Adsorption and Micelle Formation of Mixed Surfactant Systems in Water. IV. Three Combinations of SDS with MEGA-8, -9 and -10

Ko, Jeong-Soo; Oh, Se-Woung; Kim, Yu Seung; Nakashima, Noriko; Nagadome, Shigemi; Sugihara, Gohsuke

doi:10.5650/jos.53.109

Cited by 62 publications

(33 citation statements)

References 20 publications

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“…The curve for CHAPS was obtained from several times repeated measurements. Generally speaking, CHAPS has led to the CMC values of the present mixed systems having a wider error margin than those obtained previously for SDS/MEGA-n's mixed systems 38) . MEGA-8 seems to contain more impurities than MEGA-9 and -10.…”

Section: (A) Mixed Micelle Formationcontrasting

confidence: 42%

“…All the materials used for this series work have been described in terms of their sources and purities in the respective reports [35][36][37][38][39][40] . It may be worth noting the surface tension measurements even in the present review paper.…”

Section: Methodsmentioning

confidence: 99%

“…4 cm perimeter) with a Dataphysics DCAT 11 tensiometer connected to a water circulator (HAAKE B3) was also applied in a few cases 38,40) . Other methods such as electro conductivity measurements applied to ionic surfactants solutions are noted in each paper in point.…”

Section: Methodsmentioning

confidence: 99%

“…Previously, we have reported some studies performed by means of surface tension measurements as a series of works, i.e., adsorption and micelle formation of mixed surfactant systems in water I: a combination of top-heavy type anionic surfactants 35) , II: a combination of cationic Gemini-type surfactant with MEGA-10 36) , III: a comparison between cationic Gemini/cationic and cationic Gemini/ nonionic combinations 37) , and IV: three combinations of one of the most typical anionic surfactant, sodium dodecylsulfate (SDS) with MEGA-8, -9 and -10 (MEGA-n's) 38) , in addition to three combinations of zwitterionic surfactant, 3-[(3-cholamidopropyl)dimethylammonio]propanesulfonic acid (CHAPS) which is a derivative of cholic acid in pH 7.2 phosphate buffer solution. These works have followed the previous surface tension study on binary mixed systems of…”

Section: G Sugihara S Nagadome S-w Oh and J-s Komentioning

confidence: 99%

“…Based on RST, the activity coefficients f 1 and f 2 are given as: ( ) where w A corresponds to the interaction parameter. From analogy with the derivation of Rubingh's equations 11,38) , we obtained the following equations 29) .…”

mentioning

confidence: 99%

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Section: (A) Mixed Micelle Formationcontrasting

confidence: 42%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: G Sugihara S Nagadome S-w Oh and J-s Komentioning

confidence: 99%

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Studies on the Middle‐phase Microemulsion of Lauric‐N‐methylglucamide

Yang

Gao

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et al. 2007

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The phase behaviour of the middle‐phase microemulsion for the quaternary system lauric‐N‐methylglucamide (MEGA‐12)/n‐butanol/alkane/water has been studied with Winsor type, δ‐γ fishlike and novel ε‐β fishlike phase diagrams. A series of phase inversions Winsor I ($\underline {2}$)→III (3)→II ($\overline {2}$) were observed for the three kinds of phase diagrams. The phase types, the phase volumes and the range of alcohol concentrations from the beginning to the end of the middle‐phase microemulsion were obtained from Winsor phase diagram. From δ‐γ fishlike phase diagram, the physicochemical parameters, such as the mass fraction of n‐butanol in the hydrophile‐lipophile balanced interfacial layer, AS, the coordinates of the start and end points of the middle‐phase microemulsion, and the solubilities of MEGA‐12 and n‐butanol in alkane phase were calculated. The novel ε‐β fishlike phase diagram was also presented. From this kind of diagram, the above experimental phenomena were observed and the physicochemical parameters were calculated precisely. The novel fishlike phase diagram has advantages over the Winsor and δ‐γ fishlike phase diagrams in the evaluation of the solubilization power of the microemulsion and calculation of the related physicochemical parameters.

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Adsorption and Micelle Formation of Mixed Surfactant Systems in Water. IV. Three Combinations of SDS with MEGA-8, -9 and -10

Cited by 62 publications

References 20 publications

A Review of Recent Studies on Aqueous Binary Mixed Surfactant Systems

A Review of Recent Studies on Aqueous Binary Mixed Surfactant Systems

Effect of Additives on Self‐Association and Clouding Phenomena of Various Surface‐Active Drugs

Studies on the Middle‐phase Microemulsion of Lauric‐N‐methylglucamide

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