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发明公开
CN103449518A 一种镧、钇和铈共掺杂钒酸铋无机颜料及其制备方法 有权 转让

一种镧、钇和铈共掺杂钒酸铋无机颜料及其制备方法
摘要：
本发明公开了一种镧、钇和铈共掺杂钒酸铋无机颜料及其制备方法，无机颜料通式为Bi1-x-y-zLaxYyCezVO4，其中0.02≤x≤0.1，0.02≤y≤0.1，0.02≤z≤0.1；利用螯合剂辅助并使用微波水热法制备镧、钇和铈三元素共同掺杂的钒酸铋颜料；加入不同的螯合剂，有助于金属离子在反应过程中的缓慢释放，从而使生成镧、钇和铈三元素共同掺杂钒酸铋颜料的过程比较缓和的进行；使用微波水热法，缩短制备时间；制得的镧元素、钇元素和铈元素的掺杂有助于改善钒酸铋颜料的呈色性能。
摘要（英）：

The invention discloses a lanthanum, yttrium and cerium co-doped bismuth vanadate inorganic pigment and a preparation method thereof. The general formula of the inorganic pigment is Bi1-x-y-zLaxYyCezVO4, wherein x is not less than 0.02 and not more than 0.1, y is not less than 0.02 and not more than 0.1, and z is not less than 0.02 and not more than 0.1; chelating agents are utilized for assistance, and a microwave hydrothermal method is used for preparing the lanthanum, yttrium and cerium co-doped bismuth vanadate pigment; the different chelating agents are added so as to be favorable for slow release of metal ions in a reaction process, thereby enabling the generation process of the lanthanum, yttrium and cerium co-doped bismuth vanadate pigment to proceed more mildly; the microwave hydrothermal method is used to shorten the preparation time; and the doping of the prepared lanthanum element, yttrium element and cerium element is favorable for improving the color-forming performance of the bismuth vanadate pigment.

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