Zhong Zicheng, Peng Xiaojie, Gao Hui, Hussain Irshad, Wang Xiaoyan, Tan Bien
Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
Macromol Rapid Commun. 2025 Jan;46(1):e2400494. doi: 10.1002/marc.202400494. Epub 2024 Sep 18.
Hierarchical porous hypercrosslinked monoliths (PolyHIPE-HCP) with ultrahigh specific surface areas are prepared via a solvent knitting strategy. Compared to previous work, the solvent knitting strategy is carried out in a relatively low air-controlled atmosphere with gradient heating starting from low temperature while using DCM (Dichloromethane) as both a solvent and a cross-linker, allowing for a slow and controlled cross-linking process, thereby achieving a BET surface area ranging from 514 to 728 m g. Scanning electron microscopy (SEM) shows that the knitting process does not affect the presence of macroporous structure in the PolyHIPE. With the introduction of mesopores and micropores, these hierarchical porous monoliths exhibit significant potential for applications in gas adsorption and water treatment. Hence, a universal, simple and low-cost method to synthesize polymeric monoliths with hierarchically porous structure and higher surface area is proposed, which has fascinating prospects in industrialization.
通过溶剂编织策略制备了具有超高比表面积的分级多孔超交联整体材料（PolyHIPE-HCP）。与之前的工作相比，溶剂编织策略是在相对低空气控制的气氛中进行的，采用从低温开始的梯度加热，同时使用二氯甲烷（DCM）作为溶剂和交联剂，实现缓慢且可控的交联过程，从而获得了514至728 m²/g的BET表面积。扫描电子显微镜（SEM）显示，编织过程不影响PolyHIPE中宏观多孔结构的存在。随着中孔和微孔的引入，这些分级多孔整体材料在气体吸附和水处理应用中展现出巨大潜力。因此，提出了一种通用、简单且低成本的方法来合成具有分级多孔结构和更高表面积的聚合物整体材料，该方法在工业化方面具有迷人的前景。
