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学科主题: 物理化学
题名: Thiol-Epoxy Click Polymerization for Preparation of Polymeric Monoliths with Well-Defined 3D Framework for Capillary Liquid Chromatography
作者: Lin, Hui1, 2;  Ou, Junjie1;  Liu, Zhongshan1, 2;  Wang, Hongwei1, 2;  Dong, Jing1;  Zou, Hanfa1
通讯作者: 欧俊杰 ;  邹汉法
刊名: ANALYTICAL CHEMISTRY
发表日期: 2015-03-17
DOI: 10.1021/acs.analchem.5b00006
卷: 87, 期:6, 页:3476-3483
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A facile approach was developed for,direct preparation of organic monoliths via the alkaline-catalyzed thiol-epoxy click polymerization: Two organic monoliths were prepared by using tetraphenylolethane glycidyl ether as a multiepoxy monomer, and trimethylolpropane tris(3-mercaptopropionate) and pentaerythritol tetrakis(3-mercaptopropionate) as the multithiol monomer, respectively, in the presence of a tertiary porogenic system (DMSO/PEG200/H2O). The obtained organic monoliths showed high thermal; mechanical and chemical stabilites. Benefiting from the step-growth polymerization process, two organic monoliths possessed well-defined 3D framework microstructure, and exhibited high permeabilities and column efficiencies in capillary liquid chromatography. A series of neutral, basic and acidic small molecules were used to comprehensively evaluate the separation abilities of these monoliths; and satisfactory chromatographic performance with column efficiencies ranged from 35 500 to 132 200 N/m Was achieved, demonstrating good separation abilities of these organic Monoliths prepared via thiol-epoxy click polymerization approach, Besides, multiple retention mechanisms, including hydrophobic, hydrophilic and pi-pi conjugate interations were observed,,during the separation of analytes on these monoliths, which Would make them promising for more extensive applications in capillary liquid chromatography.
关键词[WOS]: LARGE SURFACE-AREA ;  RING-OPENING POLYMERIZATION ;  SMALL MOLECULES ;  STATIONARY PHASES ;  POROUS PROPERTIES ;  HYBRID MONOLITHS ;  SILICA-GEL ;  COLUMNS ;  CHEMISTRY ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000351325800051
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143786
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, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Lin, Hui,Ou, Junjie,Liu, Zhongshan,et al. Thiol-Epoxy Click Polymerization for Preparation of Polymeric Monoliths with Well-Defined 3D Framework for Capillary Liquid Chromatography[J]. ANALYTICAL CHEMISTRY,2015,87(6):3476-3483.
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