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Title of Journal: Colloid Polym Sci

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Abbravation: Colloid and Polymer Science

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Springer Berlin Heidelberg

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DOI

10.1006/jctb.1994.1035

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1435-1536

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Preparation and characterization of composite memb

Authors: Yi Yang Hejun Gao Fei Lu Liqiang Zheng
Publish Date: 2014/07/17
Volume: 292, Issue: 11, Pages: 2831-2839
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Abstract

Polyvinyl alcohol PVA protonconducting composite membranes were prepared using succinic acid SA as a crosslinking agent and Brønsted acidic ionic liquid BAIL as a proton source The incorporated BAILs resulted in a relatively high proton conductivity compared with PVA/SA membrane without BAILs The proton conductivities of PVA/SA/BAIL composite membranes increased versus the BAIL content In addition the optimal resultant proton conductivity of PVA/SA/BAIL composite membrane under dry condition could reach 04 mS/cm at 140 °C which was higher than that of PVA/sulfosuccinic acid SSA composite membrane 0032 mS/cm PVA/SSA/5aminotetrazole membrane 0022 mS/cm at 130 °C and PVA/chlorosulfonic acid/glutaraldehyde membrane 00585 mS/cm at 90 °C measured at the same condition It was notable that the PVA/SA/BAIL composite membranes could reach high thermal stability up to 150 °C which was higher than that of traditional PVA membranes below 80 °CThe authors are grateful to the National Basic Research Program 2013CB834505 specialized Research Fund for the Doctoral Program of Higher Education of China No 20120131130003 and the Shandong Provincial Natural Science Foundation China ZR2012BZ001

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