低温热致相分离制膜方法研究进展  

Progress of low temperature thermally induced phase separation method

作　　者：张天琪 贾志谦[1] ZHANG Tianqi;JIA Zhiqian(College of Chemistry,Beijing Normal University,Beijing 100875,China)

机构地区：[1]北京师范大学化学学院,北京100875

出　　处：《膜科学与技术》2023年第5期202-209,共8页Membrane Science and Technology

摘　　要：传统热致相分离法(TIPS)是制备分离膜的重要方法,但操作温度较高,易引起聚合物分解,对设备要求也较高.低温热致相分离法(LT-TIPS)具有操作温度低、膜结构易调控的优点,近年来受到研究者们的关注.本文介绍了LT-TIPS相图特征、单一潜溶剂体系、混合潜溶剂体系、铸膜液中添加剂对膜结构的影响以及LT-TIPS膜应用的研究进展,并分析了LT-TIPS制膜方法面临的挑战和未来发展方向.Thermally induced phase separation(TIPS)method is an important membrane fabrication method,with problems such as high operating temperature.Low temperature thermal phase separation(LT-TIPS),as an improved TIPS process,has the advantages of low operating temperature and easy adjustment of membrane structure.This review introduces the phase diagram of the low temperature thermally introduced phase separation(LT-TIPS)method,the progress in single solvent system,mixed solvents system and the effects of additives on membrane structure,along with the applications of membranes.The challenges and future development of the LT-TIPS method are provided.

关 键 词：低温热致相分离法 相图 潜溶剂 添加剂 

分 类 号：TQ028[化学工程]