| 基于复合纳米颗粒的有机-无机杂化膜制备与性能表征 |
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| 引用本文： | 赵晴,于水利,吕慧.基于复合纳米颗粒的有机-无机杂化膜制备与性能表征[J].功能材料,2010,41(4). |
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| 作者姓名： | 赵晴 于水利 吕慧 |
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| 作者单位： | 1. 哈尔滨工业大学,城市水资源与水环境国家重点实验室,黑龙江,哈尔滨,150090
2. 哈尔滨工业大学,城市水资源与水环境国家重点实验室,黑龙江,哈尔滨,150090;同济大学,污染控制与资源化国家重点实验室,上海,200092 |
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| 基金项目： | 国家自然科学基金资助项目(50778050);;国家科技支撑计划重点资助项目(2006BAJ08B09);;国家水体污染控制与治理科技重大专项资助项目(2009ZX07424-005) |
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| 摘 要： | 采用共混杂化的方法,利用Al2O3/TiO2复合纳米颗粒对疏水性强、易污染的聚偏氟乙烯膜进行改性,以增强其在水相溶液中的应用能力。通过测定纯水通量、截留率和膜表面接触角分别考察膜的透过、分离性能及亲疏水性能。用扫描电镜观察杂化膜的表面形态及断面结构。用傅立叶红外光谱分析杂化膜的化学结构,用X射线衍射分析杂化膜的结晶状态。膜的抗污染性能由料液通量试验考察。改性前后膜的测试结果表明,纳米颗粒的加入改善了聚偏氟乙烯膜的通量、亲水性能和抗污染性能。
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| 关 键 词： | 杂化聚偏氟乙烯膜 无机共混 亲水性能 膜污染 |
Preparation and characterization of organic-inorganic hybrid membranes based on composite nanoparticles |
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| ZHAO Qing,YU Shui-li,LV Hui.Preparation and characterization of organic-inorganic hybrid membranes based on composite nanoparticles[J].Journal of Functional Materials,2010,41(4). |
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| Authors: | ZHAO Qing YU Shui-li LV Hui |
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| Affiliation: | 1.State Key Laboratory of Urban Water Resource and Environment;Harbin Institute of Technology;Harbin 150090;China;2.State Key Laboratory of Pollution Control and Resource Reuse;Tongji University;Shanghai 200092;China |
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| Abstract: | Polyvinylidene fluoride (PVDF) membrane modified by Al2O3/TiO2 composite nanoparticles was prepared via blending method for the improvements of hydrophilicity and antifouling performance.Pure water flux,rejection ratio and contact angle of membrane surface were measured to investigate the permeation,the separability and the hydrophilicity of the hybrid membrane.Detailed observation over membrane surface and cross-section were observed by scanning electronic microscopy (SEM).Fourier transform infrared spectr... |
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| Keywords: | hybrid PVDF membrane inorganic blending hydrophilicity membrane fouling |
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