Oxidative Degradation of Plastic Bottle Tops in an Arid, Terrestrial Environment—Identifying Oxidative Degradation by Infrared Spectroscopy — Oak Academic Publishing
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Oxidative Degradation of Plastic Bottle Tops in an Arid, Terrestrial Environment—Identifying Oxidative Degradation by Infrared Spectroscopy
Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
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Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
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Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
1 Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
2 Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
3 Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
This communication looks at the photo-oxidation of polythene and polypropylene plastic bottle tops that are placed on soil in a hot arid environment. The degree of oxidation of the plastic is monitored by FT-IR spectroscopy. It is noted that while different bottle top types photo-oxidize at different rates, all show an appreciable level of oxidation after half a year of exposure to the environment. The oxidation leads to brittleness of the plastic, which leads to fissure formation in bottle tops of little thickness. This leads to fragmentation of the material upon impact, making plastic bottle tops an appreciable source of microplastics.
KeywordsPlasticsPolythenePolypropylenePlastic Bottle TopsFragmentationMicroplasticsInfrared SpectroscopyOxidation Index
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