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Chemcial Industry and Engineering 2005, Vol. 22 Issue (3) :202-205    DOI:
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Preparation of 2,4��-Dihydroxydiphenylsulfone
QIU Ming-yan~(1,2),ZHANG Tian-yong~1,SHAO Hong-fei~1,YUAN Zhong-fei~3 (1.School of Chemical Engineering,Tianjin University,Tianjin 300072,China; 2.Department of Chemical Engineering,An Yang Institute of Technology,Henan Anyang 455000,China; 3.Nantong Baisheng Chemical Co. Ltd.,Jiangsu Nantong 226236,China)
(1,2),ZHANG Tian-yong~1,SHAO Hong-fei~1,YUAN Zhong-fei~3 (1.School of Chemical Engineering,Tianjin University,Tianjin 300072,China; 2.Department of Chemical Engineering,An Yang Institute of Technology,Henan Anyang 455000,China; 3.Nantong Baisheng Chemical Co. Ltd.,Jiangsu Nantong 226236,China

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Abstract 2,4��-Dihydroxydiphenylsulfone(2,4��-BPS) was prepared from phenol and H_2SO_4.Mesitylene and phosphorous acid were the better solvent and catalyst,respectively.The other optimum technologies for synthesis and purification of 2,4��-BPS were also obtained.The total yield of 2,4��-BPS was 18.8%(based on H_2SO_4 used) with a purity beyond 95%.
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Received 2005-05-15; published 2005-05-15
Cite this article:   
QIU Ming-yan~.Preparation of 2,4��-Dihydroxydiphenylsulfone[J]  Chemcial Industry and Engineering, 2005,V22(3): 202-205
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