Selective and Efficient Upcycling of Polyesters from Waste Plastic Blends Enabled by a Rationally Designed Manganese Pincer Catalyst.

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Tác giả: Yongjing Dong, Yanwei Gu, Yingying Han, Yue Hu, Yiqing Wang, Yinjun Xie, Juanfang Xu, Chijian Zhang

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: Germany : Angewandte Chemie (International ed. in English) , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 738088

 Herein, we report a new class of earth-abundant pincer manganese catalysts that not only enable the efficient conversion of single-component post-consumer polyesters with a turnover number (TON) of up to 5300, but more importantly, allow the selective upcycling of polyesters from waste plastic blends (e.g., nylon, PA
  polyethylene, PE
  polyurethane, PU
  polyvinyl chloride, PVC
  cotton) or contaminants such as pigment, aluminum, or glass into highly valuable oxygenated products under mild conditions. Detailed mechanistic studies combined with DFT calculations revealed that the exceptional efficiency of this protocol is due to the use of rationally designed quinaldine-based PNN
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