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由聚乳酸和纳米银包覆二氧化钛制成的具有独特性能的金色闪亮生物复合纤维；抗菌、光催化和离子传感性能。

Golden Glittering Biocomposite Fibers from Poly(lactic acid) and Nanosilver-Coated Titanium Dioxide with Unique Properties; Antimicrobial, Photocatalytic, and Ion-Sensing Properties.

作者信息

Sukthavorn Kankavee, Nootsuwan Nollapan, Wuttisarn Ratthapit, Jongrungruangchok Suchada, Veranitisagul Chatchai, Laobuthee Apirat

机构信息

Department of Materials Engineering, Faculty of Engineering, Kasetsart University, Ladyao, Chatuchak, Bangkok 10900, Thailand.

Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Rangsit University, Pathumthani 12000, Thailand.

出版信息

ACS Omega. 2021 Jun 17;6(25):16307-16315. doi: 10.1021/acsomega.1c00657. eCollection 2021 Jun 29.

DOI:10.1021/acsomega.1c00657
PMID:34235301
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8246455/
Abstract

Golden glittering biocomposite fibers from poly(lactic acid) (PLA) and nanosilver-coated titanium dioxide (Ag/TiO) were successfully prepared a melt spinning process. Various contents of 10% Ag/TiO/PLA masterbatch were diluted with PLA in concentrations of 5, 10, 15, 20, 25, and 30 phr, respectively. The physical, mechanical, thermal, and antibacterial properties of the obtained fibers were investigated. The results indicated that the glittering biocomposite fiber had a light, yellow-gold color and a slightly rough surface. Tenacity and elongation at break of the glittering biocomposite fibers were lower than those of the pristine PLA fiber. The thermal properties of the glittering composite fibers also decreased with increasing masterbatch content. The PLA/PEG-10 biocomposite fiber with good spinnability and mechanical properties was suitably used for preparing the golden glittering composite fabric by the knitting process. Moreover, the golden glittering biocomposite fabrics exhibited antibacterial activity against certain microbes, for example, , and . The prepared fabric has significant potential for use in eco-friendly textile products and antibacterial fabrics. Besides, our novel textiles showed not only the photocatalytic property needed to degrade organic dyes such as methylene blue in water but also the ion-sensing property for mercury(II) ions by changing the textile color from yellow to colorless.

摘要

通过熔融纺丝工艺成功制备了由聚乳酸（PLA）和纳米银包覆二氧化钛（Ag/TiO₂）组成的金色闪亮生物复合纤维。将各种含量为10%的Ag/TiO₂/PLA母粒分别以5、10、15、20、25和30 phr的浓度用PLA稀释。对所得纤维的物理、机械、热学和抗菌性能进行了研究。结果表明，这种闪亮的生物复合纤维呈浅金黄色，表面略显粗糙。闪亮生物复合纤维的强度和断裂伸长率低于原始PLA纤维。闪亮复合纤维的热性能也随着母粒含量的增加而降低。具有良好可纺性和机械性能的PLA/PEG-10生物复合纤维适合通过针织工艺制备金色闪亮复合织物。此外，金色闪亮生物复合织物对某些微生物具有抗菌活性，例如， 、 和 。所制备的织物在环保纺织产品和抗菌织物方面具有巨大的应用潜力。此外，我们的新型纺织品不仅具有降解水中亚甲基蓝等有机染料所需的光催化性能，还具有通过将织物颜色从黄色变为无色来检测汞（II）离子的离子传感性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/24a37c1eb77a/ao1c00657_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/5cfbe1568db7/ao1c00657_0002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/6500e387e788/ao1c00657_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/24a37c1eb77a/ao1c00657_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/5cfbe1568db7/ao1c00657_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/a9fcf6a6fd2a/ao1c00657_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/acfdc38b6868/ao1c00657_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/2b9c58a73c1e/ao1c00657_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/4b14e4490ee4/ao1c00657_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/4c4b0b439e27/ao1c00657_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/6500e387e788/ao1c00657_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21a3/8246455/24a37c1eb77a/ao1c00657_0009.jpg

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