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首页> 外文期刊>Fibres & textiles in Eastern Europe >Modelling the Viability of Microorganisms of Poly(lactic Acid) Melt-Blown Nonwoven Fabrics for the Use of Respiratory Protection
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Modelling the Viability of Microorganisms of Poly(lactic Acid) Melt-Blown Nonwoven Fabrics for the Use of Respiratory Protection

机译：模拟用于呼吸防护的聚乳酸熔喷非织造布微生物的生存能力

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摘要

A variety of harmful microorganisms deposited in the work environment is the reason why it is becoming more and more common to use filtering respiratory protection equipment. To fulfil its protective role against biological hazards, it should not only ensure high efficiency of filtration but also present biocidal properties. Due to the fact that in laboratory studies confirming the biocidal properties of equipment it is possible to use only a limited number of testing organisms, using microbiological prognosis models seems a promising direction. The article presents a method for assessing the performance of filter materials with biocidal properties using a simple model describing the dependence of the viability of Gram - positive and Gram - negative bacteria in the biocidal structure of the material. A comparison of the results of theoretical predictions and experimental results confirmed that the model can be used as a tool for the approximate evaluation of the properties of these materials. Poly(lactic acid) (PLA) was used when validating the model melt-blown nonwovens for the construction of respiratory protection devices (RPD) against biological hazards.
机译：工作环境中沉积的各种有害微生物是使用过滤式呼吸防护设备变得越来越普遍的原因。为了履行其对生物危害的保护作用，它不仅应确保高效过滤，而且还应具有杀生物特性。由于在实验室研究中确认了设备的杀生物特性，因此只能使用有限数量的测试生物，使用微生物预测模型似乎是一个有前途的方向。本文介绍了一种使用简单模型评估具有杀生物特性的过滤材料性能的方法，该模型描述了革兰氏阳性细菌和革兰氏阴性细菌生存力在材料杀生物结构中的依赖性。理论预测结果和实验结果的比较证实，该模型可以用作近似评估这些材料性能的工具。在验证模型熔喷非织造布用于构建针对生物危害的呼吸保护装置（RPD）时，使用了聚乳酸（PLA）。

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