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Polymers 2017, 9(9), 384; https://doi.org/10.3390/polym9090384

Change of Mechanical Properties of Powder Recyclate Reinforced Polyolefin Based on Gamma Radiation

Department of Mechanical Engineering, Munzur University, 62000 Tunceli, Turkey
Received: 14 July 2017 / Revised: 17 August 2017 / Accepted: 18 August 2017 / Published: 23 August 2017
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Abstract

In this study, the changes observed in the mechanical properties of standard test specimens that were produced with powder coating reinforced polyolefin (polyethylene and polypropylene) due to gamma radiation were examined. Matrix material of these specimens included low density polyethylene and polypropylene and 5%, 10%, 20%, 30%, 40% and 50% electrostatic powder coating waste by weight, and the samples were exposed to 44 kGry gamma-radiation for twenty four hours. Mechanical tests applied to the specimens after radiation demonstrated that the physical bonding mechanism between matrix material and filler material was reinforced. In the mechanical tests, tensile strength, three-point bending strength, and Izod impact strength of the samples were investigated and the results were compared to the results obtained in the mechanical tests when they were not radiated. Thus, the effects of gamma radiation on the mechanical properties of the filler material, and the electrostatic powder coating reinforced polyethylene and polypropylene were determined. Furthermore, section images of the radiated samples were taken with a scanning electron microscope and compared to the section images of irradiated samples to observe the physical bonding mechanism. View Full-Text
Keywords: thermoplastic; polyethylene; polypropylene; electrostatic powder coating waste; gamma radiation; mechanical properties thermoplastic; polyethylene; polypropylene; electrostatic powder coating waste; gamma radiation; mechanical properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kismet, Y. Change of Mechanical Properties of Powder Recyclate Reinforced Polyolefin Based on Gamma Radiation. Polymers 2017, 9, 384.

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