在溴化1-丁基-3-甲基咪唑离子液体中,于低温80℃反应30min即可制得结晶完好的磷酸铝方英石.详细考察了有机胺和HF的加入量、反应原料磷铝比和反应时间等对合成固体磷酸盐骨架结构的影响.粉末X射线衍射和高分辨固体核磁共振结果表明,合成的方英石晶体为α晶相,磷铝物种大部分位于分子筛骨架上,并以四配位的形式通过Al-O-P键相连.
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