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A STUDY OF THE ELECTRICAL PROPERTIES AND SECONDARY TRANSITIONS OF POLY (ETHER IMIDE)

M. Serin1,* , F. Cakar2, O. Cankurtaran3

Affiliation

  1. Yildiz Technical University, Department of Physics
  2. Yildiz Technical University, Department of Chemistry Davutpasa Campus, 34220, Esenler, Istanbul, Turkey
  3. Yildiz Technical University, Department of Chemistry Davutpasa Campus, 34220, Esenler, Istanbul, Turkey

Abstract

Secondary transition temperatures of poly (ether imide) films were established below and above glass transition temperature, 220 oC by using inverse gas chromatography, dc conductivity-temperature and differential scanning calorimeter measurements. The secondary transition temperatures obtained these techniques were compared with the ones obtained by thermally stimulated depolarization current. Electrical characterization of the films having three different dopant concentration of 0.25 mol, 0.50 mol, and 0.75 mol per mol of polymer and the constant sample tickness of 6 mm was realized on the base of dc conductivity-temperature measurements. As doping concentration were increased, it was seen an increase at glass transition temperature..

Keywords

Ultem, Glass transition temperature, Inverse gas chromatography, Electrical characterization, Dark conductivity, Doping.

Submitted at: March 1, 2005
Accepted at: May 26, 2005

Citation

M. Serin, F. Cakar, O. Cankurtaran, A STUDY OF THE ELECTRICAL PROPERTIES AND SECONDARY TRANSITIONS OF POLY (ETHER IMIDE), Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 3, pp. 1517-1522 (2005)