Surface functionalization of ceramic membranes with 3-aminopropyl groups using the sol-gel method

V. V. Tomina, N. V. Stolyarchuk, I. V. Melnyk, Viktor Kochkodan, Yu L. Zub, A. Chodosovskaja, A. Kareiva

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Planar ceramic Al2O3 membranes were functionalized with polysiloxane and polysilsesquioxane layers containing 3-aminopropyl groups using the sol-gel method. SEM images show the formation of polysiloxane or polysilsesquioxane layers on the membrane surfaces with the thickness of 0.35 and 4.4 nm, respectively. Infrared spectroscopy data confirmed the presence of the polysiloxane network and functional groups introduced during the synthesis. Measurements of the contact angles on the membrane surfaces showed that the hydrophilicity of the active layer is practically independent of the type of the structuring agent (tetraethoxysilane or 1,2-bis(triethoxysilyl)ethane), and the introduction of the methyl groups increases the hydrophobicity of the surface layer. According to the filtration studies, all functionalized membranes are capable of retaining Cu(II) ions during filtration of diluted solutions due to the complexation of the amino groups in the selective layer with these ions.

Original languageEnglish
Pages (from-to)55-60
Number of pages6
JournalProtection of Metals and Physical Chemistry of Surfaces
Volume52
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

Fingerprint

Siloxanes
Ceramic membranes
Silicones
Sol-gel process
Membranes
Ions
Hydrophilicity
Hydrophobicity
Ethane
Complexation
Functional groups
Contact angle
Infrared spectroscopy
Scanning electron microscopy
Polymers
polysilsesquioxane

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Metals and Alloys
  • Surfaces, Coatings and Films

Cite this

Surface functionalization of ceramic membranes with 3-aminopropyl groups using the sol-gel method. / Tomina, V. V.; Stolyarchuk, N. V.; Melnyk, I. V.; Kochkodan, Viktor; Zub, Yu L.; Chodosovskaja, A.; Kareiva, A.

In: Protection of Metals and Physical Chemistry of Surfaces, Vol. 52, No. 1, 01.01.2016, p. 55-60.

Research output: Contribution to journalArticle

Tomina, V. V. ; Stolyarchuk, N. V. ; Melnyk, I. V. ; Kochkodan, Viktor ; Zub, Yu L. ; Chodosovskaja, A. ; Kareiva, A. / Surface functionalization of ceramic membranes with 3-aminopropyl groups using the sol-gel method. In: Protection of Metals and Physical Chemistry of Surfaces. 2016 ; Vol. 52, No. 1. pp. 55-60.
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AU - Zub, Yu L.

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