A Study Of Optimum Condition To Produce Rubber Induced (Polypropylene)

Mahmud Khalil, Lias (2008) A Study Of Optimum Condition To Produce Rubber Induced (Polypropylene). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is entitled the optimum condition to produced rubber induced polymer (polypropylene). Since blending of two different materials together enhanced the mechanical properties of a material, flexural strength of recycle rubber induced polypropylene is determined. Emphasize is took on effect of different weight percentage which is varied from 10% to 30% rubber. Recycle rubber from motorcycle tube is crushed into small particles using crusher machine. Rubber and polypropylene were then blended in internal mixer and extruder. Next, the blend is crushed and hot pressed before the flexural specimen is fabricated. Flexural test is conducted and the blend with 10 wt% of rubber has the highest value of flexural strength. The flexural result showed decreasing of flexural strength as increasing of rubber wt%. Blend with 10 wt% and 20 wt% rubbers enhanced the flexural strength but not for blend with 30 wt% of rubber. Formation of void inside the blend is the main factor that influenced the result. Poor interfacial compatibility of the blend restricted flexural strength of PP to increase by mixing with recycle rubber. At the end of this study, the optimum condition of this blend determined and it is PP/10 wt% recycle rubber.

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