Polymeric webs with nanoparticles

摘要

An expanded polymeric web includes between about 0.1 and about 70 weight percent of a compound comprising nanoparticles. The expanded polymeric web includes between about 30 and about 99.9 weight percent of a generally melt processable polymer. The web also includes between about 0.0 and about 50 weight percent of a compatibilizer. The expanded polymeric web has an air permeability that is greater than the air permeability of an expanded polymeric web of the melt processable polymer alone.