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An Outdoor Aging Study to Investigate the Release of Per- And Polyfluoroalkyl Substances (PFAS) from Functional Textiles
RISE Research Institutes of Sweden, Material och produktion, Metodik för produktframtagning. Stockholm University, Sweden.ORCID-id: 0000-0001-8001-6851
Stockholm University, Sweden; IVL Swedish Environmental Institute, Sweden.
Stockholm University, Sweden; IVL Swedish Environmental Institute, Sweden.
University of New South Wales, Australia.
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2022 (Engelska)Ingår i: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 56, s. 3471-Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The emission of per- and polyfluoroalkyl substances (PFAS) from functional textiles was investigated via an outdoor weathering experiment in Sydney, Australia. Polyamide (PA) textile fabrics treated with different water-repellent, side-chain fluorinated polymers (SFPs) were exposed on a rooftop to multiple natural stressors, including direct sunlight, precipitation, wind, and heat for 6-months. After weathering, additional stress was applied to the fabrics through abrasion and washing. Textile characterization using a multiplatform analytical approach revealed loss of both PFAS-containing textile fragments (e.g., microfibers) as well as formation and loss of low molecular weight PFAS, both of which occurred throughout weathering. These changes were accompanied by a loss of color and water repellency of the textile. The potential formation of perfluoroalkyl acids (PFAAs) from mobile residuals was quantified by oxidative conversion of extracts from unweathered textiles. Each SFP-textile finish emitted a distinct PFAA pattern following weathering, and in some cases the concentrations exceeded regulatory limits for textiles. In addition to transformation of residual low molecular weight PFAA-precursors, release of polymeric PFAS from degradation and loss of textile fibers/particles contributed to overall PFAS emissions during weathering. © 2022 The Authors. 

Ort, förlag, år, upplaga, sidor
American Chemical Society , 2022. Vol. 56, s. 3471-
Nyckelord [en]
diffuse emissions, functional textile, microplastic fibers, PFAS, textile weathering, total fluorine analysis, Fluorine, Molecular weight, Textile industry, Textiles, Water treatment, Diffuse emission, Fluorine analysis, Functional textiles, Microplastic fiber, Microplastics, Perfluoroalkyl acids, Polyfluoroalkyl substances, Total fluorine, Total fluorine analyse, Weathering
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URN: urn:nbn:se:ri:diva-58909DOI: 10.1021/acs.est.1c06812Scopus ID: 2-s2.0-85125557598OAI: oai:DiVA.org:ri-58909DiVA, id: diva2:1647202
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Funding details: Svenska Forskningsrådet Formas, 2012-2148, 3567; Funding details: Stockholms Universitet, SU; Funding text 1: Funding for this work was provided by the SUPFES project ( www.supfes.eu ), FORMAS (project 2012-2148), Region Stockholm (Project 3567, “SUPFESHealth”), Stockholm University (SU), and XPRES (Initiative for Excellence in Production Research). Three anonymous major raw material producers are thanked for donating DWR formulations. The following individuals are gratefully acknowledged for their contributions to this work: Kjell Jansson (SU), for support with SEM; Nils Walberg (SU) for design and construction of fabrics holders; Oscar Levenstam for support with fabric treatment; Anton Ribbenstedt for statistical assistance; Hanna Holmquist for discussions surrounding the weathering scenario. Moreover, colleagues at RISE IVF are thanked for valuable input during the preparation of this manuscript.

Tillgänglig från: 2022-03-25 Skapad: 2022-03-25 Senast uppdaterad: 2023-06-08Bibliografiskt granskad

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Schellenberger, Steffen

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