Effect of electron beam irradiation of high density polyethylenewaste tire powder (hdpewtp) blends on processability, tensile properties and morphological properties
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Date
2018-06
Authors
Khairunnisa Azalin Azami
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Abstract
Recycling of waste is still a current issue. Saving primary sources and energy
should be a priority. Inexpensive recycling which is environmentally friendly should be
preferred. Nowadays, the rubber industry and the consumption of polymeric materials
increase in parallel to the rapid industrialization and civilization. As polymeric materials
do not decompose easily, disposal of waste polymers is a major environmental problem.
Other than that, the improvement of the toughness of HDPE also need to be studied. In
order to recycle the waste and improve the properties of HDPE, HDPE was blended
with WTP and EB irradiation was conducted. The waste tire selected was in powder
form and sieved to get smaller size than 3 micron. It acts as filler while the high density
polyethylene acts as matrix. The fillers content were varied which are 0, 1, 2, 3 and 5
percent. Electron beam irradiation was conducted to study the differences behaviour of
the blends under radiation treated and without radiation treated. Processability
monitoring, tensile test and failure analysis were carried out to investigate the properties
of the blends. Overall, the results show that the varied content of fillers affected the
processability, tensile properties and morphology of the blends. The radiation treatment
had also improved the properties of the blends