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Issue 1, 2014
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Manganese(III) acetylacetonate initiated RAFT polymerizations: an alternative and versatile RAFT initiator

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Abstract

This work describes RAFT polymerization with manganese(III) acetylacetonate (Mn(acac)3) as an initiator. Initiated by Mn(acac)3, RAFT polymerization of poly(vinyl acetate) was achieved at 80 °C mediated by a xanthate, methyl 2-(ethoxycarbonothioylthio)propanoate. The polymerization manifested good control at a low concentration of Mn(acac)3 (approximately 157 ppm). The polymer was endowed with a high chain end fidelity (97%), which was comparable or even better in comparison with the azobisisobutyronitrile-initiated polymerization. The polymerization behavior was revealed to comply with the features of a typical RAFT process. Successful Mn(acac)3-initiated RAFT polymerization of methyl methacrylate at 25 °C with a typical dithioester as a RAFT agent, and styrene at 100 °C with a dithiocarbamate as a RAFT agent demonstrated that Mn(acac)3 was a versatile and superior RAFT initiator.

Graphical abstract: Manganese(iii) acetylacetonate initiated RAFT polymerizations: an alternative and versatile RAFT initiator

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Publication details

The article was received on 04 Jul 2013, accepted on 26 Jul 2013 and first published on 31 Jul 2013


Article type: Communication
DOI: 10.1039/C3PY00879G
Citation: Polym. Chem., 2014,5, 37-42

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    Manganese(III) acetylacetonate initiated RAFT polymerizations: an alternative and versatile RAFT initiator

    Z. Zheng, W. Wang, Y. Zhou, Z. Zhang and X. Zhu, Polym. Chem., 2014, 5, 37
    DOI: 10.1039/C3PY00879G

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