相关实验视频
Updated: Jun 20, 2025

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Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
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为未来的绿色建筑提供动力:多功能紫外屏蔽透明木材
Yadong Yang1, Xinyi Liu1, Caichao Wan1
1College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, P. R. China.
ACS nano
|July 22, 2024
概括
这项研究引入了一种创新的方法,用于使用高压超临界CO2流体辅助浸来制造UV屏蔽透明木材 (TW). 由此产生的材料有效地阻断99.6%的UVA辐射,同时保持高可见光传输.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 绿色建筑材料 绿色建筑材料
背景情况:
- 室内紫外线损伤是一个经常被忽视的重要问题.
- 传统玻璃在紫外线过,耐用性和环境影响方面存在局限性.
- 透明木材 (TW) 具有UV屏蔽的潜力,但由于木材的固有特性,在平衡UV屏蔽与可见光传输方面面临挑战.
研究的目的:
- 开发一种有效的方法来制造紫外线屏蔽透明木材 (TW).
- 为了克服聚合物和纳米材料透到木结构中的挑战.
- 创建一种具有增强紫外线保护,能源效率和其他有益特性的新型建筑材料.
主要方法:
- 高压超临界CO2流体辅助浸 (HSCFI) 用于木材预处理和聚合物透.
- 超临界CO2预处理去除了水分和提取剂,木材的透率增加了52.4%.
- 甲基甲酸盐 (MMA) 单体和-氧化物纳米模块 (Ce-ZnO NRDs) 入了精炼木结构.
主要成果:
- 聚甲基甲酸 (PMMA) 的浸率从34.5%显著增加到59.1%.
- 制造的Ce-ZnO NRDs@TW实现了99.6%的UVA辐射阻塞,这是TW报告的最高水平.
- 保持了高可见光传输率 (83.2%),以及优异的节能,声音吸收和抗真菌性能.
结论:
- HSCFI是生产高性能紫外线屏蔽透明木材的有效技术.
- Ce-ZnO NRDs@TW 显示出优越的紫外线保护和可持续建筑应用的理想功能特性.
- 这种先进的透明木材材料对未来的绿色建筑创新有重大前景.
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