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오경근,윤호규,최응수,윤재만,우제완 한국공업화학회 2001 한국공업화학회 연구논문 초록집 Vol.2001 No.-
The electrostatically charged non-woven filter media based on polypropylene resins were obtained by spray-spinning extrusion system equipped with corona discharging unit, and the effect of electrostatical characteristics on the nitration performance was investigated. And ESCD (effective surface charge density) of filter media was measured using vibrating electrode technique, it was showed the highest value at 200㎂ of corona current. As a result of measuring of filtration efficiency using niter tester, the electrostatically charged filter media showed excellent filtration efficiency compared with uncharged filter media. It resulted from the particle-collection ability came by the electric field of filter media. Throughout the experimental results, filtration efficiency was closely dependent upon ESCD of filter media and, it will be highly effective filter media for air purification systems.