Study of polypropylene/natural rubber thermoplastic elastomer loaded with palm ash

Rusli, Nurin Syafiya (2022) Study of polypropylene/natural rubber thermoplastic elastomer loaded with palm ash. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

One of the most versatile polymers on the market today is thermoplastic elastomers (TPE), due to their having qualities that are like both plastics and rubbers. Generally, fillers such as microscopic particles are frequently added to elastomeric materials to improve processability and mechanical compound qualities while also lowering material costs. Oil palm ash (OPA) is the palm oil industrial waste that can be potentially used as filler in TPE, while reducing environmental impact of industrial waste. In this study the effects of Oil Palm Ash (OPA) filled Polypropylene/Natural Rubber Thermoplastic Elastomer polymer blend composite physical, mechanical, and morphological properties were examined. Two different fillers particle size (≤600 µm) for CB and (≤ 100 µm) for OPA were used in this study. The palm waste of PP/NR with 7 different types of samples were prepared using the melt mixing technique using a Haake Rheomix OS at 200°C with rotor speed of 50 rpm for 10 minutes. The total content of fillers varied at 0,10,20,30phr. Increase in palm ash loading in polymer blend composites resulted in increase the value of Impact toughness absorbed, hardness and elongation at break of the polymer blend composites but decreased the tensile strength and Young’s Modulus. Scanning electron microscope micrographs revealed that the higher the filler loading resulted in agglomeration of palm ash in the polymer blend composites. Thus, addition of a small amount of industrial waste filler improves physical and mechanical properties of the PP/NR thermoplastic elastomer.

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