Research output: Contribution to journal › Article › peer-review
Improvement of pervaporation PVA membranes by the controlled incorporation of fullerenol nanoparticles. / Penkova, Anastasia V.; Acquah, Steve F.A.; Dmitrenko, Maria E.; Sokolova, Maria P.; Mikhailova, Mariya Ye; Polyakov, Evgeny S.; Ermakov, Sergey S.; Markelov, Denis A.; Roizard, Denis.
In: Materials and Design, Vol. 96, 15.04.2016, p. 416-423.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Improvement of pervaporation PVA membranes by the controlled incorporation of fullerenol nanoparticles
AU - Penkova, Anastasia V.
AU - Acquah, Steve F.A.
AU - Dmitrenko, Maria E.
AU - Sokolova, Maria P.
AU - Mikhailova, Mariya Ye
AU - Polyakov, Evgeny S.
AU - Ermakov, Sergey S.
AU - Markelov, Denis A.
AU - Roizard, Denis
N1 - Funding Information: A.V. Penkova thanks the Fellowship of President of Russia СП-1153.2015.1. The authors are also grateful and acknowledge grants from RFBR (No. 15-58-04034 and No. 15-03-08506 ); grants from St. Petersburg State University (No. 12.50.1195.2014 (M.P. Sokolova), No. 12.42.1269.2014 , 12.42.1392.2015 (M.E. Dmitrenko), and No. 12.42.1268.2014 (E.S. Polyakov)); and the Government of the Russian Federation grant 074-U01 (D.A. Markelov). The experimental work was facilitated by equipment from the Resource Centers of Research Centre for Physical Methods Surface Investigation, Chemical Analysis and Materials Research Centre and GEOMODEL at St. Petersburg State University. The authors acknowledge Alexander V. Smirnov for the help in the interpretation of SAXS data. We are grateful to Nikolay Solovyev for reading the manuscript. Publisher Copyright: © 2016 Elsevier Ltd. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/4/15
Y1 - 2016/4/15
N2 - This work focuses on the incorporation of fullerenol nanoparticles to get PVA-fullerenol mixed matrix membranes for alcohol dehydration by pervaporation. Cross-linked hybrid membranes based on composites of polyvinyl alcohol (PVA) and low-hydroxylated fullerenol C60(OH)12 have been prepared by two different procedures. To improve the dispersion of the functionalized fullerene in the PVA network, the hydrodynamic properties of PVA, fullerenol and PVA/fullerenol composites in dilute solutions were studied by viscometry and dynamic light scattering. It was shown that the aggregate sizes increased with the increase of fullerenol content in the PVA/fullerenol composite solutions. The effect of low-hydroxylated fullerenol on the structure and morphology of PVA membranes was investigated by small-angle X-ray scattering and atomic force microscopy. It was observed that the incorporation of 5 wt.% fullerenol and cross-linking with maleic acid led to a more uniform distribution of the amorphous PVA phase. As a result, membrane transport characteristics were improved for the dehydration of n-butanol-water mixtures by pervaporation. The PVA membranes containing 35 wt.% maleic acid and 5 wt.% fullerenol exhibited the best transport properties.
AB - This work focuses on the incorporation of fullerenol nanoparticles to get PVA-fullerenol mixed matrix membranes for alcohol dehydration by pervaporation. Cross-linked hybrid membranes based on composites of polyvinyl alcohol (PVA) and low-hydroxylated fullerenol C60(OH)12 have been prepared by two different procedures. To improve the dispersion of the functionalized fullerene in the PVA network, the hydrodynamic properties of PVA, fullerenol and PVA/fullerenol composites in dilute solutions were studied by viscometry and dynamic light scattering. It was shown that the aggregate sizes increased with the increase of fullerenol content in the PVA/fullerenol composite solutions. The effect of low-hydroxylated fullerenol on the structure and morphology of PVA membranes was investigated by small-angle X-ray scattering and atomic force microscopy. It was observed that the incorporation of 5 wt.% fullerenol and cross-linking with maleic acid led to a more uniform distribution of the amorphous PVA phase. As a result, membrane transport characteristics were improved for the dehydration of n-butanol-water mixtures by pervaporation. The PVA membranes containing 35 wt.% maleic acid and 5 wt.% fullerenol exhibited the best transport properties.
KW - Composite
KW - Fullerenol
KW - N-Butanol
KW - Pervaporation
KW - Polyvinyl alcohol
UR - http://www.scopus.com/inward/record.url?scp=84960101916&partnerID=8YFLogxK
U2 - 10.1016/j.matdes.2016.02.046
DO - 10.1016/j.matdes.2016.02.046
M3 - Article
VL - 96
SP - 416
EP - 423
JO - Materials and Design
JF - Materials and Design
SN - 0261-3069
ER -
ID: 7555247