METHOD FOR MANUFACTURING ELECTRET FILTER MEDIUM

PROBLEM TO BE SOLVED: To provide a method for manufacturing an electret filter medium that is highly made to be electret.SOLUTION: A method for manufacturing an electret filter medium includes: bringing aqueous solution containing a metal oxide sol of 1 to 10,000 ppm into contact with a porous diele...

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1. Verfasser:	MASUMORI TADAO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing an electret filter medium that is highly made to be electret.SOLUTION: A method for manufacturing an electret filter medium includes: bringing aqueous solution containing a metal oxide sol of 1 to 10,000 ppm into contact with a porous dielectric sheet with sufficient pressure to cause the aqueous solution to pass through the porous dielectric sheet; and drying the porous dielectric sheet.SELECTED DRAWING: None 【課題】高度にエレクトレット化されたエレクトレット濾材の製造方法を提供する。【解決手段】本発明のエレクトレット濾材の製造方法は、多孔性誘電体シートに、金属酸化物ゾルを１〜１００００ｐｐｍ含有する水溶液を、該水溶液が多孔性誘電体シート内を通過するのに十分な圧力で接触させ、次いで前記多孔性誘電体シートを乾燥する。【選択図】なし