没有有毒金属的无机黄红色素
1Max-Planck-Institut fur Festkorperforschung, Stuttgart, Germany. martin@jansen.mpi-stuttgart.mpg.de
Nature
|May 9, 2000
概括
新的矿颜料为传统的基色素提供了更安全,高性能的替代品. 这些无无机颜料为高温应用提供了出色的稳定性和可调色颜色.
科学领域:
- 材料科学 材料科学 材料科学
- 无机化学 无机化学
- 颜料技术的颜料技术是什么
背景情况:
- 无机颜料对于在高温下加工的颜色材料至关重要,特别是在玻璃,玻璃化和陶中.
- 许多当前的无机颜料含有重金属或过渡金属,构成环境和健康风险,基颜料由于的毒性而引起特别关注.
- 规定越来越多地限制了色素的使用,推动了对更安全,高性能替代品的需求.
研究的目的:
- 识别和评估新的,无毒的无机色素候选物,以替代基于的色素.
- 评估这些新颜料的性能特征,包括颜色,稳定性和在高温环境中的适用性.
- 为了证明一个可行的途径,以减少从颜料使用的排放.
主要方法:
- 基于矿CaTaO2N和LaTaON2的固体溶液的合成和表征2.
- 通过调整矿固体溶液的成分来调整颜料颜色.
- 评估关键色素特性:亮度,色调强度,不透明度,分散性,耐光性和耐热性.
主要成果:
- CaTaO2N和LaTaON2的固体溶液在亮度,色调强度,不透明度,分散性,耐光性和耐热性方面表现与色素相提并论.
- 这些矿颜料的颜色可以通过简单的组成修改,有效地调整整个黄色,色和红色的光谱.
- 开发的矿系统中的所有组成元素都被认为是无害的.
结论:
- 基于矿的无机颜料,特别是CaTaO2N和LaTaON2的固体溶液,是一个有希望的,本质上比基于的颜料更安全的替代品.
- 这种新的颜料系统提供了可比较的性能和可调色颜色,解决了在高温应用中无解决方案的需求.
- 该开发有助于减少环境中的排放,并减轻对颜料安全性的担忧.
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