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题名: PS-SO3H@phenylenesilica with yolk-double-shell nanostructures as efficient and stable solid acid catalysts
作者: Zhang, Xiaomin1, 2;  Zhao, Yaopeng1;  Yang, Qihua1
关键词: Solid acid catalyst ;  Sulfonation ;  Polystyrene ;  Esterification ;  Friedel-Crafts alkylation
刊名: JOURNAL OF CATALYSIS
发表日期: 2014-12-01
DOI: 10.1016/j.jcat.2014.09.018
卷: 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
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.
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
语种: 英语
WOS记录号: WOS:000347134100020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145627
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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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

Recommended Citation:
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.
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