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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 in the form of substantially spherical beads with a mean size of at least 50 m, which have a dop oil uptake of at least 260 ml / 100g, as starting material for the production of a colorant by impregnation of said silica with an inorganic pigment in the form of a soluble salt, in particular with an inorganic pigment based on iron sulfate soluble.elle also relates to a coloring agent which can be obtained by calcination, and then possibly crushing, a precipitated silica in the form of substantially spherical beads with a mean size of at least 50 m, which have a dop oil uptake of at least 260 ml / 100g, previously impregnated with the aid of an inorganic pigment in the form of a soluble salt, in particular an inorganic pigment based on iron sulfate soluble.le colorant obtained may be used for the coloration of ceramic materials, such as tiles or the floor tiles of ceramic, and of materials with a hydraulic binder.
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机译:本发明涉及以平均大小至少为50m的,基本上球形的珠粒形式的沉淀的二氧化硅作为起始原料用于生产着色剂的用途,所述平均球形的珠粒的平均尺寸至少为50m,其具有至少260ml / 100g的掺杂油。通过用可溶性盐形式的无机颜料,特别是基于可溶于硫酸铁的无机颜料浸渍所述二氧化硅,elle还涉及可以通过煅烧然后可能破碎,沉淀得到的着色剂。基本球形的平均粒径至少为50 m的二氧化硅,其掺杂油的吸收量至少为260 ml / 100 g,事先用可溶性盐形式的无机颜料浸渍过,特别地,所获得的基于硫酸铁可溶着色剂的无机颜料可用于陶瓷材料的着色,例如瓷砖或陶瓷的地砖,以及具有水硬性粘合剂的材料的着色。
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