According to the analysis of XRD, FTIR, SEM and EDS, it can be seen that the layers of kaolinite were exfoliated by the intercalation of carboxymethyl starch and the layers dispersed into the carboxymethyl starch.

• 结合XRD ；FTIR ；SEM和EDS等测试手段对复合材料的结构进行了表征 .