CPC F16L 59/065 (2013.01) [F25D 23/063 (2013.01); F25D 23/066 (2013.01); F25D 2201/14 (2013.01)] | 20 Claims |
1. A method for preparing a vacuum insulated panel comprising:
forming an internal cavity between a liner and a wrapper; and
preparing filler material to be disposed in the internal cavity, wherein the filler material comprises a first part and a second part, and preparing the filler material comprises:
coating a surface of the first part with a chemical comprising a first charge, wherein the coating forms a first surface charge on the surface of the first part; and
mixing the first part with the second part forming the filler material, wherein the second part comprises a material having a second surface charge opposite the first surface charge.
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