Comparative assessment of marine weathering of ROP-derived biopolymers against conventional plastics
Rodgers, Karen; Mayes, William M.; Santoro, Orlando; Redshaw, Carl; Mccumskay, Rick; Parsons, Daniel R.
Dr Will Mayes W.Mayes@hull.ac.uk
Reader in Environmental Science
Professor Carl Redshaw C.Redshaw@hull.ac.uk
Professor of Inorganic Materials Chemistry and REF Lead for Chemistry
Professor Daniel Parsons D.Parsons@hull.ac.uk
Professor in Sedimentology/ Director, Energy and Environment Institute
Bio-based plastics were designed to replace single-use plastics and to cause less post-consumer environmental damage. This paper assesses the weathering of four bio-based polymers created by ring opening polymerization (ROP) promoted by a previously reported Ti-based catalyst, to detect any problems before production was scaled up. Samples were aged in seawater to identify degradation products and monitor structural changes. Surfaces evidenced degradation and a range of leaching products was observed. Aside from compounds used in the preparation of the plastics (i.e. residual monomers and benzyl alcohol), the degradation products included carboxylic acids (often found in plastic leachate), oxacyclohexadecan-2-one (potentially toxic to aquatic life) and triphenylmethane (potential carcinogen). Overall, there were fewer structural changes in the fossil fuel based polymer (PS) and in the commercially available bio-based plastic studied for comparison purposes than the lab based bio-based polymers.
Rodgers, K., Mayes, W. M., Santoro, O., Redshaw, C., Mccumskay, R., & Parsons, D. R. (2021). Comparative assessment of marine weathering of ROP-derived biopolymers against conventional plastics. Marine pollution bulletin, 167, https://doi.org/10.1016/j.marpolbul.2021.112272
|Journal Article Type||Article|
|Acceptance Date||Mar 14, 2021|
|Online Publication Date||Mar 29, 2021|
|Deposit Date||Mar 29, 2021|
|Publicly Available Date||Mar 30, 2022|
|Journal||Marine Pollution Bulletin|
|Peer Reviewed||Peer Reviewed|
|Keywords||Plastic; Bio-based; Bioplastic; Weathering; Leaching; Seawater|
|Additional Information||This article is maintained by: Elsevier; Article Title: Comparative assessment of marine weathering of ROP-derived biopolymers against conventional plastics; Journal Title: Marine Pollution Bulletin; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.marpolbul.2021.112272; Content Type: article; Copyright: © 2021 Elsevier Ltd. All rights reserved.|
This file is under embargo until Mar 30, 2022 due to copyright reasons.
Contact J.Emson@hull.ac.uk to request a copy for personal use.
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