Ruonan Chen, Hongbing Yang, Qiuchen Huang, Mengyi Ba, Wen Li, Yanli Song, Zhiqiang Cai, Tao Sun, Qiaoqiao Feng, Shuai Li
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","PeriodicalId":9420,"journal":{"name":"Canadian Journal of Chemistry","volume":"13 s4","pages":"0"},"PeriodicalIF":1.1000,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Benzimidazolium Ionic Liquid Functionalized Star-polycaprolactone Stationary Phase for Capillary Gas Chromatography\",\"authors\":\"Ruonan Chen, Hongbing Yang, Qiuchen Huang, Mengyi Ba, Wen Li, Yanli Song, Zhiqiang Cai, Tao Sun, Qiaoqiao Feng, Shuai Li\",\"doi\":\"10.1139/cjc-2023-0068\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this work, an innovative ionic liquid functionalized star-shape-polymer is synthesized by coupling star-polycaprolactone with benzimidazolium (star-PCL-Bim), and statically coated into a capillary column for gas chromatographic (GC) separations. The fabricated star-PCL-Bim capillary column with moderate-polar nature reveals a high column efficiency of 3598 plates/m for n-dodecane at 120°C, and advantageous distinguishing ability (R > 1.5) for 9 aromatic isomer mixtures and 12 cis-/trans-isomers. Its excellent resolving capacity can be credit to the architecture of star-PCL-Bim, the PCL arms and π-electron-rich benzimidazolium cations, and it results in a quite different retention behavior of star-PCL-Bim from that of star-PCL and commercial HP-35 columns, with “dual-nature” selectivity in separating a mixture including 29 compounds. These favorable chromatographic characteristics demonstrate the great application potential of this material in GC, and provide a prospective strategy to obtain high-performance stationary phases.
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Benzimidazolium Ionic Liquid Functionalized Star-polycaprolactone Stationary Phase for Capillary Gas Chromatography
In this work, an innovative ionic liquid functionalized star-shape-polymer is synthesized by coupling star-polycaprolactone with benzimidazolium (star-PCL-Bim), and statically coated into a capillary column for gas chromatographic (GC) separations. The fabricated star-PCL-Bim capillary column with moderate-polar nature reveals a high column efficiency of 3598 plates/m for n-dodecane at 120°C, and advantageous distinguishing ability (R > 1.5) for 9 aromatic isomer mixtures and 12 cis-/trans-isomers. Its excellent resolving capacity can be credit to the architecture of star-PCL-Bim, the PCL arms and π-electron-rich benzimidazolium cations, and it results in a quite different retention behavior of star-PCL-Bim from that of star-PCL and commercial HP-35 columns, with “dual-nature” selectivity in separating a mixture including 29 compounds. These favorable chromatographic characteristics demonstrate the great application potential of this material in GC, and provide a prospective strategy to obtain high-performance stationary phases.
期刊介绍：
Published since 1929, the Canadian Journal of Chemistry reports current research findings in all branches of chemistry. It includes the traditional areas of analytical, inorganic, organic, and physical-theoretical chemistry and newer interdisciplinary areas such as materials science, spectroscopy, chemical physics, and biological, medicinal and environmental chemistry. Articles describing original research are welcomed.
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