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HCl和H2SO4对金红石二氧化钛包硅效果的影响研究

刘婵 路瑞芳 杨芳 程晓哲

刘婵, 路瑞芳, 杨芳, 程晓哲. HCl和H2SO4对金红石二氧化钛包硅效果的影响研究[J]. 钢铁钒钛, 2021, 42(1): 60-64. doi: 10.7513/j.issn.1004-7638.2021.01.010
引用本文: 刘婵, 路瑞芳, 杨芳, 程晓哲. HCl和H2SO4对金红石二氧化钛包硅效果的影响研究[J]. 钢铁钒钛, 2021, 42(1): 60-64. doi: 10.7513/j.issn.1004-7638.2021.01.010
Liu Chan, Lu Ruifang, Yang Fang, Cheng Xiaozhe. Effect of HCl and H2SO4 on SiO2 coating of rutile titanium dioxide[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(1): 60-64. doi: 10.7513/j.issn.1004-7638.2021.01.010
Citation: Liu Chan, Lu Ruifang, Yang Fang, Cheng Xiaozhe. Effect of HCl and H2SO4 on SiO2 coating of rutile titanium dioxide[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(1): 60-64. doi: 10.7513/j.issn.1004-7638.2021.01.010

HCl和H2SO4对金红石二氧化钛包硅效果的影响研究

doi: 10.7513/j.issn.1004-7638.2021.01.010
详细信息
  • 中图分类号: TF823

Effect of HCl and H2SO4 on SiO2 coating of rutile titanium dioxide

  • 摘要: 选择硅酸钠作为氯化法金红石钛白的包硅原料,首先研究了包膜过程中调节pH的盐酸加量与包膜后钛白粉颜料性能的关系,结果表明随着盐酸加量的增加钛白粉亮度、白度L值和蓝光白度等颜料性能指标降低,但Scx和b值等蓝相指标则逐渐改善。其次对比分析了包硅过程中硫酸和盐酸两种不同酸体系中钛白粉二氧化硅膜层均匀致密性、颜料性能和应用性能的差距,明确了硫酸体系的二氧化硅膜层均匀致密性更好、光泽度更高,而盐酸体系的蓝相更优。
  • 图  1  包膜样消色力、亮度、色调和蓝相变化趋势

    Figure  1.  Tcs, Jasn, Ton and Scx trends of inorganic-processed titanium dioxide

    图  2  包膜样白度变化趋势

    Figure  2.  Whiteness performance trend of inorganic-processed titanium dioxide

    图  3  HCl和H2SO4体系包膜样品的HAADF-STEM照片

    Figure  3.  HAADF-STEM of inorganic-processed titanium dioxide from HCl and H2SO4 systems

    表  1  仪器设备

    Table  1.   Instruments and equipment

    名称型号厂家
    平磨仪PM240-2广西梧州市润讯宝石机械厂
    台式色彩检测仪800 VDatacolor
    光泽仪GM-268PlusKonica Minolta
    场发射透射电子
    显微镜
    Talos F200S Thermo Fisher Scientific
    (原FEI)
    下载: 导出CSV

    表  2  HCl和H2SO4体系的包膜样颜料性能对比

    Table  2.   Pigment characteristics of inorganic-processed titanium dioxide from HCl and H2SO4 systems

    编号脱氯体系JasnTonLabR457
    1 硫酸 96.16 −5.86 96.61 −1.04 −0.06 92.18
    2 硫酸 96.48 −5.83 96.91 −0.97 0.13 92.67
    3 盐酸 95.41 −5.32 96.11 −1.10 −0.25 91.21
    下载: 导出CSV

    表  3  HCl和H2SO4体系的包膜样光泽度对比

    Table  3.   Glossiness performance of inorganic-processed titanium dioxide from HCl and H2SO4 systems

    编号脱氯体系光泽度
    20°60°85°
    1 硫酸 37.4 82.6 93.5
    2 硫酸 38.5 83.2 94.4
    3 盐酸 36.2 82.9 93.3
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-08-18
  • 刊出日期:  2021-02-10

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