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Preparation and mechanism of TiO2-coated illite composite pigments
Alternative TitleDyes Pigment.
Zhao, Xiaoxian1; Li, Jie1; Liu, Yahui1; Zhang, Yongqiang2; Qu, Jingkui1; Qi, Tao1
2014-09-01
Source PublicationDYES AND PIGMENTS
ISSN0143-7208
Volume108Issue:SEP.Pages:84-92
AbstractTiO2-coated illite composite pigments were prepared by hydrolyzing Ti(SO4)(2) on the surface of illite substrates and the products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), zeta potential analysis, and X-ray photoelectron spectroscopy (XPS), respectively. Density functional theory calculations of the energetic stability and electronic structure of illite, calcined illite, and TiO2-coated illite were used to analyze the chemical activity and bonding position between the anatase film and the illite particles. The results demonstrate that calcined illite is more suitable for metatitanic acid coating. Moreover, the surface of illite substrates is continuously coated with anatase and a chemical interaction could occur between the anatase film and the illite substrates. The whiteness, hiding power, and oil absorption value of the compound pigment are 95.73%, 97.55%, and 33.82 g/100 g, respectively. (C) 2014 Elsevier Ltd. All rights reserved.; TiO2-coated illite composite pigments were prepared by hydrolyzing Ti(SO4)(2) on the surface of illite substrates and the products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), zeta potential analysis, and X-ray photoelectron spectroscopy (XPS), respectively. Density functional theory calculations of the energetic stability and electronic structure of illite, calcined illite, and TiO2-coated illite were used to analyze the chemical activity and bonding position between the anatase film and the illite particles. The results demonstrate that calcined illite is more suitable for metatitanic acid coating. Moreover, the surface of illite substrates is continuously coated with anatase and a chemical interaction could occur between the anatase film and the illite substrates. The whiteness, hiding power, and oil absorption value of the compound pigment are 95.73%, 97.55%, and 33.82 g/100 g, respectively. (C) 2014 Elsevier Ltd. All rights reserved.
KeywordComposite Pigments Density Functional Theory Illite Tio2 Coating Liquid-phase Deposition
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.dyepig.2014.04.022
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLIQUID-PHASE DEPOSITION ; MICA-TITANIA PIGMENTS ; TIO2 PARTICLES ; PSEUDOPOTENTIALS ; TRANSFORMATION ; ADSORPTION ; EFFICIENCY ; SURFACES ; SILICA ; IONS
WOS Research AreaChemistry ; Engineering ; Materials Science
WOS SubjectChemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles
WOS IDWOS:000338002200012
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11627
Collection研究所(批量导入)
Affiliation1.Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Yanshan Univ, Sch Environm & Chem Engn, Hebei 066004, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Xiaoxian,Li, Jie,Liu, Yahui,et al. Preparation and mechanism of TiO2-coated illite composite pigments[J]. DYES AND PIGMENTS,2014,108(SEP.):84-92.
APA Zhao, Xiaoxian,Li, Jie,Liu, Yahui,Zhang, Yongqiang,Qu, Jingkui,&Qi, Tao.(2014).Preparation and mechanism of TiO2-coated illite composite pigments.DYES AND PIGMENTS,108(SEP.),84-92.
MLA Zhao, Xiaoxian,et al."Preparation and mechanism of TiO2-coated illite composite pigments".DYES AND PIGMENTS 108.SEP.(2014):84-92.
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