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Fibre Chemistry

, Volume 51, Issue 2, pp 126–130 | Cite as

Electrothermal Properties of a Polyoxadiazole Fiber System

  • V. A. LysenkoEmail author
  • M. V. Kriskovets
MATERIALS SCIENCE
  • 6 Downloads

Model concepts are developed of polymer and carbon fibers as systems and microcomposites, and of system transitions during heat treatment and carbonization. The patterns of influence of heat treatment regimes on the properties of polyparaphenylene-1,3,4-oxadiazole fibers and carbon fibers based on them are revealed. It is shown that a decrease in the rate of heat treatment of the fibers, including at temperatures below the temperature of the onset of thermal decomposition, as well as their annealing lead to a 1.36-fold increase in the electrical conductivity of carbonized fibers at the points of local extremes of electrothermal dependencies and a 5.8-fold decrease of the semiconductor effect.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.St. Petersburg State University of Industrial Technologies and Design (SPbSUITD)St. PetersburgRussia

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