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Preparation of alumina-carbon composites with phloroglucinol-formaldehyde resin and their application in asymmetric hydrogenation

查看全文 作　　者：Wenrui [1]Cai;Renjie [1]Xiong;Cong [1]Mao;Meitian [1]Xiao;Yongjun [1]Liu;Ranjith Kumar [1]Kankala;Xueqin [1]Zhang 高影响力作者 机构地区：[1]College of Chemical Engineering,Huaqiao University,Xiamen 361021,China高影响力机构 出　　处：《Chinese Chemical Letters》索引2020年第31卷第5期,共5页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(Nos.51603077,21603077);the Natural Science Foundation of Fujian Province(No.2019J01077);Marine High-Tech Industry Development Project of Fujian Province[No.(2016)17];Promotion Program for Young and Middle-AgedTeacher in Science and Technology Research of Huaqiao University(No.ZQN-PY516);Subsidized Project for Postgraduates’Innovative Fund in Scientific Research of Huaqiao University。 摘　　要：To overcome the shortcomings of single component carrier supported platinum(Pt)-based catalysts,herein,we demonstrate the fabrication of alumina combined mesoporous carbon to prepare a series of alumina-carbon composites and their corresponding Pt-based catalysts.The alumina-carbon composites Al@PhFC are synthesized by using phloroglucinol-formaldehyde resin as carbon source and aluminum acetylacetone as the aluminum source.Further,the effect of alumina content on the properties of the composites is investigated.The composites and catalysts are characterized by using XRD,XPS,N2 sorption,and TEM.The Pt/Al@PhFC-1.8 composite with appropriate amounts of alumina,pore diameter,and moderate Pt nanoparticle size,resulted in 99.5%of conversion efficiency and 77.4%of optical selectivity in the asymmetric hydrogenation of ethyl 2-oxo-4-phenylbutanoate(EOPB).Intere stingly,this composite can be used more than 20 times without a significant decrease in its performance. 关 键 词：Phloroglucinol-formaldehyde resin Alumina-carbon composite Asymmetric hydrogenation Pt nanoparticles
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