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大孔吸附树脂的吸附机理

娄嵩1,2, 刘永峰1,2, 白清清4, 邸多隆*1,3,4   

  1. 1. 中国科学院兰州化学物理研究所 中国科学院西北特色植物资源化学重点实验室 甘肃省天然药物重点实验室 兰州 730000;
    2. 中国科学院研究生院 北京 100049;
    3. 中国科学院兰州化学物理研究所青岛市资源化学与新材料研究中心 青岛 266100;
    4. 甘肃中医学院药学系 甘肃省高校中(藏)药化学与质量研究省级重点实验室 兰州 730000
  • 收稿日期:2011-12-01 修回日期:2012-03-01 出版日期:2012-08-24 发布日期:2012-08-06
  • 通讯作者: 邸多隆 E-mail:didl@licp.cas.cn
  • 基金资助:

    国家自然科学基金项目(No.20974116)和中科院“百人计划”项目资助

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Adsorption Mechanism of Macroporous Adsorption Resins

Lou Song1,2, Liu Yongfeng1,2, Bai Qingqing4, Di Duolong1,3,4   

  1. 1.Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicines of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
    3. Centre of Resource Chemistry and New Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Qingdao 266100, China;
    4. Key Laboratory of Chemistry and Quality for Traditional Chinese Medicines of the College of Gansu Province, Department of Pharmacy, Gansu College of Traditional Chinese Medicine, Lanzhou 730000, China
  • Received:2011-12-01 Revised:2012-03-01 Online:2012-08-24 Published:2012-08-06
大孔吸附树脂(macroprous adsorption resin, MAR)是近几十年发展起来的一种具有多孔立体结构、人工合成的有机高分子聚合物。由于其特殊的理化性质和吸附性能,已被广泛应用于化学、医药、环保和食品等领域。本文介绍了近年来国内外对大孔吸附树脂在吸附机理研究方面的进展,重点介绍了不同温度条件下大孔吸附树脂对靶标分子的吸附热力学行为模式,靶标分子在大孔吸附树脂表面及孔内的吸附扩散行为模式。此外,大孔吸附树脂性能参数和靶标分子结构参数之间构效关系也对其吸附选择性规律具有重要的影响。因此,大孔吸附树脂与底物间构效关系的匹配程度及其对选择性的影响是大孔吸附树脂分离理论研究的核心。本文最后介绍了可以准确客观描述吸附过程并具有一定使用范围的大孔吸附树脂吸附模型的建立和评价。
关键词： 大孔吸附树脂, 吸附机理, 吸附模型
Macroporous adsorption resins (MARs), which are synthetic porous crosslinked polymer beads, have been developed into a kind of novel functional materials since 1950’. They have widely been used in the fields such as pharmaceutical, chemical, food industries, and wastewater treatment. Besides the traditional research on applications of the commercial MARs in the enrichment process of target compound, some theoretical researches on the adsorption features of MARs are also introduced in this article, including adsorption isotherms, kinetics, driving forces, and interaction models. First, the adsorption isotherm patterns of target compound on MARs are discussed. Second, the diffusion patterns of targets on the surface and internal MARs are illustrated. The relationship between properties of MARs and structures of target compound effects the law of adsorption selection, and the investigation of this relationship is the key problem of theoretical research on separation and adsorption. Moreover, the ultimate purpose of theoretical research on MARs is the establishment and evaluation of adsorption model which could explain the adsorption process objective with a wide range of applications. At last, some suggestions for considering multi-layer adsorption process, adsorption and desorption rates, features of adsorption solution, and physical parameters of MARs into the derivation of model are put forward. Contents 1 Introduction
2 Adsorption isotherms
3 Adsorption kinetcis
4 Interaction forces of adsorption
5 Adsorption model
6 Outlook
Key words: macroporous adsorption resins, adsorption mechanism, adsorption model

中图分类号: 

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大孔吸附树脂的吸附机理