聚乳酸分离膜的制备、改性及其应用进展
作者:王宇飞1,王保玉12 ,周秀苗1,李玉玲1,李靖靖1,刘从军1,王少鹏1,窦浩祯2,张娜2
单位: 1.郑州工程技术学院 化工食品学院,郑州454044; 2.天津大学 化工学院,天津300072
关键词: 聚乳酸;分离膜;制备方法;亲水改性
分类号: TQ323.9
出版年,卷(期):页码: 2018,38(5):122-129

摘要:
 聚乳酸是一种可持续的绿色环保高分子材料,具有明显的可再生优势,已经被制成各种类型的分离膜,有望在分离和纯化领域替代难降解高分子膜,既能节约石化资源又能减少白色污染。本文分析了浸没沉淀相转化法、热致相分离法和静电纺丝法制备聚乳酸分离膜的优缺点,评价了聚乳酸膜的四种亲水改性方法,即物理共混、表面偏析、表面接枝和表面生物粘合,总结了聚乳酸被制成微滤膜、超滤膜、电纺微滤膜和致密膜等在分离与纯化领域的应用进展,最后指出聚乳酸分离膜目前存在的问题,并给出下一步改进方向,以期能为今后的相关研究工作与工业应用提供有益的参考。
 Poly(lactic acid) separation membrane is a sustainable and green polymer membrane, and has attracted extensive attention. Firstly, three fabrication methods were summarized comprehensively, including non-solvent induced phase separation, thermally induced phase separation and electrospinning; Secondly, four hydrophilic modification approaches were also diccussed in detail, such as physical blending, surface segregation, surface grafting and surface bioadhesion; Thirdly, various applications of poly(lactic acid) separation membrane were briefly described; Finally, some useful suggestions were proposed to improve the peformance of poly(lactic acid) membrane and enlarge the application of poly(lactic acid) membrane.

基金项目:
河南省科技开放合作计划(编号172106000067),河南省高校青年骨干教师资助计划(编号2013GGJS-297),郑州工程技术学院青年创新基金(编号QNCXJJ2018K5)

作者简介:
第一作者:王宇飞(1979-),男,河南夏邑,副教授,主要从事功能材料研究,E-mail: wangyf79827@163.com 通讯作者:王保玉,E-mail: wangbaoyu2006@163.com

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