Electric Resistance of Carbon Polyvinyl Alcohol Fibers

Electric Resistance of Carbon Polyvinyl Alcohol Fibers

The main patterns of the influence of the modes of dehydration and carbonization on the electrical resistance of carbon fibers based on polyvinyl alcohol have been determined. For the produced carbon fibers, the presence of minima in the dependences of the electrical resistance on the final carboniz...

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Veröffentlicht in:Fibre chemistry 2021-11, Vol.53 (4), p.258-262
Hauptverfasser: Lysenko, V. A., Kriskovets, M. V.
Format: Artikel
Sprache:eng
Schlagworte:
Alcohol industry
Carbon fibers
Carbonization
Chemistry
Chemistry and Materials Science
Dehydration
Electric properties
Electrical resistance
Organic Chemistry
Polymer Sciences
Polyvinyl alcohol
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Zusammenfassung:The main patterns of the influence of the modes of dehydration and carbonization on the electrical resistance of carbon fibers based on polyvinyl alcohol have been determined. For the produced carbon fibers, the presence of minima in the dependences of the electrical resistance on the final carbonization temperature was noted. The hypothesis of the formation of a special system of polycumulene bonds, which underlies the discovered phenomenon of ultra-low, no more than 0.193·10 –3 mOhm·cm, specific electrical resistance of elementary carbon polyvinyl alcohol fibers has been confirmed.
ISSN:0015-0541
1573-8493
DOI:10.1007/s10692-022-10280-y