Preparation and antibacterial properties of polypropylene composite with bisphenol A-type benzoxazine.

Preparation and antibacterial properties of polypropylene composite with bisphenol A-type benzoxazine. | 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 Preparation and antibacterial properties of polypropylene composite with bisphenol A-type benzoxazine. Xiaoyu Shang, Changlu Zhou, Xian Zhang, Zhong Xin This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3909868/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 01 Jun, 2024 Read the published version in Journal of Polymer Research → Version 1 posted 4 You are reading this latest preprint version Abstract Polypropylene (PP) is a commonly used material in medical supplies. However, its lack of antibacterial properties has led to a frequent occurrence of healthcare-associated infections that need to be addressed. This study extensively investigates the antibacterial effects of bisphenol A-type benzoxazine (BA-a), revealing a relationship between the curing degree of BA-a and its antibacterial performance. A lower degree of curing corresponds to stronger antibacterial activity. Based on this relationship, a melt blending method at 170°C is determined to prepare PP/BA-a composite material, aiming to enhance the antibacterial properties. The antibacterial performance of PP/BA-a is evaluated by plate coating method. The results demonstrate that PP/0.8BA-a exhibits an antibacterial rate as high as 99.99% against E. coli and S. aureus. Migration experiments confirm the stability of the antibacterial effect. The extracts from PP/BA-a show no toxicity towards mouse fibroblast cells (L929). Furthermore, compared to pure PP, the addition of BA-a improves the thermal stability of PP/BA-a, with an increase of 56°C in the onset thermal decomposition temperature (T 5% ), enabling PP to better adapt to the high-temperature environment of moist heat sterilization. This study presents a novel method for obtaining highly antibacterial medical polymer materials (PP/BA-a) with broad application prospects. Polypropylene (PP) bisphenol A-type benzoxazine antibacterial properties melt blending Full Text Cite Share Download PDF Status: Published Journal Publication published 01 Jun, 2024 Read the published version in Journal of Polymer Research → Version 1 posted Reviewers agreed at journal 06 Feb, 2024 Reviewers invited by journal 06 Feb, 2024 Editor invited by journal 31 Jan, 2024 First submitted to journal 28 Jan, 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. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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However, its lack of antibacterial properties has led to a frequent occurrence of healthcare-associated infections that need to be addressed. This study extensively investigates the antibacterial effects of bisphenol A-type benzoxazine (BA-a), revealing a relationship between the curing degree of BA-a and its antibacterial performance. A lower degree of curing corresponds to stronger antibacterial activity. Based on this relationship, a melt blending method at 170\u0026deg;C is determined to prepare PP/BA-a composite material, aiming to enhance the antibacterial properties. The antibacterial performance of PP/BA-a is evaluated by plate coating method. The results demonstrate that PP/0.8BA-a exhibits an antibacterial rate as high as 99.99% against E. coli and S. aureus. Migration experiments confirm the stability of the antibacterial effect. The extracts from PP/BA-a show no toxicity towards mouse fibroblast cells (L929). Furthermore, compared to pure PP, the addition of BA-a improves the thermal stability of PP/BA-a, with an increase of 56\u0026deg;C in the onset thermal decomposition temperature (T\u003csub\u003e5%\u003c/sub\u003e), enabling PP to better adapt to the high-temperature environment of moist heat sterilization. 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