METHOD FOR PRODUCING COMPOSITION FOR FORMING GAS SEPARATION MEMBRANE ACTIVE LAYER, COMPOSITION FOR FORMING GAS SEPARATION MEMBRANE ACTIVE LAYER PRODUCED BY SAME, METHOD FOR MANUFACTURING GAS SEPARATION MEMBRANE, AND GAS SEPARATION MEMBRANE

METHOD FOR PRODUCING COMPOSITION FOR FORMING GAS SEPARATION MEMBRANE ACTIVE LAYER, COMPOSITION FOR FORMING GAS SEPARATION MEMBRANE ACTIVE LAYER PRODUCED BY SAME, METHOD FOR MANUFACTURING GAS SEPARATION MEMBRANE, AND GAS SEPARATION MEMBRANE

The present specification relates to a method for producing a composition for forming a gas separation membrane active layer, the method including: obtaining a first reactant by allowing a cellulose-based compound and an acid substituted with fluorine to react; and adding dropwise an acid anhydride...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE, Byoungsoo, SHIN, Chong Kyu, BANG, Sora
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The present specification relates to a method for producing a composition for forming a gas separation membrane active layer, the method including: obtaining a first reactant by allowing a cellulose-based compound and an acid substituted with fluorine to react; and adding dropwise an acid anhydride substituted with fluorine to the first reactant at a temperature higher than room temperature, and a composition for forming a gas separation membrane active layer.