a polymer that contains an antimicrobial , bioresistant and fungal resistant moiety that is linked into the backbone of the polymer . the moiety is a bromine atom and a nitro group linked to one or more of the carbon atoms forming the backbone . the moiety can appear in the polymer chain in various levels of occurrence from 5 ppm to has high as 100 % with a normal occurrence of between 1000 ppm to 20 , 000 ppm . polymer types that can be created with this moiety to display these properties include , but are not limited to , polyurethane , polyurea , polyamide , polyester , polycarbonate , polyether , polysiloxane , epoxy , polyacrylic , polyacrylate , polyvinyl .