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一种耐温复合无机彩色颜料及其制备方法
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
俞关猷
Filing Date
Aug 24, 2026
Publication Date
Oct 20, 2026
IPC Classification
C09C 1/24 (2006.01)C09C 1/00 (2006.01)C09C 3/04 (2006.01)C09C 3/06 (2006.01)
本发明公开了本发明公开一种耐温复合无机彩色颜料及其制备方法,涉及无机功能颜料制备技术领域,颜料为三层全无机梯度复合结构,由内至外分别为Ho‑Nb双掺杂多元过渡金属复合氧化物耐温显色内核、SiO‑AlO复合陶瓷氧阻隔中间壳、组分连续渐变的硼硅酸盐‑碱土铝酸盐梯度过渡层。制备时先共沉淀制备双层基底粉体,经脉冲超声表面活化后,双泵同步滴定溶胶原位沉积梯度过渡层,最后分段梯度升温晶化固化。本发明制得的颜料1300℃釉烧条件下色稳定性优异,与釉料界面结合良好,无针孔、渗色等缺陷,适用于高温陶瓷釉用着色领域。
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