EXPANDABLE POLYMERIC BEADS AND THEIR PRODUCTION

摘要

The present invention concerns antimicrobial expandable polystyrene (EPS) beads, comprising as main antimicrobial agent metal ions selected from silver and copper and combinations thereof, which antimicrobial agent(s) may be either mixed into the polymer matrix or coated onto the beads. The invention also concerns a method for producing the coated form of these antimicrobial beads.