Preparation and color performance control of Cr2O3 green pigment through thermal decomposition of chromium hydroxide precursor

被引：27
|
作者：
Zhang, H. L. [1 ,2 ]
Liang, S. T. [1 ,2 ,3 ]
Luo, M. T. [1 ,2 ]
Ma, M. G. [1 ,2 ,4 ]
Fan, P. P. [1 ,2 ,5 ]
Xu, H. B. [1 ,2 ]
Li, P. [1 ,2 ]
Zhang, Y. [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100190, Peoples R China
[4] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300401, Peoples R China
[5] Qingdao Univ Sci & Technol, New Mat & Funct Coordinat Chem Lab, Qingdao 266042, Peoples R China
来源：
MATERIALS LETTERS | 2014年 / 117卷
基金：
中国国家自然科学基金;
关键词：
Cr2O3 green pigment; Chromiurn hydroxide; Color performance; Microstructure; Particles; NANOPARTICLES;
D O I：
10.1016/j.matlet.2013.12.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cr2O3 green pigment was prepared through the thermal decomposition of chromium hydroxide precursor, which was precipitated by Cr(NO3)(3) and NaOH solutions. The color performance of as-prepared Cr2O3 is comparable to the commercial pigment when the precursor was precipitated from 025 mol/L Cr(NO3)(3) solution. When increasing the concentration of Cr(NO3)(3) solution, the color of Cr2O3 becomes more reddish and much darker. The structure and morphology of different precursors and Cr2O3 samples were characterized. Amorphous precursor with non-agglomerated particles, which could be obtained by controlling the concentration of Cr(NO3)(3) solution, was found to be a prerequisite for preparing Cr2O3 pigment with good color performance. (C) 2013 Elsevier B.V. All rights reserved,
引用
收藏
页码：244 / 247
页数：4
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