Journal
POLYMER CHEMISTRY
Volume 7, Issue 5, Pages 1121-1128Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5py01849h
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Funding
- NSFC [21574125, 21361140371, 51321062]
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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-N-3 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.
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