Development of an electrically conductive polymer composite based on linear low-density polyethylene modified with high-structural carbon black
The developed polymer composites based on low-density linear polyethylene modified with OMCARB CH85 technical carbon have been experimentally investigated. A comprehensive analysis of the composites' properties has demonstrated that the use of this filler type results in a percolation transi...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Omsk State Technical University, Federal State Autonomous Educational Institution of Higher Education
2024-10-01
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| Series: | Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение" |
| Subjects: | |
| Online Access: | https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2024/%D0%A2.8,%20%E2%84%963%20(%D0%90%D0%A0%D0%B8%D0%AD%D0%9C)/128-134%20%D0%A0%D0%BE%D0%B3%D0%B0%D1%87%D0%B5%D0%B2%20%D0%95.%20%D0%90.,%20%D0%9A%D0%B0%D0%BB%D0%B5%D0%BD%D1%87%D1%83%D0%BA%20%D0%90.%20%D0%90..pdf |
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| Summary: | The developed polymer composites based on low-density linear polyethylene modified with
OMCARB CH85 technical carbon have been experimentally investigated. A comprehensive analysis
of the composites' properties has demonstrated that the use of this filler type results in a percolation
transition at a 25 % mass fraction of filler, leading to an decrease in resistivity. Samples with lower
concentrations exhibit electrical resistance values corresponding to those of semiconductors. When
the filler concentration reaches 20 %, the maximum material stiffness is observed, and the character of
stretching transitions from ductile to brittle. Electron microscopic examination of the samples reveals a
mesh microstructure of the polymer matrix with embedded carbon black particles acting as crystallization
nuclei. As a result, the mechanical properties and electrical conductivity of the composite are enhanced. |
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| ISSN: | 2588-0373 2587-764X |