Free radical scavenging polylactic acid fibers: A study of melt spinning preparation, characterization, and properties

Free radical scavenging polylactic acid fibers: A study of melt spinning preparation, characterization, and properties | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Free radical scavenging polylactic acid fibers: A study of melt spinning preparation, characterization, and properties Chenghui Zheng, Huanling Wu, Qingqing Zhou, Lingfang Wang, Jingchun Lv, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4871844/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 14 Dec, 2024 Read the published version in Journal of Polymers and the Environment → Version 1 posted 11 You are reading this latest preprint version Abstract Polylactic acid (PLA) fibers have great potentials in textile fields with eco-friendship and low carbon emission. However, the poor ductility, inferior free radical scavenging effect, and moderate biodegradability make them challenging in qualified fibers. In this context, a series of PLA fibers with excellent free radical scavenging effect were prepared by melt spinning with PLA /poly (ethylene oxide) (PEO) /curcumin (CUR). The tenacity and free radical scavenging effect of the fiber with 12.0 wt. % PEO and 1.0 wt. % CUR were 3.14 CN dtex -1 , 96.2% respectively, compared with 2.24 CN dtex -1 , 2.9% for pure PLA fibers. X-ray diffraction analysis showed that CUR behaved as nucleating agent and accelerated the crystallization with elevated crystallinity. The synergistic action of PEO and CUR was found to have significant effects on the mechanical, thermal, crystalline, and free radical scavenging properties for the composite fibers. X-photoelectron spectroscopy analysis, morphological investigation, and disintegrability tests in soil demonstrated the homogenous, ductile, and excellent biodegradable behaviors of the as-prepared fibers. The sustainable advantages of the dope-dyed PLA fabrics were also evaluated. Polylactic acid Filament Curcumin Degradation Sustainability Full Text Additional Declarations No competing interests reported. Supplementary Files Supportinginformation.docx Cite Share Download PDF Status: Published Journal Publication published 14 Dec, 2024 Read the published version in Journal of Polymers and the Environment → Version 1 posted Editorial decision: Revision requested 28 Aug, 2024 Reviews received at journal 24 Aug, 2024 Reviews received at journal 18 Aug, 2024 Reviewers agreed at journal 15 Aug, 2024 Reviewers agreed at journal 15 Aug, 2024 Reviews received at journal 14 Aug, 2024 Reviewers agreed at journal 14 Aug, 2024 Reviewers invited by journal 14 Aug, 2024 Editor assigned by journal 07 Aug, 2024 Submission checks completed at journal 07 Aug, 2024 First submitted to journal 07 Aug, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4871844","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":346255631,"identity":"fb7e664b-a6c6-44c4-a712-4f79aa878425","order_by":0,"name":"Chenghui Zheng","email":"","orcid":"","institution":"Yancheng Institute of Technology","correspondingAuthor":false,"prefix":"","firstName":"Chenghui","middleName":"","lastName":"Zheng","suffix":""},{"id":346255632,"identity":"a2f4048d-aa69-4da1-9890-700bcfeed1ff","order_by":1,"name":"Huanling Wu","email":"","orcid":"","institution":"Yancheng Institute of 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