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|Title:||Phase behavior of gemini surfactant hexylene-1,6-bis(dodecyldimethylammonium bromide) and polyelectrolyte NaPAA|
|Citation:||Pi, Y., Shang, Y., Peng, C., Liu, H., Hu, Y., Jiang, J. (2006-07-01). Phase behavior of gemini surfactant hexylene-1,6-bis(dodecyldimethylammonium bromide) and polyelectrolyte NaPAA. Journal of Colloid and Interface Science 299 (1) : 410-415. ScholarBank@NUS Repository.|
|Abstract:||The phase behavior of aqueous mixtures of gemini surfactant hexylene-1,6-bis(dodecyldimethylammonium bromide) (12-6-12) and oppositely charged polyelectrolyte sodium polyacrylate (NaPAA) has been studied experimentally. Compared to the mixtures of the traditional surfactant dodecyltrimethylammonium bromide (DTAB) and NaPAA, the gel phase region in the 12-6-12/NaPAA solution is larger. Element analysis reveals that NaPAA in the gel phase tends to replace the counterions of surfactant micelle and to release its own counterions. Spherical aggregates are observed in either top or bottom gel phase as detected by transmission electron microscopy. The addition of sodium bromide (NaBr) leads to a decrease in the gel phase region and the occurrence of a new cream phase. © 2006 Elsevier Inc. All rights reserved.|
|Source Title:||Journal of Colloid and Interface Science|
|Appears in Collections:||Staff Publications|
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