Zn2+掺加的包覆型Fe2O3/SiO2颜料的制备及其呈色性能

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (6): 2090-2095.

Zn²⁺掺加的包覆型Fe₂O₃/SiO₂颜料的制备及其呈色性能

冯晋阳, 赵珂楠, 范艺鋆, 李凝芳

武汉理工大学,硅酸盐建筑材料国家重点实验室,武汉 430070

收稿日期:2021-01-20 修回日期:2021-03-14 出版日期:2021-06-15 发布日期:2021-07-08
作者简介:冯晋阳(1969—),男,博士,副研究员。主要从事玻璃、陶瓷装饰材料的开发。E-mail:fjy@whut.edu.cn
基金资助:
湖北省重点研发计划(2020BAB061)

Preparation and Coloration of Fe₂O₃/SiO₂ Coated Pigments Doped with Zinc Ions

FENG Jinyang, ZHAO Kenan, FAN Yijun, LI Ningfang

State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

Received:2021-01-20 Revised:2021-03-14 Online:2021-06-15 Published:2021-07-08

摘要/Abstract

摘要： 包覆型Fe₂O₃/SiO₂颜料由于包覆完整性并不理想,该颜料高于800 ℃时呈色会产生变黑、变暗的问题。采用溶胶-凝胶法制备包覆型Fe₂O₃/SiO₂颜料,研究催化剂浓度、反应温度、硅/铁质量比等因素对包覆型Fe₂O₃/SiO₂颜料呈色性能的影响。在此基础上,通过掺加Zn²⁺,进行了Zn²⁺掺加的包覆型Fe₂O₃/SiO₂颜料的呈色性能研究。研究表明,当催化剂(氨水)浓度为0.75 mol/L,反应温度为40 ℃,硅/铁质量比m(SiO₂)/m(Fe₂O₃)为0.20,铁/锌摩尔比n(Fe)/n(Zn)为4时,制备得到的Zn²⁺掺加的包覆型Fe₂O₃/SiO₂颜料的呈色耐热性能获得明显提升,样品在850 ℃煅烧后仍然呈现出明亮的红橙色色调。

关键词: 铁红颜料, 包覆型颜料, 锌离子, 呈色性能, 耐热性

Abstract: Due to the incomplete coating of Fe₂O₃/SiO₂ pigment, the color of the pigment turns black and dark over 800 ℃. In this paper, the Fe₂O₃/SiO₂ coated pigments were prepared by sol-gel method, and then the effects of catalyst concentration, reaction temperature, mass ratio of silicon/iron and other factors on the coloration of pigments were investigated. On this basis, the coloration of the Fe₂O₃/SiO₂ coated pigments were studied by doping with zinc ions. The results show that the proper condition of synthetic reaction is the catalyst (ammonia) concentration 0.75 mol/L, the reaction temperature 40 ℃, the silicon/iron mass ratio m(SiO₂)/m(Fe₂O₃)=0.20, iron/zinc molar ratio n(Fe)/n(Zn)=4. The heat resistance of the Fe₂O₃/SiO₂ coated pigments doped with zinc ions is significantly improved, and the sample shows a bright orange red tone after 850 ℃ calcination.

Key words: iron red pigment, coated pigment, zinc ion, coloration, heat resistance

中图分类号:

TQ174.75

冯晋阳, 赵珂楠, 范艺鋆, 李凝芳. Zn²⁺掺加的包覆型Fe₂O₃/SiO₂颜料的制备及其呈色性能[J]. 硅酸盐通报, 2021, 40(6): 2090-2095.

FENG Jinyang, ZHAO Kenan, FAN Yijun, LI Ningfang. Preparation and Coloration of Fe₂O₃/SiO₂ Coated Pigments Doped with Zinc Ions[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(6): 2090-2095.

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Zn²⁺掺加的包覆型Fe₂O₃/SiO₂颜料的制备及其呈色性能

Preparation and Coloration of Fe₂O₃/SiO₂ Coated Pigments Doped with Zinc Ions

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