2016
DOI: 10.1016/j.jcis.2015.12.033
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Flocculated Laponite–PEG/PEO dispersions with monovalent salt, a SAXS and simulation study

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Cited by 19 publications
(25 citation statements)
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“…Replacement of the schematic description for Laponite-PEG dispersion by a realistic sedimented structure from the Cryo-TEM results. Tactoid formation of Laponite platelets occurs at high enough salt concentration from both NaCl and CaCl 2 including the adsorbing polymer above the saturation concentration.…”
Section: Discussionmentioning
confidence: 99%
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“…Replacement of the schematic description for Laponite-PEG dispersion by a realistic sedimented structure from the Cryo-TEM results. Tactoid formation of Laponite platelets occurs at high enough salt concentration from both NaCl and CaCl 2 including the adsorbing polymer above the saturation concentration.…”
Section: Discussionmentioning
confidence: 99%
“…The scattering function can be approximated with a Lorentzian line shape where I ( q ) is the scattering intensity; C ( q ) is a polynomial function for the background contribution around the peak; and w is a measure of the width. The full width at half-maximum (fwhm) of the peak is equal to 2 w , and the average tactoid size can be expressed as ⟨ N ⟩ ≈ q max / w . ,,, All the fitted data can be found in the Supporting Information.…”
Section: Methodsmentioning
confidence: 99%
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“…In recent years, aqueous suspensions of Lap with additives of poly­(ethylene oxide) (PEO) have attracted great attention. Lap + PEO systems are used for preparation of hydrogels with thermoresponsive sol–gel transition, transparent hydrogels and films for biomedical applications, and shake-gel aqueous mixtures. The interactions between Lap and PEO in aqueous solutions have been studied using rheological and dynamic light scattering techniques, small-angle neutron scattering, and Raman spectroscopy . In the presence of PEO, the surface of Lap becomes covered by adsorbed polymeric chains, but some PEO molecules can remain as free chains in solution .…”
Section: Introductionmentioning
confidence: 99%