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In situ growth of biocidal AgCl crystals in the top layer of asymmetric polytriazole membranes

机译:原位生长在不对称的多唑膜顶层中的杀生物酰胺晶体的生长

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Scalable fabrication strategies to concentrate biocidal materials in only the surface of membranes are highly desirable. In this letter, tight-UF polytriazole membranes with a high concentration of biocide silver chloride (AgCl) crystals dispersed in only their top layer are presented. They were made following a simple dual-bath process that is compatible with current commercial membrane casting facilities. These membranes can achieve a 150-fold increase in their antimicrobial character compared to their silver-free counterpart. Moreover, fine-tuning of their properties is straightforward. A change in the silver concentration in one of the baths is sufficient to tune the permeance, molecular weight cut-off (MWCO) and silver loading of the final membrane.
机译:可缩放的制造策略在仅在膜的表面中浓缩杀生物材料是非常理想的。在这封信中,提出了具有高浓度杀菌剂酰氯(AgCl)晶体的紧密UF多唑膜,仅在其顶层中分散。它们是在一个简单的双浴过程之后进行的,与当前的商用膜铸造设施兼容。与无银对应物相比,这些膜可以达到其抗微生物特性的150倍。此外,它们的性质的微调很简单。其中一种浴中银浓度的变化足以调整最终膜的渗透,分子量截止(MWCO)和银载荷。

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