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学科主题: 物理化学
题名: Polystyrene sulphonic acid resins with enhanced acid strength via macromolecular self-assembly within confined nanospace
作者: Zhang, Xiaomin1, 2;  Zhao, Yaopeng1;  Xu, Shutao3;  Yang, Yan1;  Liu, Jia1;  Wei, Yingxu3;  Yang, Qihua1
通讯作者: 杨启华
刊名: NATURE COMMUNICATIONS
发表日期: 2014
DOI: 10.1038/ncomms4170
卷: 5, 期:1, 页:3170
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: Tightening environmental legislation is driving the chemical industries to develop efficient solid acid catalysts to replace conventional mineral acids. Polystyrene sulphonic acid resins, as some of the most important solid acid catalysts, have been widely studied. However, the influence of the morphology on their acid strength-closely related to the catalytic activity-has seldom been reported. Herein, we demonstrate that the acid strength of polystyrene sulphonic acid resins can be adjusted through their reversible morphology transformation from aggregated to swelling state, mainly driven by the formation and breakage of hydrogen bond interactions among adjacent sulphonic acid groups within the confined nanospace of hollow silica nanospheres. The hybrid solid acid catalyst demonstrates high activity and selectivity in a series of important acid-catalysed reactions. This may offer an efficient strategy to fabricate hybrid solid acid catalysts for green chemical processes.
关键词[WOS]: SOLID-STATE NMR ;  PERIODIC MESOPOROUS ORGANOSILICA ;  FRIEDEL-CRAFTS ALKYLATION ;  ION-EXCHANGE RESINS ;  CATALYTIC-ACTIVITIES ;  HOLLOW SPHERES ;  SILICA ;  SHELL ;  NANOCOMPOSITES ;  CHEMISTRY
语种: 英语
WOS记录号: WOS:000331104000007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144214
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
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Xiaomin,Zhao, Yaopeng,Xu, Shutao,et al. Polystyrene sulphonic acid resins with enhanced acid strength via macromolecular self-assembly within confined nanospace[J]. NATURE COMMUNICATIONS,2014,5(1):3170.
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