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@INPROCEEDINGS{Frielinghaus:872681,
      author       = {Frielinghaus, Henrich},
      title        = {{S}tructure and {D}ynamics of {C}lay {P}article
                      {D}ispersions},
      reportid     = {FZJ-2020-00172},
      year         = {2019},
      abstract     = {Clay 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.},
      month         = {Oct},
      date          = {2019-10-07},
      organization  = {JCNS Workshop: Trends and Perspectives
                       in Neutron Instrumentation: Probing
                       Structure and Dynamics in Soft Matter,
                       Tutzing (Germany), 7 Oct 2019 - 10 Oct
                       2019},
      subtyp        = {Outreach},
      cin          = {JCNS-FRM-II / JCNS-1 / MLZ},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15) / 6215 - Soft Matter,
                      Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6215},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)KWS3-20140101 /
                      EXP:(DE-MLZ)J-NSE-20140101},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/872681},
}