Tensile Behavior Study Of Polypropylene At Different ASH Loading

Rosli, Siti Najihah (2017) Tensile Behavior Study Of Polypropylene At Different ASH Loading. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

These days, productions of polymer composite often involve huge investment in material achievement. Productions polymer got famous due to light in weight, foldability in any shape, non-destructive in nature, mixture of colours, spare the application of plant woods for household furniture or more all reusability and so on. One way of reducing the production cost but still maintaining the properties of the composite is by using a filler such as coal ash. Coal ash had been choose due their availability, low cost, low density and recyclability. This study is focusing on effect of tensile behavior for polypropylene at different ash filler loading. In order to produce material compound, different composition had been studied to improve their physical and mechanical properties. The optimum compounding formulation of the material compound was observed at the combination of polypropylene and coal ash based on 100 wt. % of the polypropylene (PP) and different loading coal ash (CA) at 1, 2, 5, 7 and 10 wt. %. In order to improve the interfacial interaction between PP and CA, stearic acid was used as coupling agent at composition of 1 wt. %. The material compound went the compounding process using hot compression molding at 190℃ and crushing process by using crusher machine. Afterward, cutting process was done by using waterjet machining according to ASTM dimensions and then the compound was performed tensile test and density to determine the several of mechanical properties and physical properties. The morphological study of the compound was done by using optical microscope. It can found that the polypropylene with coal ash compounding was decreasing in term of tensile strength at 6.109 MPa since the drop in strength with addition of coal ash. The highest value in tensile strength was achieved at pure PP which is 9.067 MPa. Therefore, coal ash was found to reduce mechanical strength of PP.

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