Abstract
The photo-induced atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA) was successfully carried out in ionic liquid at ambient temperature with ethyl 2-bromoisobutyrate as initiator and CuBr2/N,N,N′,N′,N″-pentamethyldiethylenetriamine as the complex catalyst system. In this system, TiO2 was used as photocatalyst. The well-controlled poly(methyl methacrylate) (PMMA) was obtained, as evidenced by the controlled molecular weights of the obtained. The prepared PMMA had narrow molecular weight distributions. The polymerizations were manipulated by turning on/off the light. The chemical structure of the obtained PMMA was characterized by 1H NMR. Chain extension experiment with bromine-atom-ended PMMA as macroinitiator was carried out successfully to verify the living nature of photo-induced ATRP of MMA.
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The authors are grateful for the financial support by Scientific Research Fund of Hunan Provincial Education Department (13A031, and 13C364), and Construct Program of the Key Discipline in Hunan Province.
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Wang, GX., Lu, M., Hou, ZH. et al. Photo-induced atom transfer radical polymerization in ionic liquid. J Polym Res 22, 60 (2015). https://doi.org/10.1007/s10965-015-0707-5
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DOI: https://doi.org/10.1007/s10965-015-0707-5