Besides, the spacer carbon chain length of the tetrameric quaternary ammonium ion also displays important influence on the performance of the system.
另外，季铵离子头基之间的连接链长度对体系的性能也有重要的影响。
Montmorillonite was ion exchanged with quaternary ammonium salt, which was intercalated into the crystal layers of MMT.
用长链季铵盐对蒙脱土进行离子交换反应，季铵盐嵌入到蒙脱土的层间。
Sodium-montmorillonite was modified with different quaternary ammonium salts through the ion-exchange method.
采用离子交换法将不同季铵盐插层到钠基蒙脱土中制备了改性蒙脱土。
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