Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase
The chromatographic properties and thermal stability are investigated for the polymeric stationary phase based on the norbornene polymer. It was shown that without additional cross-linking, poly(3-(tributoxysilyl)tricyclononene-7) demonstrates properties similar to liquid chromatographic stationary...
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| Format: | Article |
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MDPI AG
2021-06-01
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| Series: | Polymers |
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| Online Access: | https://www.mdpi.com/2073-4360/13/11/1899 |
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| author | Anastasiia Kanateva Maxim Bermeshev Dmitrii Alentiev Alexander A. Korolev Alexander Kurganov |
| author_facet | Anastasiia Kanateva Maxim Bermeshev Dmitrii Alentiev Alexander A. Korolev Alexander Kurganov |
| author_sort | Anastasiia Kanateva |
| collection | DOAJ |
| description | The chromatographic properties and thermal stability are investigated for the polymeric stationary phase based on the norbornene polymer. It was shown that without additional cross-linking, poly(3-(tributoxysilyl)tricyclononene-7) demonstrates properties similar to liquid chromatographic stationary phases. It was also found to be more thermally stable than previously studied trimethylsilyl- and trimethoxysilyl- derivatives. The long-term heating at 170 °C resulted in an increase of mass transfer rate between stationary and mobile phases which could be observed as a decrease of parameter C of Van Deemter equation. This effect is rather unusual, as the polymeric stationary phases tend in decrease of the layer volume and porosity while ageing. Additionally, the values of thermodynamic parameters of sorption are calculated for the polymeric stationary phase: enthalpy of sorption varied −28 to −37 kJ/mol, entropy change was −41 to −51 J/mol K. The compensation curves were plotted for the alkanes, arenes, and alcohols, and the parameters of compensation plot were calculated, demonstrating the different sorption mechanisms both for hydrocarbons and oxygen-containing compounds, and different classes of organic compounds. |
| first_indexed | 2024-03-10T10:38:00Z |
| format | Article |
| id | doaj.art-5bede11d2994444caef141e76a2b2aaf |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-10T10:38:00Z |
| publishDate | 2021-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-5bede11d2994444caef141e76a2b2aaf2023-11-21T23:10:31ZengMDPI AGPolymers2073-43602021-06-011311189910.3390/polym13111899Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary PhaseAnastasiia Kanateva0Maxim Bermeshev1Dmitrii Alentiev2Alexander A. Korolev3Alexander Kurganov4A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science, 119991 Moscow, RussiaA.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science, 119991 Moscow, RussiaA.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science, 119991 Moscow, RussiaA.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science, 119991 Moscow, RussiaA.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science, 119991 Moscow, RussiaThe chromatographic properties and thermal stability are investigated for the polymeric stationary phase based on the norbornene polymer. It was shown that without additional cross-linking, poly(3-(tributoxysilyl)tricyclononene-7) demonstrates properties similar to liquid chromatographic stationary phases. It was also found to be more thermally stable than previously studied trimethylsilyl- and trimethoxysilyl- derivatives. The long-term heating at 170 °C resulted in an increase of mass transfer rate between stationary and mobile phases which could be observed as a decrease of parameter C of Van Deemter equation. This effect is rather unusual, as the polymeric stationary phases tend in decrease of the layer volume and porosity while ageing. Additionally, the values of thermodynamic parameters of sorption are calculated for the polymeric stationary phase: enthalpy of sorption varied −28 to −37 kJ/mol, entropy change was −41 to −51 J/mol K. The compensation curves were plotted for the alkanes, arenes, and alcohols, and the parameters of compensation plot were calculated, demonstrating the different sorption mechanisms both for hydrocarbons and oxygen-containing compounds, and different classes of organic compounds.https://www.mdpi.com/2073-4360/13/11/1899norbornene polymerpolymer stationary phasecrosslinked polymerageingthermodynamic parameterssorption |
| spellingShingle | Anastasiia Kanateva Maxim Bermeshev Dmitrii Alentiev Alexander A. Korolev Alexander Kurganov Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase Polymers norbornene polymer polymer stationary phase crosslinked polymer ageing thermodynamic parameters sorption |
| title | Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase |
| title_full | Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase |
| title_fullStr | Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase |
| title_full_unstemmed | Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase |
| title_short | Chromatographic Method for Evaluation of Polymeric GC Stationary Phases Ageing Using the Novel Non-Cross-Linked Poly(3-(Tributoxysilyl)Tricyclononene-7) as the Model Stationary Phase |
| title_sort | chromatographic method for evaluation of polymeric gc stationary phases ageing using the novel non cross linked poly 3 tributoxysilyl tricyclononene 7 as the model stationary phase |
| topic | norbornene polymer polymer stationary phase crosslinked polymer ageing thermodynamic parameters sorption |
| url | https://www.mdpi.com/2073-4360/13/11/1899 |
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