URETHANE AND REFRIGERATOR COMPRISING SAME

Disclosed are a urethane having improved thermal insulation performance by lowering thermal conductivity of the urethane and a refrigerator comprising the same. The urethane may comprise: a plurality of closed cells containing inside gas; a plurality of open cells connected to outside air; and cell...

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Bibliographische Detailangaben
Hauptverfasser:	LIM, Jungsoo, JUNG, Mingyu, KOH, Youngdeog, PARK, Jongsung, KIM, Jungchul
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BLASTING CHEMISTRY COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COMPOSITIONS BASED THEREON COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS GENERAL PROCESSES OF COMPOUNDING HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS REFRIGERATION OR COOLING REFRIGERATORS THEIR PREPARATION OR CHEMICAL WORKING-UP WEAPONS WORKING-UP
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Beschreibung
Zusammenfassung:	Disclosed are a urethane having improved thermal insulation performance by lowering thermal conductivity of the urethane and a refrigerator comprising the same. The urethane may comprise: a plurality of closed cells containing inside gas; a plurality of open cells connected to outside air; and cell walls disposed between at least one of the plurality of closed cells and at least one of the plurality of open cells or between the plurality of closed cells to connect the at least one of the plurality of closed cells with the at least one of the plurality of open cells or to connect the plurality of closed cells. Diameters of a closed cell of the plurality of closed cells and an open cell of the plurality of open cells may be about 100 to 200 μm.