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Release of Side-Chain Fluorinated Polymer-Containing Microplastic Fibers from Functional Textiles During Washing and First Estimates of Perfluoroalkyl Acid Emissions
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
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Number of Authors: 122019 (English)In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 53, no 24, p. 14329-14338Article in journal (Refereed) Published
Abstract [en]

The quantity and composition of fibers released from functional textiles during accelerated washing were investigated using the GyroWash method. Two fabrics [polyamide (PA) and polyester/cotton (PES/CO)] were selected and coated with perfluorohexane-based side-chain fluorinated polymers. Fibers released during washing ranged from similar to 10 to 500 mu with a similar distribution for the two textile types. The PA-based fabric released considerably more fibers >20 mu m in length compared to the PES/CO-based fabric (>1000/GyroWash for PA vs similar to 200/GyroWash fibers for PES/CO). After one GyroWash (2-15 domestic washes), fibers that contained approximately 240 and 1300 mu g total fluorine per square meter (mu g F/m(2)) were released from the PA and PES/CO fabrics, respectively. Current understanding of the fate of microplastic fibers suggests that a large fraction of these fibers reach the environment either in effluent wastewater or sewage sludge applied to land. In the environment, the fluorinated side chains will be slowly cleaved from the backbone of the side-chain fluorinated polymers coated on the fibers and then transformed into short-chain perfluoroalkyl acids. On the European scale, emissions of up to similar to 0.7 t of fluorotelomer alcohol (6:2 FTOH) per year were estimated for outdoor rain jackets treated with fluorotelomer-based side-chain fluorinated polymers.

Place, publisher, year, edition, pages
2019. Vol. 53, no 24, p. 14329-14338
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Chemical Sciences
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URN: urn:nbn:se:su:diva-178680DOI: 10.1021/acs.est.9b04165ISI: 000503910500028PubMedID: 31697071OAI: oai:DiVA.org:su-178680DiVA, id: diva2:1394120
Available from: 2020-02-18 Created: 2020-02-18 Last updated: 2020-03-05Bibliographically approved

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Schellenberger, SteffenLiagkouridis, IoannisRibbenstedt, AntonSchultes, LaraPlassmann, Merle M.Cousins, Ian T.Benskin, Jonathan P.
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