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US 12,630,741 B2Granted
Black coating composition having high heat resistance, manufacturing method thereof and home appliances using the same
AssigneeLG Electronics Inc.
InventorsSoyoon Kim, Juwon Kim, Hyunwoo Jun, Jaekyung Yang, Dong Jin Kim, Yongsoo Lee
Life of this patent
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Abstract
A coating composition has heat resistance, transparency, and high hardness. The coating composition is configured to be applied to a stainless steel material. The coating composition includes a polysilazane, a solvent, a dark pigment and a dispersant. A home appliance includes a base including a stainless steel material and a coating layer disposed on the base. The coating layer includes the coating composition.
Claims10
A coating composition comprising:
- 1 to 20 wt % of a polysilazane;
- 50 to 97 wt % of a solvent;
- 0.1 to 20 wt % of a dark pigment;
- and
- 5 to 40 wt % of a dispersant, the dispersant comprising one or more of a phosphoric acid ester, a carboxylic acid ester, a polyurethane-based dispersant, a hyperbranched polyamine, and a polyacrylate,
- wherein the polysilazane has a structure of Formula below:
3 more elements
Dependencies are inferred from the claim text.