Biocidal films via controlled release chemistry

摘要

Chlorine dioxide is a powerful, gaseous biocide that so disrupts the cellular components that the development of a natural resistance over time, typical in the case of manh other biocides, is quite unlikely. Microcapsules containing sodium chlorite, acid releasing copolymers, and various barrier polymers were the first solid release systems to show controlled chlorine dioxide release over periods from days to weeks. The unstable chlorous acid so formed disproportionates into the desired chlorine dioxide and small amounts of chlorine, and a chlorate and chloride salt.