Microstructure, microrheology, and dynamics of laponite® and laponite®-poly(ethylene oxide) glasses and dispersions
Sign Up to like & getrecommendations! Published in 2020 at "Rheologica Acta"
DOI: 10.1007/s00397-020-01210-y
Abstract: We utilize dynamic light scattering (DLS)-based passive microrheology to probe the dynamics and structural evolution of laponite® and laponite®-polymer glasses and dispersions at the microscale. The results reveal an increase in the dynamic heterogeneity of… read more here.
Keywords: rheology; laponite laponite; microrheology; microstructure microrheology ... See more keywords
Cylindrical Couette flow of Laponite dispersions
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DOI: 10.1016/j.clay.2018.05.030
Abstract: Abstract Taylor-Couette flow of aqueous dispersions of nanometric Laponite platelets was studied by dynamic light scattering and direct observation. Despite high rotation rates, gel growth was observed starting from the stator, and filling almost the… read more here.
Keywords: flow laponite; couette flow; couette; cylindrical couette ... See more keywords
Structural evolution of salt-free aqueous Laponite dispersions: A study based on low-field NMR relaxometry and rheological investigations
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.125126
Abstract: Abstract The combination of Low-Field NMR relaxometry (LF-NMR) and rheological analyses was used to investigate the kinetics of aging and structural evolution of salt-free aqueous Laponite dispersions with concentrations ranging from 0.33 to 2.00 wt%. The… read more here.
Keywords: nmr; evolution; low field; time ... See more keywords