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《Fine Chemicals》 2010-12
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Preparation,Characterization and Catalytic Performance of HPW/Al_2O_3 for THF Polymerization

ZHAO Li-li1,JIA Zhi-qi1,ZHAO Min1,SUN Zi-jin2,GE Yuan-yuan1,ZHAO Yong-xiang1(1.School of Chemistry and Chemical Engineering,Engineering Research Center for Fine Chemicals of Ministry of Education,Shanxi University,Taiyuan 030006,Shanxi,China;2.Shanxi Sanwei Group Co.,Ltd,Hongtong 041603,Shanxi,China)  
A series of HPW/Al2O3 solid acid catalyst with loading from 10% to 70% was synthesized.These catalysts were characterized by N2adsorption-desorption,XRD,NH3-TPD,FTIR spectroscopy and Py-IR spectroscopy.These above investigations indicated that HPW kept its Keggin type structure in the loading range of 50%~70%.The catalysts were the strong Brnsted acid and their total acidity increased with the laoding of HPW.The catalytic activities of these catalysts were evaluated by carrying out the polymerization of tetrahydrofuran(THF).The results indicated that the higher acidic catalyst led to the higher yield of the polymer,yet with the lower average molecular weight of the polymer.
【Fund】: 山西省科技攻关计划项目资助(20090321059)~~
【CateGory Index】: O643.32
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