Two types of layered hydroxide zinc m-aminobenzoate compounds with structures of layered basic metal salt （LBMS） were prepared by the reaction of zinc hydroxide with m-aminobenzoic acid solution in the temperature r...Two types of layered hydroxide zinc m-aminobenzoate compounds with structures of layered basic metal salt （LBMS） were prepared by the reaction of zinc hydroxide with m-aminobenzoic acid solution in the temperature range of 40----120℃. The formation reactions, structures, chemical compositions, and exfoliation reactions of the layered compounds in alcohol solvents were investigated by XRD, TG-DTA, SEM, and TEM. One layered phase with a basal spacing of 1.08 nm has a a-Ni（OH）2-1ike structure, and its chemical formula can be written as Zn（OH）0.67（m-NH2C6HaCOO）l.33. This phase has strip-like particle morphology and cannot be exfoliated into its nanosheets in alcohol solvents. The other layered phase with a basal spacing of 2.66 nm has a zinc hydrox- ide-nitrate-like structure, and can be exfoliated in alcohol solvents.展开更多
基金Project supported by the Shaanxi Provincial Natural Science Foundation （No. 2007B24）, and the Education Office of Shaanxi Province （No. 2010JK409） of China.
文摘Two types of layered hydroxide zinc m-aminobenzoate compounds with structures of layered basic metal salt （LBMS） were prepared by the reaction of zinc hydroxide with m-aminobenzoic acid solution in the temperature range of 40----120℃. The formation reactions, structures, chemical compositions, and exfoliation reactions of the layered compounds in alcohol solvents were investigated by XRD, TG-DTA, SEM, and TEM. One layered phase with a basal spacing of 1.08 nm has a a-Ni（OH）2-1ike structure, and its chemical formula can be written as Zn（OH）0.67（m-NH2C6HaCOO）l.33. This phase has strip-like particle morphology and cannot be exfoliated into its nanosheets in alcohol solvents. The other layered phase with a basal spacing of 2.66 nm has a zinc hydrox- ide-nitrate-like structure, and can be exfoliated in alcohol solvents.
