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Synthesis and characterization of proton-conducting copolymers on the basis of vinylpyrrolidone and acrylamido sulfonic acid

✍ Scribed by A. Bozkurt; Ö. Ekinci; W. H. Meyer

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
111 KB
Volume
90
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Free‐radical copolymerizations of 1‐vinyl‐2‐pyrrolidone with 2‐acrylamido‐2‐methyl propane sulfonic acid at different feed ratios were investigated. The copolymers were characterized by ^1^H‐NMR, ^13^C‐NMR, and FTIR. The copolymer composition was determined from the elemental analysis. The molecular weights (M~w~, M~n~) and dispersities of the copolymers were determined by gel permeation chromatography. Thermogravimetric analysis indicated that copolymers are stable at least up to 200°C. Temperature dependency of the alternating current (ac) conductivities was investigated by means of impedance spectroscopy. The direct current (dc) conductivities of the samples were obtained from the ac conductivity data. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 90: 3347–3353, 2003

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