Wang Qian, Zhu Sining, Xi Chen, Zhang Fan
Key Laboratory of Mineral Cleaner Production and Exploit of Green Functional Materials in Hunan Province, College of Chemistry and Chemical Engineering, Jishou University, Jishou, China.
Front Chem. 2022 Mar 4;10:814643. doi: 10.3389/fchem.2022.814643. eCollection 2022.
In recent years, the problem of heavy metal pollution has become increasingly prominent, so it is urgent to develop new heavy metal adsorption materials. Compared with many adsorbents, the polyamide-amine dendrimers (PAMAMs) have attracted extensive attention of researchers due to its advantages of macro-molecular cavity, abundant surface functional groups, non-toxicity, high efficiency and easy modification. But in fact, it is not very suitable as an adsorbent because of its solubility and difficulty in separation, which also limits its application in environmental remediation. Therefore, in order to make up for the shortcomings of this material to a certain extent, the synthesis and development of polymer composite materials based on PAMAMs are increasingly prominent in the direction of solving heavy metal pollution. In this paper, the application of composites based on PAMAMs and inorganic or organic components in the adsorption of heavy metal ions is reviewed. Finally, the prospects and challenges of PAMAMs composites for removal of heavy metal ions in water environment are discussed.
近年来，重金属污染问题日益突出，因此开发新型重金属吸附材料迫在眉睫。与许多吸附剂相比，聚酰胺-胺树枝状大分子（PAMAMs）因其具有大分子空腔、丰富的表面官能团、无毒、高效及易于改性等优点而受到研究人员的广泛关注。但实际上，由于其溶解性和分离困难，它并不是很适合作为吸附剂，这也限制了其在环境修复中的应用。因此，为了在一定程度上弥补这种材料的不足，基于PAMAMs的聚合物复合材料的合成与开发在解决重金属污染方向上日益突出。本文综述了基于PAMAMs与无机或有机组分的复合材料在重金属离子吸附方面的应用。最后，讨论了PAMAMs复合材料在水环境中去除重金属离子的前景与挑战。
