Mixed Langmuir monolayers of perfluorostearic acid and stearic acid studied by epifluorescence microscopy using fluorinated rhodamines and infrared reflection absorption spectroscopy (IRRAS)

Jbeily, Mark; Schwieger, Christian; Kreßler, Jörg

doi:10.1016/j.colsurfa.2017.06.004

Cited by 5 publications

(2 citation statements)

References 47 publications

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“…Figure 4 a shows the FT-IR spectra of the superhydrophobic surface and stearic acid. It can be seen from the figure that, after the modification of stearic acid, absorption peaks exist at the wavelengths of 2850 cm −1 and 2915 cm −1 corresponding to the symmetric and antisymmetric methylene stretching vibrations, respectively, and this indicates the presence of hydrophobic long-chain alkyl on the sample surface [ 40 , 41 , 42 ]. Results demonstrate that stearic acid has been successfully bonded to the surface of the magnesium alloy substrate.…”

Section: Resultsmentioning

confidence: 99%

A Facile Method to Prepare a Superhydrophobic Magnesium Alloy Surface

Zhu

Jia

2020

Materials

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The application of superhydrophobic materials has been handicapped by complex processes and poor environmental friendliness. Magnesium alloys are widely used in daily production due to their low density and good casting properties. A facile and environmentally friendly method was proposed to prepare a superhydrophobic layer with coral-like microstructure on the surface of AZ91D magnesium alloy by high temperature heating. The prepared superhydrophobic surface has a contact angle of 159.1° and a rolling angle of 4.8°. The corrosion current of superhydrophobic surface has been reduced by about two orders of magnitude relative to the magnesium alloy substrate and its inhibition efficiency is 96.94%, which demonstrates its great corrosion resistance. In addition, the superhydrophobic surface has great thermal stability. When the temperature rises to 190 °C, the contact is still above 150°. Excellent self-cleaning and advantages in preparation efficiency, environmental protection and cost-effectiveness will boost its good application prospects.

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Section: Resultsmentioning

confidence: 99%

A Facile Method to Prepare a Superhydrophobic Magnesium Alloy Surface

Zhu

Jia

2020

Materials

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“…Without deep investigation of these systems, one cannot exactly predict the behavior. This question has recently been investigated within numerous experiments and simulations, and it is extensively studied within this project [ 13 , 14 , 29 , 30 , 31 , 32 ].…”

Section: Introductionmentioning

confidence: 99%

Polyphilic Interactions as Structural Driving Force Investigated by Molecular Dynamics Simulation (Project 7)

2017

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Abstract:We investigated the effect of fluorinated molecules on dipalmitoylphosphatidylcholine (DPPC) bilayers by force-field molecular dynamics simulations. In the first step, we developed all-atom force-field parameters for additive molecules in membranes to enable an accurate description of those systems. On the basis of this force field, we performed extensive simulations of various bilayer systems containing different additives. The additive molecules were chosen to be of different size and shape, and they included small molecules such as perfluorinated alcohols, but also more complex molecules. From these simulations, we investigated the structural and dynamic effects of the additives on the membrane properties, as well as the behavior of the additive molecules themselves. Our results are in good agreement with other theoretical and experimental studies, and they contribute to a microscopic understanding of interactions, which might be used to specifically tune membrane properties by additives in the future.

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Langmuir film formation of amphiphilic hybrid block copolymers based on poly(ethylene glycol) and poly(methacrylo polyhedral oligomeric silsesquioxane)

Hasan

Ullah

et al. 2019

Colloid Polym Sci

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Mixed Langmuir monolayers of perfluorostearic acid and stearic acid studied by epifluorescence microscopy using fluorinated rhodamines and infrared reflection absorption spectroscopy (IRRAS)

Cited by 5 publications

References 47 publications

A Facile Method to Prepare a Superhydrophobic Magnesium Alloy Surface

A Facile Method to Prepare a Superhydrophobic Magnesium Alloy Surface

Polyphilic Interactions as Structural Driving Force Investigated by Molecular Dynamics Simulation (Project 7)

Langmuir film formation of amphiphilic hybrid block copolymers based on poly(ethylene glycol) and poly(methacrylo polyhedral oligomeric silsesquioxane)

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