| 聚偏氟乙烯(PVDF)膜化学法亲水改性技术 |
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| 引用本文： | 苏洁,相波,李义久.聚偏氟乙烯(PVDF)膜化学法亲水改性技术[J].净水技术,2011,30(1):62-66. |
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| 作者姓名： | 苏洁 相波 李义久 |
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| 作者单位： | 同济大学化学系,上海,200092 |
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| 基金项目： | 上海市科委国际科技合作基金 |
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| 摘 要： | 通过化学表面改性的方法改善PVDF膜的亲水性,从化学处理的时间、体系的温度、碱液的浓度三个因素对改性的条件进行摸索、优化.采用静滴接触角、raman光谱法、傅里叶-红外(FT-IR)、差分扫描热分析(DSC)法、X-射线衍射强度法等方法研究改性后PVDF膜亲水性、结构、组成、晶型变化.结果显示:体系温度在60℃下,碱液...
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| 关 键 词： | 聚偏氟乙烯(PVDF) 化学表面改性 亲水性 |
Chemical Modification and Hydrophilicity Improvement for Polyvinylidene Fluoride (PVDF) Membrane |
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| Su Jie,Xiang Bo,Li Yijiu.Chemical Modification and Hydrophilicity Improvement for Polyvinylidene Fluoride (PVDF) Membrane[J].Water Purifcation Technology,2011,30(1):62-66. |
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| Authors: | Su Jie Xiang Bo Li Yijiu |
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| Affiliation: | Su Jie,Xiang Bo,Li Yijiu(Department of Chemistry,Tongji university,Shanghai 200092,China) |
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| Abstract: | In the paper,optimization of the condition of the chemical modification of the polyvinylidene fluoride(PVDF) membrane at different concentrantions of alkaline solution,duration of the reaction times,and temperatures of the reaction system and evaluation of the effect of changing condition to the hydrophilicity,molecular structure,components and crystalline form of the membrane by raman spectroscopy,FT-IR a spectroscopy,X-ray diffraction spectroscopy,differential scanning calorimetry and determination of con... |
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| Keywords: | polyvinylidene fluoride(PVDF) chemical surface modification hydrophilicity |
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