Fabrication and Characterization of Proton Conductive Membranes Based on Poly(methyl methacrylate-co-maleic anhydride)

سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 32

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شناسه ملی سند علمی:

JR_IJCCE-39-1_004

تاریخ نمایه سازی: 17 خرداد 1404

چکیده مقاله:

In this study, proton conductive composite membranes were produced by using a poly(methylmethacrylate-co-maleic anhydride) (P(MMA-co-MAH)) copolymer and phosphotungstic Acid (PWA) as an additive of the proton conductive agent. P(MMA/MAH) ۷۰/۳۰, ۵۰/۵۰, and ۳۰/۷۰ were synthesized using a free radical polymerization reaction. PWA with a concentration of ۲% was added to improve the performance of proton exchange membranes. Composite membranes of P(MMA۳۰-co-MAH۷۰)/PWA had the highest performance, and this improvement was attributed to the presence of MAH and PWA. By increasing the ratio of MMA:MAH from ۳۰/۷۰ to ۷۰/۳۰, thermal stability, ion exchange capacity and proton conductivity of membranes enhanced up to ۳۱۰°C, ۰.۸۵ meq/g, and ۵.۷۷ mS/cm, respectively. Moreover, the addition of PWA into the membrane matrix improved the membrane characteristics so that thermal stability, ion exchange capacity, and proton conductivity increased to ۳۱۷°C, ۰.۹۸ meq/g, and ۱۴.۴۲ mS/cm. The synthesized copolymer offered the required properties to be used for the fabrication of a proton conductive membrane.

نویسندگان

Mohammad Nasiri

Department of Chemistry, Malek-Ashtar University of Technology, Shahin-Shahr, P.O. Box ۸۳۱۴۵-۱۱۵ Isfahan, I.R. IRAN

Fariborz Atabaki

Department of Chemistry, Malek-Ashtar University of Technology, Shahin-Shahr, P.O. Box ۸۳۱۴۵-۱۱۵ Isfahan, I.R. IRAN

Negin Ghaemi

Department of Chemical Engineering, Kermanshah University of Technology, ۶۷۱۷۸ Kermanshah, I.R. IRAN

zahra Seyedzadeh

Department of Chemistry, Malek-Ashtar University of Technology, Shahin-Shahr, P.O. Box ۸۳۱۴۵-۱۱۵ Isfahan, I.R. IRAN

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