title: Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐ²Ð¾Ð¹ÑÑÐ²Ð° Ð¿Ð¾Ð»Ð¸Ð¸Ð¼Ð¸Ð´Ð¾Ð² Ñ ÑÐ°Ð·Ð½Ð¾Ð¹ Ð¶ÑÑÑÐºÐ¾ÑÑÑÑ Ð¼Ð°ÐºÑÐ¾Ð¼Ð¾Ð»ÐµÐºÑÐ»
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Study of electrical properties of polyimides with different rigidity of macromolecules
Creators: name: ÐÐ¸Ð±Ð¸ÑÐµÐ², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÐÐ¾Ð»Ð¸Ð¸Ð¼Ð¸Ð´Ñ
Ð­Ð»ÐµÐºÑÑÐµÑÑ (ÑÐ¸Ð·.)
ÐÐ°ÐºÑÐ¾Ð¼Ð¾Ð»ÐµÐºÑÐ»Ñ
Ð¢Ð²ÐµÑÐ´ÑÐµ ÑÐµÐ»Ð°
ÐÐ±ÑÐ¾ÑÐ±ÑÐ¸Ñ
ÑÐµÑÐ¼Ð¾ÑÑÐ°Ð±Ð¸Ð»ÑÐ½Ð¾ÑÑÑ
ÑÐµÐ»Ð°ÐºÑÐ°ÑÐ¸Ñ Ð·Ð°ÑÑÐ´Ð°
ÑÐµÑÐ¼Ð¾Ð°ÐºÑÐ¸Ð²Ð°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ¿ÐµÐºÑÑÐ¾ÑÐºÐ¾Ð¿Ð¸Ñ
ÑÑ ÐµÐ¼Ð° Ð¤Ð¾Ð¹Ð³ÑÐ°
thermostability
charge relaxation
thermally activated spectroscopy
Voigt circuit

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description: This work was devoted to the influence of the rigidity of polyimide macromolecules on the electrical and electret properties. Tasks that were solved during the study: 1. Study of the influence of the rigidity of polyimide macromolecules on the stability of the electret state. 2. Refinement of the mechanism of homocharge relaxation in polyimide films. 3. Calculation of the parameters of the Voigt equivalent circuit for samples. 4. Calculation of low-frequency characteristics and absorption coefficient. The stability of the electret state of R-BAPB, PMDA-ODA, DP-oTD polyimide films has been studied. The dependence of thermal stability of the materials on the macromolecular rigidy was established. A comparison of the conductivity calculated from the TSD spectra with direct measured intrinsic conductivity is carried out. The activation energies of polyimides with different macromolecular rigidy were determined. The parameters of the Voigt equivalent circuit of polyimides are calculated. The absorption coefficients and low-frequency characteristics are calculated. The data obtained during the work can be used in the production of a whole range of various electrical products from cable insulation to capacitors.