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    High flux membranes, based on self-assembled and H-bond linked triblock copolymer nanospheres

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    Type
    Article
    Authors
    Sutisna, Burhannudin cc
    Musteata, Valentina-Elena
    Pulido Ponce de Leon, Bruno Antonio cc
    Puspasari, Tiara cc
    Smilgies, Detlef-M.
    Hadjichristidis, Nikos cc
    Nunes, Suzana Pereira cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Biological and Environmental Sciences and Engineering (BESE) Division
    Chemical Engineering Program
    Chemical Science Program
    Environmental Science and Engineering Program
    KAUST Catalysis Center (KCC)
    Nanostructured Polymeric Membrane Lab
    Physical Science and Engineering (PSE) Division
    Polymer Synthesis Laboratory
    Date
    2019-04-27
    Online Publication Date
    2019-04-27
    Print Publication Date
    2019-09
    Permanent link to this record
    http://hdl.handle.net/10754/652878
    
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    Abstract
    We developed composite membranes by stacking functionalized nanospheres (20 nm size) with a high density of H-bonds. The functionalized nanospheres were formed by a click-reaction in toluene between the polybutadiene segment of poly(styrene-b-butadiene-b-styrene) (PS-b-PB-b-PS) triblock copolymer and an azodicarbonyl (PTAD) compound. The strong hydrogen-bond interaction promoted by the pendant urazole groups of the PTAD-modified copolymer is an important parameter for obtaining stable and defect-free membranes, acting in analogy to self-healing systems. The hydrodynamic transport is facilitated by the high porosity of the membranes and the unique hourglass-shaped pores. The composite membrane has water permeation as high as 60 L m−2 h−1 bar−1 and can exclude more than 95% of proteins with a molecular weight as small as 12 kg mol−1. This novel class of nanoparticle-stacked membranes has therefore excellent separation properties for biomolecular separation.
    Citation
    Sutisna B, Musteata V, Pulido B, Puspasari T, Smilgies D-M, et al. (2019) High flux membranes, based on self-assembled and H-bond linked triblock copolymer nanospheres. Journal of Membrane Science. Available: http://dx.doi.org/10.1016/j.memsci.2019.04.045.
    Sponsors
    We acknowledge the funding by the King Abdullah University of Science and Technology (KAUST). We thank Cornell High Energy Synchrotron Source (CHESS) in the USA for the access to the GISAXS facility. CHESS is supported by the National Science Foundation and the National Institutes of Health/National Institute of General Medical Sciences under NSF award DMR-1332208.
    Publisher
    Elsevier BV
    Journal
    Journal of Membrane Science
    DOI
    10.1016/j.memsci.2019.04.045
    10.1016/j.memsci.2020.118444
    Additional Links
    https://www.sciencedirect.com/science/article/pii/S0376738819301401
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.memsci.2019.04.045
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Environmental Science and Engineering Program; Physical Science and Engineering (PSE) Division; Chemical Science Program; Chemical Engineering Program; KAUST Catalysis Center (KCC)

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