Exfoliative Mg/Al layered double hydroxide (Mg/Al-LDHGly) was obtained via hydrothermal synthesis in the presence of glyeine. The product prepared by hydrothermal reaction for 10 h at 120℃possesses high thermal sta...Exfoliative Mg/Al layered double hydroxide (Mg/Al-LDHGly) was obtained via hydrothermal synthesis in the presence of glyeine. The product prepared by hydrothermal reaction for 10 h at 120℃possesses high thermal stability and maximal erystallite size in a, c directions. TEM and SEM analyses show that Mg/Al-LDHGly was of well-crystallized hexagonal product with stacks of slightly curved layers. Benefiting from mechanism investigation on its gradual delamination in formamide, rapid delamination of Mg/Al-LDHGly at room temperature was realized, which provided fundamental for preparation of (Mg/Al-LDHGly)/polymer nanoeomposites by using exfoliation-adsorption method.展开更多
基金ACKN0WLEDGEMENT This work was supported by the National Natural Science Foundation of China (No.50323005, No.50476026).
文摘Exfoliative Mg/Al layered double hydroxide (Mg/Al-LDHGly) was obtained via hydrothermal synthesis in the presence of glyeine. The product prepared by hydrothermal reaction for 10 h at 120℃possesses high thermal stability and maximal erystallite size in a, c directions. TEM and SEM analyses show that Mg/Al-LDHGly was of well-crystallized hexagonal product with stacks of slightly curved layers. Benefiting from mechanism investigation on its gradual delamination in formamide, rapid delamination of Mg/Al-LDHGly at room temperature was realized, which provided fundamental for preparation of (Mg/Al-LDHGly)/polymer nanoeomposites by using exfoliation-adsorption method.