DRYING AGENT

PURPOSE:To obtain a general-purpose drying agent wherein the high dehumidifying capacity is exhibited and the leak of a deliquescent soln. is not caused toward the outside by packaging a deliquescent dehumidifying agent with a composite material which is laminated with a reinforced sheet on a finely...

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Bibliographische Detailangaben
Hauptverfasser:	SUMIURA TOSHIO, KURITA ICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a general-purpose drying agent wherein the high dehumidifying capacity is exhibited and the leak of a deliquescent soln. is not caused toward the outside by packaging a deliquescent dehumidifying agent with a composite material which is laminated with a reinforced sheet on a finely porous thermoplastic resin wherein the deliquescent soln. is leaked and it has the air permeability. CONSTITUTION:A finely porous sheet is obtained by containing an inorganic filler such as CaCO3 in a thermoplastic resin such as polypropylene, molding the mixture into a sheet-shape and thereafter stretching it. A composite material is produced by laminating a reinforced sheet such as a network material made of polypropylene which is more porous and larger in the strength than the above-mentioned sheet thereon. A deliquescent dehumidifying agent such as CaCl2 is packaged by using this composite material and heat-sealed to obtain the drying agent.