METHOF FOR PRODUCING MAGNESIUM SULFATE-BASED DESICCANT

The present invention is to provide a magnesium sulfate-based desiccant comprising powder composed of coated particles that contain a particle of magnesium sulfate represented by the chemical formula MgSO 4 ·nH 2 O (0 ‰¤ n ‰¤ 3) and a coating layer on the surface of the particle, wherein: (1) the co...

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Bibliographische Detailangaben
Hauptverfasser:	KONISHI, MASASHI, KAWAMOTO, ARIUMI, KOMETANI, MINORU, KONISHI, KOH, HITOMI, MASAHIRO, KAYAMA, KAZUHITO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention is to provide a magnesium sulfate-based desiccant comprising powder composed of coated particles that contain a particle of magnesium sulfate represented by the chemical formula MgSO 4 ·nH 2 O (0 ‰¤ n ‰¤ 3) and a coating layer on the surface of the particle, wherein: (1) the coating layer contains a coating material that is at least one of carboxylic acids and salts thereof; (2) the powder has an average particle diameter of 5 µm or less; and (3) a contact angle of water relative to the face formed with the powder is 20 degrees or more, and to a method for producing the same.