Characterization of the influence of processing conditions on polarization phenomena in PVC

Author

Dandurand, Jany ; Lacabanne, Colette ; Boulet, Jean Pierre

Author_Institution

Lab. de Phys. des Solides, Univ. Paul Sabatier, Toulouse, France

fYear

1994

fDate

7-9 Sep 1994

Firstpage

467

Lastpage

471

Abstract

The Thermally Stimulated Current (TSC) spectroscopy has been applied to the characterization of the influence of processing conditions on polarization phenomena of PVC. Two relaxation modes are observed, independently from the thermomechanical history of the polymer. Both modes can be described by continuous distribution of relaxation times following a compensation law. So, each mode has been characterized by a compensation time and the range of the activation enthalpies. The compensation temperature is particularly sensitive to the thermomechanical history of the polymer and to the presence of lubricants and plasticizers

Keywords

dielectric polarisation; dielectric relaxation; electrets; organic insulating materials; polymers; thermally stimulated currents; PVC; activation enthalpies; compensation law; continuous distribution of relaxation times; lubricants; plasticizers; polarization phenomena; processing conditions; relaxation modes; thermally stimulated current spectroscopy; thermomechanical history; Chemical analysis; History; Lubricants; Physics; Polarization; Polymers; Solid state circuits; Spectroscopy; Temperature; Thermomechanical processes;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrets, 1994. (ISE 8), 8th International Symposium on

Conference_Location

Paris

Print_ISBN

0-7803-1940-0

Type

conf

DOI

10.1109/ISE.1994.514814

Filename

514814