{"title":"一种姜黄素量子点混合聚丙烯腈电纺纳米纤维涂层,用于提高 316 L SS 在海洋环境中的耐腐蚀性†。","authors":"Iffath Badsha, Renjith Kumar Rasal, Wirach Taweepreda, Arthanareeswaran Gangasalam and Devasena Thiyagarajan","doi":"10.1039/D4RA05075D","DOIUrl":null,"url":null,"abstract":"<p >Corrosion of 316 L SS is a significant global concern and recently polymeric nanofibers have been gaining attention for their potential in enhancing the corrosion resistance of metals. In this work, an electrospinning technique was deployed for the deposition of a curcumin quantum dot (CMQD) blended polyacrylonitrile (PAN) nanofibrous anticorrosive coating on 316 L SS. The optimized PAN-CMQD coated samples obtained from the weight loss studies were examined to assess their corrosion inhibition characteristics in 3.5 wt% NaCl electrolyte as the corrosion environment using potentiodynamic polarization and electrochemical impedance spectroscopy. The PAN-CMQD coated samples showed two-order reduction in <em>I</em><small><sub>corr</sub></small> compared to the uncoated 316 L SS. The results of the long-term analysis for 30 days revealed no significant changes in <em>I</em><small><sub>corr</sub></small> and <em>E</em><small><sub>corr</sub></small> values and no pit formation for PAN-CMQD coated samples, proving the longevity of the coating. Thus, this work will serve as a cost-effective futuristic strategy for the large-scale development of anticorrosive nanofibrous coatings for enhancing the corrosion resistance behavior of metals and alloys in various industrial sectors.</p>","PeriodicalId":102,"journal":{"name":"RSC Advances","volume":null,"pages":null},"PeriodicalIF":3.9000,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/ra/d4ra05075d?page=search","citationCount":"0","resultStr":"{\"title\":\"A curcumin quantum dot blended polyacrylonitrile electrospun nanofiber coating on 316 L SS for improved corrosion resistance in the marine environment†\",\"authors\":\"Iffath Badsha, Renjith Kumar Rasal, Wirach Taweepreda, Arthanareeswaran Gangasalam and Devasena Thiyagarajan\",\"doi\":\"10.1039/D4RA05075D\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Corrosion of 316 L SS is a significant global concern and recently polymeric nanofibers have been gaining attention for their potential in enhancing the corrosion resistance of metals. In this work, an electrospinning technique was deployed for the deposition of a curcumin quantum dot (CMQD) blended polyacrylonitrile (PAN) nanofibrous anticorrosive coating on 316 L SS. The optimized PAN-CMQD coated samples obtained from the weight loss studies were examined to assess their corrosion inhibition characteristics in 3.5 wt% NaCl electrolyte as the corrosion environment using potentiodynamic polarization and electrochemical impedance spectroscopy. The PAN-CMQD coated samples showed two-order reduction in <em>I</em><small><sub>corr</sub></small> compared to the uncoated 316 L SS. The results of the long-term analysis for 30 days revealed no significant changes in <em>I</em><small><sub>corr</sub></small> and <em>E</em><small><sub>corr</sub></small> values and no pit formation for PAN-CMQD coated samples, proving the longevity of the coating. Thus, this work will serve as a cost-effective futuristic strategy for the large-scale development of anticorrosive nanofibrous coatings for enhancing the corrosion resistance behavior of metals and alloys in various industrial sectors.</p>\",\"PeriodicalId\":102,\"journal\":{\"name\":\"RSC Advances\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":3.9000,\"publicationDate\":\"2024-10-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://pubs.rsc.org/en/content/articlepdf/2024/ra/d4ra05075d?page=search\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"RSC Advances\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.rsc.org/en/content/articlelanding/2024/ra/d4ra05075d\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"RSC Advances","FirstCategoryId":"92","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2024/ra/d4ra05075d","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
摘要
316 L SS 的腐蚀是全球关注的一个重要问题,最近,聚合物纳米纤维在增强金属抗腐蚀性能方面的潜力日益受到关注。本研究采用电纺丝技术在 316 L SS 上沉积姜黄素量子点(CMQD)混合聚丙烯腈(PAN)纳米纤维防腐涂层。在 3.5 wt% 的氯化钠电解液作为腐蚀环境下,使用电位极化和电化学阻抗光谱法检测了失重研究中获得的优化 PAN-CMQD 涂层样品,以评估其缓蚀特性。与未涂覆的 316 L SS 相比,涂覆了 PAN-CMQD 的样品的 Icorr 降低了两个等级。30 天的长期分析结果表明,PAN-CMQD 涂层样品的 Icorr 和 Ecorr 值没有明显变化,也没有凹坑形成,这证明了涂层的使用寿命。因此,这项工作将作为一种具有成本效益的未来战略,用于大规模开发防腐纳米纤维涂层,以增强各工业部门中金属和合金的耐腐蚀性能。
A curcumin quantum dot blended polyacrylonitrile electrospun nanofiber coating on 316 L SS for improved corrosion resistance in the marine environment†
Corrosion of 316 L SS is a significant global concern and recently polymeric nanofibers have been gaining attention for their potential in enhancing the corrosion resistance of metals. In this work, an electrospinning technique was deployed for the deposition of a curcumin quantum dot (CMQD) blended polyacrylonitrile (PAN) nanofibrous anticorrosive coating on 316 L SS. The optimized PAN-CMQD coated samples obtained from the weight loss studies were examined to assess their corrosion inhibition characteristics in 3.5 wt% NaCl electrolyte as the corrosion environment using potentiodynamic polarization and electrochemical impedance spectroscopy. The PAN-CMQD coated samples showed two-order reduction in Icorr compared to the uncoated 316 L SS. The results of the long-term analysis for 30 days revealed no significant changes in Icorr and Ecorr values and no pit formation for PAN-CMQD coated samples, proving the longevity of the coating. Thus, this work will serve as a cost-effective futuristic strategy for the large-scale development of anticorrosive nanofibrous coatings for enhancing the corrosion resistance behavior of metals and alloys in various industrial sectors.
期刊介绍:
An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.