Premium
Synthesis and characterization of proton‐conducting copolymers on the basis of vinylpyrrolidone and acrylamido sulfonic acid
Author(s) -
Bozkurt A.,
Ekinci Ö.,
Meyer W. H.
Publication year - 2003
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.13112
Subject(s) - copolymer , sulfonic acid , thermogravimetric analysis , polymer chemistry , gel permeation chromatography , materials science , fourier transform infrared spectroscopy , chemistry , chemical engineering , polymer , organic chemistry , composite material , engineering
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