Vacuum insulating panel, especially for refrigerators, has a microporous core encased in a 7-layer plastic foil with a polyolefin sealing layer, a gas barrier, a polyolefin layer and a metallised polymer layer

摘要

Vacuum insulating panels (VIP) with a microporous core encased in a 7-layer plastic foil comprising a polyolefin heat-sealing layer (I), a gas barrier (III), polyolefin (IV) and a layer (V) of polyester, polyamide and/or polypropylene coated with vapour-deposited aluminium, SiOx or a Main Group 2 or 3 metal oxide, plus adhesive interlayers (II). An Independent claim is also included for plastic foil as described above.