环境可持续的功能化WS2纳米颗粒作为Epoxy纳米复合材料中的治愈促进剂和接口修饰剂
Lyazzat Tastanova1, Amirbek Bekeshev2, Sultan Nurlybay1
1Oil and Gas Department, K. Zhubanov Aktobe Regional University, A. Moldagulova Ave. 34, Aktobe 030000, Kazakhstan.
Nanomaterials (Basel, Switzerland)
|August 13, 2025
概括
二硫化物 (WS2) 纳米粒子与氨基酸的表面功能化增强了环氧纳米复合材料的性能. 这种可持续的方法改善了分散,加速了固化,并提高了先进材料的机械强度.
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:
- 二硫化物 (WS2) 纳米粒子为增强环氧纳米复合材料提供了潜力.
- 表面修饰对于改善聚合物矩阵中的纳米粒子分散和界面粘附至关重要.
- 氨基酸 (甘氨酸) 为可持续的纳米填充器功能化提供了一个无毒的,基于生物的选择.
研究的目的:
- 研究氨基酸功能化对WS2纳米粒子的影响.
- 评估对环氧纳米复合材料的结构,固化和机械性能的影响.
- 探索一种可持续的方法来制造先进的纳米填充剂.
主要方法:
- 用氨基酸对WS2纳米颗粒的表面功能化.
- 使用FTIR,EDS和XRD进行表征,以确认功能化.
- 对固化行为 (开始温度,度) 和机械性能 (柔性,拉力,冲击) 的分析.
- 使用SEM进行微结构检查.
主要成果:
- 功能化增加了表面极性和亲和力,导致WS2的均分散.
- 固化初始温度从51°C降至43°C;聚合度从566 J/g增加到639 J/g.
- SEM揭示了曲的裂纹路径和塑性变形,表明增强的骨折抵抗力.
- 在屈曲强度,拉力强度,模量和冲击性方面观察到显著的改善.
结论:
- 用氨基酸修饰的WS2纳米颗粒在环氧复合材料中充当有效的纳米填充剂.
- 功能化增强了界面粘附,结构均性,并加速了固化.
- 这项研究表明了开发高性能环氧纳米复合材料的可持续途径,使用修改的2D纳米填充剂.
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