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Study of the Degradation of Poly(ethyl glyoxylate): Biodegradation, Toxicity and Ecotoxicity Assays

Abstract : Biodegradation of poly (ethyl glyoxylate) (PEtG), a functionalized polyacetal, was investigated over 6 month according to ASTM 5988-96 modified method and compared to micronized cellulose. More than 95 % of the polymer was converted into CO2 over that period attesting the biodegradability of PEtG. The degradation by-products toxicity and ecotoxicity were evaluated. Toxicity was checked using an innovant non-mammalian toxicological model using the nematode Caenorhabditis elegans. Ecotoxicity was performed using a plant growth test with cress (Lepidium Sativum), and barley (Hordeum vulgare). In all cases, results concluded on the harmlessness of PEtG and relative by-products.
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Submitted on : Tuesday, July 24, 2018 - 2:25:38 PM
Last modification on : Thursday, July 2, 2020 - 3:28:55 AM

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Benjamine Belloncle, Claude Bunel, Laurence Menu-Bouaouiche, Olivier Lesouhaitier, Fabrice Burel. Study of the Degradation of Poly(ethyl glyoxylate): Biodegradation, Toxicity and Ecotoxicity Assays. Journal of Polymers and the Environment, Springer Verlag, 2012, 20 (3), pp.726 - 731. ⟨10.1007/s10924-012-0429-2⟩. ⟨hal-01848259⟩

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