期刊
CELLULOSE
卷 20, 期 6, 页码 3131-3141出版社
SPRINGER
DOI: 10.1007/s10570-013-0038-9
关键词
Coating; Wood; Alkoxysilanes; Hydrophobic barrier
资金
- The Provincia Autonoma di Trento (PAT, Italy)
This paper describes coatings on wood surfaces made by dipping the wood into solutions of different alkoxysilanes. The silanes used as precursors contain different organic groups [R'Si(OR'')]. These materials tend to deposit as inorganic-organic polymeric films, where the organic groups (aliphatic hydrocarbons, fluorinated hydrocarbons or aromatic substituents) show hydrophobic properties, which reduce the wettability of the surface. The effects of these treatments on the wood surface were extensively studied using various analytical techniques: scanning electron microscopy with energy dispersive X-ray spectrometry, Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, water contact angle measurements, and flame resistance tests. The resulting data show that the chemical treatment changes the wood's surface energy, reducing its wettability and reaction to fire. The main innovative finding of this research is that the coatings obtained from a cheaper precursor have a similar performance to that of the more expensive precursors normally used.
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