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首页> 外文期刊>Journal of Applied Polymer Science >Upcycling waste plastics into carbon nanomaterials: A review
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Upcycling waste plastics into carbon nanomaterials: A review

机译：将废塑料升级为碳纳米材料的评论

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摘要

Polymer production and utilization are currently widespread and have greatly improved people's standards of living. However, due to their stable and nonbiodegradable nature, postconsumer polymers pose challenging issues to the environment and ecosystems. Efforts are being made not only to contain the generation of polymer wastes and associated littering but, also, to find ways of utilizing them sustainably. Aside from mechanical recycling, which turns postconsumer polymers into new polymer products, and thermal recycling, which releases the thermal energy contained within waste plastics through combustion, chemical recycling converts waste polymers into feedstock for chemicals/materials/fuels production. This manuscript reviews prior work on a special application of the particular chemical recycling route that converts polymers into carbon-based nanomaterials. These materials feature extraordinary physical and chemical properties with tremendous applications potential. However, their production processes are both resource- and energy-intensive. Yet, by taking advantage of the high carbon content of waste polymers, as well as of their high energy content, a cost-effective, environmentally-friendly, and self-sustaining production of carbon nanomaterials can be achieved.
机译：聚合物的生产和利用目前很普遍，大大提高了人们的生活水平。然而，由于它们的稳定和不可生物降解的性质，消费后聚合物对环境和生态系统构成了具有挑战性的问题。人们不仅在努力抑制聚合物废物的产生和相关的乱抛垃圾，而且还在努力寻找可持续利用废物的方法。除了机械回收（将消费后的聚合物转变为新的聚合物产品）和热回收（通过燃烧释放废塑料中所含的热能）之外，化学回收还将废聚合物转化为用于化学/材料/燃料生产的原料。该手稿回顾了有关特殊化学回收途径的特殊应用的先前工作，该途径将聚合物转化为碳基纳米材料。这些材料具有非凡的物理和化学特性，具有巨大的应用潜力。但是，它们的生产过程都是资源和能源密集型的。然而，通过利用废聚合物的高碳含量以及它们的高能量含量，可以实现具有成本效益，环保和自持的碳纳米材料的生产。

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