Studies on the Cross-Linking Process of Layer Compound a-Zr(HPO4)2·H2O

Abstract

Abstract: Two new Zeolite like materials, SiO₂-Zr(HPO₄)₂( Ⅰ ) and SiO₂-Zr(HPO₄)₂( Ⅱ ), were synthesized by reacting the cross-liking agents of CH₃Si(OC₂H₅)₃ and NH₂(CH₂)₃Si(OC₂H₅)₃ with layer compound of a-Zr(HPO₄)₂·H₂O. The reactions produced two types of SiO₂-Zr(HPO₄)₂ with different basal spacing.This process was investigated by means of XRD, GCand liquid NMR. The results show that there are three steps in the cross-linking process. Firstly, the cross-liking agents are hy-drolyzed and condensed. Secondly, one type of polymerization state silicon is intercalated into layers in a-Zr(HPO₄)₂·H₂O. Lastly, the intercalated compounds are calcined. During the calcination the groups on the layers react with silicon to form the zeolite like materials.

Key words: Hydrogen, a-zirconium phosphate, Intercalation, Cross-linking

TrendMD:

Ge Ying, Li Liansheng, Xu Ruren, Guo Haichen. Studies on the Cross-Linking Process of Layer Compound a-Zr(HPO₄)₂·H₂O[J]. Chem. J. Chinese Universities, 1990, 11(10): 1048.

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Studies on the Cross-Linking Process of Layer Compound a-Zr(HPO₄)₂·H₂O

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