随着季鏻盐改性蒙脱土浓度的增加和接触时间的延长，改性蒙脱土的抗菌性能增强。

The antimicrobial activity of modified montmorillonite increases with the increase of concentration and contact time.

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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。

Na-montmorillonite(Na-MMT) was modified chlorhexidine acetate(CA)with using ion-exchange method, and the structures and property of CA/MMT were studied.

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