Chemically Recyclable Polyethylene‐like Sulfur‐Containing Plastics from Sustainable Feedstocks

Author:

Xia Yanni1,Yue Xinchen1,Sun Yue1,Zhang Chengjian1,Zhang Xinghong123ORCID

Affiliation:

1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization International Research Center for X Polymers Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China

2. Center of Chemistry for Frontier Technologies Zhejiang University Hangzhou 310027 China

3. Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering Hangzhou 310027 China

Abstract

AbstractThe green revolution in plastics should be accelerated due to growing sustainability concerns. Here, we develop a series of chemically recyclable polymers from the first reported cascade polymerization of H2O, COS, and diacrylates. In addition to abundant feedstocks, the method is efficient and air‐tolerant, uses common organic bases as catalysts, and yields polymers with high molecular weights under mild conditions. Such polymers, structurally like polyethylene with low‐density in‐chain polar groups, manifest impressive toughness and ductility comparable to high‐density polyethylene. The in‐chain ester group acts as a breaking point, enabling these polymers to undergo chemical recycling through two loops. The structures and properties of these polymers also have an immeasurably expanded range owing to the versatility of our method. The readily available raw materials, facile synthesis, and high performance make these polymers promising prospects as sustainable materials in practice.

Funder

National Natural Science Foundation of China

Science and Technology Department of Zhejiang Province

Publisher

Wiley

Subject

General Medicine

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