An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include silicon dioxide (SiO.sub.2) at 25 to 50 wt %; boron oxide (B.sub.2O.sub.3) at 1 to 15 wt %; one or more of lithium superoxide (Li.sub.2O), sodium oxide (Na.sub.2O), or potassium oxide (K.sub.2O) at 10 to 20 wt %; sodium fluoride (NaF) at 1 to 5 wt %; zinc oxide (ZnO) at 1 to 10 wt %; and one or more of titanium dioxide (TiO.sub.2), molybdenum trioxide (MoO.sub.3), bismuth oxide (Bi.sub.2O.sub.3), or cerium dioxide (CeO.sub.2) at 20 to 40 wt %, such that a heating time required for cleaning is shortened and cleaning is possible without carrying out a water soaking process.

An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 15 to 50 wt % of silicon dioxide (SiO.sub.2); 1 to 10 wt % of boron oxide (B.sub.2O.sub.3); 10 to 20 wt % of at least one of lithium superoxide (Li.sub.2O), sodium oxide (Na.sub.2O), or potassium oxide (K.sub.2O); 1 to 5 wt % of sodium fluoride (NaF); 1 to 10 wt % of zinc oxide (ZnO); and 20 to 50 wt % of at least one of titanium dioxide (TiO.sub.2), molybdenum oxide (MoO.sub.3), bismuth oxide (Bi.sub.2O.sub.3), cerium dioxide (CeO.sub.2), manganese dioxide (MnO.sub.2), or Iron oxide (Fe.sub.2O.sub.3), which provides an enamel composition with a reduced cleaning time, and facilitates cleaning without soaking in water.

An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 20 to 50% by weight of silicon dioxide (SiO.sub.2), 7 to 12% by weight of boron oxide (B.sub.2O.sub.3), one or more of lithium superoxide (Li.sub.2O), sodium oxide (Na.sub.2O), or potassium oxide (K.sub.2O), and 10 to 20% by weight of sodium fluoride (NaF), 1 to 10% by weight of zinc oxide (ZnO), and one or more of molybdenum oxide (MoO.sub.3), bismuth oxide (Bi.sub.2O.sub.3), or cerium dioxide (CeO.sub.2), and 10 to 40% by weight of titanium dioxide (TiO.sub.2). With such an enamel composition, cleaning is possible in a heating condition of a relatively low temperature and without a soaking process using water.

A coating composition may include a glass frit including Phosphorus Oxide (P.sub.2O.sub.5), Silicon Oxide (SiO.sub.2), Boron Oxide (B.sub.2O.sub.3), a group I-based metal oxide, Barium Oxide (BaO), Sodium Fluoride (NaF), Titanium Oxide (TiO2), Stannous Oxide (SnO), Zinc Oxide (ZnO), and an adhesion enhancement component. The P.sub.2O.sub.5 may be included by about 40 wt % to about 55 wt % based on a total weight of the glass frit. The SiO.sub.2 may be included by about 5 wt % to about 15 wt % based on the total weight of the glass frit. The B.sub.2O.sub.3 may be included by about 5 wt % to about 10 wt % based on the total weight of the glass frit. The group I-based metal oxide may be included by about 3 wt % to about 10 wt % based on the total weight of the glass frit. The ZnO may be included by about 10 wt % to about 25 wt % based on the total weight of the glass frit, and the TiO.sub.2 may be included by about 0.1 wt % to about 5 wt % based on the total weight of the glass frit.

An enamel composition having improved cleaning performance, a method of preparing the enamel composition, and a cooking device having the enamel composition are disclosed. The enamel composition includes glass frit and a metal oxide catalyst, wherein the metal oxide catalyst includes at least one of a unary metal oxide or a binary metal oxide, thereby allowing cleaning at room temperature while exhibiting good fouling resistance to allow easy removal of oil contaminants, such as chicken fat.

The present invention relates to an enamel composition capable of implementing cleaning without swelling using moisture, to a manufacturing method therefor, and to cooking utensils. The enamel composition according to the present invention comprises: 20-60 wt % of P.sub.2O.sub.5; 1-20 wt % of SiO.sub.2; 1-30 wt % of B.sub.2O.sub.3; 10-30 wt % of at least one of Li.sub.2O, Na.sub.2O, and K.sub.2O; 10-40 wt % of at least one selected from the group consisting of post-transition metal oxides and transition metal oxides. Therefore, the present invention provides an enamel composition capable of implementing cleaning without swelling using moisture, a manufacturing method therefor, and cooking utensils.

A fired hybrid enamel coating is provided. The hybrid enamel coating is formed by firing an enamel composition on a substrate. The enamel composition includes at least a first glass frit, which is sintered to form the hybrid enamel coating. The hybrid enamel coating can be cleaned using aqualytic or pyrolytic cleaning methods, and does not discolor or lose gloss when subject to typical pyrolytic cleaning methods. The hybrid enamel coating does not require the application of highly caustic cleaners to remove the baked-on soils.

The present disclosure relates to non-metallic articles that can be burner shields having grease flow control and/or chemical resistance. The present disclosure also relates to glass-ceramic burner shields that can have grease flow control and/or chemical resistance, and preferably both.

A coating composition may include a glass frit including Phosphorus Oxide (P.sub.2O.sub.5), Silicon Oxide (SiO.sub.2), Boron Oxide (B.sub.2O.sub.3), a group I-based metal oxide, Barium Oxide (BaO), Sodium Fluoride (NaF), Titanium Oxide (TiO2), Stannous Oxide (SnO), Zinc Oxide (ZnO), and an adhesion enhancement component. The P.sub.2O.sub.5 may be included by about 40 wt % to about 55 wt % based on a total weight of the glass frit. The SiO.sub.2 may be included by about 5 wt % to about 15 wt % based on the total weight of the glass frit. The B.sub.2O.sub.3 may be included by about 5 wt % to about 10 wt % based on the total weight of the glass frit. The group I-based metal oxide may be included by about 3 wt % to about 10 wt % based on the total weight of the glass frit. The ZnO may be included by about 10 wt % to about 25 wt % based on the total weight of the glass frit, and the TiO.sub.2 may be included by about 0.1 wt % to about 5 wt % based on the total weight of the glass frit.

An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 15 to 50 wt % of silicon dioxide (SiO.sub.2); 1 to 10 wt % of boron oxide (B.sub.2O.sub.3); 10 to 20 wt % of at least one of lithium oxide (Li.sub.2O), sodium oxide (Na.sub.2O), or potassium oxide (K.sub.2O); 1 to 5 wt % of sodium fluoride (NaF); 1 to 10 wt % of zinc oxide (ZnO); and 20 to 50 wt % of at least one of titanium dioxide (TiO.sub.2), molybdenum oxide (MoO.sub.3), bismuth oxide (Bi.sub.2O.sub.3), cerium dioxide (CeO.sub.2), manganese dioxide (MnO.sub.2), or Iron oxide (Fe.sub.2O.sub.3), which provides an enamel composition with a reduced cleaning time, and facilitates cleaning without soaking in water.