化工进展 ›› 2021, Vol. 40 ›› Issue (8): 4360-4370.DOI: 10.16085/j.issn.1000-6613.2020-1830

• 材料科学与技术 • 上一篇    下一篇

共价有机骨架聚合物功能膜制备方法的研究进展

刘祎(), 汪明旺, 吕宏凌, 陈金庆()   

  1. 中国石油大学(华东)化学工程学院,山东 青岛 266580
  • 收稿日期:2020-09-10 出版日期:2021-08-05 发布日期:2021-08-12
  • 通讯作者: 陈金庆
  • 作者简介:刘祎(1994—),男,硕士研究生,研究方向为纳米功能材料。E-mail:amorveneris@163.com
  • 基金资助:
    国家科技重大专项(2011ZX05011);中央高校基本科研业务费项目(27R1204004A);国家自然科学基金(51173203)

Research progress in the preparation method of covalent organic framework polymers (COFs) functional membranes

LIU Yi(), WANG Mingwang, LYU Hongling, CHEN Jinqing()   

  1. Department of Chemical Engineering, China University of Petroleum, Qingdao 266580, Shandong, China
  • Received:2020-09-10 Online:2021-08-05 Published:2021-08-12
  • Contact: CHEN Jinqing

摘要:

共价有机骨架聚合物(COFs)是由共价键连接,经热力学可逆聚合形成的有序多孔有机晶态材料,具有比表面积大、孔分布规则可调和可拆剪等特性,其二维或三维COFs功能膜在气体分离、化学传感、催化、药物传输等方面具有广阔的发展前景。COFs膜材料的制备决定膜组成、微规整结构和性能,成为COFs膜功能应用的研究基础和技术关键。本文综述了COFs材料提出以来形成的共混法、原位聚合法、层层堆叠法和界面聚合等制备方法的研究现状,结合各方法优缺点,分析并提出COFs膜制备技术的关键方向和技术要点。为COFs功能膜分子设计、优化和功能化应用提供合理的制备方法,促进高性能COFs功能膜实用化制备方法的形成。

关键词: 共价有机骨架聚合物膜, 共混法, 原位聚合法, 层层堆叠法, 界面聚合

Abstract:

Covalent organic framework polymers (COFs) connected by covalent bonds are ordered porous organic crystals prepared by reversible thermodynamic polymerization. With the characteristics of large specific surface area, adjustable regular pore distribution and detachable structure, COFs functional membranes with two dimensions or three dimensions have been promising in gas separations, chemical sensors, catalysts, drug delivery, etc. The molecule compositions, micro-structures, and performances of COFs membranes are determined by their preparation methodology, which has been a research basis and a key technology for the application of COFs functional membranes. In this paper, recent developments and promising trends of preparing COFs functional membranes, including blending method of COF, in-situ polymerization method, exfoliation and assembly method and interfacial polymerization method, were reviewed and the merits and limitations of each preparation method were analyzed. The research direction and key technical points of each technology in fabricating COFs functional membranes were summarized, and the reasonable preparation methods from the molecule design, functional optimization and potential applications were proposed to promote the formation of preparation methods of high performance COFs membranes in the future.

Key words: covalent organic framework polymer (COFs) membranes, blending method, in-situ polymerization, layer by layer stacking method, interfacial polymerization

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