Interfacial dynamic and dilational rheology of polyelectrolyte/surfactant two-component nanoparticle systems at air–water interface

Tong, Lingyun; Bao, Mutai; Li, Y.M.; Gong, Houkui

doi:10.1016/j.apsusc.2014.07.186

Cited by 18 publications

(11 citation statements)

References 52 publications

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“…According to Ref. [7], the lower the slope, the more elastic the film appears. The proportion of elasticity is reduced, and the modulus.…”

Section: Frequency Dependence Of the Surface Dilational Propertiesmentioning

confidence: 99%

“…When there is no relaxation processes affecting the expansion modulus, h is equal to 0, and the surface layer behaves as a purely elastic membrane. When the phase of interfacial tension oscillation is ahead of that of interface area oscillation, the value of the phase angle is positive; otherwise, the value of the phase angle is negative [7].…”

Section: Determination Of Interfacial Dilational Viscoelasticitymentioning

confidence: 99%

“…The dilational elasticity peaks at 2 9 10 -3 mol L -1 , which is less than the CMC values for DTAB (1.6 9 10 -2mol L -1 ). In general, an increase in bulk concentration has two effects on the dilational elasticity [7]. First, increasing surface concentration will induce a higher interfacial tension gradient of interface deformation, thereby increasing the dilational elasticity.…”

Section: Concentration Dependence Of the Interfacial Dilational Propementioning

confidence: 99%

“…The dilational elasticity peaks at 2 9 10 -6 mol L -1 , which is less than the CMC value for SGS (2.0 9 10 -5 mol L -1 ). In general, increasing bulk concentration has two effects on the dilational elasticity [7].…”

Section: Concentration Dependence Of the Interfacial Dilational Propementioning

confidence: 99%

“…Dilational interfacial rheology measurements can provide more information about the microcosmic processes of the adsorbed layer [6]. Moreover, this information is beneficial to elaborate the interaction mechanism of adsorbed molecules at the interface [7].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Interfacial Dynamic Properties and Dilational Rheology of Sulfonate Gemini Surfactant and its Mixtures with Quaternary Ammonium Bromides at the Air–Water Interface

Lai

Mei

Wang

et al. 2017

J Surfact & Detergents

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The dynamic interfacial properties and dilational rheology of gemini sulfonate surfactant (SGS) and its mixtures with quaternary ammonium bromides (DTAB, CTAB) at the air-water interface were investigated using drop shape analysis. Results suggest that the adsorption process of these surfactants is diffusion-controlled at dilute concentrations, whereas the adsorption mechanism gradually shifts to a mixed kinetic-diffusion control with increasing surfactant concentration. The mixed surfactant system possesses the best surface activity when the molar ratios of SGS/DTAB and SGS/CTAB mixtures are 9:10. The formation of catanionic complexes shields the electrostatic repulsion between surfactant molecules and lowers the electrostatic adsorption barrier. Therefore, SGS/ DTAB and SGS/CTAB mixtures exhibit higher adsorption rates than either component alone. The effects of oscillating frequency and surfactant concentration on the surface dilational properties of SGS, DTAB, CTAB, SGS/DTAB, and SGS/CTAB mixtures were also determined. As the oscillating frequency increases, the dilational elasticity of these surfactants gradually increases. The dilational elasticity peaks at a certain concentration, which is less than the critical micelle concentration (CMC). Results show that the dilational elasticity of SGS/DTAB and SGS/CTAB mixtures is higher than that of either component, resulting from the formation of a denser monomolecular adsorption layer at the air-water interface. Our study provides a basis for understanding the interaction mechanism of catanionic surfactant mixtures containing Gemini surfactant at the airwater interface.Keywords Dynamic surface tension Á Dilational rheology Á Sulfonate Gemini surfactant Á Air-water interface Á Catanionic surfactant mixture Electronic supplementary material The online version of this article (

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“…According to Ref. [7], the lower the slope, the more elastic the film appears. The proportion of elasticity is reduced, and the modulus.…”

Section: Frequency Dependence Of the Surface Dilational Propertiesmentioning

confidence: 99%

Section: Determination Of Interfacial Dilational Viscoelasticitymentioning

confidence: 99%

Section: Concentration Dependence Of the Interfacial Dilational Propementioning

confidence: 99%

Section: Concentration Dependence Of the Interfacial Dilational Propementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Interfacial Dynamic Properties and Dilational Rheology of Sulfonate Gemini Surfactant and its Mixtures with Quaternary Ammonium Bromides at the Air–Water Interface

Lai

Mei

Wang

et al. 2017

J Surfact & Detergents

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Aggregation behavior of star-shaped fluoropolymers containing polyhedral oligomeric silsesquioxane (POSS) at the air–water interface

Guan

et al. 2016

Colloid Polym Sci

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Surface Dilatational Rheology of Carboxyl-Containing Dimethylsiloxane Oligomers in Langmuir Films at the Air-Water Interface

Malakhova¹,

Stupnikov

Белоусов

2021

BioNanoSci.

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Interfacial dynamic and dilational rheology of polyelectrolyte/surfactant two-component nanoparticle systems at air–water interface

Cited by 18 publications

References 52 publications

Interfacial Dynamic Properties and Dilational Rheology of Sulfonate Gemini Surfactant and its Mixtures with Quaternary Ammonium Bromides at the Air–Water Interface

Interfacial Dynamic Properties and Dilational Rheology of Sulfonate Gemini Surfactant and its Mixtures with Quaternary Ammonium Bromides at the Air–Water Interface

Aggregation behavior of star-shaped fluoropolymers containing polyhedral oligomeric silsesquioxane (POSS) at the air–water interface

Surface Dilatational Rheology of Carboxyl-Containing Dimethylsiloxane Oligomers in Langmuir Films at the Air-Water Interface

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