Simple method of fabrication of hydrophobic coatings for polyurethanes

• Authors: Beata Butruk , Paulina Ziętek , Tomasz Ciach
• Languages of publication: EN

Abstracts

EN

The aim of this study was to develop a method of manufacturing versatile hydrophobic coatings for polymers. Authors present a simple technique of polyurethane (PU) surface modification with covalently attached silicones (PDMS) or fluorocarbons (PFC). Diisocyanates were applied as linker molecules. The obtained coatings were characterized using spectroscopic analysis (FTIR), scanning acoustic microscopy (SAM) and water contact angle measurements. FTIR analysis revealed high efficiency of grafting reaction. The results of contact angle measurement indicated significant increase of hydrophobicity - from 66° (unmodified PU) to 113° (PU grafted with PDMS) and 118° (PU grafted with PFC). Acoustic microscopy analysis confirmed satisfactory homogeneity and smoothness of the fabricated layers. In vitro cell tests revealed non-adherent properties of the surfaces. Both, MTT assay and fluorescence staining confirmed non-cytotoxicity of the coatings, which makes them potential candidates for use in biomedical applications. [...]

Keywords

EN

Hydrophobic coatings; Surface modification; Perfluorocarbons; Silicones

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2011
• Volume: 9
• Issue: 6
• Pages: 1039-1045

Dates

published

1 - 12 - 2011

online

27 - 9 - 2011

Contributors

author

Beata Butruk

• Faculty of Chemical and Process Engineering, Warsaw University of Technology, 00-645, Warsaw, Poland

author

Paulina Ziętek

• Faculty of Chemical and Process Engineering, Warsaw University of Technology, 00-645, Warsaw, Poland

author

Tomasz Ciach

• Faculty of Chemical and Process Engineering, Warsaw University of Technology, 00-645, Warsaw, Poland

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Identifiers

DOI

10.2478/s11532-011-0094-7