Study of transport properties of polyelectrolyte-cellulose acetate membranes

Janina Hakanpää, Kirsi Yliniemi, Benjamin Wilson, Matti Putkonen, Eero Kontturi, Sannakaisa Virtanen, Lasse Murtomäki

    Research output: Contribution to journalArticleScientificpeer-review

    1 Citation (Scopus)


    Scanning electrochemical microscope (SECM) was used to investigate the ion transport properties of cellulose acetate - (poly(N,N-dimethylaminoethyl methacrylate) membrane (CA:PDMAEMA). The results show that the PDMAEMA content controls the permeability of the membrane but also, a surprising time-dependent behaviour was observed: the permeability of the CAiPDMAEMA membranes decreased as a function of time and this behaviour is not related to the thickness increase of the membrane.
    Original languageEnglish
    Pages (from-to)663-669
    JournalECS Transactions
    Issue number11
    Publication statusPublished - 1 Jan 2017
    MoE publication typeA1 Journal article-refereed
    Event231st ECS Meeting - New Orleans, United States
    Duration: 28 May 20171 Jun 2017


    • analytic equipment
    • cellulose
    • polyelectrolytes
    • transport properties


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