来自废弃物聚烯的可持续复合材料添加了热阻复合材料废弃物或回收碳纤维
Ehsan Zolfaghari1, Giulia Infurna1, Sabina Alessi1
1Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze, ed. 6, 90128 Palermo, Italy.
Polymers
|October 26, 2024
概括
本研究探讨使用工业废物,废弃聚烯 (wPP) 和碳纤维增强环氧复合材料废料 (pCFRC/rCF),以创建新的热塑性复合材料. 回收碳纤维 (rCF) 在wPP中表现出比pCFRC更好的强化效应.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 可持续工程 可持续工程
背景情况:
- 增加资源消耗需要向循环经济转变.
- 工业废物流提供了材料回收和再利用的潜力.
- 从废物中开发新型复合材料符合可持续发展目标.
研究的目的:
- 从废弃的聚烯 (wPP) 和碳纤维增强的环氧复合材料废料生产热塑性复合材料.
- 调查加工复合废料 (pCFRC) 和回收碳纤维 (rCF) 在wPP中作为增强剂的使用情况.
- 评估产生的wPP复合材料的形态,热行为,可加工性和机械性能.
主要方法:
- 工业废物材料 (wPP,环氧复合废料) 是采购的.
- 环氧复合废料被加工成粉末 (pCFRC) 或通过化学消化回收碳纤维 (rCF).
- pCFRC和rCF在不同比例下与wPP混合融化.
- 分析了形态学 (SEM),热性质 (DSC,TGA),质学和机械性质 (拉力测试).
主要成果:
- pCFRC和rCF都充当了wPP的增强填充剂,rCF产生了优异的结果.
- 由于环氧和碳纤维碎片,SEM分析显示了wPP/pCFRC复合材料的异质性.
- 热分析表明聚合物链的流动性受到限制,复合材料的柔性降低.
- 风病学研究评估了填充剂-矩阵相互作用和可加工性.
结论:
- pCFRC和rCF都是wPP的可行的增强填充剂,促进了材料循环.
- 与pCFRC相比,回收碳纤维 (rCF) 提供了更好的强化和更均的复合结构.
- 这些新型复合材料显示了通过注塑或压缩成型加工的潜力,有助于废物回收利用.
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