Superhydrophilic Coating of Pine Wood by Plasma Functionalization of Self-Assembled Polystyrene Spheres

Self-assembling films typically used for colloidal lithography have been applied to pine wood substrates to change the surface wettability. Therefore, monodisperse polystyrene (PS) spheres have been deposited onto a rough pine wood substrate via dip coating. The resulting PS sphere film resembled a...

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Bibliographic Details
Published inCoatings (Basel) Vol. 11; no. 2; p. 114
Main Authors Dahle, Sebastian, Meuthen, John, Gustus, René, Prowald, Alexandra, Viöl, Wolfgang, Maus-Friedrichs, Wolfgang
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.02.2021
Subjects
Carbonyl groups
Carbonyls
Face centered cubic lattice
Hydrophobic surfaces
Immersion coating
Plasma etching
Polystyrene resins
Scanning electron microscopy
Self-assembly
Spectrum analysis
Substrates
Wettability
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Summary:Self-assembling films typically used for colloidal lithography have been applied to pine wood substrates to change the surface wettability. Therefore, monodisperse polystyrene (PS) spheres have been deposited onto a rough pine wood substrate via dip coating. The resulting PS sphere film resembled a polycrystalline face centered cubic (FCC)-like structure with typical domain sizes of 5–15 single spheres. This self-assembled coating was further functionalized via an O2 plasma. This plasma treatment strongly influenced the particle sizes in the outermost layer, and hydroxyl as well as carbonyl groups were introduced to the PS spheres’ surfaces, thus generating a superhydrophilic behavior.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings11020114