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Synthesis of a well-defined polyallene-based amphiphilic graft copolymer via sequential living coordination polymerization and SET-LRP

Authors

  • Guolin Lu,

    1. Key Laboratory of Organofluorine Chemistry and Laboratory of Polymer Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People's Republic of China
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    • Guolin Lu and Yongjun Li contributed equally to this work.

  • Yongjun Li,

    1. Key Laboratory of Organofluorine Chemistry and Laboratory of Polymer Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People's Republic of China
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    • Guolin Lu and Yongjun Li contributed equally to this work.

  • Bin Dai,

    Corresponding author
    1. Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi Xinjiang 832003, People's Republic of China
    • Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi Xinjiang 832003, People's Republic of China
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  • Caixia Xu,

    1. Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi Xinjiang 832003, People's Republic of China
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  • Xiaoyu Huang

    Corresponding author
    1. Key Laboratory of Organofluorine Chemistry and Laboratory of Polymer Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People's Republic of China
    • Key Laboratory of Organofluorine Chemistry and Laboratory of Polymer Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People's Republic of China
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Abstract

A well-defined amphiphilic graft copolymer, poly(6-methyl-1,2-heptadien-4-ol)-g-poly(2-(dimethylamino)ethyl methacrylate) (PMHDO-g-PDMAEMA), has been synthesized by the combination of living coordination polymerization, single electron transfer-living radical polymerization (SET-LRP), and the grafting-from strategy. PMHDO backbone containing double bonds and pendant hydroxyls was first prepared by [(η3-allyl)NiOCOCF3]2-initiated living coordination polymerization of 6-methyl-1,2-heptadien-4-ol (MHDO) followed by treating the pendant hydroxyls with 2-chloropropionyl chloride to give PMHDO-Cl macroinitiator. SET-LRP of 2-(dimethylamino)ethyl methacrylate (DMAEMA) was performed in THF/H2O using PMHDO-Cl as macroinitiator and CuCl/Me6TREN as catalytic system to afford the well-defined PMHDO-g-PDMAEMA graft copolymer with a narrow molecular weight distribution (Mw/Mn = 1.28). The grafting density was as high as 92%. The critical micelle concentration (cmc) in water was determined by fluorescence probe technique and the micellar morphology was preliminarily explored by transmission electron microscopy. © 2013 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2013

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