新型基于倍半硅氧烷的多孔材料的制备与化学结构分析

The Preparation and Chemical Structure Analysis of Novel POSS-Based Porous Materials.

作者信息

Yang Xiaomei, Yin Guangzhong, Li Zhiyong, Wu Pengfei, Jin Xiaopei, Li Qifang

机构信息

State Key Laboratory of Biobased Fiber Manufacturing Technology, China Textile Academy, Beijing 100025, China.

College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China.

出版信息

Materials (Basel). 2019 Jun 17;12(12):1954. doi: 10.3390/ma12121954.

DOI:10.3390/ma12121954

PMID:31213014

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6630320/

Abstract

In this work, we reported the preparation and chemical analysis of novel polyhedral oligomeric silsesquioxane (POSS)-based porous materials, which were prepared according to Friedel-Crafts chloromethylation by using aluminum chloride as the catalyst and dichloromethane as the solvent. Through controlling the treatment solvent (water or methanol) and kinds of POSS, several materials with different morphologies were conveniently obtained. The chemical structure of porous materials was systematically characterized by Fourier-transform infrared (FTIR) spectra, Si Nuclear Magnetic Resonance (NMR), C NMR, and X-ray photoelectron spectroscopy (XPS). The samples were further characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA) to study their crystallinity, morphology, and thermal properties, respectively. The work systematically demonstrated the chemical structure of the porous materials. Moreover, the advantages and disadvantages of the preparation method and typical properties of the material were evaluated through a comparative analysis with other related research works.

摘要

在这项工作中，我们报道了新型基于多面体低聚倍半硅氧烷（POSS）的多孔材料的制备及化学分析，这些材料是通过使用氯化铝作为催化剂、二氯甲烷作为溶剂，按照傅克氯甲基化反应制备的。通过控制处理溶剂（水或甲醇）以及POSS的种类，方便地获得了几种具有不同形态的材料。利用傅里叶变换红外（FTIR）光谱、硅核磁共振（NMR）、碳核磁共振（C NMR）和X射线光电子能谱（XPS）对多孔材料的化学结构进行了系统表征。通过X射线衍射（XRD）、扫描电子显微镜（SEM）和热重分析（TGA）对样品进行了进一步表征，分别研究了它们的结晶度、形态和热性能。这项工作系统地展示了多孔材料的化学结构。此外，通过与其他相关研究工作的对比分析，评估了该制备方法的优缺点以及材料的典型性能。