Investigation of the Influence of Carbon Fillers on the Manifestation of the Effect of Tensoresistivity in Tire Regenerates

An opportunity of development of electrically conductive rubber based on industrially produced tire regenerate RShT-4 and Reg-1, obtained in laboratory conditions, with electrically conductive carbon fillers is shown. OMCARB CH85 carbon black (CB) produced by Omsktekhuglerod Ltd. and Tenax-e HTS-45...

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Bibliographic Details
Published in:Inorganic materials : applied research 2023-12, Vol.14 (5-6), p.1340-1347
Main Authors: Shadrinov, N. V., Antoev, K. P.
Format: Article
Language:English
Subjects:
Carbon
Carbon black
Carbon fibers
Chemistry
Chemistry and Materials Science
Fillers
General Purpose Materials
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Investigations
Materials Science
Mechanical properties
Physical properties
Tensile strength
Tires
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Summary:An opportunity of development of electrically conductive rubber based on industrially produced tire regenerate RShT-4 and Reg-1, obtained in laboratory conditions, with electrically conductive carbon fillers is shown. OMCARB CH85 carbon black (CB) produced by Omsktekhuglerod Ltd. and Tenax-e HTS-45 carbon fibers (CF) produced by Toho Tenax America were used as electrically conductive fillers. Curing and rheometric properties of regenerates with different content of Santogard PVI and electroconductive fillers were investigated. The study of the physical and mechanical properties of regenerates showed that introduction and increase of electroconductive CB and CF content in Reg-1 and RShT-4 leads to gradual reduction of elongation at break and increase in tensile strength and Shore A hardness, which is evidence of reinforcing effect of fillers. The effect of tensoresistance in the obtained regenerates depending on the content of electroconductive fillers is investigated. It is shown that addition of electroconductive CB to Reg-1 and RShT-4 imparts electroconductivity and tensoresistivity, that is, decrease in resistance in compression. Addition of CF leads to the opposite effect—increase in electrical resistance in compression. The possible mechanisms for the manifestation of tensoresistance at introduction of electroconductive CB and decrease in electroconductivity at introduction of CF are proposed.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113323050416