directly adopts polyamide, and the preparation method of the A component comprises the following steps:
a、将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;a. Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
b、按重量百分比组成准确称取经纳米超细化处理后的碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨投入砂磨机内混合均匀为混合填料;b. Accurately weigh silicon carbide, aluminum oxide, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite after nano-ultrafine treatment according to the weight percentage and put them into the sand mill Internal mixing is evenly mixed filler;
c、将步骤b所得混合填料置于高速分散机中,加入按重量百分比组成准确称量的水性环氧树脂和溶剂,搅拌均匀,得到半成品;c. Place the mixed filler obtained in step b in a high-speed disperser, add water-based epoxy resin and solvent that are accurately weighed according to weight percentage, and stir evenly to obtain a semi-finished product;
d、将步骤c所得半成品经过滤、质检、装桶即为成品。d, the semi-finished product obtained in step c is filtered, quality inspected, and barreled to be a finished product.
上述环保型纳米环氧硅重防腐涂料的使用方法,是将A组份与B组份按30~50∶1的重量比混合均匀后,即时在常温下直接喷涂或涂刷在防腐对象的表面。The method of using the above-mentioned environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating is to mix component A and component B uniformly in a weight ratio of 30-50:1, and immediately spray or brush on the surface of the anti-corrosion object at room temperature .
本发明的环保型纳米环氧硅重防腐涂料为双组分涂料,使用时,将两组份混合均匀后,无须底漆,可在常温下直接喷涂或涂刷在金属表面,形成的涂层具有极好的耐磨性、耐腐蚀性、耐冲击性能和柔韧性,能有效隔绝酸、碱、盐类、海水的侵蚀。涂层表面致密、光滑,对传输介质阻力小,可广泛应用于输油管线、石油储罐及化工设备、船舶、砂轮叶片、泵、除尘器、海上钢结构等。同时,本发明的产品为水性涂料,不含有害成分,使用方便高效。The environment-friendly nano-epoxy silicon heavy-duty anti-corrosion coating of the present invention is a two-component coating. When using, after mixing the two components evenly, no primer is needed, and it can be directly sprayed or brushed on the metal surface at room temperature to form a coating It has excellent wear resistance, corrosion resistance, impact resistance and flexibility, and can effectively isolate the erosion of acid, alkali, salt and seawater. The surface of the coating is dense and smooth, and has low resistance to the transmission medium. It can be widely used in oil pipelines, petroleum storage tanks and chemical equipment, ships, grinding wheel blades, pumps, dust collectors, offshore steel structures, etc. Simultaneously, the product of the present invention is a water-based paint, does not contain harmful components, and is convenient and efficient to use.
具体实施方式 Detailed ways
本发明的环保型纳米环氧硅重防腐涂料包括A组份和B组份,B组份为聚酰胺,A组份及其制备方法通过以下实施例详细说明。The environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention comprises A component and B component, and B component is polyamide, and A component and its preparation method are described in detail through the following examples.
实施例1Example 1
将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are respectively subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
准确称取经纳米超细化处理后的碳化硅1公斤、氧化铝1公斤、纳米石英粉10公斤、钛白粉10公斤、锌粉2公斤、铝粉5公斤、陶瓷粉10公斤、钴镍超微细金属粉末1公斤投入砂磨机内混合均匀为混合填料;Accurately weigh 1 kg of silicon carbide, 1 kg of alumina, 10 kg of nano-quartz powder, 10 kg of titanium dioxide, 2 kg of zinc powder, 5 kg of aluminum powder, 10 kg of ceramic powder, and superfine Put 1 kg of metal powder into the sand mill and mix evenly to form the mixed filler;
将上述混合填料转入高速分散机中,加入水性环氧树脂20公斤和水40公斤,搅拌均匀,得到半成品;Transfer the above-mentioned mixed filler into a high-speed disperser, add 20 kg of water-based epoxy resin and 40 kg of water, and stir evenly to obtain a semi-finished product;
将半成品经过滤、质检、装桶即得到本发明的一种环保型纳米环氧硅重防腐涂料的A组份成品。After the semi-finished product is filtered, inspected and loaded into barrels, the finished product of component A of an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention can be obtained.
实施例2Example 2
将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are respectively subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
准确称取经纳米超细化处理后的碳化硅2公斤、氧化铝2公斤、纳米石英粉5公斤、钛白粉5公斤、锌粉8公斤、铝粉2公斤、陶瓷粉5公斤和石墨1公斤投入砂磨机内混合均匀为混合填料;Accurately weigh 2 kg of silicon carbide, 2 kg of alumina, 5 kg of nano-quartz powder, 5 kg of titanium dioxide, 8 kg of zinc powder, 2 kg of aluminum powder, 5 kg of ceramic powder and 1 kg of graphite after nano-ultrafine treatment Mix evenly in the sand mill to form a mixed filler;
将上述混合填料转入高速分散机中,加入水性环氧树脂40公斤和苯丙乳液30公斤,搅拌均匀,得到半成品;Transfer the above-mentioned mixed filler into a high-speed disperser, add 40 kg of water-based epoxy resin and 30 kg of styrene-acrylic emulsion, stir evenly, and obtain a semi-finished product;
将半成品经过滤、质检、装桶即得到本发明的一种环保型纳米环氧硅重防腐涂料的A组份成品。After the semi-finished product is filtered, inspected and loaded into barrels, the finished product of component A of an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention can be obtained.
实施例3Example 3
将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are respectively subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
准确称取经纳米超细化处理后的碳化硅5公斤、氧化铝5公斤、纳米石英粉8公斤、钛白粉7公斤、锌粉3公斤、铝粉4公斤和陶瓷粉6公斤,投入砂磨机内混合均匀为混合填料;Accurately weigh 5 kg of silicon carbide, 5 kg of alumina, 8 kg of nano-quartz powder, 7 kg of titanium dioxide, 3 kg of zinc powder, 4 kg of aluminum powder and 6 kg of ceramic powder after nano-ultrafine treatment, and put them into the sand mill Internal mixing is evenly mixed filler;
将上述混合填料转入高速分散机中,加入水性环氧树脂10公斤和水50公斤,搅拌均匀,得到半成品;Transfer the above-mentioned mixed filler into a high-speed disperser, add 10 kg of water-based epoxy resin and 50 kg of water, and stir evenly to obtain a semi-finished product;
将半成品经过滤、质检、装桶即得到本发明的一种环保型纳米环氧硅重防腐涂料的A组份成品。After the semi-finished product is filtered, inspected and loaded into barrels, the finished product of component A of an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention can be obtained.
实施例4Example 4
将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are respectively subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
准确称取经纳米超细化处理后的碳化硅1公斤、氧化铝6公斤、纳米石英粉5公斤、钛白粉5公斤、锌粉2公斤、铝粉15公斤、陶瓷粉20公斤、钴镍超微细金属粉末5公斤和石墨1公斤投入砂磨机内混合均匀为混合填料;Accurately weigh 1 kg of silicon carbide, 6 kg of alumina, 5 kg of nano-quartz powder, 5 kg of titanium dioxide, 2 kg of zinc powder, 15 kg of aluminum powder, 20 kg of ceramic powder, and superfine cobalt nickel after nano-ultrafine processing. 5 kg of metal powder and 1 kg of graphite are put into a sand mill and mixed evenly to form a mixed filler;
将上述混合填料转入高速分散机中,加入水性环氧树脂10公斤和苯丙乳液30公斤,搅拌均匀,得到半成品;Transfer the above-mentioned mixed filler into a high-speed disperser, add 10 kg of water-based epoxy resin and 30 kg of styrene-acrylic emulsion, stir evenly, and obtain a semi-finished product;
将半成品经过滤、质检、装桶即得到本发明的一种环保型纳米环氧硅重防腐涂料的A组份成品。After the semi-finished product is filtered, inspected and loaded into barrels, the finished product of component A of an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention can be obtained.
实施例5Example 5
将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are respectively subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
准确称取经纳米超细化处理后的碳化硅1公斤、氧化铝1公斤、纳米石英粉5公斤、钛白粉15公斤、锌粉9公斤、铝粉2公斤、陶瓷粉21公斤和石墨6公斤投入砂磨机内混合均匀为混合填料;Accurately weigh 1 kg of silicon carbide, 1 kg of alumina, 5 kg of nano-quartz powder, 15 kg of titanium dioxide, 9 kg of zinc powder, 2 kg of aluminum powder, 21 kg of ceramic powder and 6 kg of graphite after nano-ultrafine treatment Mix evenly in the sand mill to form a mixed filler;
将上述混合填料转入高速分散机中,加入水性环氧树脂10公斤和水30公斤,搅拌均匀,得到半成品;Transfer the above-mentioned mixed filler into a high-speed disperser, add 10 kg of water-based epoxy resin and 30 kg of water, and stir evenly to obtain a semi-finished product;
将半成品经过滤、质检、装桶即得到本发明的一种环保型纳米环氧硅重防腐涂料的A组份成品。After the semi-finished product is filtered, inspected and loaded into barrels, the finished product of component A of an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention can be obtained.
实施例6Example 6
将碳化硅、氧化铝、纳米石英粉、钛白粉、锌粉、铝粉、陶瓷粉、钴镍超微细金属粉末和石墨分别进行纳米超细化处理,使粒度达15~700nm;Silicon carbide, alumina, nano-quartz powder, titanium dioxide, zinc powder, aluminum powder, ceramic powder, cobalt-nickel ultra-fine metal powder and graphite are respectively subjected to nano-ultrafine treatment, so that the particle size reaches 15-700nm;
准确称取经纳米超细化处理后的碳化硅1公斤、氧化铝1公斤、纳米石英粉14公斤、钛白粉5公斤、锌粉2公斤、铝粉2公斤和陶瓷粉5公斤,投入砂磨机内混合均匀为混合填料;Accurately weigh 1 kg of silicon carbide, 1 kg of alumina, 14 kg of nano-quartz powder, 5 kg of titanium dioxide, 2 kg of zinc powder, 2 kg of aluminum powder and 5 kg of ceramic powder after nano-ultrafine treatment, and put them into the sand mill Internal mixing is evenly mixed filler;
将上述混合填料转入高速分散机中,加入水性环氧树脂10公斤和苯丙乳液60公斤,搅拌均匀,得到半成品;Transfer the above-mentioned mixed filler into a high-speed disperser, add 10 kg of water-based epoxy resin and 60 kg of styrene-acrylic emulsion, stir evenly, and obtain a semi-finished product;
将半成品经过滤、质检、装桶即得到本发明的一种环保型纳米环氧硅重防腐涂料的A组份成品。After the semi-finished product is filtered, inspected and loaded into barrels, the finished product of component A of an environment-friendly nano epoxy silicon heavy-duty anti-corrosion coating of the present invention can be obtained.
本发明涂料的具体使用方法如下:The concrete using method of coating of the present invention is as follows:
基材的净化除锈达St2.5级或Sa3级;The purification and rust removal of the base material can reach St2.5 or Sa3 level;
将A组份与B组份按30~50∶1的重量比混合后摇拌均匀;Mix component A and component B according to the weight ratio of 30-50:1 and shake evenly;
用毛细刷、喷枪等工具,将本品涂覆在钢铁工件表面,6小时后即可进行后续涂装工序,厚层可以分两遍涂装。Use brushes, spray guns and other tools to coat this product on the surface of steel workpieces. After 6 hours, the subsequent coating process can be carried out. Thick layers can be coated in two coats.
对所得涂层的性能测试结果见表1:The performance test results of the resulting coating are shown in Table 1:
表1Table 1
本发明可广泛用于船舶、海上平台、码头、桥梁、钢管桩、石油管道、市政管道等众多领域的钢结构重防腐工程。The invention can be widely used in steel structure heavy-duty anticorrosion projects in many fields such as ships, offshore platforms, wharves, bridges, steel pipe piles, oil pipelines, and municipal pipelines.
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US5413628A (en) * | 1993-09-22 | 1995-05-09 | Savin; Ronald R. | Stable inorganic zinc-powder rich coating composition |
CN1702139A (en) * | 2004-05-25 | 2005-11-30 | 上海赛科现代交通设备有限公司 | Epoxy sealing material for linear motor stator electric magnet |
CN1740393A (en) * | 2005-09-15 | 2006-03-01 | 邹志尚 | Technological process of making ferrous metal surface anticorrosive, antiwear, antishock and insulating |
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