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Identification of commercial oxo-biodegradable plastics: study of UV induced degradation in an effort to combat plastic waste accumulation
Antelava, A.; Constantinou, A.; Bumajdad, A.; Manos, G.; Dewil, R.; Al-Salem, S.M. (2020). Identification of commercial oxo-biodegradable plastics: study of UV induced degradation in an effort to combat plastic waste accumulation. Journal of Polymers and the Environment 28(9): 2364-2376. https://hdl.handle.net/10.1007/s10924-020-01776-x
In: Journal of Polymers and the Environment. Kluwer/Plenum Press: New York. ISSN 1566-2543; e-ISSN 1572-8900, more
Peer reviewed article  

Available in  Authors 

Keywords
    Marine; Terrestrial
Author keywords
    Plastic film; Oxo-biodegradable; Colour; Haze; TGA

Authors  Top 
  • Antelava, A.
  • Constantinou, A.
  • Bumajdad, A.
  • Manos, G.
  • Dewil, R., more
  • Al-Salem, S.M.

Abstract
    End of life single-use items such as carrier bags constitute a large proportion of the litter found in marine and terrestrial environments. The main objective of the current work was to investigate the response of an oxo-biodegradable commercial plastic film product to photo-degradation using accelerated weathering, verifying the claim of its biodegradability and suitability as an eco-friendly product. This study is also geared towards the appropriateness of such products to reduce plastic waste accumulation in urban environments. The film samples were exposed to weathering as a means to determine the impact of UV induced oxo-biodegradation. Haze (%), light transmission (%) and the total change in colour (ΔE) were measured as indicators to the degradation profile of the polymeric materials, in addition to tensile pull mechanical properties and thermal stability. The melting peak indicates the melting point (Tm) of the polymer and with exposure to weathering it showed a slight decrease from 105 to 102 °C indicating that biodegradation mechanisms were triggered to a certain extent. The reduction in strain at rupture was also indicative for a loss in crystalline structure, coupled with Young’s modulus increase throughout the weathering exposure tests. Therefore, the material studied could be a candidate to mitigate the accumulation of plastic waste in open environments based on the results of this study whilst regulating controlled substances.

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