Dimeric surfactants: First synthesis of an asymmetrical gemini compound

Renouf, Philippe; Mioskowski, Charles; Lebeau, Luc; Hébrault, Dominique; Desmurs, Jean‐Roger

doi:10.1016/s0040-4039(97)10835-8

Cited by 48 publications

(23 citation statements)

References 25 publications

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“…The maximum surface excess, Γ max , at the air-solution interface is calculated by applying the Gibbs adsorption isotherm equation [23].…”

Section: Behavior At the Air-water Interfacementioning

confidence: 99%

“…However, new classes of gemini surfactants have emerged and have attractive attention: dissymmetric gemini surfactants with hydrocarbon chains of different length and with two identical head groups [21][22][23][24][25][26][27][28] and asymmetric ones with two identical hydrocarbon chains and two different hydrophilic head groups [29][30][31][32][33][34]. The research on asymmetric gemini surfactant was less documented.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and aqueous solution properties of homologous gemini surfactants with different head groups

et al. 2007

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A series of homologous gemini surfactants possessing identical hydrophobic chains but different ionic head groups (cationic, anionic, zwitterionic) were synthesized, and their aqueous solution properties were examined. The results showed that the surface activities of gemini surfactants are superior to those of corresponding conventional monomeric surfactants, and molecular arrangements of gemini surfactants at the air-water interface are tighter than those of corresponding conventional surfactants. It was also found that zwitterionic gemini surfactant possesses the highest surface activity among the three surfactants. The behavior at the air-water interface is closely related to the molecular structural features of surfactants, which provide an indication for synthesizing highly-efficient surfactants.

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“…The maximum surface excess, Γ max , at the air-solution interface is calculated by applying the Gibbs adsorption isotherm equation [23].…”

Section: Behavior At the Air-water Interfacementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and aqueous solution properties of homologous gemini surfactants with different head groups

et al. 2007

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“…d) Zwar ist die Mehrzahl der Gemini-Tenside aus zwei identischen polaren Gruppen und zwei identischen Ketten aufgebaut, doch sind auch unsymmetrische Gemini-Tenside bekannt. [15,19] e) ¹Gemini-Tensideª mit drei oder mehr polaren Gruppen oder Ketten sind ebenfalls hergestellt worden. [20±23] Ein kurzer Blick auf Schema 1 macht deutlich, wie die Kolloidchemie, die lange auf konventionelle und kommerziell erhältliche Tenside beschränkt war, angesichts dieser belebenden, neuen Möglichkeiten ihre Perspektiven erweitern konnte.…”

Section: Strukturunclassified

Gemini-Tenside

Menger

Keiper

2000

Angewandte Chemie

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“…In recent years, new classes of gemini surfactants have emerged and have attracted attention: dissymmetric gemini surfactants with two hydrocarbon chains of different length and with two identical head groups (17)(18)(19)(20) and asymmetric ones with two identical hydrocarbon chains and two different hydrophilic head groups (21). These gemini surfactants offer additional ways to control the shape of surfactant assemblies by varying the difference in the length of the hydrocarbon chains or the nature of the head groups.…”

Section: Introductionmentioning

confidence: 99%