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Characterization of High Density Solid Waste Biopolymer Foam
Abstract:
Waste cooking oils are problematic disposal especially in the developed countries. Management of such oil is a significant challenge due to the disposal problems and possible contamination of the water and landfills. Thus, paper presented the synthesized of polyol based on waste cooking oil as raw material to produce Bio-foam polymer. The purpose of the study is to develop the High Density solid Biopolymer (HDB) foam by using hot compression moulding technique. The tensile strength and damping characterization shows a good correlation with it density. The maximum tensile strength of HDB is 4.89 MPa with Youngs Modulus of 0.26 GPa. The Scanning Electron Microscopy (SEM) micrograph, shows two characteristic and classified as a brittle and ductile fracture of granular (shiny) texture or cleavage character with little yielding before the sample breaks. Brittle fracture was characterized by rapid crack propagation and ductile fracture by stress whitening zone meanwhile, the damping characteristics have been studied via vibration test. It is revealed that HDB foam was highly absorbed the vibration frequency up to 19.2% as compared to rigid HDB foam of only 5.7%. Furthermore, the addition of sandwich layer of the vibrational test were revealed unchanged of the amplitude values.
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133-137
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Online since:
August 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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