Preparation and comparative evaluation of PVC/PbO and PVC/PbO/graphite based conductive nanocomposites
Author:
Raza Junaid1, Hamid Abdul1, Khan Muhammad12, Hussain Fakhar1, Zada Amir3, Tiehu Li2, Ali Amjad4, Fazil Perveen5, Wahab Zainul6
Affiliation:
1. Department of Chemistry , University of Okara , Punjab , Pakistan 2. School of Materials Science and Engineering, Northwestern Polytechnical University , Xian , 710072 , P.R. China 3. Department of Chemistry , Abdul Wali Khan University , Mardan , Pakhtunkhwa , 23200 , Pakistan 4. Department of Physics , University of Okara , Punjab , Pakistan 5. Department of Chemistry , University of Karachi , Karachi , 75270 , Pakistan 6. Department of Conservation Studies , Hazara University , Dhodial , Mansehra , Pakistan
Abstract
Abstract
Two series, A and B, of PVC based nanocomposite polymer membranes (nCPMs) were prepared using PbO only and PbO/graphite mixture as a filler by solution casting method. Seven samples with varying compositions (5–35%) of filler particles were prepared for each series and were compared by thickness measurements, porosity, water uptake, swelling degree, ionic conductivity, ion exchange capacity (IEC), membrane potential and transport number. The maximum values for these characteristics were observed as 0.402 mm, 0.77, 141.3%, 0.11, 0.0033 Scm−1, 8.6 milli-eq.g−1, 0.19 V and 0.01391 for series-A composites whereas that of 0.367 mm, 0.83, 63.4%, 0.019, 0.00981 Scm−1, 5.21 milli-eq.g−1, 0.13 V and 0.0108 for series-B nCPMs respectively. The SEM images of membranes showed greater voids produced in the series-B compared to series-A composites. The maximum Ionic conductivity, IEC, membrane potential and transport number were observed for membrane with 25% PbO/graphite, 20% PbO and 35% PbO particles respectively.
Publisher
Walter de Gruyter GmbH
Subject
Physical and Theoretical Chemistry
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