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Dispersion of kaolin powders in silica sols
Zhang, Zhi1,2; Lu, Xuchen1; Su, Peng3; Lu, XC
2010-06-01
Source PublicationAPPLIED CLAY SCIENCE
ISSN0169-1317
Volume49Issue:1-2Pages:51-54
AbstractThe dispersion properties of kaolin powders in silica sols were investigated by electrokinetic, viscosity and theological measurements. Silica sol improved the dispersion of kaolin powders by increasing the negative charges on kaolinite particles. Electrophoretic mobility and viscosity of the kaolin particles in silica sol changed significantly in comparison with dispersions in deionized water. The kaolinite particles in silica sol showed a maximum of the electrophoretic mobility and a minimum in viscosity around pH 11.5. The viscosity of the dispersion reached a minimum when the silica sal concentration was 5 mass%. The flow behavior was non-Newtonian showing shear-thinning. When the solid content exceeded 45 mass%, the dispersion showed pronounced thixotropic behavior. (C) 2010 Elsevier B.V. All rights reserved.
KeywordKaolin Silica Sol Dispersion Rheology
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.clay.2010.04.001
Indexed BySCI
Language英语
WOS KeywordRHEOLOGICAL PROPERTIES ; BENTONITE SUSPENSIONS ; ZIRCONIUM HYDROGEL ; SURFACE-CHEMISTRY ; ALUMINA
WOS Research AreaChemistry ; Materials Science ; Mineralogy
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Mineralogy
WOS IDWOS:000279366400008
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6133
Collection多相复杂系统国家重点实验室
Corresponding AuthorLu, XC
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Baoto Aluminum Grp Co Ltd, Baoto 014000, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhi,Lu, Xuchen,Su, Peng,et al. Dispersion of kaolin powders in silica sols[J]. APPLIED CLAY SCIENCE,2010,49(1-2):51-54.
APA Zhang, Zhi,Lu, Xuchen,Su, Peng,&Lu, XC.(2010).Dispersion of kaolin powders in silica sols.APPLIED CLAY SCIENCE,49(1-2),51-54.
MLA Zhang, Zhi,et al."Dispersion of kaolin powders in silica sols".APPLIED CLAY SCIENCE 49.1-2(2010):51-54.
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