Na-montmorillonite(Na-MMT) was modified with different quaternary phosphonium salts using ion-exchange method,and the structures and property of modified montmorillonite were studied.

• 采用离子交换法将不同的季鏻盐交换到钠基蒙脱土的层间得到改性蒙脱土,并对改性蒙脱土的结构和性能进行了研究。