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往高岭石中添加十二烷酸、十四烷酸、正十六烷酸、反油酸、油酸、12-羟基硬脂酸和C_8-C_(10)混合酸的钠盐和钾盐后,对其进行了x射线粉末衍射、核磁共振(NMR)、傅里叶变换红外光谱及热分析的研究。由于插入作用,高岭石C轴间距从7(?)扩大到11(?)。这种膨胀与脂肪酸中烷基的链长无关。高岭石层间中有机化合物分子的取向近于平直。′H核磁共振表明,在十二烷酸钾插入时,其排列规律有所增强。高岭石的羟基谱带在3696cm~(-1)和3619cm~(-1)波数的相对强度的改变或补偿与插入作用有关。当上述盐被添加到高岭石中时,它们的分解温度降低。
To kaolinite add dodecanoic acid, myristic acid, n-hexadecanoic acid, elaidic acid, oleic acid, 12-hydroxystearic acid and C_8-C10 mixed acid sodium and potassium salt After its X-ray powder diffraction, nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy and thermal analysis. Due to the insertion, the kaolinite C-axis spacing increases from 7 (?) To 11 (?). This expansion has nothing to do with the chain length of alkyl groups in fatty acids. The alignment of the organic compounds in the kaolinite interlayer is nearly straight. ’H nuclear magnetic resonance showed that the arrangement of potassium dodecanoate increased its regularity. The change or compensation of the relative intensity of kaolinite hydroxyl bands at 3696 cm -1 and 3619 cm -1 wavenumbers is related to the insertion. When the above salts are added to kaolinite, their decomposition temperature decreases.