A Stepwise Route to the Synthesis of Mg-Al-LDHs and the Intercalation Assembly of Organo-LDHs
(0) Mg-Al layered double hydroxides (LDHs) was synthesized by stepwise route, and benzoic-LDHs, o-aminobenzoic-LDHs, and o-hydroxybenzoic-LDHs intercalation assembly were obtained by ion-exchange method. In the stepwise route, we controlled the state of Al composition as Al hydroxyl aqueous complexes in the aqueous solution first, then dropwise Mg2+ and OH- and keep the procedure at constant pH value simultaneously at normal room temperature. The textural and structure properties of the resulting Mg-Al-LDHs and organo-LDHs were characterized by XRD. The results showed that LDHs obtained were pure and highly crystalline. The intercalation assembly of benzoic-LDHs, o-aminobenzoic-LDHs, and o-hydroxybenzoic-LDHs obtained by ion-exchange kept the layer structure.
Mg-Al-LDHs Al hydroxyl aqueous complexes organo-LDHs intercalation assembly
LIU Zhao-hui GU Xiao-hua YANG Zhi-guo SHEN Xin-yuan
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 4500
国际会议
北京
英文
285-286
2006-08-03（万方平台首次上网日期，不代表论文的发表时间）