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Transformation of Buxus sinica into high-quality biocomposites via an innovative and environmentally-friendly physical approach by Yang Yang; Yi Ren; Shengbo Ge; Haoran Ye; Yang Shi; Changlei Xia; Yequan Sheng; Zhongfeng Zhang is a Materials Science article available to read on EtoBox.

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There are abundant shrub species resources in the world, but their natural defects such as short growth cycle, loose material, easy cracking plus deformation, and low strength have seriously affected their scope of application. With the ever-decreasing of natural forest resources, the research on quality improvement and efficiency enhancement of small-diameter timber of artificial shrub represents a promising effort in global continual advancement. In this study, an innovative and environmentally-friendly approach was developed to produce high-quality biocomposites from Buxus sinica. Pretreatment of Buxus sinica in an alkaline sodium sulfite solution had degraded part of the amorphous structure from the cell walls. The fiber cell walls collapsed completely in further thermoforming, resulting in a closer alignment of the fiber filaments before the formation of high-strength physical and chemical bonding, expanded crystalline regions, and enhanced dimensional stability. The resulted biocomposites show higher ultimate tensile strength (5.31 times) and ultimate flexural strength (5.22 times) than that of Buxus sinica. In addition, the preparation method also endows the biocomposites wi

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Author

Yang Yang; Yi Ren; Shengbo Ge; Haoran Ye; Yang Shi; Changlei Xia; Yequan Sheng; Zhongfeng Zhang

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Materials Science (Physical Sciences)