Production method of resin porous material

Provided is a method that can produce a resin porous material from a water-insoluble polymer in a small number of steps while suppressing the formation of skin layers. The production method of the resin porous material disclosed herein includes preparing a solution of a water-insoluble polymer in a...

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Bibliographische Detailangaben
Hauptverfasser:	Minakuchi, Akio, Matsunobu, Kohei
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is a method that can produce a resin porous material from a water-insoluble polymer in a small number of steps while suppressing the formation of skin layers. The production method of the resin porous material disclosed herein includes preparing a solution of a water-insoluble polymer in a mixed solvent including a good solvent of the water-insoluble polymer and a first poor solvent of the water-insoluble polymer, and vaporizing and removing the mixed solvent from the solution. The first poor solvent has a higher boiling point than the good solvent. In vaporizing and removing the mixed solvent, the mixed solvent is vaporized and removed under the presence of vapor of a second poor solvent of the water-insoluble polymer to form pores and obtain a porous material.