| 摘要 |
<p>The present invention provides a new and improved porcelain enamel coating composition for use in forming a self-cleanable coating upon aluminized steel. The coating composition comprises a glass component having a composition comprising from about 30 % to about 55 % SiO2, from about 11 % to about 20 % TiO2, from about 0 % to about 10 % B2O3, from about 20 % to about 40 % alkali metal oxides, at least about 5 % rare earth metal oxides, from about 0 % to about 10 % CaO, from about 0 % to about 10 % BaO, from about 0 % to about 10 % MnO, form about 2 % to about 12 % CuO, from about 0 % to about 10 % Sb2O3, from about 1.5 % to about 10 % Fe2O3, from about 0 % to about 10 % SnO2, from about 0 % to about 10 % P2O5, less than about 2 % MoO3, and less than about 5 % V2O5.</p> |
