微波辐射条件下混合溶剂体系中AlPO_4-5分子筛的晶貌控制  

Morphology Control of AlPO_4-5 Molecular Sieve in Mixed-solvents System Under Microwave Irradiation

作　　者：田大勇[1] 李激扬[1] 阎文付[1] 曹学静[1] 于吉红[1] 徐如人[2] 

机构地区：[1]吉林大学化学学院无机合成与制备化学国家重点实验室,长春130012 [2]吉林大学化学学院

出　　处：《高等学校化学学报》2008年第12期2492-2495,共4页Chemical Journal of Chinese Universities

基　　金：国家'九七三'计划(批准号:2006CB806103)资助

摘　　要：在微波辐射条件下于混合溶剂体系中实现了AlPO4-5分子筛晶体的形貌控制.实验结果表明,AlPO4-5分子筛晶体的长径比(c/a)随体系中乙二醇与水体积比的增大而减小,其长径比可以在1.7～6.3之间调变.当在体系中加入晶种诱导时,产物晶粒的大小随加入晶种量的增加和诱导时间的延长而明显减小.在正丁醇与水的混合体系中,当正丁醇与水的体积比达到5∶1时,可以形成哑铃形的特殊晶貌.The morphology control of AlPO4-5 crystals was achieved by microwave irradiation in mixed-solvents system.The results show that the aspect ratio of the AlPO4-5（c/a）crystals decreases significantly with the increase of the volume ratio of EG to H2O.Interestingly,the dumbbell shaped AlPO4-5 crystals can be obtained when the volume ratio of n-butanol to H2O reaches to 5∶1 in the mixed-solvents of n-butanol and H2O.With the addition of the crystal seeds,the size of the AlPO4-5 crystals decreases with the increase of the amount of crystal seeds and the stirring time.

关 键 词：ALPO4-5 分子筛 微波 晶貌 长径比 

分 类 号：O611.4[理学—无机化学]