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    Poly (ether imide sulfone) membranes from solutions in ionic liquids

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    acs.iecr.7b03581.pdf
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    Type
    Article
    Authors
    Kim, Dooli cc
    Nunes, Suzana Pereira cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Date
    2017-12-06
    Online Publication Date
    2017-12-06
    Print Publication Date
    2017-12-20
    Permanent link to this record
    http://hdl.handle.net/10754/626282
    
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    Abstract
    A membrane manufacture method based on non-volatile solvents and a high performance polymer, poly (ether imide sulfone) (EXTEM™), is proposed, as greener alternative to currently industrial process. We dissolved EXTEM™ in pure ionic liquids: 1-ethyl-3-methylimidalzolium thiocyanate ([EMIM]SCN), 1-butyl-3-methylimidalzolium thiocyanate ([BMIM]SCN), and 1-ethyl-3-methylimidalzolium acetate ([EMIM]OAc). The following polymer solution parameters were evaluated to optimize the manufacture: Gibbs free energy of mixing (G), intrinsic viscosity ([]) and hydrodynamic diameter. Membranes with sponge-like structure and narrow pore size distribution were obtained from solutions in [EMIM]SCN. They were tested for separation of proteins and deoxyribonucleic acids (DNA). Due to the polymer stability, we foresee that applications in more demanding chemical separations would be possible. [EMIM]SCN was 96 % purified and recovered after the membrane fabrication, contributing to the sustainability of the whole manufacturing process.
    Citation
    Kim D, Nunes SP (2017) Poly (ether imide sulfone) membranes from solutions in ionic liquids. Industrial & Engineering Chemistry Research. Available: http://dx.doi.org/10.1021/acs.iecr.7b03581.
    Sponsors
    This work was sponsored by King Abdullah University of Science and Technology (KAUST).
    Publisher
    American Chemical Society (ACS)
    Journal
    Industrial & Engineering Chemistry Research
    DOI
    10.1021/acs.iecr.7b03581
    Additional Links
    http://pubs.acs.org/doi/10.1021/acs.iecr.7b03581
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.iecr.7b03581
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Environmental Science and Engineering Program

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