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    Ring-opening polymerization of ω-pentadecalactone catalyzed by phosphazene superbases

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    Type
    Article
    Authors
    Ladelta, Viko cc
    Bilalis, Panagiotis cc
    Gnanou, Yves cc
    Hadjichristidis, Nikos cc
    KAUST Department
    Chemical Science Program
    KAUST Catalysis Center (KCC)
    Physical Science and Engineering (PSE) Division
    Polymer Synthesis Laboratory
    Date
    2017
    Permanent link to this record
    http://hdl.handle.net/10754/622906
    
    Metadata
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    Abstract
    A fast and living ring-opening polymerization (ROP) of ω-pentadecalactone (PDL), a representative monomer of macrolactones, was achieved using a primary alcohol as the initiator and t-BuP or t-octP as the catalyst. The use of t-BuP instead of the t-BuP superbase slows down the polymerization rate. The ROP of PDL proceeds to high conversion not only at 80 °C in bulk but also at room temperature and in dilute solution. The synthesized PDL homopolymers and block copolymers with poly(ethylene glycol) were characterized by high-temperature GPC (HT-GPC), H NMR and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). Melting temperatures, determined by differential scanning calorimetry, are also reported.
    Citation
    Ladelta V, Bilalis P, Gnanou Y, Hadjichristidis N (2017) Ring-opening polymerization of ω-pentadecalactone catalyzed by phosphazene superbases. Polym Chem 8: 511–515. Available: http://dx.doi.org/10.1039/c6py01983h.
    Sponsors
    This research was supported by King Abdullah University of Science and Technology (KAUST).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Polym. Chem.
    DOI
    10.1039/c6py01983h
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2017/PY/C6PY01983H#!divAbstract
    ae974a485f413a2113503eed53cd6c53
    10.1039/c6py01983h
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC)

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