生态友好的软木-聚氨生物复合材料,以提高冲击性能:实验和数值分析
Mateusz Dymek1, Mariusz Ptak1, Paweł Kaczyński1
1Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 7/9, 50-371 Wroclaw, Poland.
Polymers
|April 13, 2024
概括
这项研究使用废食用油开发了环保的软木生物复合材料. 这些材料显示出吸收冲击的潜力,有可能在各种行业中取代石化产品.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续工程 可持续工程
- 聚合物化学 聚合物化学
背景情况:
- 软木复合材料来自葡萄酒塞副产品,具有独特的特性,如低密度和高强度.
- 目前的软木复合材料通常使用石油化学来源的聚氨矩阵.
- 在材料制造中越来越需要可持续的替代品.
研究的目的:
- 开发环保的多孔聚氨生物复合材料,使用用软木修饰的废食用油聚合物.
- 调查这些新型生物复合材料的冲击吸收和防撞能力.
- 为了验证一个有限元模型来模拟软木复合材料的冲击行为.
主要方法:
- 制造聚氨生物复合材料,使用废食用油改性软木.
- 制造样品进行100 J冲击负荷测试以评估耐撞性.
- 开发和验证一个有限元数值模型来模拟冲击下的复合材料压缩.
主要成果:
- 在石化聚合物复合材料中,用3%的软木添加物 (天然或改性) 实现了最高的特定吸收能量.
- 有限元模型成功模拟并验证了新复合材料的冲击行为.
- 证明了将废弃植物油成分纳入聚氨合成中的可行性.
结论:
- 环保的软木生物复合材料可以成功地使用废食用油聚合物制造.
- 这些生物复合材料对冲击冲击吸收应用具有潜力.
- 该研究强调了一条可行的途径,以减少对复合材料中石化物的依赖.
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