Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP
4-Acryloyl-1,2,2,6,6-pentamethyl-piperidinol (APMP) is a reactive hindered amine that prolongs the service life of the polymeric materials and exhibits high stability, good resistance to extraction, and low toxicity. In this paper, a photoinduced free radical copolymerization of APMP and methyl meth...
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | International Journal of Polymer Science |
| Online Access: | http://dx.doi.org/10.1155/2016/5368602 |
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| author | Ting Zhang Liuwa Fu Zhikang Chen Yanyan Cui Xiaoxuan Liu |
| author_facet | Ting Zhang Liuwa Fu Zhikang Chen Yanyan Cui Xiaoxuan Liu |
| author_sort | Ting Zhang |
| collection | DOAJ |
| description | 4-Acryloyl-1,2,2,6,6-pentamethyl-piperidinol (APMP) is a reactive hindered amine that prolongs the service life of the polymeric materials and exhibits high stability, good resistance to extraction, and low toxicity. In this paper, a photoinduced free radical copolymerization of APMP and methyl methacrylate (MMA) is accomplished at ambient temperature in solution. APMP plays a key role in the copolymerization, owing to the nitroxides generated in situ from the moiety of 1,2,2,6,6-pentamethyl-piperidine under UV irradiation, and mediates the copolymerization, which is confirmed by the linear kinetics. With the increment of initial monomer feed ratios of APMP/MMA, both the copolymerization rate and the average molecular weight increase. According to the reactivity ratios from the extended Kelen-Tüdos (KT) method at high conversion by 1H NMR spectroscopy, a nonlinear model is established and the sequential distribution in the copolymers is also investigated. The dispersion of APMP units is regulated by the feed ratios and reactivity ratios. |
| format | Article |
| id | doaj-art-b93698d800d447be926a2160dc0eb702 |
| institution | Kabale University |
| issn | 1687-9422 1687-9430 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Polymer Science |
| spelling | doaj-art-b93698d800d447be926a2160dc0eb7022025-02-03T05:47:32ZengWileyInternational Journal of Polymer Science1687-94221687-94302016-01-01201610.1155/2016/53686025368602Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMPTing Zhang0Liuwa Fu1Zhikang Chen2Yanyan Cui3Xiaoxuan Liu4Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, ChinaGuangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, ChinaGuangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, ChinaGuangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, ChinaGuangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China4-Acryloyl-1,2,2,6,6-pentamethyl-piperidinol (APMP) is a reactive hindered amine that prolongs the service life of the polymeric materials and exhibits high stability, good resistance to extraction, and low toxicity. In this paper, a photoinduced free radical copolymerization of APMP and methyl methacrylate (MMA) is accomplished at ambient temperature in solution. APMP plays a key role in the copolymerization, owing to the nitroxides generated in situ from the moiety of 1,2,2,6,6-pentamethyl-piperidine under UV irradiation, and mediates the copolymerization, which is confirmed by the linear kinetics. With the increment of initial monomer feed ratios of APMP/MMA, both the copolymerization rate and the average molecular weight increase. According to the reactivity ratios from the extended Kelen-Tüdos (KT) method at high conversion by 1H NMR spectroscopy, a nonlinear model is established and the sequential distribution in the copolymers is also investigated. The dispersion of APMP units is regulated by the feed ratios and reactivity ratios.http://dx.doi.org/10.1155/2016/5368602 |
| spellingShingle | Ting Zhang Liuwa Fu Zhikang Chen Yanyan Cui Xiaoxuan Liu Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP International Journal of Polymer Science |
| title | Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP |
| title_full | Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP |
| title_fullStr | Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP |
| title_full_unstemmed | Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP |
| title_short | Photoinduced Copolymerization of APMP-MMA: The Role of Reactive Hindered Amine APMP |
| title_sort | photoinduced copolymerization of apmp mma the role of reactive hindered amine apmp |
| url | http://dx.doi.org/10.1155/2016/5368602 |
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