Low bioaccumulative materials for parahygrophobic nanosheets with sticking behaviour

El‐Maiss, Janwa; Darmanin, Thierry; Guittard, Frédéric

doi:10.1016/j.jcis.2014.10.016

Cited by 19 publications

(21 citation statements)

References 59 publications

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“…[22][23][24][25] Very recently, superoleophobic properties were obtained using polar amide linker, which are both hydrophilic and oleophobic. [ 26 ] These properties were obtained only with nanofi bers as surface morphology.…”

Section: Introductionmentioning

confidence: 99%

Highly Polar Linkers (Urea, Carbamate, Thiocarbamate) for Superoleophobic/Superhydrophobic or Oleophobic/Hydrophilic Properties

Darmanin

Guittard

2015

Adv Materials Inter

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Due to the much lower surface tension of oils in comparison to water, it is extremely difficult to obtain superoleophobic properties and also both oleophobic and hydrophilic properties. While the obtaining of superoleophobic properties needs extremely complex surface structures such as reentrant structures to impede the oil wetting, the obtaining of both oleophobic and hydrophilic properties needs the use of both oleophobic materials (fluorinated materials) and hydrophilic materials (charged or polar species). Here, by electropolymerization of original 3,4‐ethylenedioxythiophene derivatives containing both fluorinated chains (C8F17, C6F13, or C4F9) and highly polar linkers (thiocarbamate SCONH, carbamate OCONH, and urea NHCONH), the possibility to obtain superoleophobic properties and also both oleophobic and hydrophilic properties is reported for the first time. More precisely superoleophobic properties are obtained with different fluorinated chain lengths and linkers while the obtaining of both oleophobic and hydrophilic properties is possible only with the most polar urea NHCONH linkers.

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Section: Introductionmentioning

confidence: 99%

Highly Polar Linkers (Urea, Carbamate, Thiocarbamate) for Superoleophobic/Superhydrophobic or Oleophobic/Hydrophilic Properties

Darmanin

Guittard

2015

Adv Materials Inter

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“…For example, in the case of surfaces made by lithography, superoleophobic surfaces were fabricated by changing the classical crenelated surface morphology by a reentrant one. [16][17][18] Moreover, it is possible to introduce fluorinated chains to obtain sometimes surfaces with high oleophobic properties. Due to the possibility to control the surface morphology by several parameters such as electrochemical parameters or the monomer structure, 14,15 the electrodeposition of conducting polymers is a fascinating technique for superhydrophobic or superoleophobic properties.…”

Section: Introductionmentioning

confidence: 99%

Ante versus post-functionalization to control surface structures with superhydrophobic and superoleophobic properties

Godeau

Darmanin

2015

RSC Adv.

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Here, we report the first use of Staudinger-Vilarrasa reaction with perfluorinated surface modification. Based on a 3,4-ethylenedioxythiophene (EDOT) monomer bearing azido groups, we develop ante and post deposition strategies in order to prepare functionalized surfaces. The Staudinger-Vilarrasa reaction allows to reduce the azido groups into amine functions and the reaction with carboxylic acids leads to amide bounds. Here, the surfaces are investigated for their morphologies and surface properties depending on the side chain length and the modification strategy. This work shows that various wettability properties from hydrophobic to superhydrophobic or oleophilic to superoleophobic can be obtained depending on both modification strategy and nature of the side chain.

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“…For example, superhydrophobic properties were reported by using fluorinated or hydrocarbon chains . Parahydrophobic properties were also reported using substituents of lower hydrophobicity such as branched hydrocarbon chains or aromatic cycles …”

Section: Introductionmentioning

confidence: 99%

“…[35,36,38] Parahydrophobic properties were also reported using substituents of lower hydropho-bicity such as branched hydrocarbon chains or aromatic cycles. [39][40][41] In order to enhancet he surfacew ettability properties, textured substrates such as membranes and textile fabrics can be used. In particular, meshes are excellent candidates due to their homogeneity,t he possibility to easily vary the wire diameter and spacer, as wella st he presence of air between the wires, which is important in the Cassie-Baxtere quation.…”

Section: Introductionmentioning

confidence: 99%

Control over Water Adhesion on Nanostructured Parahydrophobic Films Using Mesh Substrates

et al. 2015

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Controlo ver water adhesion is extremely necessary for many applications in water harvesting, liquid transportation, and water/oil separation, for example. Inspiredb y natural speciess uch as rose petals and gecko feet, these properties can be controlled with the topography of surface structures. Here, we report for the first time the electrodeposition of sticking conductingp olymers forming nanofilaments or nanosheets on textured mesh substrates. We show that the presence of mesh textures can reduce the water adhesion,a lthough the adhesion still remains relativelyh igh. This is probably due to ah igh amount of air between the mesh wires and al ow amount of air on them. Moreover,i ti s also possible to control the water adhesion with the mesh openingo rb ym odifying the shape of the nanostructures. This work opens news trategies for the control of water adhesion.

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Low bioaccumulative materials for parahygrophobic nanosheets with sticking behaviour

Cited by 19 publications

References 59 publications

Highly Polar Linkers (Urea, Carbamate, Thiocarbamate) for Superoleophobic/Superhydrophobic or Oleophobic/Hydrophilic Properties

Highly Polar Linkers (Urea, Carbamate, Thiocarbamate) for Superoleophobic/Superhydrophobic or Oleophobic/Hydrophilic Properties

Ante versus post-functionalization to control surface structures with superhydrophobic and superoleophobic properties

Control over Water Adhesion on Nanostructured Parahydrophobic Films Using Mesh Substrates

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