侯俊文,蔡东宝,叶向东.一种具有自粘附性能的超疏水自清洁涂层制备方法[J].表面技术,2019,48(2):69-75.
HOU Jun-wen,CAI Dong-bao,YE Xiang-dong.Preparation Method of Super Hydrophobic Self-cleaning Coating with Self-adherence Property[J].Surface Technology,2019,48(2):69-75 |
| 一种具有自粘附性能的超疏水自清洁涂层制备方法 |
| Preparation Method of Super Hydrophobic Self-cleaning Coating with Self-adherence Property |
| 投稿时间：2018-09-18 修订日期：2019-02-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2019.02.010 |
| 中文关键词: 胶 粘附力 耐磨性 SiO2 强度 超疏水涂层 |
| 英文关键词:glue adhesion abrasion resistance SiO2 strength super hydrophobic coating |
| 基金项目:国家自然科学基金面上项目（51475353，51475352）；清华大学摩擦学国家重点实验室开放基金资助项目（SKLTKF14A02）；陕西省自然科学基金面上项目（2016JM5004）；陕西省教育厅重点实验室科学研究计划项目（16JS057） |
| 作者 | 单位 |
| 侯俊文 | 1.西安建筑科技大学 机电工程学院，西安 710055；2.陕西省纳米材料与技术重点实验室，西安 710055 |
| 蔡东宝 | 1.西安建筑科技大学 机电工程学院，西安 710055；2.陕西省纳米材料与技术重点实验室，西安 710055 |
| 叶向东 | 1.西安建筑科技大学 机电工程学院，西安 710055；2.陕西省纳米材料与技术重点实验室，西安 710055 |
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| Author | Institution |
| HOU Jun-wen | 1.School of Mechanical and Electrical Engineering, Xi￠an University of Architecture and Technology, Xi￠an 710055, China; 2.Shaanxi Key Laboratory of Nano Materials and Technology, Xi￠an 710055, China |
| CAI Dong-bao | 1.School of Mechanical and Electrical Engineering, Xi￠an University of Architecture and Technology, Xi￠an 710055, China; 2.Shaanxi Key Laboratory of Nano Materials and Technology, Xi￠an 710055, China |
| YE Xiang-dong | 1.School of Mechanical and Electrical Engineering, Xi￠an University of Architecture and Technology, Xi￠an 710055, China; 2.Shaanxi Key Laboratory of Nano Materials and Technology, Xi￠an 710055, China |
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| 中文摘要: |
| 目的 提高超疏水涂层的粘附性、表面强度及耐磨性，精简制备工艺，并解决制备中存在的不环保问题。方法 将SPK胶水和疏水性二氧化硅纳米粒子作为原料，采用简单喷涂工艺制备了具有自粘附性能的超疏水涂层，通过水的接触角测量、粘附力测试、耐磨性测试、涂层自清洁效果测试，分别评价涂层的润湿性、粘附力、耐磨性、自清洁效果，并通过扫描电子显微镜对喷涂前后涂层的形貌及元素组成变化进行分析。结果 制备的涂层接触角为150.5°。在电子万能试验机作用下，涂层粘附玻璃样片的最大拉伸剪切强度为1.45 MPa，粘附打磨光滑的45钢样片，最大拉伸剪切强度可达1.69 MPa，粘附性良好。受力涂层在砂纸上拖行120 cm后，表面润湿性仍为超疏水。覆盖有涂层的照片，表面光滑平整，不影响照片本身的清晰度，当混合污染物滴落在图片表面时难以浸润入，并沿着表面流走。结论 制备的涂层具有超疏水特性。该涂层对基底具有强粘附性，且涂层粘附力与胶粘附力有关，如果使用粘附力更强的胶，涂层的粘附力可继续提升。涂层具有良好的耐磨性且超疏水效果稳定。由于涂层的超疏水特性，附着在其表面的混合污染物难以浸润入基底，可以很好地保护基底表面。 |
| 英文摘要: |
| The work aims to improve the adhesion, surface strength and wear resistance of super hydrophobic coatings, sim-plify the preparation process and solve the problem of environmental protection. The SPK adhesive and hydrophobic silica na-noparticles were used as the basic raw materials to prepare the super hydrophobic coating with self-adhesive properties by simple spraying process. The wettability, adhesion, wear resistance and self-cleaning effects of the coating were evaluated by the contact angle measurement, the adhesion test, the wear resistance test and the self-cleaning effect test. The scanning electron microscope (SEM) was used to analyze the morphology and elemental composition of the coating before and after spraying. The contact angle of the coating is 150.5°. Under the action of the electronic universal testing machine, the maximum tensile shear strength of the coating sample adhered with glass was 1.45 MPa, and that of coating sample adhered with polishing and smooth 45 steel sample was up to 1.69 MPa, and the adhesion was good. Even after the force coating was dragged on the sand paper for 120 cm, the coating surface was still moistening. The wettability was still super hydrophobic. The photo with a coating was smooth without affecting the clarity of the photo. The mixed pollutant dropped on the surface of the picture was difficult to infiltrate the surface and could only flow along the surface. The coating has super hydrophobic property and strong adhesion to the substrate and the adhesion force of the coating is related to the adhesive force of the glue. If the glue with stronger adhesive force is used, the adhesive force of the coating can still be improved. The coating has good wear resistance and stable super hydrophobic effect. Because of the super hydrophobic characteristics of the coating, the mixed contaminants on the surface of the coating are difficult to infiltrate into the substrate, which can protect the surface of the substrate well. Compared with other similar research, the environmental pollution due to the introduced crosslinker/modifier will be solved. |
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