SANDWICH STRUCTURE INCLUDING A VIP AND METHOD FOR PRODUCING THE SAME

The present invention relates to a process for the production of composite elements comprising a first and a second outer layer, a vacuum insulation panel between the two outer layers, rigid polyurethane foam in contact with the first outer layer and the underside of the vacuum insulation panel, and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KLASSEN, JOHANN, MOHMEYER, NILS, KROGMANN, JÖRG, ELBING, MARK, BOOS, JÜRGEN, FRICKE, MARC
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING BUILDING CEILINGS COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEAT PUMP SYSTEMS HEATING ICE-BOXES INSULATION OR OTHER PROTECTION OF BUILDINGS JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES REFRIGERATION OR COOLING REFRIGERATORS ROOFS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WALLS, e.g. PARTITIONS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the production of composite elements comprising a first and a second outer layer, a vacuum insulation panel between the two outer layers, rigid polyurethane foam in contact with the first outer layer and the underside of the vacuum insulation panel, and also rigid polyurethane foam in contact with the second outer layer and the upper side of the vacuum insulation panel, comprising application of a reaction mixture (R1) for the production of a rigid polyurethane foam onto the first outer layer, bringing the lower side of a vacuum insulation panel into contact with the unhardened reaction mixture (R1), application of a reaction mixture (R2) for the production of a rigid polyurethane foam to the upper side of the vacuum insulation panel, bringing the second outer layer into contact with the layer of the unhardened reaction mixture (R2), and finally hardening of the two rigid polyurethane foam systems (R1) and (R2) to give the composite element. The present invention further relates to composite elements thus obtainable, and also to the use of a composite element of the invention or of a composite element obtainable by a process of the invention, as component for refrigeration equipment or as construction material.