开发技术,为医疗一次性口罩提供抗菌性质
Kristina Dubinskaitė1, Vitalija Rubežienė1, Audronė Sankauskaitė1
1Department of Textile Technologies, Center for Physical Sciences and Technology, Demokratų Str. 53, LT-48485 Kaunas, Lithuania.
Polymers
|November 9, 2024
概括
这项研究使用抗菌添加剂增强了医疗口罩的透气性和抗菌性能. 一个含有化银的三层面罩显示出针对常见病原体的显著抗菌效率,符合I型标准.
科学领域:
- 材料科学 材料科学 材料科学
- 织工程 织工程 织工程
- 微生物学 微生物学
背景情况:
- 医疗一次性口罩对于预防传染病传播至关重要,特别是在COVID-19等大流行期间.
- 面具有效性的关键特性包括抗菌活性,效率,微生物纯度和透气性.
- 银 (Ag) 是用于织品的常见抗菌剂.
研究的目的:
- 评估抗微生物聚合物涂层对用于医疗口罩的无聚烯 (PP) 材料的透气性和抗菌活性的影响.
- 开发和测试一个包含抗菌添加剂的多层医疗口罩模型.
主要方法:
- 准备了四种带有三种抗微生物添加剂的粘合剂组合,并将它们应用于一层无布PP材料上.
- 评估了涂层材料的透气性和抗菌活性.
- 基于有希望的单层结果,构建了两层和三层医疗口罩模型.
- 测试了对E. Coli,K. Pneumoniae和S. Aureus的抗菌效率,并评估了微生物纯度.
主要成果:
- 聚烯酸粘合剂成分对材料的透气性影响最小.
- 化银配方表现出最强的抗微生物反应.
- 一个三层面罩模型,中间层含有化银,对三种测试的病原体显示出显著的抗菌效率.
- 开发的口罩模型符合EN 14863的I型要求,微生物纯度<3CFU/g.
结论:
- 抗微生物聚合物涂层可以提高医疗口罩的功能,而不会影响透气性.
- 化银是一种高效的抗微生物剂,用于医疗口罩应用.
- 开发的三层面罩模型提供了针对特定细菌病原体的强有力的保护,并符合医疗口罩的国际标准.
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