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题名:
Highly recyclable and magnetic catalyst of a metalloporphyrin-based polymeric composite for cycloaddition of CO2 to epoxide
作者: Chen, Aibing1; Ju, Pengpeng1,2; Zhang, Yunzhao1,2; Chen, Jinzhu2,3; Gao, Hui2; Chen, Limin4; Yu, Yifeng1
刊名: RSC ADVANCES
出版日期: 2016
卷号: 6, 期号:99, 页码:96455-96466
DOI: 10.1039/c6ra20083d
文章类型: Article
英文摘要: A new core-double-shell microsphere [Fe3O4@SiO2@Zn(Por)OP] was designed and prepared by coating a core-shell composite of Fe3O4 magnetic core and SiO2 shell (Fe3O4@SiO2) with a zinc porphyrin-based organic polymer [Zn(Por)OP]. While, Zn(Por)OP was readily obtained by a convenient condensation of pyrrole and terephthaldehyde in propanoic acid followed by a direct metallation with zinc acetate. Due to the presence of the inner core-shell particles (Fe3O4@SiO2), the cage construction of this composite microsphere Fe3O4@SiO2@Zn(Por) OP was significantly different from that of solid polymeric microsphere Zn(Por) OP, which further infected its physical properties to achieve a controllable morphology regulation easily. Besides, removing the inner core-shell particles of Fe3O4@SiO2 from Fe3O4@SiO2@Zn(Por)OP led to the formation of the Zn(Por)OP hollow microspheres which exhibited outstanding catalytic performance for the cycloaddition of carbon dioxide and propylene oxide to give propylene carbonate (PC) with turnover frequency (TOF) of 13 978 mol(PC) molZn(-1) h(-1). For the Fe3O4@SiO2@Zn(Por)OP composite, the outer organic shell Zn(Por) OP served as the catalytically active layer for the cycloaddition and a PC yield of 97% was obtained. More importantly, the catalyst could be easily recycled from the reaction mixture by magnetic separation and no significant loss of the activity was observed after sixteen cycles. Therefore, this composite microsphere can provide insightful information for further design of magnetic materials with controllable morphology regulation as well as can be extended toward the development of highly efficient, stable and recyclable catalysts in other catalytic reaction systems.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
关键词[WOS]: CONJUGATED MICROPOROUS POLYMER ; CARBON-DIOXIDE FIXATION ; POROUS ORGANIC POLYMERS ; CYCLIC CARBONATES ; CHROMIUM PORPHYRIN ; ALUMINUM PORPHYRIN ; EFFICIENT FIXATION ; CHEMICAL FIXATION ; MOLECULAR-SIEVES ; PROPYLENE-OXIDE
收录类别: SCI
项目资助者: National Natural Science Foundation of China(21172219 ; Natural Science Foundation of Guangdong Province, China(2015A030312007) ; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control ; 21207039 ; 21303209)
语种: 英语
WOS记录号: WOS:000386242500003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.giec.ac.cn/handle/344007/13748
Appears in Collections:中国科学院广州能源研究所_期刊论文

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作者单位: 1.Hebei Univ Sci & Technol, Coll Chem & Pharmaceut Engn, Shijiazhuang 050018, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.Jinan Univ, Sch Chem & Mat Sci, Guangzhou 510632, Guangdong, Peoples R China
4.South China Univ Technol, Guangzhou Higher Educ Mega Ctr, Sch Environm & Energy, Guangdong Prov Key Lab Atmospher Environm & Pollu, Guangzhou 510006, Guangdong, Peoples R China

Recommended Citation:
Chen, Aibing,Ju, Pengpeng,Zhang, Yunzhao,et al. Highly recyclable and magnetic catalyst of a metalloporphyrin-based polymeric composite for cycloaddition of CO2 to epoxide[J]. RSC ADVANCES,2016,6(99):96455-96466.
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