无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
研究与开发

Al(OH)3@Zn(OH)2双层包覆氧化铁黄合成及其耐热性能研究

  • 周凯 ,
  • 潘国祥 ,
  • 李金花 ,
  • 夏盛杰 ,
  • 徐敏虹 ,
  • 沈辉 ,
  • 青木功荘
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  • 1.湖州师范学院材料工程系,湖州 313000
    2.浙江工业大学化工学院
    3.浙江华源颜料股份有限公司
周凯(1995— ),男,硕士,研究方向为耐热氧化铁黄颜料开发;E-mail: 1048111538@qq.com

收稿日期: 2021-04-06

  网络出版日期: 2022-03-14

基金资助

浙江省领军型创新创业团队项目(2018R01008);浙江省自然科学基金(LQ19E040001);浙江省自然科学基金(LY21E040001)

Study on preparation and heat resistance of iron oxide yellow coated with double layer Al(OH)3@Zn(OH)2

  • Kai ZHOU ,
  • Guoxiang PAN ,
  • Jinhua LI ,
  • Shengjie XIA ,
  • Minhong XU ,
  • Hui SHEN ,
  • Aoki KOSO
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  • 1. Department of Materials Engineering,Huzhou University,Huzhou 313000,China
    2. College of Chemical Engineering,Zhejiang University of Technology
    3. Zhejiang Huayuan Pigment Co.,Ltd.

Received date: 2021-04-06

  Online published: 2022-03-14

摘要

采用共沉淀法对铁黄颜料进行Al(OH)3/Zn(OH)2双层异相包覆,提升其耐热性能,并通过XRD、TG-DTA、FT-IR、SEM&EDS等手段对包覆前后铁黄颜料的微观结构进行表征。研究结果表明,包覆质量分数为40%的Al(OH)3时铁黄颜料的耐热性能较好;第二层包覆Zn(OH)2,最优包覆质量分数为30%,样品在240 ℃时色差值为1.84。XRD测试结果表明,Al(OH)3和Zn(OH)2包覆并没有改变氧化铁黄的特征峰,两者可能以无定形态包覆在铁黄粒子表面。SEM、EDS、FT-IR测试表明,Al(OH)3/Zn(OH)2已成功对铁黄颜料进行了包覆;此外,还出现了片状结构对应Al(OH)3自身成核现象,包锌后出现了团聚现象。TG-DTA表征显示,包覆后样品升温脱水分两步,低温吸热峰对应包覆层物质的脱水,高温吸热峰偏向更高温度,对应包覆颜料耐热性能的提升。

本文引用格式

周凯 , 潘国祥 , 李金花 , 夏盛杰 , 徐敏虹 , 沈辉 , 青木功荘 . Al(OH)3@Zn(OH)2双层包覆氧化铁黄合成及其耐热性能研究[J]. 无机盐工业, 2022 , 54(2) : 50 -53 . DOI: 10.19964/j.issn.1006-4990.2021-0220

Abstract

The iron oxide yellow pigment was coated with double layer heterogeneous Al(OH)3/Zn(OH)2 by coprecipitation method to improve its heat resistance.The microstructure of iron oxide yellow pigment before and after coating was character-ized by XRD,TG-DTA,FT-IR,SEM & EDS technologies.The research results showed that the heat resistance of iron oxide yellow pigment coated with 40% of Al(OH)3 was better,and the optimal coating amount was 30% when the second layer was coated with Zn(OH)2,and the color difference of the sample was 1.84 at 240 ℃.XRD results showed that coating of Al(OH)3 and Zn(OH)2 did not change the characteristic peak of iron oxide yellow,and they may be coated on the surface of iron oxide yellow in amorphous form.SEM,EDS and FT-IR tests showed that Al(OH)3/Zn(OH)2 had successfully coated the iron yellow pigment.In addition,the flake structure was corresponding to the nucleation of Al(OH)3 itself,and the agglomeration occured after zinc hydroxide coating.TG-DTA characterization showed that the sample with coating was heated and dewatered in two steps.The low temperature endothermic peak was corresponding to the dehydration of the coating material,while the high temperature endothermic peak tended to higher temperature,which was corresponding to the improvement of the heat resistance of the coating pigment.

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