改性聚偏氟乙烯膜的性能表征？ 【英文篇名】 performance characterization of modified polyvinylidene fluoride membrane 【作者中文名】 [url=]王海芳[/url]; [url=]王连军[/url]; [url=]于文敦[/url]; [url=]李健生[/url]; [url=]孙秀云[/url]; 【作者英文名】 [url=]wang haifang[/url]; [url=]wang lianjun[/url]; [url=]yu wendun[/url]; [url=]li jiansheng[/url]; [url=]sun xiuyun（school of chemical engineering[/url]; [url=]nanjing university of science and technology[/url]; [url=]nanjing 210094[/url]; [url=]china）[/url]; 【作者单位】 [url=]南京理工大学化工学院环境科学与工程系[/url]; [url=]南京理工大学化工学院环境科学与工程系 江苏南京[/url]; [url=]江苏南京[/url]; 【文献出处】 应用基础与工程科学学报 , journal of basic science and engineering , 编辑部邮箱 2005年 s1期 【关键词】 [url=]聚偏氟乙烯膜[/url]; [url=]改性[/url]; [url=]性能[/url]; [url=]表征[/url]; 【英文关键词】 [url=]polyvinylidene fluoride membrane[/url]; [url=]modification[/url]; [url=]performance[/url]; [url=]characterization[/url]; 【摘要】 用热重分析、机械强度分析和接触角测定对亲水改性后的聚偏氟乙烯膜进行了表面性能表征.利用改性膜对油浓度小于200mg/l的含油废水进行了分离,研究了改性膜对油的截流效果.结果表明,与聚偏氟乙烯膜相比,改性膜的热稳定性和机械强度均有所提高.改性膜的水接触角减小到35°以下,清水通量增加到115l/m2.h以上,油截留率大于85%,皆显著优于聚偏氟乙烯膜. 【英文摘要】 the gravitational thermal analysis,machine intensity analysis and contact angle determination were employed to characterize the performance of polyvinylidene fluoride membrane after hydrophilic modification.at 0.2mpa,the modified membrane was applied to separate the oily wastewater which oil concentration was lower than 200mg/l,and oil rejection effect of modified membrane was studied.the results show that the thermal stability and machine intensity were improved compared to polyvinylidene fluoride membrane... 查看更多
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