陕西师范大学学报：自然科学版2011，Vol.39Issue(5)：51-54,66,5.
三乙胺对微波水热合成SAPO-5分子筛微球的影响
Synthesis of SAPO-5 molecular sieve microspheres through microwave hydrothermal method and it＇s formation mechanism
摘要
Abstract
SAPO-5 molecular sieve microspheres and its microcrystal were synthesized with TEA as template using microwave hydrothermal technique.Influence of the template on the shape and surface structure of SAPO-5 molecular sieve was investigated.The molecular sieves were characterized with X-ray diffraction spectroscopy（XRD） and scanning electron microscopy（SEM）.The results showed that the SAPO-5 molecular sieve had AFI-type crystalline structure,high crystallinity and six prism microcrystal,and the microspheres composed of SAPO-5 microcrystals possess high crystallinity and good integrity.The dosage of TEA greatly affected the surface structure and the assembling behaviors of SAPO-5 molecular sieve.In presence of high dosage of TEA,the SAPO-5 molecular sieve microcrystals were formed.Under the low dosage of TEA,the SAPO-5 molecular sieve microspheres with integrity surface could be obtained.The proposed formation mechanism indicates that TEA acts not only as structure-directed agent（SDA） for the synthesis of SAPO-5 molecular sieve but also as the control agent for formation of microspheres with hierarchical structure.关键词
SAPO-5分子筛/微波水热合成/SAPO-5微球Key words
SAPO-5 molecular sieve/synthesis microwave hydrothermal/SAPO-5 microsphere分类
化学引用本文复制引用
高俊萍,路丽华,陈亚芍,董涛,王太山..三乙胺对微波水热合成SAPO-5分子筛微球的影响[J].陕西师范大学学报：自然科学版,2011,39(5):51-54,66,5.基金项目
陕西省科技攻关计划项目 （）
