耐冲击和耐热的环氧树脂,经过 Acacia 蜂蜜加固
Ivana Stajcic1, Filip Veljkovic1, Milos Petrovic2
1Department of Physical Chemistry, "Vinča" Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12-14, P.O. Box 522, 11001 Belgrade, Serbia.
Polymers
|May 27, 2023
概括
原木蜂蜜增强了环氧树脂,创造了一种具有优越热和冲击抵抗力的生物修饰材料. 这种新型聚合物能够承受多次冲击,与未经改性环氧不同,展示了其对先进应用的潜力.
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
背景情况:
- 高性能聚合物对于各种应用至关重要.
- 生物基调剂为材料增强提供了可持续的替代品.
- 环氧树脂被广泛使用,但可能缺乏足够的性和热稳定性.
研究的目的:
- 为了研究生蜜作为环氧树脂的生物修饰剂的使用.
- 评估蜂蜜修饰对环氧树脂结构,热和机械性能的影响.
- 开发一种新的,高性能环氧复合材料,具有增强的热和冲击阻力.
主要方法:
- 原木蜂蜜作为生物修饰剂被添加到环氧树脂中.
- 扫描电子显微镜 (SEM) 用于分析断裂表面和结构变化.
- 福利埃变换红外光谱法 (FTIR) 用于识别化学修饰.
- 差分扫描热度计 (DSC) 和热重度计分析 (TGA) 评估了热性质.
- 能量控制冲击测试评估了材料的性和抗冲击能力.
主要成果:
- SEM揭示了骨折表面的稳定,分离的相,有助于硬化.
- FTIR证实了新的化碳基组的形成,表明结构修改.
- 热分析显示,产品在高达600°C的温度下稳定,玻璃过渡温度为228°C.
- 用3%重量%的蜂蜜修饰的环氧体经受了多次冲击,完全恢复.
- 与未经修改的环氧相比,生物修改的环氧在第一次撞击时吸收的能量是未经修改的环氧的2.5倍.
结论:
- 原木蜂蜜有效地修改了环氧树脂,提高了其性能.
- 生物修饰的环氧体显著提高了热稳定性和抗冲击性.
- 这项研究提出了一种简单,可持续的方法,用于从自然资源中制造先进的环氧材料.
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