Direct Interfacial Modification of Nanocellulose Films for Thermoresponsive Membrane Templates

Minna Hakalahti, Andreas Mautner, Leena-Sisko Johansson, Tuomas Hänninen, Harri Setälä, Eero Kontturi, Alexander Bismarck, Tekla Tammelin

    Research output: Contribution to journalArticleScientificpeer-review

    22 Citations (Scopus)

    Abstract

    This letter proposes a strategy to construct tunable films combining the physical characteristics of cellulose nanofibrils and smart polymers for membrane applications. A functional membrane template was obtained by first fabricating a water stable film from cellulose nanofibrils and subsequently surface grafting it with a thermoresponsive polymer, poly(N-isopropylacrylamide). The behavior of the membrane template was dependent on temperature. The slope of relative water permeance around the lower critical solution temperature of poly(N-isopropylacrylamide) increased from 18 % to 100 % upon polymer attachment. While the membrane template essentially consisted of wood-based materials, the benefits of smart synthetic polymers were achieved.
    Original languageEnglish
    Pages (from-to)2923-2927
    JournalACS Applied Materials & Interfaces
    Volume8
    Issue number5
    DOIs
    Publication statusPublished - 2016
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Polymers
    Membranes
    Cellulose
    Water
    Wood
    Temperature
    poly-N-isopropylacrylamide

    Keywords

    • cellulose nanofibrils
    • films
    • thermoresponsive polymers
    • surface modification
    • membranes
    • poly(N-isopropylacrylamide)

    Cite this

    Hakalahti, Minna ; Mautner, Andreas ; Johansson, Leena-Sisko ; Hänninen, Tuomas ; Setälä, Harri ; Kontturi, Eero ; Bismarck, Alexander ; Tammelin, Tekla. / Direct Interfacial Modification of Nanocellulose Films for Thermoresponsive Membrane Templates. In: ACS Applied Materials & Interfaces. 2016 ; Vol. 8, No. 5. pp. 2923-2927.
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    title = "Direct Interfacial Modification of Nanocellulose Films for Thermoresponsive Membrane Templates",
    abstract = "This letter proposes a strategy to construct tunable films combining the physical characteristics of cellulose nanofibrils and smart polymers for membrane applications. A functional membrane template was obtained by first fabricating a water stable film from cellulose nanofibrils and subsequently surface grafting it with a thermoresponsive polymer, poly(N-isopropylacrylamide). The behavior of the membrane template was dependent on temperature. The slope of relative water permeance around the lower critical solution temperature of poly(N-isopropylacrylamide) increased from 18 {\%} to 100 {\%} upon polymer attachment. While the membrane template essentially consisted of wood-based materials, the benefits of smart synthetic polymers were achieved.",
    keywords = "cellulose nanofibrils, films, thermoresponsive polymers, surface modification, membranes, poly(N-isopropylacrylamide)",
    author = "Minna Hakalahti and Andreas Mautner and Leena-Sisko Johansson and Tuomas H{\"a}nninen and Harri Set{\"a}l{\"a} and Eero Kontturi and Alexander Bismarck and Tekla Tammelin",
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    Direct Interfacial Modification of Nanocellulose Films for Thermoresponsive Membrane Templates. / Hakalahti, Minna; Mautner, Andreas; Johansson, Leena-Sisko; Hänninen, Tuomas; Setälä, Harri; Kontturi, Eero; Bismarck, Alexander; Tammelin, Tekla.

    In: ACS Applied Materials & Interfaces, Vol. 8, No. 5, 2016, p. 2923-2927.

    Research output: Contribution to journalArticleScientificpeer-review

    TY - JOUR

    T1 - Direct Interfacial Modification of Nanocellulose Films for Thermoresponsive Membrane Templates

    AU - Hakalahti, Minna

    AU - Mautner, Andreas

    AU - Johansson, Leena-Sisko

    AU - Hänninen, Tuomas

    AU - Setälä, Harri

    AU - Kontturi, Eero

    AU - Bismarck, Alexander

    AU - Tammelin, Tekla

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    PY - 2016

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    N2 - This letter proposes a strategy to construct tunable films combining the physical characteristics of cellulose nanofibrils and smart polymers for membrane applications. A functional membrane template was obtained by first fabricating a water stable film from cellulose nanofibrils and subsequently surface grafting it with a thermoresponsive polymer, poly(N-isopropylacrylamide). The behavior of the membrane template was dependent on temperature. The slope of relative water permeance around the lower critical solution temperature of poly(N-isopropylacrylamide) increased from 18 % to 100 % upon polymer attachment. While the membrane template essentially consisted of wood-based materials, the benefits of smart synthetic polymers were achieved.

    AB - This letter proposes a strategy to construct tunable films combining the physical characteristics of cellulose nanofibrils and smart polymers for membrane applications. A functional membrane template was obtained by first fabricating a water stable film from cellulose nanofibrils and subsequently surface grafting it with a thermoresponsive polymer, poly(N-isopropylacrylamide). The behavior of the membrane template was dependent on temperature. The slope of relative water permeance around the lower critical solution temperature of poly(N-isopropylacrylamide) increased from 18 % to 100 % upon polymer attachment. While the membrane template essentially consisted of wood-based materials, the benefits of smart synthetic polymers were achieved.

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    KW - thermoresponsive polymers

    KW - surface modification

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    JO - ACS Applied Materials & Interfaces

    JF - ACS Applied Materials & Interfaces

    SN - 1944-8244

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