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Wood has become one of the traditional building materials due to its strength, corrosion resistance, reproducibility, and low cost. A group of researchers led by Professor Lars Berglund of the Royal Institute of Technology (KTH) in Sweden recently obtained a kind of "transparent" wood by removing lignin from natural wood fiber, which is likely to become silica glass soon afterwards. alternatives.
To further increase the transparency of this material, researchers added polymethyl methacrylate (PMMA) to the material. This also changes the refractive index of the resulting mixture, increasing the transparency of the material. KTH researchers said that this method is particularly suitable for large-scale applications and mass production.
Berglund: "The renewability of this material makes it more attractive. It also provides excellent physical and mechanical properties, including good hardness, toughness, and low density and low thermal conductivity."
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