METHOD FOR PRODUCING LIQUID COMPOSITION

A method for producing a liquid composition formed of a phosphorescent material and an organic solvent includes the steps of: dissolving a phosphorescent material in an organic solvent to prepare a mixed liquid, and filtering the mixed liquid by a filtering device. The filtering device is a housing...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIDA, Sadamu, UEOKA, Takahiro, KAKIMOTO, Hidenobu, MIYAMOTO, Hisaaki, IWATA, Nobuchika
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for producing a liquid composition formed of a phosphorescent material and an organic solvent includes the steps of: dissolving a phosphorescent material in an organic solvent to prepare a mixed liquid, and filtering the mixed liquid by a filtering device. The filtering device is a housing or holder, a fluororesin membrane filter, and a filter support member. A material of a portion of the housing and holder in contact with the mixed liquid is a metal or a mixture of metal and at least one of glass, fluororesins, polyethylene not containing a phosphorus antioxidant, and polyethylene not containing an oxidized phosphorus antioxidant. A material of a portion of the filter support member in contact with the mixed liquid is at least one of metals, glass, fluororesins, polyethylene not containing a phosphorus antioxidant, and polyethylene not containing an oxidized phosphorus antioxidant.