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首页> 外文期刊>Journal of Applied Polymer Science >Modification of cellulose acetate: Its characterization and application as an ultrafiltration membrane
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Modification of cellulose acetate: Its characterization and application as an ultrafiltration membrane

机译：醋酸纤维素的改性：其表征和作为超滤膜的应用

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摘要

The development of cellulose acetate blend membranes using a commercial grade Mycell cellulose acetate and cellulose diacetate with suitable pore structure is discussed. These membranes were characterized in terms of resistance of the membrane, pure water flux, the molecular weight cutoff, water content, pore size, and porosity. The removal of copper metal ions by this blend membrane using polyethyleneimine as a chelating agent was studied. The effects of copper ion concentration and casting solution composition on separation are also discussed. A possible correlation between feed and permeate concentration of copper ion is evaluated. (C) 1998 John Wiley & Sons, Inc. [References: 19]
机译：讨论了使用商业级Mycell醋酸纤维素和具有适当孔结构的二醋酸纤维素开发醋酸纤维素共混膜的方法。这些膜的特征在于膜的电阻，纯净水通量，分子量截留值，水含量，孔径和孔隙率。研究了使用聚乙烯亚胺作为螯合剂通过该共混膜去除铜金属离子的方法。还讨论了铜离子浓度和浇铸液组成对分离的影响。评价了进料和铜离子的渗透物浓度之间的可能相关性。 （C）1998 John Wiley＆Sons，Inc. [参考：19]

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