Multifunctional polyethylene (PE)/polypropylene (PP) bicomponent fiber filter with anchored nanocrystalline MnO2 for effective air purification

A multifunctional composite filter combined with nanocrystalline MnO₂ and a PE/PP bicomponent fiber by introducing corona charge technology has been fabricated and exhibited excellent filtration, adsorption and catalytic abilities in air pollutant abatement.