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    • 10. 发明申请
    • LEAD-FREE GLASS ENAMELS FOR DECORATING GLASS BEVERAGE CONTAINERS AND METHODS FOR USING THE SAME
    • 用于装饰玻璃饮料容器的无铅玻璃装置及其使用方法
    • WO1995025009A1
    • 1995-09-21
    • PCT/US1995003051
    • 1995-03-13
    • FERRO CORPORATION
    • FERRO CORPORATIONROBERTS, Gordon, J.MALONEY, John, J.MURALIDHAR, Sivasubraman
    • B32B17/00
    • C03C8/06C03C2209/00Y10T428/1314Y10T428/1317
    • This invention relates to a lead-free glass enamel for glass beverage containers and a method of decorating glass beverage containers using such glass enamel. The method includes the steps of: (i) providing a glass beverage container; (ii) providing a decorative lead-free glass enamel comprising a glass frit, the glass frit comprising in weight percent from 17 % to 28 % SiO2, from 12 % to 30 % B2O3, up to 3 % Al2O3, up to 13 % Na2O, up to 13 % K2O, up to 14 % TiO2, from 5 % to 30 % ZnO, up to 14 % ZrO2, up to 6 % CeO, up to 6 % Y2O3, from 1 % to 8 % La2O3, up to 1 % MgO, up to 5 % CaO, up to 10 % SrO, up to 16 % BaO, from 0.5 % to 5 % fluoride, a maximum of 5 % each of WO3, P2O5, Bi2O3, Sb2O3 and MoO3, with the provisions that the sum of the levels of plus Na2O plus K2O is in the range of 6 % to 13 %, that the sum of the levels of MgO plus CaO plus SrO plus BaO is in the range of 1 % to 16 %, and that the sum of the levels of ZrO2 plus TiO2 plus La2O3 plus CeO2 plus Y2O3 is in the range of 7 % to 25 %; (iii) applying the glass enamel to at least a portion of the surface of the glass beverage container; and (iv) firing the glass beverage container at a temperature of from about 560 DEG C to about 640 DEG C so as to produce a resilient decorative coating on the surface of the beverage container.
    • 本发明涉及玻璃饮料容器的无铅玻璃搪瓷和使用这种玻璃搪瓷装饰玻璃饮料容器的方法。 该方法包括以下步骤:(i)提供玻璃饮料容器; (ii)提供包含玻璃料的装饰性无铅玻璃搪瓷,所述玻璃料包含重量百分比为17%至28%SiO 2,12%至30%B 2 O 3,至多3%Al 2 O 3,至多13%Na 2 O ,高达13%的K2O,高达14%的TiO 2,5%至30%的ZnO,至多14%的ZrO 2,至多6%的CeO,至多6%的Y 2 O 3,1%至8%的La 2 O 3,至多1 %MgO,高达5%的CaO,至多10%的SrO,至多16%的BaO,0.5%至5%的氟化物,最多5%的WO 3,P 2 O 5,Bi 2 O 3,Sb 2 O 3和MoO 3,其规定 加Na2O加K2O水平的总和在6%〜13%的范围内,MgO + CaO + SrO + BaO的含量之和在1%〜16%的范围内,总和 的ZrO2 + TiO2和La2O3 + CeO2 + Y2O3的含量在7%〜25%的范围内。 (iii)将所述玻璃搪瓷施加到所述玻璃饮料容器的表面的至少一部分; 和(iv)在约560℃至约640℃的温度下烧制玻璃饮料容器,以便在饮料容器的表面上产生弹性装饰涂层。