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Relationship between structures and rheological properties of plate-like particle suspensions

文献类型:期刊论文

作者Niu, Ran1,2; Gong, Jiang1,2; Xu, Donghua1; Tang, Tao1; Sun, Zhao-Yan1
刊名Colloids and surfaces a-physicochemical and engineering aspects
出版日期2015-04-01
卷号470页码:22-30
关键词Plate-like particles Structure Rheology Negative normal stress differences Interaction
ISSN号0927-7757
DOI10.1016/j.colsurfa.2015.01.055
通讯作者Xu, donghua(dhxu@ciac.ac.cn)
英文摘要The structures and rheological properties of three different plate-like particle suspensions, i.e., organically-modified montmorillonite (ommt), graphene oxide (go) and kaolinite (kaolin) in silicone oil (so), are explored. since the interactions between plate-like particle and so are different, the dispersion states of these particles in so are different. ommt particles disperse relatively well in so, and small clusters exist in go/so suspensions, but larger aggregates are found in kaolin/so suspensions. moreover, liquid-crystalline ordering structure is found in both ommt/so and go/so suspensions, while it is absent in kaolin/so suspensions. negative normal stress differences (delta n) are observed during shear in all three plate-like particle suspensions, however, the mechanisms of the negative delta n might be different. it can be further inferred that the negative delta n in ommt/so suspensions results from the tumbling and rotating motions of ommt sheets, while for go/so or kaolin/so suspensions, the negative delta n results from the vorticity alignment of large go clusters and kaolin aggregates. (c) 2015 elsevier b.v. all rights reserved.
WOS关键词LAYERED-SILICATE NANOCOMPOSITES ; GRAPHENE OXIDE ; MELT RHEOLOGY ; BEHAVIOR ; KAOLIN ; VISCOELASTICITY ; COMPOSITES ; FLOW ; GEL
WOS研究方向Chemistry
WOS类目Chemistry, Physical
语种英语
WOS记录号WOS:000351913800004
出版者ELSEVIER SCIENCE BV
URI标识http://www.irgrid.ac.cn/handle/1471x/2376435
专题中国科学院大学
通讯作者Xu, Donghua
作者单位1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Niu, Ran,Gong, Jiang,Xu, Donghua,et al. Relationship between structures and rheological properties of plate-like particle suspensions[J]. Colloids and surfaces a-physicochemical and engineering aspects,2015,470:22-30.
APA Niu, Ran,Gong, Jiang,Xu, Donghua,Tang, Tao,&Sun, Zhao-Yan.(2015).Relationship between structures and rheological properties of plate-like particle suspensions.Colloids and surfaces a-physicochemical and engineering aspects,470,22-30.
MLA Niu, Ran,et al."Relationship between structures and rheological properties of plate-like particle suspensions".Colloids and surfaces a-physicochemical and engineering aspects 470(2015):22-30.

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来源:中国科学院大学

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