Microplastic fibres from synthetic textiles: Environmental degradation and additive chemical content

被引：194

作者：

Sait, Shannen T. L. ^{[1
]}

Sorensen, Lisbet ^{[2
]}

Kubowicz, Stephan ^{[3
]}

Vike-Jonas, Kristine ^{[1
]}

Gonzalez, Susana, V ^{[1
]}

Asimakopoulos, Alexandros G. ^{[1
]}

Booth, Andy M. ^{[2
]}

机构：

[1] Norwegian Univ Sci & Technol NTNU, Dept Chem, NO-7491 Trondheim, Norway

[2] SINTEF Ocean, NO-7465 Trondheim, Norway

[3] SINTEF Ind, NO-0314 Oslo, Norway

来源：

ENVIRONMENTAL POLLUTION | 2021年 / 268卷

关键词：

Microplastic fibres; Synthetic textiles; Chemical additives; UV Degradation; Bisphenols; Benzophenones; Non-target screening; A DIGLYCIDYL ETHERS; HYDROXYBENZOIC ACID-ESTERS; BISPHENOL-A; HUMAN URINE; WATER; POLYACRYLONITRILE; TRICLOCARBAN; TRICLOSAN; PARABENS; RELEASE;

D O I：

10.1016/j.envpol.2020.115745

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Microplastic fibres (MPFs) often make up the largest fraction of microplastic pollution in aquatic environments, yet little is known about their degradative fate and persistence. This study investigates the environmentally relevant photodegradation of common MPFs: polyester (PET), polyamide (PA) and polyacrylonitrile (PAN), their respective additive chemical profile, together with their potential for additive leaching. MPFs were subject to ultraviolet (UV) exposure in seawater and freshwater media over 10 months. PET and PA MPFs showed significant fragmentation and surface changes following UV exposure, additionally PA showed evidence of chemical changes. PAN did not undergo significant photodegradation in the same exposure period. Chemicals tentatively identified in MPFs and aqueous leachates via nontarget gas chromatography-mass spectrometry include monomers, UV stabilisers and degradation products. Characterisation of several bisphenols (BPs) and benzophenones (BzPs) was performed via ultraperformance liquid chromatography tandem mass spectrometry. Bisphenol A, bisphenol S and benzophenone-3 were quantified in all MPFs and wool at concentrations between 4.3 and 501 ng/g, with wool displaying the highest sum concentration of BPs and BzPs at 863 and 27 ng/g, respectively. (C) 2020 The Author(s). Published by Elsevier Ltd.

引用

页数：10

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