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闭环可回收的基于的纳米复合材料具有多功能性质和多功能可加工性.

Yi Hou1,2,3, Guangda Zhu1,2,3, Samantha O Catt2,3

  • 1Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|October 16, 2023
PubMed
概括

研究人员开发了基于的新型纳米复合材料,用于闭环回收利用,为石油塑料提供了可持续的替代品. 这些材料具有可扩展性,在室温下完全可逆性,并具有卓越的机械和功能性质.

关键词:
化学回收 化学回收 化学回收动态结合 动态结合机械性能 机械性能 机械性能有机-无机混合材料的混合材料.

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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:

  • 基于石油的塑料由于储量有限和回收能力差,造成环境和健康风险.
  • 目前用于塑料的化学回收方法通常需要大规模,恶劣的条件和高能量投入.
  • 现有的可回收聚合物通常以克尺度合成,这限制了它们的实际应用.

研究的目的:

  • 开发可扩展的,闭环可回收的基于的纳米复合材料.
  • 在室温下实现可逆聚合和脱聚合.
  • 创造一种可持续的替代石油塑料的替代品.

主要方法:

  • 用二甲基胺或乙烯基胺催化自由氨基基组进行聚合/脱聚合.
  • 基于二氧化的纳米复合材料的大规模合成.
  • 机械性质,导热性和阻燃性的表征.

主要成果:

  • 开发出基于二氧化的纳米复合材料,在室温下可逆聚合/脱聚合.
  • 实现了大规模生产能力.
  • 与PMMA,玻璃和ZrO2.2相比,表现出更高的特定力学强度.
  • 证明了多功能性,包括防污染,低导热性和阻燃性.
  • 通过压缩成型和3D打印实现了可扩展的制造.

结论:

  • 基于的新型纳米复合材料为塑料回收提供了一个有希望的,与石油无关的解决方案.
  • 这些材料具有出色的机械和功能性质,适合各种应用.
  • 该开发有助于材料循环经济.