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The effect of polyethylene-grafted-maleic anhydride as compatibilizer on properties of recycled high density polyethylene/ethylene vinyl acetate/taro powder (colocasia esculenta) composites
Fatimah, A.R.H1, Supri, A.G2, Firuz, Z3.
The objectives of this study were to investigate the effects of filler loading and compatibilizer,
namely taro powder (TP) and polyethylene-grafted-maleic anhydride (PE-g-MAH) on the tensile
properties, swelling behavior, water absorption, morphology analysis, infrared spectroscopy, and
thermal stability of recycled high density polyethylene (RHDPE)/ ethylene vinyl acetate (EVA)/ taro
powder (TP) composites. In this regard, RHDPE/EVA/TP composites were prepared by using melt
blending technique in a Brabender Plasticorder at temperature of 160°C and speed of 50 rpm. The
results showed the tensile strength and elongation at break decreased with increasing TP loading while
modulus of elasticity, mass swell, water absorption, and thermal stability increased. Nevertheless, the
addition of PE-g-MAH greatly improved the tensile strength, modulus of elasticity, and thermal
stability. However, the elongation at break, percentage mass swell, and water absorption decreased
with the corporation of PE-g-MAH as compatibilizer. The scanning electron microscopy (SEM) results
revealed that taro powder filler dispersed in RHDPE/EVA/TP phase composites and better dispersion
state of dispersed taro was discovered in RHDPE/EVA/TP composites with addition of PE-g-MAH as
compatibilizer. On the other hand, adding PE-g-MAH also resulted in better interfacial adhesion
between RHDPE/EVA matrix and TP filler.
Affiliation:
- Universiti Malaysia Perlis, Malaysia
- Universiti Malaysia Perlis, Malaysia
- Universiti Malaysia Perlis, Malaysia
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