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Issue 5, 2016
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Synthesis and AIE properties of PEG–PLA–PMPC based triblock amphiphilic biodegradable polymers

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Abstract

Using a O,N,N,O-tetradentate Salan yttrium alkyl complex as the precursor and monohydric PEG as the chain transfer agent, rac-LA and MPC monomers were sequentially ring-opening polymerized via living immortal mode to give biodegradable triblock amphiphilic copolymers of (PEG-b-PLA-b-PMPC) (PEG = poly(ethylene glycol) and MPC = 5-methyl-5-propargyloxycarbonyl-propylene carbonate). The subsequent “click” reaction between the azide functionalized AIE fragment tetraphenylethylene TPE-N3 and the alkyne substituent on the PMPC block provided swiftly the first AIE functionalized biodegradable amphiphilic copolymers. These copolymers self-assembled into homogeneous micelles that exhibited a tailored PL intensity and fine AIE performance, and should be attractive candidates for bioimaging and chemosensor applications.

Graphical abstract: Synthesis and AIE properties of PEG–PLA–PMPC based triblock amphiphilic biodegradable polymers

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Publication details

The article was received on 19 Nov 2015, accepted on 14 Dec 2015 and first published on 18 Dec 2015


Article type: Paper
DOI: 10.1039/C5PY01849H
Polym. Chem., 2016,7, 1121-1128

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    Synthesis and AIE properties of PEG–PLA–PMPC based triblock amphiphilic biodegradable polymers

    C. Li, X. Liu, S. He, Y. Huang and D. Cui, Polym. Chem., 2016, 7, 1121
    DOI: 10.1039/C5PY01849H

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