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PS-SO3H@phenylenesilica with yolk-double-shell nanostructures as efficient and stable solid acid catalysts
Zhang, Xiaomin1,2; Zhao, Yaopeng1; Yang, Qihua1
关键词Solid Acid Catalyst Sulfonation Polystyrene Esterification Friedel-crafts Alkylation
刊名JOURNAL OF CATALYSIS
2014-12-01
DOI10.1016/j.jcat.2014.09.018
320页:180-188
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]ION-EXCHANGE-RESINS ; STATE NMR-SPECTROSCOPY ; PORE WALL STRUCTURE ; HETEROGENEOUS CATALYSTS ; PROBE MOLECULES ; P-31 NMR ; SILICA ; STRENGTH ; DESIGN ; SBA-15
英文摘要Efficient and stable solid acids have been successfully synthesized by sulfonation of polystyrene (PS) in the hollow interiors of silica-based hollow nanostructures. It was found that larger and smaller inner void spaces result in the formation of PS-SO3H@phenylenesilica respectively with double-shell (DSNs) and yolk-double-shell nanostructure (YDSNs). PS-SO3H@phenylenesilica with DSNs and YDSNs nanostructure shows comparable activity and is more active than Amberlyst-15 in the esterification reaction. PS-SO3H@phenylenesilica with YDSNs nanostructure affords higher activity than that with DSNs nanostructure in the Friedel-Crafts alkylation of toluene with 1-hexene, which is mainly attributed to the fact that the unique YDSNs nanostructure could slow down the swelling rate of PS-SO3H during the catalytic process. More importantly, PS-SO3H@phenylenesilica with YDSNs nanostructure showed much higher recycle stability than Amberlyst-15 in the Friedel-Crafts alkylation of toluene with 1-hexene, probably due to the high thermal stability of the sulfonic acid group and the unique YDSNs nanostructure. (C) 2014 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000347134100020
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145627
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhang, Xiaomin,Zhao, Yaopeng,Yang, Qihua. PS-SO3H@phenylenesilica with yolk-double-shell nanostructures as efficient and stable solid acid catalysts[J]. JOURNAL OF CATALYSIS,2014,320:180-188.
APA Zhang, Xiaomin,Zhao, Yaopeng,&Yang, Qihua.(2014).PS-SO3H@phenylenesilica with yolk-double-shell nanostructures as efficient and stable solid acid catalysts.JOURNAL OF CATALYSIS,320,180-188.
MLA Zhang, Xiaomin,et al."PS-SO3H@phenylenesilica with yolk-double-shell nanostructures as efficient and stable solid acid catalysts".JOURNAL OF CATALYSIS 320(2014):180-188.
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