Tensile behaviour under thermal degradation of thermoplastic elastomer PP/ENR filled reclaimed rubber

Nurasyikin, Araf (2014) Tensile behaviour under thermal degradation of thermoplastic elastomer PP/ENR filled reclaimed rubber. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

	Text (24 Pages) Tensile behavior inder thermal degradation of thermoplastic elastomer.pdf - Submitted Version Download (1MB)
	Text (Full Text) Tensile behaviour under thermal degradation of thermoplastic elastomer PPENR filled reclaimed rubber.pdf - Submitted Version Restricted to Repository staff only Download (23MB)

Abstract

Thermoplastic elastomer gaining attention because of its features are similar to vulcanised rubber and easy to fabricate such as thermoplastic. This study focuses on to produce the new thermoplastic elastomer material with material from the blend of polypropylene (PP), epoxidised natural rubber (ENR) and reclaimed rubber (RR). The study also focuses on the effect of of temperature and exposure time to the tensile properties of PP/ENR/RR blend. The effect of temperature that will be set on sample will be evaluated the tensile properties of PP/ENR/RR blend. Zinc oxide and stearic acid will be used as an activator, and then sulphur acts as a curing agent. The melts compounding process involve the mixing of materials in pallet form in an internal mixer to produce compound materials at operating temperature of 180oC and rotor speed of 60 rpm. Several tests and analysis including density testing , tensile test , hardness test , scanning electron microscopy ( SEM ) and differential scanning calorimetry ( DSC ) will be conducted to characterize the properties of PP / ENR / RR blend. In this research, it is shows that increases temperature and exposure time increase the degradation level experienced by the PP/ENR/RR blend due to the thermal effect which alters the structure of the blends and also change the strength. The research also shows that the increasing of period with high temperature had caused the mechanical properties of blend and the tensile behaviour is become poorer. The effect of temperature on sample was evaluated the tensile properties of PP/ENR/RR blend.

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