Studies on the dielectric properties of poly(o-toluidine) and poly(o-toluidine-aniline) copolymer

Poly(o‐toluidine) (PoT) and poly(o‐toluidine co aniline) were prepared by using ammonium persulfate initiator, in the presence of 1M HCl. It was dried under different conditions: room temperature drying (48 h), oven drying (at 50°C for 12 h), or vacuum drying (under vacuum, at room temperature for 1...

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Bibliographic Details
Published in:Journal of applied polymer science 2004-04, Vol.92 (1), p.592-598
Main Authors: John, Honey, Thomas, Rinku M., Mathew, K. T., Joseph, Rani
Format: Article
Language:English
Subjects:
Applied sciences
conductivity
Electrical, magnetic and optical properties
Exact sciences and technology
frequency
Organic polymers
Physicochemistry of polymers
poly(o-toluidine co aniline)
poly(o-toluidine)
Polyaniline
Properties and characterization
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Summary:Poly(o‐toluidine) (PoT) and poly(o‐toluidine co aniline) were prepared by using ammonium persulfate initiator, in the presence of 1M HCl. It was dried under different conditions: room temperature drying (48 h), oven drying (at 50°C for 12 h), or vacuum drying (under vacuum, at room temperature for 16 h). The dielectric properties, such as dielectric loss, conductivity, dielectric constant, dielectric heating coefficient, loss tangent, etc., were studied at microwave frequencies. A cavity perturbation technique was used for the study. The dielectric properties were found to be related to the frequency and drying conditions. Also, the copolymer showed better properties compared to PoT alone. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 92: 592–598, 2004
ISSN:0021-8995
1097-4628
DOI:10.1002/app.20044