Disclosed is a process for preparing an antimicrobial article, wherein a silver colloid is formed in situ as a result of the components employed. The process comprises the steps of (i) providing a liquid, which contains a soluble polar polymer in a solvent selected from certain polar organic solvents; (ii) adding a silver salt selected from alpha-functionalized silver carboxylates to said liquid; (iii) allowing the mixture to react with formation of a silver colloid; and (iv) separating the solvent from the mixture and forming of the antimicrobial article. The antimicrobial articles thus obtained may be sheets, films, fibres, coating layers, and especially membranes like a semipermeable membrane for ultrafiltration, water separation or gas separation.
揭示了一种制备抗菌物品的过程,其中由于所使用的成分,在现场形成了一种
银胶体。该过程包括以下步骤:(i)提供一种液体,其中含有在某些极性有机溶剂中选择的可溶性极性聚合物;(ii)向该液体中加入选择自α-功能化
银羧酸盐的
银盐;(iii)允许混合物反应形成
银胶体;和(iv)分离溶剂并形成抗菌物品。因此获得的抗菌物品可以是片材、薄膜、纤维、涂层层,尤其是像超滤、
水分离或气体分离的半透膜等膜。