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Epoxidation of cyclohexene on Ti/SiO2 catalysts prepared by chemical grafting TiCl4 on deboronated silica xerogel
Wang, SL; Yang, QH; Wu, ZL; Li, MJ; Lu, JQ; Tan, ZY; Li, C
关键词Ti/de[b]Sio2 Chemical Grafting Deboronation Cyclohexene Epoxidation
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2001-07-05
172期:1-2页:219-225
收录类别SCI
文章类型Article
部门归属5094
项目归属503
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]MIXED OXIDES ; LEWIS ACIDITY ; OXIDATION ; TI ; BORALITES ; ZEOLITES ; PEROXIDE ; OLEFINS
英文摘要Ti/SiO2 (or Ti/de[B]SiO2) catalysts were prepared by grafting deboronated silica xerogel with gaseous TiCl4. Using TBHP as oxidant, the Ti/de[B]SiO2 catalyst shows both catalytic activity and selectivity in epoxidation of cyclohexene better than 80%, and the activity can be comparable with that of Ti-beta. The catalytic activity of Ti/de[B]SiO2 strongly depends on the content of B of support precursor, and the pretreatment temperature of the support. IR studies show that the sites in the deboronated silica xerogel to react with TiCl4 are not only the silanol nests, but also the defect sites produced during the deboronation. (C) 2001 Elsevier Science B.V. All rights reserved.
语种英语
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WOS记录号WOS:000169714900020
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/85827
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Dept Chem, Dalian 116029, Peoples R China
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GB/T 7714
Wang, SL,Yang, QH,Wu, ZL,et al. Epoxidation of cyclohexene on Ti/SiO2 catalysts prepared by chemical grafting TiCl4 on deboronated silica xerogel[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2001,172(1-2):219-225.
APA Wang, SL.,Yang, QH.,Wu, ZL.,Li, MJ.,Lu, JQ.,...&Li, C.(2001).Epoxidation of cyclohexene on Ti/SiO2 catalysts prepared by chemical grafting TiCl4 on deboronated silica xerogel.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,172(1-2),219-225.
MLA Wang, SL,et al."Epoxidation of cyclohexene on Ti/SiO2 catalysts prepared by chemical grafting TiCl4 on deboronated silica xerogel".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 172.1-2(2001):219-225.
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