二, 三の有機ベントナイトの構造 : 粘土-有機複合体の特性と利用特集号 -第13回粘土科学討論会シンポジウム

概要

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The structure of octadecylamine-bentonite, trimethyl-octadecylamine-bentonite and stera-mide-octadecylamine complex bentonite were studied by various methods. The relation between the organic content and the separation of the crystal layer of montmorillonite was measured by X-ray diffraction. The adsorption state of these organic molecules on the lattice layers of montmorillonite lamellae has been studied by infrared spectra and differential thermal analysis. These results suggest that the octadecylamine-bentonite was-prepared by cation exchange adsorption as usually considered. On the other hand, from the results of DTA and infrared spectrum for the octadecylamine-steramide complex bentonite, it was concluded that the steramide and octadecylamine between the lattice layer of montmorillonite was associated in the mole ratio of 1 : 1., and steramide molecule was chemically bonded by a hydrogen bond with crystal lattice of montmorillonite. The lattice images corresponding to (001) planes of these organic bentonite were observed by electron microscope.
日本粘土学会の論文
1970-07-15