Silicon compounds as additives improving alkyd-based wood coatings performance

IRG/WP 10-40531

B Mazela, I Ratajczak, K Wichłacz-Szentner, P Hochmańska

The reactivity of cellulose with solvent-born alkyd-based wood coatings supplemented with organosilanes was analyzed. Structural analysis of cellulose subjected to the reaction with organosilanes and following extraction with water was performed using Fourier-transform infrared spectroscopy (FTIR). The analyzed IR spectra comprise bands 1250 cm-1 typical for the SiC group and 800 cm-1 typical for vibrations of SiC and/or SiO groups. The presence of these bands in the spectra proves the occurrence of a reaction between cellulose and organosilanes. Silicon concentration in cellulose was determined by AAS after the reaction with coating system after leaching.

Keywords: silicon compounds, coating, FTIR spectroscopy, atomic absorption spectrometry (AAS)

Conference: 10-05-09/13 Biarritz, France

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