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USE OF HIGH-ABSORPTION-CAPACITY PRECIPITATED SILICA FOR THE PRODUCTION OF A COLORANT BY MEANS OF IMPREGNATION WITH AN INORGANIC PIGMENT, THE COLORANT THUS OBTAINED AND THE APPLICATION THEREOF IN THE COLOURING OF CERAMIC MATERIALS
USE OF HIGH-ABSORPTION-CAPACITY PRECIPITATED SILICA FOR THE PRODUCTION OF A COLORANT BY MEANS OF IMPREGNATION WITH AN INORGANIC PIGMENT, THE COLORANT THUS OBTAINED AND THE APPLICATION THEREOF IN THE COLOURING OF CERAMIC MATERIALS
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机译:高吸收能力的二氧化硅在无机颜料浸渍法生产色料中的用途,获得的色料及其在陶瓷材料着色中的应用
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摘要
The invention relates to the use of precipitated silica having a DOP oil absorption of at least 260 ml/100g as a raw material in order to produce a colorant by impregnating said silica with an inorganic pigment in the form of a soluble salt and, in particular, with an inorganic pigment based on soluble iron sulphate. The invention also relates to a colorant that can be produced by calcinating and, optionally, grinding a precipitated silica with a DOP oil absorption of at least 260 ml/100g which has already been impregnated using an inorganic pigment in the form of a soluble salt, such as a soluble iron sulphate-based inorganic pigment. The colorant thus obtained can be used to dye ceramic materials, such as ceramic tiles, and bituminous or hydraulic binding materials.
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机译:本发明涉及具有至少260ml / 100g的DOP吸油量的沉淀二氧化硅作为原料的用途,以通过用可溶性盐形式的无机颜料浸渍所述二氧化硅来生产着色剂,特别是,以及基于可溶性硫酸铁的无机颜料。本发明还涉及一种着色剂,其可通过煅烧并任选研磨具有至少260 ml / 100g的DOP吸油量的沉淀二氧化硅来生产,该着色剂已经使用可溶性盐形式的无机颜料进行了浸渍,例如可溶性硫酸铁基无机颜料。由此获得的着色剂可用于使陶瓷材料如瓷砖染色,以及沥青或水硬性粘结材料染色。
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