Effect of extruder parameters on mechanical properties of revulcanized ground rubber tire powder

B. Maridass; B. R. Gupta

Published : 2022-08-26

Vol. 52 No. 6 (2007)

Effect of extruder parameters on mechanical properties of revulcanized ground rubber tire powder

B. Maridass B. R. Gupta

Abstract

Response Surface Methodology (RSM) was used to study the effects of processing parameters viz. barrel temperature and screw speed on the mechanical properties of revulcanized waste ground rubber tire powder from a counter rotating twin screw extruder. Central composite rotatable design (CCRD) for two variables at five levels was chosen as the experimental design. The following parameters were analyzed: rheometric maximum torque, tensile strength, elongation at break, stress at 100% elongation, hardness and tear strength. The results obtained after measuring the responses were fitted as two variable second order equations which were confirmed experimentally. Barrel temperature is found to be the more influencing factor than the screw speed. Optimum properties were predicted at temperature 197°C and screw speed 25rpm.

Keywords

wytłaczarka dwuślimakowa ; plan eksperymentu ; metodologia analizy powierzchni odpowiedzi ; rewulkanizacja ; odpady z opon gumowych ; właściwości mechaniczne twin screw extruder ; design of experiments ; response surface methodology ; revulcanization ; waste ground rubber tire ; mechanical properties

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Maridass, B., & Gupta, B. R. (2022). Effect of extruder parameters on mechanical properties of revulcanized ground rubber tire powder. Polimery, 52(6), 456–460. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1439

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