INSULATION PANELS

摘要

Vacuum insulation panels (VIPs), their manufacture and utilisation in insulation applications with the VIPs having an insulation panel core composition, comprising (a) 40 to 93 weight (wt) % of fumed silica, silica aerogel or a mixture thereof, (b) 5 to 50 wt % of particles having a specific surface area, determined by the BET method, of less than or equal to 100m2/g selected from clay, kaolin, metakaolin, talc fly ash, light weight aggregates, vermiculite, mica, ash, aluminium oxide, alumina trihydrate, waterproofing agents, wollastonite, calcium carbonate, titanium dioxide, metal oxides pigments, colorants, diatomaceous earth and resins, plastic hollow materials, glass and ceramic materials, calcium silicate hydrates, microspheres, volcano ash, shirasu balloons and zeolites, microsilica, geothermal silica, particulate silicon containing materials, aluminium powder, or any combination thereof, (c) 1 to 15 wt % of fibres, (d) 1 to 20 wt % of an opacifier, with the sum of the constituents (a) + (b) + (c) + (d) being 100 wt %.