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US 11,912,610 B2Granted
Coating composition having infrared reflective function, coating glass and method for preparation thereof, and cooking appliance using same
AssigneesLG Electronics Inc., Kongju National University Industry-University Cooperation Foundation
InventorsTaeho Kim, Dongwan Seo, Yongsoo Lee, Taehee Kim, Ju Hyeong Kim, Woon-Jin Chung, Hansol Lee, In-Gun Kim
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Abstract
A coating composition, coating glass and a method for preparation thereof, and a cooking appliance including the coating class are described. The coating composition includes a coating material and a heat conductive oxide nano powder that is 5 to 10 wt % with respect to a weight of the coating material. The coating composition provides an excellent infrared reflective function, a high transmittance, and an excellent cleaning performance.
Claims7
A cooking appliance, comprising:
- a cooking chamber;
- a door configured to open and close the cooking chamber, the door comprising a door glass;
- a coating layer disposed at least one surface of the door glass and made of a coating composition, the coating composition comprising a coating material and a heat conductive oxide nano powder that is 5 to 10 wt % with respect to a weight of the coating material,
- wherein the coating material comprises:
- 20 to 40 wt % of phosphorus pentoxide (P2O5),
- 17 to 29.5 wt % of aluminum oxide (Al2O3),
- 0.5 to 3 wt % of zirconium dioxide (ZrO2),
- 10 to 30 wt % of sodium oxide (Na2O) and potassium oxide (K2O),
- 10 to 25 wt % of boron trioxide (B2O3), and
- 10 to 15 wt % of zinc oxide (ZnO).
7 more elements
Dependencies are inferred from the claim text.