VxOy Supported on Hydrophobic Poly(Ionic Liquid)s as an Efficient Catalyst for Direct Hydroxylation of Benzene to Phenol

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	VxOy Supported on Hydrophobic Poly(Ionic Liquid)s as an Efficient Catalyst for Direct Hydroxylation of Benzene to Phenol
	Han, Hongling; Jiang, Tao; Wu, Tianbin; Yang, Dexin; Han, Buxing
刊名	ChemCatChem
	2015-11-02
卷号	7 期号:21 页码:3526-3532
关键词	benzene hydroxylation ionic liquids peroxides vanadium
英文摘要	Supported vanadium oxides (VxOy) on hydrophobic poly(ionic liquid)s (PILs), for which the PILs were obtained by copolymerization of the ionic liquid (IL) 1-hexadecyl-3-vinylimidazolium bromide and the cross-linker divinylbenzene (DVB), are reported. The VxOy/PIL catalyst was characterized by different techniques, and the performance of the catalyst for the selective oxidation of benzene to phenol was studied with H2O2 as the oxidant. It was demonstrated that VxOy/PIL had much better catalytic performance than the analogous catalyst VxOy/P, prepared with the polymer support (P) obtained from DVB and vinyl imidazole, without the IL. The high activity and selectivity of the VxOy/PIL catalyst could be attributed to the incorporation of the IL during the polymerization, which endowed the VxOy/PIL catalyst with increased specific surface area, stronger absorbent ability, and more active sites than the smooth and bulky VxOy/P. Furthermore, the hydrophobic side chain of the IL in the catalyst was beneficial for the access of benzene and the removal of the generated phenol from the surface of the catalyst, which also played an important role in improving the catalytic performance of VxOy/PIL. Up to 13.4% yield of phenol was achieved, with a high selectivity of 97.5%. In addition, the catalyst could be easily separated and recycled at least three times without significant decline in the phenol yield.
收录类别	SCI
语种	英语
公开日期	2016-05-09
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/29223]
专题	化学研究所_胶体、界面与化学热力学实验室
作者单位	Chinese Acad Sci, Inst Chem, BNLMS, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Han, Hongling,Jiang, Tao,Wu, Tianbin,et al. VxOy Supported on Hydrophobic Poly(Ionic Liquid)s as an Efficient Catalyst for Direct Hydroxylation of Benzene to Phenol[J]. ChemCatChem,2015,7(21):3526-3532.
APA	Han, Hongling,Jiang, Tao,Wu, Tianbin,Yang, Dexin,&Han, Buxing.(2015).VxOy Supported on Hydrophobic Poly(Ionic Liquid)s as an Efficient Catalyst for Direct Hydroxylation of Benzene to Phenol.ChemCatChem,7(21),3526-3532.
MLA	Han, Hongling,et al."VxOy Supported on Hydrophobic Poly(Ionic Liquid)s as an Efficient Catalyst for Direct Hydroxylation of Benzene to Phenol".ChemCatChem 7.21(2015):3526-3532.