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Activity enhancement of Nafion resin: Vapor-phase carbonylation of dimethoxymethane over Nafion-silica composite
Liu, Shiping1,2; Zhu, Wenliang1; Shi, Lei1; Liu, Hongchao1; Liu, Yong1; Ni, Youming1; Li, Lina1,2; Zhou, Hui1,2; Xu, Shutao1; He, Yanli1; Liu, Zhongmin1
关键词Dimethoxymethane Carbonylation Ethylene Glycol Methyl Methoxy Acetate Nafion-silica Composite
刊名APPLIED CATALYSIS A-GENERAL
2015-05-01
DOI10.1016/j.apcata.2015.03.010
497页:153-159
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
类目[WOS]Chemistry, Physical ; Environmental Sciences
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]SOLID ACID CATALYSIS ; SURFACE-AREA ; STATE NMR ; ZEOLITES ; SITES ; NANOCOMPOSITES ; FORMALDEHYDE ; SOLVATION ; FRAMEWORK ; STRENGTH
英文摘要A kind of composite materials consisting of nano-sized Nafion resin homogeneously dispersed in a high-surface silica matrix was prepared by sol-gel method and used as catalysts in the vapor-phase carbonylation reaction of dimethoxymethane for production of methylmethoxy acetate. These composite catalysts showed much higher catalytic activity in comparison with the original pure Nafion resin catalyst. The remarkable improvement of catalytic performance was due to the increased accessibility of acid sites of Nafion resin in the composite catalysts. The contents of Nafion-H resin and silica precursors were found to have a great influence on the structure of the composite, resulting in different catalytic activity during DMM carbonylation reactions. Furthermore, the comparison of the composite catalysts with high-silica H-Y and H-Beta zeolite catalysts demonstrated that the excellent catalytic performance is closely related to the higher acid strength and larger pores of Nafion-silica composite materials. (C) 2015 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000355052300017
引用统计
被引频次:4[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/321008/146268
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, Dalian Natl Lab Clean Energy, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, Shiping,Zhu, Wenliang,Shi, Lei,et al. Activity enhancement of Nafion resin: Vapor-phase carbonylation of dimethoxymethane over Nafion-silica composite[J]. APPLIED CATALYSIS A-GENERAL,2015,497:153-159.
APA Liu, Shiping.,Zhu, Wenliang.,Shi, Lei.,Liu, Hongchao.,Liu, Yong.,...&Liu, Zhongmin.(2015).Activity enhancement of Nafion resin: Vapor-phase carbonylation of dimethoxymethane over Nafion-silica composite.APPLIED CATALYSIS A-GENERAL,497,153-159.
MLA Liu, Shiping,et al."Activity enhancement of Nafion resin: Vapor-phase carbonylation of dimethoxymethane over Nafion-silica composite".APPLIED CATALYSIS A-GENERAL 497(2015):153-159.
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