Intercalation of glucosamine and chitosan into layered zirconium phosphates

被引:4
|
作者
Hayashi, A [1 ]
Nakabayashi, Y [1 ]
Yasutomi, J [1 ]
Nakayama, H [1 ]
Tsuhako, M [1 ]
机构
[1] Kobe Pharmaceut Univ, Dept Funct Mol Chem, Higashinada Ku, Kobe, Hyogo 6588558, Japan
关键词
D O I
10.1246/bcsj.79.262
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Glucosamine was directly intercalated into gamma-zirconium phosphate (gamma-ZrP). The intercalation compound with a monolayer structure was obtained by the interaction between the 2-amino group of glucopyranose and the phosphate group in gamma-ZrP. The uptake amount depended on the concentration of the glucosamine aqueous solution rather than reaction time, and reached 0.9mmol per gram of gamma-ZrP at the maximum. On the other hand, chitosan, polysaccharide of glucosamine, could be intercalated into alkylamine-interealated gamma-ZrP as the host compound. Chitosan-intercalated gamma-ZrP showed two phases with different interlayer distances. It was confirmed from C-13 CP/MAS NMR spectra that chitosan exists in the interlayer region of gamma-ZrP for both phases.
引用
收藏
页码:262 / 269
页数:8
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