Coating composition having high light transmittance, coating glass and method for preparation thereof, and cooking appliance using same
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United States of America
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Dec 10, 2024
Grant Date -
Jan 14, 2021
app pub date -
Jul 10, 2020
filing date -
Jul 10, 2020
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Abstract
A cooking appliance includes a cooking chamber, a door that is configured to open and close the cooking chamber and has a door glass, a coating layer that is disposed at least one surface of the door glass and made of a coating composition. The coating composition includes 20 to 40 wt % of phosphorus pentoxide (P2O5), 15 to 30 wt % of aluminum oxide (Al2O3) and 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).
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