Transparent bamboo (TB) is a new type of biomass and light-transmitting material. However, due to the high density of bamboo, it is arduous for polymers to impregnate the bamboo, and the thickness of bamboo becomes a key factor limiting the development of transparent bamboo. Here, inspired by plywood, we report a multilayer transparent bamboo (MLTB). The aim of this experiment is to study the performance of MLTB under different lamination methods, including the influence of the number of layers and lamination direction. It was found that there were different effects caused by lamination combination on the optical and mechanical properties of MLTB. Meanwhile, the obvious anisotropy of TB is effectively improved due to the laminated structure. It was found that the mechanical and optical properties of MLTB can be effectively adjusted by different assembly methods. The obtained MLTB combines high strength, good hydrophobicity, unique texture appearance, high light transmittance, and excellent resistance to ultraviolet rays simultaneously. It has broad prospects for practical application in the fields of home decoration, construction, structural materials, etc.
In this experiment, a multilayer transparent wood with different surface and core layers of tree species was prepared, which has log color. The purpose is to explore the feasibility of preparing multilayer transparent wood from different tree species as raw materials. The experiment first removed partial lignin from the veneers to obtain the wood templates. Then, tree species with rich texture and color as the surface layer wood and tree species with less texture as the core and bottom wood were selected. Finally, the resin-impregnated wood templates were laminated and dried to obtain samples. The results show that wood fiber and resin have good coordination, and the laminated structure is conducive to weakening the anisotropy of transparent wood. Transparent wood has better mechanical property and hydrophobicity than original wood. The above shows that this transparent wood has a large elastic mechanism for the selection of tree species, and the thickness optics can be adjusted according to tree species and wood layers. It has good application prospects in interior decoration or as outdoor structural material.
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