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微波辅助快速制备纳米氧化锌/银复合功能化聚酯非织造膜以改善其紫外线屏蔽和抗菌性能

Microwave-Assisted Rapid Preparation of Nano-ZnO/Ag Composite Functionalized Polyester Nonwoven Membrane for Improving Its UV Shielding and Antibacterial Properties.

作者信息

Shao Dongfeng, Wei Qufu

机构信息

Changzhou Vocational Institute of Textile and Garment, Changzhou 213164, China.

Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China.

出版信息

Materials (Basel). 2018 Aug 11;11(8):1412. doi: 10.3390/ma11081412.

DOI:10.3390/ma11081412
PMID:30103520
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6119916/
Abstract

The cost and efficiency of preparing ZnO/Ag composite functional polyester membrane affect their application, for which a rapid microwave-assisted method was studied for coating ZnO/Ag composite nanoparticles on polyester nonwoven. The surface morphology, crystalline structure, and surface chemistry of the uncoated and coated polyester nonwoven was investigated by X-ray diffractometer (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), energy-dispersive spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), and thermogravimetric (TG), respectively. Washing stability, ultraviolet properties, and antibacterial properties of before and after treatment polyester nonwoven were also investigated. The results indicated that Ag/ZnO composite nanoparticles were successfully deposited on polyester nonwoven surface. The amount of silver nitrate added in reaction has an important effect on the morphology and structure of Ag/ZnO composite on the surface of polyester fiber. The washing experiment results show that the ZnO/Ag composite functional polyester nonwoven fabric prepared by this method exhibits good washing durability after 90 min of washing. The results of UV transmission analysis showed that polyester nonwoven has an obvious increase in ultraviolet resistant properties after Ag/ZnO composite coating. When 0.2 g of silver nitrate was added into 100 mL of the reaction solution, the mean ultraviolet protection factor (UPF) of the treated polyester nonwoven reached a maximum of 219.8. The antibacterial results showed that the coated nonwoven against and was about 94.5% and 96.6%, respectively, showing very good antibacterial properties.

摘要

制备ZnO/Ag复合功能聚酯膜的成本和效率影响其应用，为此研究了一种快速微波辅助方法，用于在聚酯无纺布上包覆ZnO/Ag复合纳米颗粒。分别通过X射线衍射仪（XRD）、扫描电子显微镜（SEM）、傅里叶变换红外光谱（FT-IR）、能谱仪（EDS）、X射线光电子能谱（XPS）和热重分析仪（TG）对未包覆和包覆后的聚酯无纺布的表面形貌、晶体结构和表面化学进行了研究。还研究了处理前后聚酯无纺布的洗涤稳定性、紫外线性能和抗菌性能。结果表明，Ag/ZnO复合纳米颗粒成功沉积在聚酯无纺布表面。反应中硝酸银的添加量对聚酯纤维表面Ag/ZnO复合材料的形貌和结构有重要影响。洗涤实验结果表明，用该方法制备的ZnO/Ag复合功能聚酯无纺布在洗涤90分钟后具有良好的洗涤耐久性。紫外线透过率分析结果表明，Ag/ZnO复合涂层后聚酯无纺布的抗紫外线性能有明显提高。当在100 mL反应溶液中加入0.2 g硝酸银时，处理后的聚酯无纺布的平均紫外线防护系数（UPF）最高达到219.8。抗菌结果表明，包覆后的无纺布对大肠杆菌和金黄色葡萄球菌的抗菌率分别约为94.5%和96.6%，显示出非常好的抗菌性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddcb/6119916/4355baf17d45/materials-11-01412-g009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddcb/6119916/4355baf17d45/materials-11-01412-g009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddcb/6119916/4a3939cd1a4a/materials-11-01412-g004.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddcb/6119916/4355baf17d45/materials-11-01412-g009.jpg

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