Journal of Colloid and Interface Science 516 (2018) 248–253 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article Dispersion mechanism of polyacrylic acid-coated nanoparticle in protic ionic liquid, N,N-diethylethanolammonium triﬂuoromethanesulfonate a,⇑ b,1 b b Ryo Kanzaki , Clément Guibert , Jérôme Fresnais , Véronique Peyre Graduate School of Science and Engineering, Kagoshima University, 1-21-35, Korimoto, Kagoshima 890-0065, Japan Sorbonne Université, CNRS, Laboratoire Physico-Chimie des Electrolytes et des Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France highlights graphical a bstract pAA-coated nanoparticle (CNP) was stably dispersed in a protic ionic liquid diethylethanolammonium triﬂuoromethanesulfonate. CNP dispersed when the degree of dissociation of pAA a was a < 0.1 or a > 0.7. CNP aggregation was swelling well and could be reversibly redispersed. ar ti c l e i nf o ab stra ct Article history: Hypothesis: Ionic liquids (ILs) are extremely concentrated electrolyte solutions. The ubiquitous presence Received 10 November 2017 of ions induces speciﬁc behaviors for chemical reactions compared to reactions in water solutions. This is Revised 30 December 2017 also the case for the stability of colloidal dispersions, for which the DLVO model cannot be applied as the Accepted 2 January 2018 ionic strength
Journal of Colloid and Interface Science – Elsevier
Published: Apr 15, 2018
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