Its interlayer distance increases from 1.54 nm to 2.26 nm. (2) Use quaternary salt with epoxy groups as intercalation guest to intercalate mont morillonite and characterize it with FTIR and XRD.

• 本文主要内容如下： （1）选用带有羟基基团的季铵盐插层剂改性蒙脱土，用XRD对其层间距的变化进行表征，其层间距由1.；54 nm增大到2