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Green decorative colour for high temperature firing, process for its preparation and its use

机译:用于高温烧成的绿色装饰色,其制备方法及其用途

摘要

The invention makes available for the first time pure green decoration coloring substances for high-temperature firing at least at 1000 DEG C., in particular at 1100 to 1250 DEG C., with a color hue angle h in the range of 160 DEG +/-20 DEG . The decoration coloring substance comprises chromium oxide as the pigment and one or several glass frits as glass flux, and additionally a cobalt compound from the series CoO, Co(OH)2 and Co compounds forming CoO below or at the firing temperature, with the atomic ratio of Co to Cr being in the range of 0.01 to 0.35, preferably 0.15 to 0.25.
机译:本发明首次提供了至少在1000℃,特别是在1100至1250℃下用于高温烧制的纯绿色装饰着色剂,其色相角h为160°/°。 -20度。装饰着色物质包括作为颜料的氧化铬和作为玻璃熔剂的一个或几个玻璃料,以及另外的由CoO,Co(OH)2和Co化合物系列组成的钴化合物,在燃烧温度以下或在该温度下与原子形成CoO。 Co与Cr之比在0.01至0.35的范围内,优选0.15至0.25。

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