Pluronic polymers and polyethersulfone blend membranes with improved fouling-resistant ability and ultrafiltration performance
Pluronic polymers and polyethersulfone blend membranes with improved fouling-resistant ability and ultrafiltration performance
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DOI：
10.1016/j.memsci.2006.07.021
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发表时间：
2006-10
影响因子：
9.5
通讯作者：
Yan-qiang Wang;Yanlei Su;Xiaolei Ma;Qiang Sun;Zhongyi Jiang
中科院分区：
文献类型：
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作者：
Yan-qiang Wang;Yanlei Su;Xiaolei Ma;Qiang Sun;Zhongyi Jiang
通过共混不同含量和不同聚氧乙烯(PEO)链长的Pluronic聚合物对聚醚砜(PES)膜进行亲水性改性。静态水接触角测量和X-射线光电子能谱分析证实了共混膜表面PEO链的富集性。研究了Pluronic聚合物含量和PEO链长对共混膜超滤性能和抗污染能力的影响。结果表明，除PES-P123共混膜外，共混膜的水通量均高于PES对照膜。同时，增加Pluronic含量或PEO链长均可显著提高共混膜的抗污染能力。最后，共混膜具有优异的通量恢复性能，保证了膜的长期使用时间和运行可靠性。
Hydrophilic modification of polyethersulfone (PES) membranes was achieved by blending Pluronic polymers with different contents and PEO chain length. The static water contact angle measurements and X-ray photoelectron spectroscopy analysis confirmed the enrichment of PEO chain at blend membranes surface. Effect of Pluronic polymer content and PEO chain length on ultrafiltration performance and fouling-resistant ability of blend membranes was studied. The results indicated that except for PES–P123 blend membranes, the water fluxes of blend membranes were higher than that of PES control membrane. Meanwhile, increasing Pluronic content or PEO chain length both improved the fouling-resistant ability of blend membranes significantly. Finally, the outstanding flux recovery property of blend membranes ensured the long-run utilization time and operation reliability.