Effect of Oak Wood Modification on FTIR Crystallinity Indexes
DOI:
https://doi.org/10.5281/zenodo.10207867Keywords:
wood modification, crystallinity index, propionic anhydride, succinic anhydride, oak woodAbstract
Chemical modification of wood is one of the preservation methods that have been used for a long time to protect wooden materials against pests such as fungi and insects and to extend their service life. During the chemical modification of wood, there is a change in the structure of the wood due to the effects of chemicals and temperature. The cellulose molecule, which constitutes approximately half of wood or lignocellulosic materials, consists of an amorphous and crystalline structure. The crystal structure of cellulose varies depending on the type of plant it is obtained from, the age of the tree and the type of wood. In this study, oak wood was subjected to chemical modification with propionic anhydride and succinic anhydride in order to determine the effect of wood modification on FTIR crystallinity indexes. With propionic anhydride and succinic anhydride, the weight gains of wood were calculated as 4.47% and 38.08%, respectively. Crystallinity indexes were calculated by FTIR spectroscopy before and after the chemical modification of the wood. After the chemical modification process, changes in FTIR crystallinity indexes were observed. According to the FTIR crystallinity index results, the total crystallinity indexes increased.
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