Abstract: Polyurethane foam (PUF) has the characteristics of elastic porous structure, controllable pore structure, adjustable shape, simple preparation process, high stability and high adsorption/desorption rate;it is also easy to separate and realize on-line preconcentration and automation, which make it very suitable for use as adsorption materials. Recently, PUF has been widely used in preconcentration/removal of metal ions. Blank PUF has limited ability of absorbing metal ions and organic compounds, and it also suffered from the low adsorption capacity and poor selectivity. Whereas the modified PUF adsorbents such as physical loaded, chemically modified and composite PUF possess highly improved adsorption properties and selectivity which can realize the adsorption and separation of different metal ions from water. This paper reviews the preparation of different types of PUF including blank PUF, physical loaded PUF, chemically modified and composite PUF, and their application progress as adsorbents in preconcentration/removal of metal ions.
张振江, 祝丽荔, 金娟. 聚氨酯泡沫吸附剂的制备及其在金属离子富集/分离方面的应用*[J]. 《材料导报》期刊社, 2017, 31(5): 34-39.
ZHANG Zhenjiang, ZHU Lili, JIN Juan. Preparation of Polyurethane Foam Adsorbents and Their Application on Preconcentration/Removal of Metal Ions. Materials Reports, 2017, 31(5): 34-39.
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2017, Vol. 31 
