Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly
Polymer organogels formed through dynamic interactions are interesting for various applications. The fabrication of polymer organogels in polar solvents through ionic interaction is rare, although such organogels in non-polar organic solvents have been well studied. Herein, polymer organogels in a p...
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MDPI AG
2020-09-01
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| Series: | Polymers |
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| Online Access: | https://www.mdpi.com/2073-4360/12/9/2056 |
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| author | Tao Zhang Guangtao Chang Qipeng Guo |
| author_facet | Tao Zhang Guangtao Chang Qipeng Guo |
| author_sort | Tao Zhang |
| collection | DOAJ |
| description | Polymer organogels formed through dynamic interactions are interesting for various applications. The fabrication of polymer organogels in polar solvents through ionic interaction is rare, although such organogels in non-polar organic solvents have been well studied. Herein, polymer organogels in a polar solvent <i>N,N</i>-dimethyl formamide (DMF) were fabricated from a triblock copolymer, poly(4-vinyl pyridine)-<i>block</i>-poly(ethylene glycol)-<i>block</i>-poly(4-vinyl pyridine) (4VP<sub>m</sub>-EG<sub>n</sub>-4VP<sub>m</sub>), and a fluorinated surfactant, perfluorooctanoic acid (PFOA), and their microphase separation and properties were studied. Ordered microphase separation and the crystalline structures were revealed by small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS), respectively. All the 4VP<sub>m</sub>-EG<sub>n</sub>-4VP<sub>m</sub>/PFOA organogels are sensitive to temperature, and the ratio of PFOA to pyridine groups reversibly. The polymer organogels are also responsive to triethylamine and triethylammonium acetate. |
| first_indexed | 2024-03-10T16:26:34Z |
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| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-10T16:26:34Z |
| publishDate | 2020-09-01 |
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| series | Polymers |
| spelling | doaj.art-8bee6601fcaf4119acaf9f254efb09da2023-11-20T13:10:55ZengMDPI AGPolymers2073-43602020-09-01129205610.3390/polym12092056Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced AssemblyTao Zhang0Guangtao Chang1Qipeng Guo2College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, ChinaInstitute for Frontier Materials, Deakin University, Locked Bag 20000, Geelong, Victoria 3220, AustraliaPolymer organogels formed through dynamic interactions are interesting for various applications. The fabrication of polymer organogels in polar solvents through ionic interaction is rare, although such organogels in non-polar organic solvents have been well studied. Herein, polymer organogels in a polar solvent <i>N,N</i>-dimethyl formamide (DMF) were fabricated from a triblock copolymer, poly(4-vinyl pyridine)-<i>block</i>-poly(ethylene glycol)-<i>block</i>-poly(4-vinyl pyridine) (4VP<sub>m</sub>-EG<sub>n</sub>-4VP<sub>m</sub>), and a fluorinated surfactant, perfluorooctanoic acid (PFOA), and their microphase separation and properties were studied. Ordered microphase separation and the crystalline structures were revealed by small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS), respectively. All the 4VP<sub>m</sub>-EG<sub>n</sub>-4VP<sub>m</sub>/PFOA organogels are sensitive to temperature, and the ratio of PFOA to pyridine groups reversibly. The polymer organogels are also responsive to triethylamine and triethylammonium acetate.https://www.mdpi.com/2073-4360/12/9/2056polymer gelsionic interactionassemblycrystallization |
| spellingShingle | Tao Zhang Guangtao Chang Qipeng Guo Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly Polymers polymer gels ionic interaction assembly crystallization |
| title | Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly |
| title_full | Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly |
| title_fullStr | Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly |
| title_full_unstemmed | Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly |
| title_short | Thermoreversible Polymer Gels in DMF Formed from Charge- and Crystallization-Induced Assembly |
| title_sort | thermoreversible polymer gels in dmf formed from charge and crystallization induced assembly |
| topic | polymer gels ionic interaction assembly crystallization |
| url | https://www.mdpi.com/2073-4360/12/9/2056 |
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