Preparation of PDMS STEM gels through oxygen tolerance nitroxide mediated polymerization
Abstract The postsynthesis polymeric modifications by grafting from the active sites were the primary focus of the structurally tailored and engineered macromolecular (STEM) gels. Therefore, Reversible-deactivation radical polymerization (RDRP) techniques have been employed to more precisely tailor and tune STEM gels. In contrast to atom transfer radical polymerization (ATRP) and reversible addition-fragmentation chain transfer polymerization (RAFT), nitroxide-mediated polymerization (NMP) is known to have the advantages of simple components and pure products. Here we report the preparation of polydimethylsiloxane (PDMS) composite gel networks through oxygen tolerance NMP process, with tert-Butyl acrylate (tBA) and fluorinated monomer 2-(Perfluorooctyl)ethyl methacrylate (FMA) as functional comonomers. Compared with conventional radical polymerization (FRP) method, composite gels prepared through NMP method showed higher swelling rate and elongation at break, which proved that the network structure formed by NMP was more uniform. In addition to better thermal stability and toughness, the dormant polymer chain could be reactivated and lead to the “living” post-modification of PDMS gel matrix..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Journal of polymer research - 30(2023), 9 vom: Sept. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Qiao, Xiaoguang [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Anmerkungen: |
© The Polymer Society, Taipei 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s10965-023-03732-4 |
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| funding: |
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| PPN (Katalog-ID): |
OLC2145411062 |
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| 520 | |a Abstract The postsynthesis polymeric modifications by grafting from the active sites were the primary focus of the structurally tailored and engineered macromolecular (STEM) gels. Therefore, Reversible-deactivation radical polymerization (RDRP) techniques have been employed to more precisely tailor and tune STEM gels. In contrast to atom transfer radical polymerization (ATRP) and reversible addition-fragmentation chain transfer polymerization (RAFT), nitroxide-mediated polymerization (NMP) is known to have the advantages of simple components and pure products. Here we report the preparation of polydimethylsiloxane (PDMS) composite gel networks through oxygen tolerance NMP process, with tert-Butyl acrylate (tBA) and fluorinated monomer 2-(Perfluorooctyl)ethyl methacrylate (FMA) as functional comonomers. Compared with conventional radical polymerization (FRP) method, composite gels prepared through NMP method showed higher swelling rate and elongation at break, which proved that the network structure formed by NMP was more uniform. In addition to better thermal stability and toughness, the dormant polymer chain could be reactivated and lead to the “living” post-modification of PDMS gel matrix. | ||
| 650 | 4 | |a Oxygen tolerance | |
| 650 | 4 | |a Nitroxide mediated polymerization | |
| 650 | 4 | |a STEM gel | |
| 700 | 1 | |a Dong, Xin |4 aut | |
| 700 | 1 | |a shi, Ge |4 aut | |
| 700 | 1 | |a He, Yanjie |4 aut | |
| 700 | 1 | |a Pang, Xinchang |4 aut | |
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