MANUFACTURING METHOD OF MELT-BLOWN ELECTRET NONWOVEN FABRIC HAVING IMPROVED FLAME RETARDANT PROPERTY AND TEMPERATURE RESISTANCE BY USING METAL MATERIAL

摘要

PURPOSE: A manufacturing method of melt-blown electret nonwoven fabric having improved flame retardant property and temperature resistance is provided to restrain the filtering efficiency reduction of contaminant particle by the drastic change of environment.;CONSTITUTION: A manufacturing method of melt-blown electret nonwoven fabric having improved flame retardant property and temperature resistance comprises: a step of mixing N-alkoxy hindered amine compound containing the compound in the following chemical formula, and inorganic particle of inorganic oxide, with a nonconductive thermoplastic resin; a step of extruding and emitting the mixed resin manufactured from the previous step by meltblown method, and then staticizing.;COPYRIGHT KIPO 2012