A modified method in dielectric research of carbon black rubber compounds

Lanzl, T. and Ludwig, J. and Kreitmeier, S. and Goeritz, Dietmar (2000) A modified method in dielectric research of carbon black rubber compounds. KAUTSCHUK GUMMI KUNSTSTOFFE, 53 (11). pp. 638-643. ISSN 0022-9520

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Abstract

The dielectric response of carbon black filled styrene butadiene rubber (SBR) composites was studied by applying a new experimental set-up, In contrast to the common method placing the rubber compound between the electrodes two additional insulation layers were inserted into the test condenser. The insertion of the insulating layers improves the repeatability of the measured data and permits to distinguish the characteristic properties of different compounds. Dielectric constant and dielectric loss of this system were recorded in a frequency range from 20 Hz to 1 GHz for different types of carbon blacks and various filler contents below and above the percolation threshold. The results are discussed by means of the Maxwell-Wagner model for a layered heterogeneous system.

Item Type: Article
Uncontrolled Keywords: PERCOLATION-THRESHOLD; ELECTRICAL-PROPERTIES; CONDUCTIVITY; CONSTANT; COMPOSITES; SBR; carbon black; relaxation; dielectric constant; dielectric loss; percolation
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Dietmar Göritz
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Mar 2022 07:49
Last Modified: 21 Mar 2022 07:49
URI: https://pred.uni-regensburg.de/id/eprint/42107

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