Water sorption ability of acetylated wood assessed by mid infrared - - PowerPoint PPT Presentation

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Water sorption ability of acetylated wood assessed by mid infrared - - PowerPoint PPT Presentation

Water sorption ability of acetylated wood assessed by mid infrared spectroscopy Maria-Cristina Popescu, Carmen-Mihaela Popescu Petru Poni Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania The purpose of this study was the


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Water sorption ability of acetylated wood assessed by mid infrared spectroscopy

Maria-Cristina Popescu, Carmen-Mihaela Popescu Petru Poni Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania

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Samples WPG % Reference Acetylated 4 8 13 17

The purpose of this study was the evaluation of the interactions that appear between water molecules and chemically modified wood structure and the mechanism of adsorption

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water by mid infrared spectroscopy.

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Pine wood samples

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dimension 20x20x5 mm3 (radial x tangential x longitudinal) were used for the experiments. The samples were kept at different RH values for 48h.

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2nd derivative spectra in 3700-2750 cm-1 region 2nd derivative spectra in 1690-1520 cm-1 region

FTIR spectroscopy