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Position: Home > Articles > Experimental Study on Antifouling Property of Polytetrafluoroethylene(PTFE) Membrane for Trace Quantity Irrigation Water Saving Irrigation 2017 (10) 61-64+69

痕量灌溉中聚四氟乙烯膜抗污染性能实验研究

作  者：
朱月亭;曹伟;刘洁
单  位：
华中科技大学材料科学与工程学院
关键词：
痕量灌溉;聚四氟乙烯膜;多巴胺;亲水性;抗污染性
摘  要：
痕量灌溉是近几年来发展的一种全新的基于膜过滤技术的节水灌溉方法,其核心过滤元件聚四氟乙烯膜具有优异的机械性能、耐老化性能、化学稳定性能等优势,但其本身的疏水性容易导致过滤膜发生污染堵塞,使得痕量灌溉系统不能长期稳定运行。以聚四氟乙烯膜为研究对象,对其进行多巴胺亲水性改性和抗腐殖酸溶液污染性能实验研究。研究结果表明,改性后的复合膜较未改性的初始膜具有较好的亲水性;多巴胺聚合物牢固地吸附在复合膜表面;复合膜较初始膜的抗污染性能大大的改善。这将在极大程度上提高聚四氟乙烯膜的寿命和痕量灌溉系统的运行可靠性,为痕量灌溉技术的发展与应用提供了一定的技术指导。
译  名：
Experimental Study on Antifouling Property of Polytetrafluoroethylene(PTFE) Membrane for Trace Quantity Irrigation
作  者：
ZHU Yue-ting;CAO Wei;LIU Jie;Mechanical and Electrical Engineering Division,Wenhua University;State Key Lab of Materials Processing and Die & Mold Technology,Huazhong University of Science and Technology;
单  位：
Mechanical and Electrical Engineering Division,Wenhua University%State Key Lab of Materials Processing and Die & Mold Technology,Huazhong University of Science and Technology
关键词：
trace quantity irrigation;;polytetrafluoroethylene(PTFE) membrane;;dopamine;;hydrophilicity;;antifouling
摘  要：
Trace quantity irrigation is a new water-saving irrigation method developed based on membrane filtration technology in recent years.Its core element is PTFE membrane. It has excellent mechanical property,ageing resistance and chemical stability,etc. But the membrane is contaminated easily because of the hydrophobic property,which poses a big threat to the long-term stability of the trace quantity irrigation operation. An experimental study on hydrophilic and antifouling property of PTFE membrane is conducted in this paper. The results show that composite membrane has good hydrophilicity and pollution resistance property,and the dopamine polymer solid adsorbs on its surface. The lifetime of PTFE membrane and the operation reliability of trace quantity irrigation are improved in a great extent. The study results can provide technical guidance for development and application of trace quantity irrigation.

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