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Waterproof, Chemically Durable, and Closed-Loop Recyclable Poly(vinyl alcohol) Plastic Enabled by Dynamic Covalent Modification AITranslate

Qizhou Sang; Bentao Zhu; Jinchen Fan; Wenyao Guo; Zixing Shi
Shanghai Jiao Tong University; Shanghai Jiao Tong University; University of Shanghai for Science and Technology; Shanghai University of Electric Power; Shanghai Jiao Tong University
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Publisher: ACS
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Abstract AITranslate

The development of recyclable polymer materials is the main method to deal with environmental pollution and resource waste. As one of the effective methods, dynamic covalent bonds can be introduced into polymer networks to realize the closed-loop recycling and utilization of materials. In this paper, we introduce a borate ester bond and anthracene functional groups into common poly(vinyl alcohol) by adding 9-anthraceneboronic acid. The dynamic borate ester bond can be used to construct a dynamic covalent polymer network, and the water resistance of plastics can be improved by the hydrophobicity of anthracene, and anthracene can also be depolymerized and recycled by heating after photo-crosslinking. Due to the advantages of easy preparation, high mechanical strength and toughness, good water resistance, chemical durability, and easy recycling, poly(vinyl alcohol) anthraceneboronic acid (PVA-ABA) is a promising composite material suitable for sustainable engineering applications to avoid environmental impact and waste of resources.

KeyWords AITranslate

dynamic covalent bonds photocrosslinking acidolysis thermosets closedloop recycling
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.3c01876

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Citation Information:

The development of recyclable polymer materials is the main method to deal with environmental pollution and resource waste. As one of the effective methods, dynamic covalent bonds can be introduced into polymer networks to realize the closed-loop recycling and utilization of materials. In this paper, we introduce a borate ester bond and anthracene functional groups into common poly(vinyl alcohol) by adding 9-anthraceneboronic acid. The dynamic borate ester bond can be used to construct a dynamic covalent polymer network, and the water resistance of plastics can be improved by the hydrophobicity of anthracene, and anthracene can also be depolymerized and recycled by heating after photo-crosslinking. Due to the advantages of easy preparation, high mechanical strength and toughness, good water resistance, chemical durability, and easy recycling, poly(vinyl alcohol) anthraceneboronic acid (PVA-ABA) is a promising composite material suitable for sustainable engineering applications to avoid environmental impact and waste of resources.

quote

GB/T 7714-2015 [1] Qizhou Sang, Bentao Zhu, Jinchen Fan, et al. ACS Applied Polymer Materials, 2023(5). DOI:10.1021/acsapm.3c01876.
MLA [1] Qizhou Sang, et al., ACS Applied Polymer Materials, no. 5, 2023, https://doi.org/10.1021/acsapm.3c01876.
APA [1] Qizhou Sang, Bentao Zhu, Jinchen Fan, Wenyao Guo, & Zixing Shi. (2023). ACS Applied Polymer Materials(5). https://doi.org/10.1021/acsapm.3c01876
IEEE [1] Qizhou Sang, Bentao Zhu, Jinchen Fan, Wenyao Guo, and Zixing Shi, ACS Applied Polymer Materials, no. 5, 2023, doi: 10.1021/acsapm.3c01876. keywords: {dynamic covalent bonds;photocrosslinking;acidolysis;thermosets;closedloop recycling}