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Sorption of Organic Liquids in Poly(ethylene chlorotrifluoroethylene) Halar®901: Experimental and Theoretical Analysis.

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    0473196 - ÚCHP 2017 RIV GB eng J - Journal Article
    Randová, A. - Bartovská, L. - Pilnáček, Kryštof - Lanč, M. - Vopička, O. - Matějka, P. - Izák, Pavel - Kárászová, Magda - Macedonio, F. - Figoli, A. - Drioli, E. - Jansen, J.C. - Di Nicolò, E. - Friess, K.
    Sorption of Organic Liquids in Poly(ethylene chlorotrifluoroethylene) Halar®901: Experimental and Theoretical Analysis.
    Polymer Testing. Roč. 58, APR 1 (2017), s. 199-207. ISSN 0142-9418. E-ISSN 1873-2348
    R&D Projects: GA MŠMT(CZ) LD14094
    Institutional support: RVO:67985858
    Keywords : organic liquid sorption * poly(ethylene chlorotrifluoroethylene) Halar®901 * sorption-predictive methods
    OECD category: Chemical process engineering
    Impact factor: 2.247, year: 2017

    Sorption of liquids in polymers is an important factor for any application where polymers come into contact with an organic solvent. We report on sorption properties of hydrophobic poly(ethylene chlorotrifluoroethylene) Halar®901 in view of its potential application as a dense or porous membrane material. For the first time, the liquid phase sorption of 34 common organic liquids such as linear C6-C10 alkanes, methyl-, ethyl- and propyl-derivatives of benzene and cyclohexane, and of linear-, branched- and cyclic- ethers, ketones, acetates and chloro-derivatives in the 1:1 alternating copolymer of ethylene and chlorotrifluoroethylene (ECTFE) is presented. The correlation between the solvent molecular structure, its physico-chemical properties and the total mass uptake are discussed in detail. Furthermore, two sorption-predictive methods developed from
    experimental data allow to anticipate the behavior of solvents in Halar®901 based exclusively on three types of structural units (C-bone, functional groups, molecular geometry) or four (molar mass, surface tension, boiling temperature and Van der Waals volume) parameters only. A successful verification of our methods proved their versatility in predicting organic liquid sorption in ECTFE material Halar®901.
    Permanent Link: http://hdl.handle.net/11104/0270360

     
     
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