TY - JOUR
T1 - Supramolecular organization of protonated aminosilicones in water
AU - Petitjean, Hugo
AU - Guiglion, Pierre
AU - In, Martin
AU - Aldrich-Wright, Janice R.
AU - Castignolles, Patrice
AU - Ganachaud, François
AU - Gaborieau, Marianne
PY - 2013
Y1 - 2013
N2 - This study deals with the ionically-driven self-assembly of oligomeric aminosilicones, judiciously protonated with a variety of organic acids. Depending on the length of the silicone and the strength of the associated acids, (inverse) water-in-silicone emulsions, small nanoparticles, or catanionic vesicles were prepared and characterized by conventional (TEM) or original (DIC optical microscopy, DOSY NMR) techniques. For chains longer than about 40 units, a specific PEG-based sulfonic acid was synthesized and used to generate a supramolecular block-like copolymer and ensure fast and efficient emulsification. In all instances, a simple impulse such as pH increase triggered phase separation of the colloidal objects.
AB - This study deals with the ionically-driven self-assembly of oligomeric aminosilicones, judiciously protonated with a variety of organic acids. Depending on the length of the silicone and the strength of the associated acids, (inverse) water-in-silicone emulsions, small nanoparticles, or catanionic vesicles were prepared and characterized by conventional (TEM) or original (DIC optical microscopy, DOSY NMR) techniques. For chains longer than about 40 units, a specific PEG-based sulfonic acid was synthesized and used to generate a supramolecular block-like copolymer and ensure fast and efficient emulsification. In all instances, a simple impulse such as pH increase triggered phase separation of the colloidal objects.
UR - http://handle.uws.edu.au:8081/1959.7/530023
U2 - 10.1016/j.jcis.2013.07.010
DO - 10.1016/j.jcis.2013.07.010
M3 - Article
C2 - 23916158
SN - 0021-9797
VL - 408
SP - 87
EP - 93
JO - Journal of Colloid and Interface Science
JF - Journal of Colloid and Interface Science
ER -