A study on the correlation between flexibility and transmittance of polymer-wood composites
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초록
내용
In this study, wood which is indestructible and has flexible, and transparent properties was developed. A flexible and transparent wooden panel was fabricated by removing lignin (delignification) that absorbs light in the visible light region and filling the lignin-removed space with a mixture of polyvinyl alcohol (PVA), which provides transparency, and a low molecular weight compound, which provides flexibility. The delignification process, the infiltration of the polymer mixture, the internal structures, the optical transmittance, and the flexibility of the wood samples were measured and investigated. The analyzed results showed high optical transmittance of 65.8% at 550nm wavelength when impregnated only with PVA, while the transmittance decreased to around 10% as the mixed amount of low-molecular compounds increased, but the flexibility was greatly improved. Based on these results, it is considered that higher flexible and transparent wood will be a useful material to replace fragile glass material in the future.