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首页> 外文期刊>Macromolecular Research >Interconnection of Electrospun Nanofibers via a Post Co-Solvent Treatment and Its Open Pore Size Effect on Pressure-Retarded Osmosis Performance
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Interconnection of Electrospun Nanofibers via a Post Co-Solvent Treatment and Its Open Pore Size Effect on Pressure-Retarded Osmosis Performance

机译：通过后共溶剂处理将电纺纳米纤维互连起来，并且其开孔尺寸对耐压渗透性能的影响

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摘要

Design of support layer structures for asymmetric thin film composite membranes has drawn keen attention to improve the power density for salinity gradient power based on pressure-retarded osmosis. This study has interests on electrospun nanofiber-based support layers, and the effects of its open pore sizes are attractively stated. To control the open pore size, a counter charge deposition method was introduced. To retain the open pore size, all the nanofibers were interconnected by a post co-solvent treatment technology. For a thin film composite membrane, an interfacial polymerization was used to fabricate a polyamide active layer on the electrospun nanofiber-based support layers. It was found that although the maximum power density achieved with an open pore size of 2.4 mu m(2) was 0.14 W/m(2), it increased significantly up to 9.5 W/m(2) when the pore size was reduced to 0.65 mu m(2). The cause is the salt flux which increases with increasing the open pore sizes under applied pressures.
机译：用于不对称薄膜复合膜的支撑层结构的设计引起了人们的强烈关注，以提高基于压力延迟渗透的盐度梯度功率的功率密度。这项研究对静电纺基于纳米纤维的支撑层感兴趣，并且其开孔尺寸的影响引人注目。为了控制开孔孔径，引入了反电荷沉积方法。为了保持开放的孔径，所有纳米纤维都通过后助溶剂处理技术相互连接。对于薄膜复合膜，使用界面聚合在电纺基于纳米纤维的支撑层上制备聚酰胺活性层。已发现，尽管在开放的孔径为2.4μm（2）的情况下实现的最大功率密度为0.14 W / m（2），但当孔径减小到9.5 W / m（2）时，功率密度显着增加。 0.65微米（2）。原因是盐通量在施加压力下随着开孔尺寸的增加而增加。

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