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000872681 037__ $$aFZJ-2020-00172
000872681 041__ $$aEnglish
000872681 1001_ $$0P:(DE-Juel1)130646$$aFrielinghaus, Henrich$$b0$$eCorresponding author$$ufzj
000872681 1112_ $$aJCNS Workshop: Trends and Perspectives in Neutron Instrumentation: Probing Structure and Dynamics in Soft Matter$$cTutzing$$d2019-10-07 - 2019-10-10$$wGermany
000872681 245__ $$aStructure and Dynamics of Clay Particle Dispersions
000872681 260__ $$c2019
000872681 3367_ $$033$$2EndNote$$aConference Paper
000872681 3367_ $$2DataCite$$aOther
000872681 3367_ $$2BibTeX$$aINPROCEEDINGS
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000872681 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1579791863_23631$$xOutreach
000872681 520__ $$aClay particles are used as additives for many different purposes be it as viscosity modifiers, as flame retardants, for low gas permeability, or for scratch resistance. The high aspect ratio of the platelets supports all those material improvements. Very often, the fundamental understanding of platelet dispersions is at the beginning. Thus, new concepts are highly desired when it comes to the next generation of products with even higher performance.Scattering experiments provide the structural and dynamic information that is needed to understand the mechanism of clay particle dispersions. Clay particles dispersed in water and microemulsions show examples of quite low and extremely high viscosities for certain aspect ratios (Fig. 1, left)[1]. These findings are rationalized by applying a simple viscosity model of membranes in a viscous medium. The principal understanding of low viscosities was transferred to crude oil dispersions where lower viscosities were obtained at low temperatures[1]. The structure of clay/polymer dispersions was analyzed using medium and wide-angle scattering (Fig. 1, right)[2]. A simple model rationalized the findings, especially the rather low limit of platelets forming a stack at about 3-4.
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000872681 536__ $$0G:(DE-HGF)POF3-6215$$a6215 - Soft Matter, Health and Life Sciences (POF3-621)$$cPOF3-621$$fPOF III$$x2
000872681 65017 $$0V:(DE-MLZ)GC-1602-2016$$2V:(DE-HGF)$$aPolymers, Soft Nano Particles and  Proteins$$x0
000872681 65027 $$0V:(DE-MLZ)SciArea-210$$2V:(DE-HGF)$$aSoft Condensed Matter$$x0
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000872681 693__ $$0EXP:(DE-MLZ)J-NSE-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)J-NSE-20140101$$6EXP:(DE-MLZ)NL2ao-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$eJ-NSE: Neutron spin-echo spectrometer$$fNL2ao$$x2
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000872681 9131_ $$0G:(DE-HGF)POF3-6G15$$1G:(DE-HGF)POF3-6G0$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF3-6G15$$aDE-HGF$$bForschungsbereich Materie$$lGroßgeräte: Materie$$vFRM II / MLZ$$x1
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000872681 9141_ $$y2019
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