公开(公告)号：EP3184495A1

公开(公告)日：2017-06-28

申请号：EP15382663.1

申请日：2015-12-24

申请人： Fundación Cidetec

发明人： GABIKAETXEBARRIA MARCOS, Iker ,  MUÑOZ HOYUELOS, Jose María ,  PÉREZ GARCÍA, Rosalina ,  RODRÍGUEZ PARRA, Francisco Javier

IPC分类号： C03C8/16 ,  C25D13/02

CPC分类号： C03C8/16 ,  C25D13/02 ,  C25D13/10 ,  C25D13/22

摘要： The present invention relates to an enamel composition comprising: a glass frit; from 0.1 % to 20% by weight of a stabilizer per 100g of the glass frit; from 0.001 % to 1 % by weight of an inorganic salt per 100g of the glass frit; from 0.01 % to 0.7% by weight of reducing agent per 100g of the glass frit; from 0% to 0.04% by weight of an anionic surfactant per 100g of the glass frit; from 40 to 100 mL of water per 100g of the glass frit; wherein: the anion of the inorganic salt is selected from the group consisting of nitrate, sulphate and phosphate; the reducing agent is selected from the group consisting of alkaline metal nitrite, alkaline earth metal nitrite and mixture thereof; the fineness of grinding of the glass frit is comprised from 0/16900 to 12/16900 measured by the Bayer enamel test sieve; and with the proviso that the enamel composition is absent of halogenated anions; a process for its preparation; a process for the preparation of an enamel coating by an electrophoretic porcelain enamelling process using the enamel composition of the invention and the enamel coating obtainable by the process.

摘要翻译： 本发明涉及一种搪瓷组合物，其包含：玻璃料; 每100g玻璃料0.1至20重量％的稳定剂; 每100g玻璃料含有0.001重量％至1重量％的无机盐; 每100g玻璃料0.01重量％至0.7重量％的还原剂; 每100g玻璃料含有0％至0.04％重量的阴离子表面活性剂; 每100g玻璃料40至100mL水; 其中：所述无机盐的阴离子选自硝酸盐，硫酸盐和磷酸盐; 还原剂选自碱金属亚硝酸盐，碱土金属亚硝酸盐及其混合物; 玻璃料的研磨细度由拜耳搪瓷试验筛测量为0/16900至12/16900; 并且条件是搪瓷组合物不存在卤化阴离子; 其制备过程; 通过使用本发明的搪瓷组合物和通过该方法可获得的搪瓷涂层的电泳搪瓷工艺来制备搪瓷涂层的方法。