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Anti-scaling properties of a SLIPS material prepared by silicon oil infusion in porous polyaniline obtained by electropolymerization

Sousa, M.F.B. ; Barbosa, G.F. ; Signorelli, F. ; Bertran, C.A.

Surface & coatings technology, 2017-09, Vol.325, p.58-64 [Periódico revisado por pares]

Lausanne: Elsevier B.V

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  • Título:
    Anti-scaling properties of a SLIPS material prepared by silicon oil infusion in porous polyaniline obtained by electropolymerization
  • Autor: Sousa, M.F.B. ; Barbosa, G.F. ; Signorelli, F. ; Bertran, C.A.
  • Assuntos: Aniline ; Anti-scaling surface ; Avionics ; Cleaning ; Electropolymerization ; Lubricants & lubrication ; Modified polyaniline ; Morphology ; Natural gas ; Polyanilines ; Polymerization ; Properties (attributes) ; Saline water ; Scaling ; Scanning electron microscopy ; Silicon ; SLIPS ; Studies
  • É parte de: Surface & coatings technology, 2017-09, Vol.325, p.58-64
  • Descrição: Surfaces termed SLIPS (Slippery Liquid-Infused Porous Surface) present quite singular properties, for instance, self-healing and self-cleaning, which make them very promising for a broad range of applications in so diverse fields such as medical, avionic, oil and gas industries, among others. Considering that scaling is a crucial problem in many industrial facilities in this work the anti-scaling ability of one SLIPS was evaluated. This SLIPS was prepared by infusion of silicon oil into porous electropolymerized and silanized polyaniline. Aniline electropolymerization produced a coating with a textured morphology that was then modified by silanization to allow a complete wetting by the silicon oil used to impregnate the textured surface and avoid its leakage during the scaling and cleaning stages. This material, termed E-PANI3-S, was submitted to scaling test by immersion into a brine with a composition similar to the formation water found in some oil wells and was assessed by scanning electronic microscopy (SEM), showing clear anti-scaling properties. •SLIPS (Slippery Liquid-Infused Porous Surfaces) are based on a lubricant liquid trapped inside a porous surface.•Efficient SLIPS for scale inhibition require hierarchical porous and rough substrate.•The SLIPS coating produced from the porous E-PANI3, named E-PANI3-S, was efficient to inhibit scale formation.•The silicon oil was able to spread on the micro-textured silanized-E-PANI increasing its energy barrier for scale formation.•Electropolimerized PANI is a good model for the study of the effect of the substrate on the SLIPS preparation.
  • Editor: Lausanne: Elsevier B.V
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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