环保,高性能纤维素纳米纤维-瓦尼林环氧纳米复合材料,具有出色的机械,隔热和UV屏蔽性能
Bijender Kumar1, Samia Adil1, Duc Hoa Pham1
1Creative Research Center for Nanocellulose Future Composites, Department of Mechanical Engineering, Inha University, 100, Inha-ro, Michuhol-gu, Incheon, 22212, South Korea.
Heliyon
|February 8, 2024
概括
开发环保纤维素纳米纤维 (CNF) 增强的素环氧 (VE) 纳米复合材料,为以石油为基础的材料提供了可持续的替代品. 这些生物基材料具有增强的机械强度,紫外线屏蔽和工业应用的隔热.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 纳米技术 纳米技术
背景情况:
- 越来越多的人对可持续的,基于生物的替代品的需求,以石油衍生材料.
- 需要用于工业用途的高性能天然纤维增强环氧纳米复合材料.
- 开发环保材料对于环境可持续性至关重要.
研究的目的:
- 开发一种使用纤维素纳米纤维 (CNF) 和素衍生的烯酸环氧 (VE) 的环保纳米复合材料.
- 研究CNF结合对基于VE的纳米复合材料的机械,热和光学性能的影响.
- 探索这些纳米复合材料作为建筑材料的潜力.
主要方法:
- 通过在现场反应制造CNF-VE纳米复合材料,通过分散CNF在VE单体和4,4′-二氨基甲 (DDM) 加固剂中.
- 评估机械性能 (抗拉强度,应变破裂),隔热,可湿性,耐化学物质和光学性能.
- 在VE矩阵内分析CNF分散和共价交联.
主要成果:
- 在分散良好的CNF-VE纳米复合材料中,实现了高抗拉强度 (∼127.78MPa) 和应变折叠率 (∼16.49%).
- 呈现出显著的紫外线屏蔽性能和度 (∼50%).
- 与玻璃相比,体现了较低的导热率 (0.26 Wm-1K-1),表明了良好的隔热.
结论:
- 在现场加载CNF促进共价交联和均分散,增强机械性能.
- 开发的CNF-VE纳米复合材料是一种高性能,环保的材料,在建筑材料中具有潜在的应用.
- 这种生物基环氧纳米复合材料作为可持续材料开发的多功能平台.
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