THERMAL SCIENCE

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Saban Bulbul

,

Mehmet Emin Ergun

EFFECT OF MICA POWDER-FILLED STYRENE-BUTADIENE RUBBER COMPOUNDS ON CROSSLINK DENSITY AND MECHANICAL PROPERTIES

ABSTRACT
In this study, four different compounds were produced by adding different proportions of mica powder (0-5-10-20%) to styrene-butadiene rubber. After vulcanization, the crosslink density, hardness, density, tensile strength, elongation percentage, and tearing strength of the compounds were measured. In addition, the effects of crosslink density on mechanical properties were discussed. The physio-mechanical properties of the new compounds produced were compared both among them­selves and with the properties of the rubber being referenced. It was observed that increasing the crosslink density of mica powder provided an advantage in terms of hardness, tensile strength, tearing strength, and percentage elongation properties. To explain the changes in mechanical properties, the tensile fracture surfaces were determined by SEM and energy dispersive spectroscopy. In the light of the obtained results, it was determined that the use of carbon black could be reduced by using mica powder in the rubber industry.
KEYWORDS
compound, rubber, mechanical properties, crosslink, mica powder
PAPER SUBMITTED: 2021-05-05
PAPER REVISED: 2021-11-09
PAPER ACCEPTED: 2022-05-12
PUBLISHED ONLINE: 2022-07-23
DOI REFERENCE: https://doi.org/10.2298/TSCI2204019B
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 4, PAGES [3019 - 3028]
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Effect of mica powder-filled styrene-butadiene rubber compounds on crosslink density and mechanical properties

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence