Furthermore, the solid catalysts obtained were characterized with XRD, AAS, XPS and CO2-TPD.The results showed that the basicity of the catalysts greatly affected their activities.

• 用XRD、AAS、XPS、CO2-TPD等对制得的系列催化剂进行了表征,发现催化剂的碱强度对酯交换反应有着重要的影响。