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Antimicrobial Functionalization of Textile Materials with Copper Silicate

机译：硅酸铜对纺织材料的抗菌功能化

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摘要

A biofunctionalization of nonwoven fabrics was carried out with 0.1 - 4 wt.% of copper silicate. Polypropylene (PP), polyethylene (PE) and biodegradable polymers [poly(lactic acid) (PLA), polyhydroxyalkanoates (PHA)] or their mixtures were used as polymer components. Mostly liquid oligomers of ethylene glycol (PEG) or copolymers of ethylene oxide and propylene oxide (2.5 - 5 wt. %) were applied as plasticizers. New composite nonwovens containing CuSiO3 were prepared by the melt-blown technique [1]. They showed very good antibacterial and antifungal properties against colonies of gram-negative bacteria (Escherichia coli), gram-positive bacteria (Staphylococcus aureus) and a yeast fungus (Candida albicans). Nonwovens containing >= 0.5 wt.% of CuSiO3 can be used, e.g. as hygienic and bioactive filter materials in air-conditioning systems. The application of PLA and PHA affects the ability of these hybrid nonwovens to biologically decompose. DSC analysis indicated that the incorporation of additives in PLA and PP nonwovens significantly affected their melting and crystallization processes.
机译：用0.1-4重量％的硅酸铜对非织造织物进行生物功能化。聚丙烯（PP），聚乙烯（PE）和可生物降解的聚合物[聚乳酸（PLA），聚羟基链烷酸酯（PHA）]或它们的混合物用作聚合物组分。通常将乙二醇（PEG）的液态低聚物或环氧乙烷与环氧丙烷的共聚物（2.5-5重量％）用作增塑剂。通过熔喷技术制备了含有CuSiO3的新型复合无纺布[1]。它们对革兰氏阴性菌（大肠杆菌），革兰氏阳性菌（金黄色葡萄球菌）和酵母菌（白色念珠菌）的菌落显示出非常好的抗菌和抗真菌特性。可以使用包含≥0.5重量％的CuSiO 3的非织造材料，例如。作为空调系统中的卫生和生物活性过滤材料。 PLA和PHA的应用会影响这些杂化非织造布生物降解的能力。 DSC分析表明，在PLA和PP无纺布中掺入添加剂会显着影响其熔融和结晶过程。

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