Super-adsorbent material based on functional polymer particles with a multilevel porous structure
Super-adsorbent material based on functional polymer particles with a multilevel porous structure
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基于多级多孔结构功能聚合物颗粒的超吸附材料
DOI：
10.1038/am.2016.117
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发表时间：
2016-08-01
影响因子：
9.7
通讯作者：
Yang, Wantai
中科院分区：
文献类型：
--
作者：
Chen, Dong;Wang, Li;Yang, Wantai
设计并制备了由亚微米大小的空腔和交联壳内相互连接的介孔组成的多层结构的多孔聚合物颗粒。交联壳中极高密度的酸酐基团可以方便地转化为多功能官能团，用于吸附有害污染物。作为概念的证明，我们利用羧酸功能化中空颗粒作为选择性吸附剂去除碱性染料亚甲基蓝，发现这些颗粒具有非常高的吸附能力（1603 mg g(-1)）。此外，颗粒的中空结构、高度互联的介孔和刚性外壳不仅使吸附剂具有快速的吸附/解吸速率，而且使其易于分离和再生。我们相信这些多孔聚合物颗粒在许多领域都有很大的应用潜力，包括作为吸附剂、催化剂载体和敏感材料的结合基质。
Porous polymer particles with multilevel structures consisting of submicron-sized hollow cavities and interconnected mesopores within the crosslinked shell were designed and prepared. An extremely high density of anhydride groups in the crosslinked shell can be conveniently converted into versatile functional groups for the adsorption of hazardous pollutants. As a proof of concept, we utilized carboxylate-functionalized hollow particles as a selective adsorbent for the removal of the basic dye methylene blue and found that these particles exhibited a very high adsorption capacity (1603 mg g(-1)). Furthermore, the hollow structure, highly interconnected mesopores and rigid shell of the particles not only endow the adsorbent with fast adsorption/desorption rates but also facilitate their facile separation and easy regeneration. We believe that these porous polymer particles have great potential for applications in many fields, including as adsorbents, catalyst supports and matrices for the binding of sensitive materials.