Citation: Yongrui He, Tiantian Shi, Meiling Qi. A novel triptycene-terminated polymer used as the gas chromatographic stationary phase towards organic acidic/basic analytes and isomers[J]. Chinese Chemical Letters, ;2021, 32(11): 3372-3376. doi: 10.1016/j.cclet.2021.04.009 shu

A novel triptycene-terminated polymer used as the gas chromatographic stationary phase towards organic acidic/basic analytes and isomers

Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China

mlqi@bit.edu.cn

Received Date: 31 December 2020
Revised Date: 28 January 2021
Accepted Date: 2 April 2021
Available Online: 6 April 2021

Figures(6)

This work presents a novel strategy for engineering a GC stationary phase with high selectivity, inertness and thermal stability by introducing the 3D π-rich TP moieties to the terminals of a polar chain polymer. Herein, we provide the first example, i.e., a new TP-terminated polycaprolactone polymer (TPP) as the stationary phase for GC analyses. As demonstrated, the TPP column achieved distinctly improved inertness to fatty acids and aldehydes, and dramatically enhanced thermal stability (about 100 ℃ higher) over the PCL column. Also, the TPP column exhibited high resolving capability towards the positional isomers of phenols, anilines and alkylated/halobenzenes and showed good potential in detecting minor impurities in chemical products. Importantly, the proposed strategy is facile, feasible and generally applicable to analogous polymers.
- Triptycene-based stationary phase,
- Selectivity,
- Inertness,
- Thermal stability,
- Capillary gas chromatography
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