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题名: Tuning the Surface Polarity of Microporous Organic Polymers for CO2 Capture
作者: Chen, Jian1, 2;  Li, He1;  Zhong, Mingmei1, 2;  Yang, Qihua1
关键词: amines ;  carbon dioxide capture ;  microporous materials ;  polymers ;  sulfur
刊名: CHEMISTRY-AN ASIAN JOURNAL
发表日期: 2017-09-05
DOI: 10.1002/asia.201700779
卷: 12, 期:17, 页:2291-2298
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: CO2 capture is very important to reduce the CO2 concentration in atmosphere. Herein, we report the preparation of microporous polymers with tunable surface polarity for CO2 capture. Porous polymers functionalized with -NH2, -SO3H, and -SO3Li have been successfully prepared by using a post-synthesis modification of microporous polymers (P-PhPh3 prepared with 1,3,5-triphenylbenzene as the monomer and AlCl3 as the catalyst) by chemical transformations, such as nitration-reduction, sulfonation, and cationic exchange. The CO2 adsorption selectivity (CO2/N-2 and CO2/H-2) and isosteric heats of the microporous polymers increase markedly after modification, P-PhPh3-NH2 and P-PhPh3-SO3Li afford higher CO2 uptake capacity than P-PhPh3 at pressures of less than 0.15bar due to the enhanced interaction between CO2 and the -NH2 and -SO3Li functional groups. Moreover, functionalized porous polymers could be stably used for CO2 capture. Surface modification is an efficient approach to tune the CO2 capture properties of porous polymers.
关键词[WOS]: CARBON-DIOXIDE CAPTURE ;  FUNCTIONALIZED NANOPOROUS MATERIALS ;  AMBIENT CONDITIONS ;  MESOPOROUS SILICA ;  ZEOLITE 13X ;  BASIC SITES ;  ADSORPTION ;  STORAGE ;  GAS ;  SEPARATION
语种: 英语
WOS记录号: WOS:000409257600022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149859
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 IChEM, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Chen, Jian,Li, He,Zhong, Mingmei,et al. Tuning the Surface Polarity of Microporous Organic Polymers for CO2 Capture[J]. CHEMISTRY-AN ASIAN JOURNAL,2017,12(17):2291-2298.
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