在帕拉芬作为风湿学修饰剂的存在下,消费后聚烯的大规模兼容性
Anurag Ganapathi1, Rishi Sharma1, Mohamed A Abdelwahab1
1School of Packaging, Michigan State University, East Lansing, Michigan 48824-1223, United States.
ACS omega
|April 28, 2025
概括
这项研究成功地在50公斤尺度上使用石作为低成本的风湿学修饰剂,使后消费聚烯 (r-PO) 兼容. 这一进步提高了塑料回收的可行性和回收聚烯的商业化潜力.
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
- 可持续的塑料 可持续的塑料
背景情况:
- 消费后聚烯 (r-POs) 占塑料垃圾的很大一部分.
- 有效的回收和高循环的r-POs对于环境可持续性至关重要.
研究的目的:
- 调查使用作为具有成本效益的风湿学修饰剂 (RMs) 的r-POs的大规模 (50公斤) 兼容性.
- 为了比较帕拉芬RMS与专门的RMS在增强r-PO属性的性能.
- 探索扩大兼容化过程的挑战和影响.
主要方法:
- 在50公斤尺度上对r-POs的兼容性测试,使用 styrene 块共聚合物和抛.
- 低成本的石墨烯与专业的RMS进行风湿修饰的比较.
- 机械性能和融化流量指数 (MFI) 在不同尺度 (10 g至50 kg) 的评估.
- 对用r-PO.混合的抛水的混合方法的研究.
主要成果:
- 帕拉芬有效地改变了r-POs的风质,提高了化流量指数 (MFI).
- 兼容性改善了回收聚烯的机械性能.
- 将该过程从10克缩放到50公斤提出了挑战,但成功验证.
- 混合帕拉芬的方法显著影响了MFI和机械性能.
结论:
- 帕拉芬提供了一个可行的,低成本的替代方案,专门的RMS适合在工业规模的r-POs.
- 成功的大规模兼容表明了回收聚烯商业化的途径.
- 优化混合方法是最大限度地利用在r-PO回收利用中的RMs的好处的关键.
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