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Arm-degradable star polymers with crosslinked ladder-motif cores as a route to soluble microporous nanoparticles

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Abstract

We report a strategy to synthesize controlled star polymers with cores consisting of crosslinked (macro)molecular ladder motifs. In this strategy, living ROMP of norbornenes or norbornene-terminated macromonomers was used to produce arms followed by crosslinking using ladder-shaped dinorbornenes or norbornene-terminated ladder polymers to form star polymers. When degradable grafted arms were used, the cores can be isolated as soluble polymeric nanoparticles upon arm degradation. We demonstrated the presence of microporosity from the crosslinked ladder core of star polymers. This strategy provides access to a new class of soluble and stable microporous polymeric nanoparticles.

Graphical abstract: Arm-degradable star polymers with crosslinked ladder-motif cores as a route to soluble microporous nanoparticles

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Publication details

The article was received on 18 Jul 2019, accepted on 29 Aug 2019 and first published on 05 Sep 2019


Article type: Communication
DOI: 10.1039/C9PY01060B
Polym. Chem., 2019, Advance Article

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    Arm-degradable star polymers with crosslinked ladder-motif cores as a route to soluble microporous nanoparticles

    Y. C. Teo, H. W. H. Lai and Y. Xia, Polym. Chem., 2019, Advance Article , DOI: 10.1039/C9PY01060B

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