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Inclusion pigments of zirconium silicate formed with spinel inclusions, a process for the preparation and use thereof
Inclusion pigments of zirconium silicate formed with spinel inclusions, a process for the preparation and use thereof
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机译:与尖晶石夹杂物形成的硅酸锆夹杂物颜料,其制备方法和用途
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摘要
Inclusion pigments are disclosed based on zirconium silicate as a casing component and cobalt-free spinels as discrete, included colored compounds. The inclusion pigments are prepared by fusing a mixture of a zirconium dioxide source, a silicon dioxide source, one or more mineralizer and cobalt-free oxides in a ratio suitable for spinel- formation. The inclusion pigments have high enamel-fastness and high color-fastness. Further, the pigments are drain-resistant under usual decoration firing conditions.
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