• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of a composite nanofiltration membrane from cyclen and trimesoyl chloride prepared by interfacial polymerization
【24h】

Preparation and characterization of a composite nanofiltration membrane from cyclen and trimesoyl chloride prepared by interfacial polymerization

机译：界面聚合制备的Cyclone与均苯三甲酰氯复合纳米滤膜的制备与表征

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A novel nanofiltration (NF) membrane was prepared with cyclen and trimesoyl chloride by interfacial polymerization on a poly(ether sulfone) ultrafiltration membrane with a molecular weight cutoff of 50,000 Da. The effects of the reaction time, monomer concentration, and heat-treatment temperature are discussed. The physicochemical properties and morphology of the prepared NF membrane were characterized by Fourier transform infrared spectroscopy-attenuated total reflectance, scanning electron microscopy, energy-dispersive spectrometry, and atomic force microscopy. The NF performances were evaluated with solutions of Na2SO4, MgSO4, Mg(NO3)(2), and NaCl. The salt-rejection order of the prepared NF membrane was as follows: Na2SO4 > MgSO4 > (o) over cap Mg(NO3)(2) > NaCl. The resulting rejection of Na2SO4 and PEG600 (polyethylene glycol with the average molecular weight of 600) were more than 90%, whereas that of NaCl was approximately 10%. After the addition of silica sol in the aqueous phase (silica sol concentration=0.1% w/v), the salt rejection of the membrane changed slightly. However, the water flux was from 24.2 L.m(-2).h(-1) (25 degrees C, 0.6 MPa) up to 38.9 L.m(-2).h(-1) (25 degrees C, 0.6 MPa), and the resulting membrane exhibited excellent hydrophilicity. (C) 2015 Wiley Periodicals, Inc.
机译：在分子量为50,000 Da的聚（醚砜）超滤膜上通过界面聚合反应，用环己酮和均苯三甲酰氯制备了一种新型的纳滤膜。讨论了反应时间，单体浓度和热处理温度的影响。通过傅立叶变换红外光谱-衰减全反射率，扫描电子显微镜，能量色散光谱和原子力显微镜表征了所制备NF膜的理化性质和形态。用Na2SO4，MgSO4，Mg（NO3）（2）和NaCl溶液评估NF性能。制备的NF膜的排盐顺序如下：Na2SO4> MgSO4>（o）盖上Mg（NO3）（2）> NaCl。最终的Na2SO4和PEG600（平均分子量为600的聚乙二醇）的截留率超过90％，而NaCl的截留率约为10％。在水相中添加硅溶胶（硅溶胶浓度= 0.1％w / v）后，膜的脱盐率略有变化。但是，水通量从24.2 Lm（-2）.h（-1）（25摄氏度，0.6 MPa）到38.9 Lm（-2）.h（-1）（25摄氏度，0.6 MPa），所得膜显示出优异的亲水性。 （C）2015年Wiley Periodicals，Inc.

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号