Effect of Screw Rotation Speed on Mechanical Properties and Morphology of Abs/Mcc Composites

Irvian Adhana, Dharu Feby Smaradhana, Dody Ariawan, Wijang Wisnu Raharjo, Burhanuddin Yusuf

Abstract

Acrylonitrile Butadiene Styrene (ABS) polymer is an example of a thermoplastic polymer that requires heat in its production process. ABS polymer also can be modified to increase strength against resistance, toughness, and heat resistance by adding MCC as a reinforcement to ABS composites. Extrusion is one of the established methods of polymer processing with filler and consequently disperses filler inside the polymer. Different speed shows different behavior of filler dispersion. Therefore, this study was conducted to know the effect of extruder screw speed variations on the mechanical, physical, and thermal stability of ABS/MCC composites. The compositions used in producing ABS/MCC composites are 96% for ABS and 4% for MCC. The production process uses screw extruder speed variations of 10 rpm, 15 rpm, and 20 rpm. ABS/MCC composite in the barrel and hot press use 160 °C for the temperature process. The highest tensile strength was obtained at 10 rpm variation for 14.2 MPa. Increasing the speed of the extruder screw causes a decrease in MCC content attached to ABS which reduces the mechanical strength. ABS/MCC composite density value decreased with the increased extruder speed, as evidenced by the increasing number of voids formed based on SEM testing.

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DOI: https://doi.org/10.20961/mekanika.v22i1.70884

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