Wypych Fernando, Schreiner Wido H, Marangoni Rafael
Centro de Pesquisas em Quíica Aplicada, CEPESQ, Departamento de Química, Universidade Federal do Paraná (UFPR), CP 19081, Curitiba, PR, 81531-990, Brazil.
J Colloid Interface Sci. 2002 Sep 1;253(1):180-4. doi: 10.1006/jcis.2002.8489.
Layered brucite was synthesized at room temperature and, after characterization, was reacted in a closed flask with either ethylene glycol or glycerol. Powder X-ray diffraction patterns have shown that new compounds with interlayer expansions were obtained. New bands attributed to grafting of ethylene glycol and glycerol into the interlayer surface of brucite were detected by FTIR. XPS spectroscopy and thermal analyses (TG/DSC) have shown that nearly all of the hydroxide groups of the layers were replaced by either ethylene glycol or glycerol through Mg-O-C bonds.
层状水镁石在室温下合成，表征后在密闭烧瓶中与乙二醇或甘油反应。粉末X射线衍射图谱表明获得了具有层间膨胀的新化合物。通过傅里叶变换红外光谱检测到归因于乙二醇和甘油接枝到水镁石层间表面的新谱带。X射线光电子能谱和热分析（热重/差示扫描量热法）表明，层中的几乎所有羟基都通过Mg-O-C键被乙二醇或甘油取代。
