Effect of curing process on simulated antisoiling properties of sol-gel coating on pine sapwood

Juha Nikkola (Corresponding Author), Riitta Mahlberg, Juha Mannila, Saila Jämsä

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

Recently, inorganic–organic hybrid coatings produced by the sol–gel route have proven to be a potential protective treatment for wooden surfaces. In this study, the effect of curing process on simulated antisoiling properties of sol–gel coating was investigated. The sol–gel coating was spray-coated on pine sapwood and cured with different temperature and time combinations. The antisoiling properties were studied by measuring the water contact angle of the coating after different curing processes. In addition, abrasion resistance and contact angle of oleic acid were measured. An optical profilometer was used to investigate surface roughness of the coating. Sufficient hydro- and oleophobicity were obtained with all of the curing parameters. The comparison between curing parameters showed that lower temperature and 1–3 h curing time leads to significant improvement in the durability of the water and oil repellent properties of the coating.
Original languageEnglish
Pages (from-to)441-448
Number of pages8
JournalJournal of Coatings Technology and Research
Volume7
Issue number4
DOIs
Publication statusPublished - 2010
MoE publication typeA1 Journal article-refereed

Keywords

  • Antisoiling
  • Hybrid coating
  • Hydrophobicity
  • Oleophobicity
  • Pine sapwood
  • Sol-gel
  • Thermal curing

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