Chemical Modification of Poplar Wood with Benzophenone Tetracarboxylic Di Methacrylates
Öz
Aim of study: The aim of this study was to analyze the use of benzophenone tetracarboxylic di methacrylates material in wood modification process and the changes in poplar wood.
Material and methods: Poplar wood (Populus euramericana) was impregnated with the hydroxyethyl (or glycidyl) methacrylate esters of 3,3,4,4-benzophenone tetracarboxylic dianhydride. The liquid esters were obtained by reaction of BTDA with hydroxy ethyl (BTD-H) (or glycidyl, BTD-G) methacrylate. The wood-BTD-H (and BTD-G) interaction was confirmed by the characteristic signals in Fourier-transform infrared (FT-IR) spectroscopy. The decay resistance and physical behaviour of the modified wood was investigated.
Main results: The BDTA-H samples displayed less colour change than the BDTA-G samples. Before decay testing, mini-block samples were leached according to the European Committee for Standardization (EN 84 1997) standard, then control and modified samples were subjected to white-rot fungus (Trametes versicolor). Modification with BTD-G yielded a high improvement in decay resistance (68-72%).
Highlights: In the esterification of the chemical, it is benefited only from the sun's rays without the need for high temperature and pressure.
Anahtar Kelimeler
Polymer Degradation, Hydroxy Ethyl Methacrylate Ester, Wood Modification, FT-IR Spectra
Destekleyen Kurum
Kapadokya University Research Funds (#KÜN.2018-BAGP-001)
Kaynakça
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