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    Hydrocarbon ladder polymers with ultrahigh permselectivity for membrane gas separations

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    Type
    Article
    Authors
    Lai, Holden W. H. cc
    Benedetti, Francesco M. cc
    Ahn, Jun Myun cc
    Robinson, Ashley M.
    Wang, Yingge cc
    Pinnau, Ingo cc
    Smith, Zachary P. cc
    Xia, Yan cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    BAS/1/1323-01-01
    Date
    2022-03-25
    Permanent link to this record
    http://hdl.handle.net/10754/676337
    
    Metadata
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    Abstract
    Membranes have the potential to substantially reduce energy consumption of industrial chemical separations, but their implementation has been limited owing to a performance upper bound—the trade-off between permeability and selectivity. Although recent developments of highly permeable polymer membranes have advanced the upper bounds for various gas pairs, these polymers typically exhibit limited selectivity. We report a class of hydrocarbon ladder polymers that can achieve both high selectivity and high permeability in membrane separations for many industrially relevant gas mixtures. Additionally, their corresponding films exhibit desirable mechanical and thermal properties. Tuning of the ladder polymer backbone configuration was found to have a profound effect on separation performance and aging behavior.
    Citation
    Lai, H. W. H., Benedetti, F. M., Ahn, J. M., Robinson, A. M., Wang, Y., Pinnau, I., Smith, Z. P., & Xia, Y. (2022). Hydrocarbon ladder polymers with ultrahigh permselectivity for membrane gas separations. Science, 375(6587), 1390–1392. https://doi.org/10.1126/science.abl7163
    Sponsors
    Funding: Y.X. acknowledges the Stanford Natural Gas Initiative for seed funding and the Sloan Research Foundation for a Sloan Research Fellowship. Z.P.S. and F.M.B. acknowledge support from the US Department of Energy, Office of Science, Office of Basic Energy Sciences, Separation Science program (DE-SC0019087). H.W.H.L. was supported by NSF-GRFP (DGE-156518). This work made use of the Shared Experimental Facilities supported in part by the MRSEC Program of the National Science Foundation under award DMR-1419807. I.P. was supported by KAUST baseline funding (BAS/1/1323-01-01).
    Publisher
    American Association for the Advancement of Science (AAAS)
    Journal
    Science
    DOI
    10.1126/science.abl7163
    PubMed ID
    35324307
    Additional Links
    https://www.science.org/doi/10.1126/science.abl7163
    ae974a485f413a2113503eed53cd6c53
    10.1126/science.abl7163
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Chemical Engineering Program

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