Abstract

Sulfonic acid (SO 3H) groups were appended to three nonwoven fabrics made of polyethylene (PE), polypropylene (PP), and a hybrid of PP and PE by radiation-induced graft polymerization of glycidyl methacrylate (GMA) and subsequent ring-opening with sodium sulfite. Silver ion was loaded onto the resultant SO 3H-type cation-exchange nonwoven fabric at a density of 2.0 mmol g −1, where the molar ratio of Ag ions to SO 3H groups was unity.

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