Refrigerator door seal, preparation method and application thereof

The invention relates to the field of high polymer materials, in particular to a refrigerator door seal, a preparation method and application thereof. The refrigerator door seal provided by the invention is prepared from a foamed PVC material. The refrigerator door seal provided by the invention acq...

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Bibliographische Detailangaben
Hauptverfasser:	SHU JIANQIANG, SHANG TIANMIAN, HIRATA RYUICHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BLASTING CHEMISTRY COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS GENERAL PROCESSES OF COMPOUNDING HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MAKING GRANULES OR PREFORMS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS REFRIGERATION OR COOLING REFRIGERATORS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to the field of high polymer materials, in particular to a refrigerator door seal, a preparation method and application thereof. The refrigerator door seal provided by the invention is prepared from a foamed PVC material. The refrigerator door seal provided by the invention acquires a proper foaming rate through control of the retention time and processing temperature during strip seal molding by an extruder, thus effectively saving social resources, reducing the cost, and obviously decreasing the thermal conductivity of strip seal. At the same time, the prepared material still has good mechanical properties. 本发明涉及高分子材料领域，特别是涉及种冰箱门封及其制备方法和用途。本发明提供种冰箱门封，由发泡PVC材料制备获得。本发明所提供的冰箱门封，在经押出机封条成型时，通过停留时间和加工温度控制获得了合适的发泡率，有效的节约社会资源、减少成本，并使封条的导热系数明显下降，同时，制备所获得材料依然具有良好的力学性能。