CPC C04B 38/009 (2013.01) [C03C 17/001 (2013.01); C03C 17/25 (2013.01); C04B 14/24 (2013.01); C04B 20/1033 (2013.01); C04B 20/1037 (2013.01); C04B 20/104 (2013.01); C04B 20/1048 (2013.01); C04B 26/02 (2013.01); C04B 26/04 (2013.01); C04B 26/06 (2013.01); C04B 26/24 (2013.01); C04B 28/24 (2013.01); C04B 28/26 (2013.01); C04B 30/02 (2013.01); C04B 38/08 (2013.01); F16L 59/028 (2013.01); F16L 59/029 (2013.01); C03C 2218/111 (2013.01); C04B 2111/28 (2013.01); C04B 2201/30 (2013.01); F25D 23/06 (2013.01); F25D 2201/14 (2013.01); Y02W 30/91 (2015.05)] | 20 Claims |
1. An insulated structure for an appliance, the insulated structure comprising:
an inner liner and an outer wrapper that are attached together to define an insulating cavity therein;
a plurality of glass spheres disposed within the insulating cavity, the plurality of glass spheres defining interstitial spaces therebetween;
a coating material disposed at least partially on outer surfaces of the plurality of glass spheres, wherein the plurality of glass spheres and the coating material define an adhering base material; and
a silica-based material disposed on at least a portion of the adhering base material, wherein the coating material and the silica-based material occupy substantially all of an interstitial volume defined by the interstitial spaces.
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