Inorganic acid doped highly hydroxylated polymer based thin membrane

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dc.contributor.authorRadha, Morad Abdulwheed.
dc.contributor.authorŞahin, Alpay.
dc.contributor.authorPehlivan, Erol.
dc.contributor.authorAr, İrfan.
dc.date.accessioned2020-03-26T20:14:47Z
dc.date.available2020-03-26T20:14:47Z
dc.date.issued2019
dc.departmentSelçuk Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.descriptionInternational Congress on Semiconductor Materials and Devices (ICSMD) -- AUG 17-19, 2017 -- Selcuk Univ, Konya, TURKEYen_US
dc.description.abstractThe effects of phosphoric acid (p) on the polyvinyl alcohol (PVA) as highly hydroxyl-group content polymer have been investigated. Functionalized membranes (p-PVA) have been prepared via sol-gel method with different doped acid ratios. Fourier Transform Infrared (FTIR) spectroscopy is used to confirm the structure of the pure polymer and the synthesized membrane. Water uptake capacity, plane swelling, thickness swelling, proton conductivity by electrochemical impedance spectroscopy (EIS) and thermal stability by thermal gravimetric analysis (TGA) are used to characterize the membranes for their applications in the suitable engineering fields. The results showed that the doped acid has suppressed effects on the hydrophilic properties of the used polymer which leads to decreasing in the water uptake and swelling properties of membranes. Thermally cross-linked 30% p-PVA thin membrane was selected because of its good water uptake capacity (43.78%) and low swelling degree (21.07%). The proton conductivity of all membrane increased with increasing the temperature up to 60 degrees C for 30% p-PVA thin membrane and it attained to 0.07 S cm(-1). The proton conductivity decreased to 0.013 S cm(-1) at the same temperature for 40% p-PVA thin membrane. The thermal stability of doped polymer membranes is significantly higher than pure hydroxylated polymer which indicates the strong bonding between the doped acid and polymer. (C) 2019 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipSelcuk University Scientific Research Projects (BAP)Selcuk University [16201108]en_US
dc.description.sponsorshipWe thank Gazi University-Department of Chemical Engineering for providing laboratory devices and Selcuk University Scientific Research Projects (BAP-Grant number 16201108) for the financial support of this work.en_US
dc.identifier.citationRadha, M. A., Şahin, A., Pehlivan, E., İrfan, A. R. (2019). Inorganic Acid Doped Highly Hydroxylated Polymer Based Thin Membrane. Materials Today: Proceedings, 18, 1888-1895.
dc.identifier.endpage1895en_US
dc.identifier.issn2214-7853en_US
dc.identifier.startpage1888en_US
dc.identifier.urihttps://doi.org/10.1016/j.matpr.2019.06.678
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37934
dc.identifier.volume18en_US
dc.identifier.wosWOS:000495858400014en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.institutionauthorRadha, Morad Abdulwheed.
dc.institutionauthorPehlivan, Erol.
dc.language.isoenen_US
dc.publisherELSEVIERen_US
dc.relation.ispartofMATERIALS TODAY-PROCEEDINGSen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectHydroxylated polymeren_US
dc.subjectinorganic aciden_US
dc.subjectsol-gelen_US
dc.subjectthin membraneen_US
dc.subjectcharacterizationen_US
dc.titleInorganic acid doped highly hydroxylated polymer based thin membraneen_US
dc.typeConference Objecten_US

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