Nanofiltration membrane based on host-guest compound, preparation method and characterization test method

• Main Authors: FENG RU, WANG ZHENYUAN, RONG MINGYUE, SUN SHIPENG, WANG WEIJIAN
• Format: Patent
• Language: Chinese; English
• Published: 13.05.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PHYSICS; SEPARATION; TESTING; TRANSPORTING

The invention provides a nanofiltration membrane based on subject-object compounds, a preparation method and a characterization test method, and relates to the technical field of polymer membranes. According to the preparation method, the nanofiltration membrane with a host-guest compound structure is successfully prepared by utilizing the macrocyclic molecules, and the macrocyclic molecules can selectively recognize a water-phase guest in the preparation process to create a novel nano mass transfer pore channel and are used for constructing the hollow fiber modified nanofiltration membrane with good performance. The invention also provides a test method for evaluating whether host-guest compounds can be effectively formed in the preparation of the nanofiltration membrane, judgment is performed through peak displacement on 1HNMR, and structural construction of the nanofiltration membrane can be effectively guided. 本发明提供了一种基于主客体化合物的纳滤膜、制备方法以及表征测试方法，涉及聚合物膜技术领域。本发明成功地利用大环分子制备出了具有主客体化合物结构的纳滤膜，在制备过程中大环分子能够选择性识别水相客