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    Poly(vinylidene fluoride)/Polymethylene-Based Block Copolymers and Terpolymers

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    Type
    Article
    Authors
    Zapsas, Georgios
    Patil, Yogesh Raghunath cc
    Bilalis, Panagiotis cc
    Gnanou, Yves cc
    Hadjichristidis, Nikos cc
    KAUST Department
    Chemical Science Program
    KAUST Catalysis Center (KCC)
    Office of the VP
    Physical Science and Engineering (PSE) Division
    Polymer Synthesis Laboratory
    Date
    2019-03
    Online Publication Date
    2019-03
    Print Publication Date
    2019-03-12
    Permanent link to this record
    http://hdl.handle.net/10754/631841
    
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    Abstract
    Dual crystalline diblock copolymers consisting of polymethylene (PM) and poly(vinylidene fluoride) (PVDF) blocks as well as triblock terpolymers with polystyrene (PS) as middle block were synthesized. For the synthesis, two/three different polymerization methods such as polyhomologation, atom transfer radical polymerization (ATRP), and iodine transfer polymerization (ITP) along with chain-end postpolymerization reactions were employed. Solid-state NMR spectroscopy revealed the characteristic peaks of all constituent blocks while gel permeation chromatography (GPC) results demonstrated the controlling/living nature of all implemented polymerization methods. The analysis of crystallization behavior based on differential scanning calorimetry (DSC) indicates the presence of different PVDF crystalline phases (α, β, and γ) n block copolymers. Further analysis with X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopies revealed the coexistence of α- and β-phases in diblock copolymers and β- and γ-phases in triblock terpolymer. An initial study of self-assembly in DMF, a selective solvent for PVDF and PS, was performed by dynamic light scattering (DLS) and atomic force microscopy (AFM).
    Citation
    Zapsas G, Patil Y, Bilalis P, Gnanou Y, Hadjichristidis N (2019) Poly(vinylidene fluoride)/Polymethylene-Based Block Copolymers and Terpolymers. Macromolecules 52: 1976–1984. Available: http://dx.doi.org/10.1021/acs.macromol.8b02663.
    Sponsors
    The assistance of Dr. Edy Abou Hamad (KAUST Imaging and Characterization Core Lab) in Solid-state NMR analyses is gratefully acknowledged.
    Publisher
    American Chemical Society (ACS)
    Journal
    Macromolecules
    DOI
    10.1021/acs.macromol.8b02663
    Additional Links
    https://pubs.acs.org/doi/10.1021/acs.macromol.8b02663
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.macromol.8b02663
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC)

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