Processing Poly (ethylene terephthalate) Waste into Functional Carbon Materials by Mechanochemical Extrusion

Jialu Xu; Xiaolan Duan; Pengfei Zhang; Qiang Niu; Sheng Dai

doi:10.1002/cssc.202201576

Processing Poly (ethylene terephthalate) Waste into Functional Carbon Materials by Mechanochemical Extrusion

Jialu Xu, Xiaolan Duan, Pengfei Zhang, Qiang Niu, Sheng Dai

Chemical Sciences Division

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

With the plastic pollution becoming worse, the upcycling of plastic waste into functional materials is a great challenge. Herein, a mechanochemical extrusion approach was developed for processing poly(ethylene terephthalate) (PET) waste into porous carbon materials. The essence of the cyclic extrusion approach lies in the solvent-free mixing of thermoplastic PET with pore-directing additive (e. g., silica or zinc chloride) at the molecular level. PET waste could be upcycled into functional carbon with high surface area (up to 1001 m² g⁻¹), specific shapes, and preferred mechanical strength, after cyclic extrusion and carbonization. Moreover, metal species could be well dispersed onto porous carbons through solvent-free extrusion, different from traditional loading methods (impregnation method, deposition-precipitation method). In this manner, mechanochemical extrusion provides an alternative for upcycling plastic waste into value-added materials.

Original language	English
Article number	e202201576
Journal	ChemSusChem
Volume	15
Issue number	22
DOIs	https://doi.org/10.1002/cssc.202201576
State	Published - Nov 22 2022

Funding

The work is supported by the National Natural Science Foundation of China (Grant No. 22178219), Shanghai Rising‐Star Program (20QA1405200), Shanghai Jiao Tong University Scientific and Technological Innovation Funds (No.2019QYB06), National Key R & D Program Plan (2020YFB0606400) and Inner Mongolia R & D Program Plan (2021ZD0042, 2021EEDSCXSFQZD006). The work is supported by the National Natural Science Foundation of China (Grant No. 22178219), Shanghai Rising-Star Program (20QA1405200), Shanghai Jiao Tong University Scientific and Technological Innovation Funds (No.2019QYB06), National Key R & D Program Plan (2020YFB0606400) and Inner Mongolia R & D Program Plan (2021ZD0042, 2021EEDSCXSFQZD006).

Funders	Funder number
Inner Mongolia R & D Program Plan	2021ZD0042, 2021EEDSCXSFQZD006
National Key R & D Program Plan	2020YFB0606400
Shanghai Jiao Tong University Scientific and Technological Innovation Funds	2019QYB06
National Natural Science Foundation of China	20QA1405200, 22178219
Shanghai Rising-Star Program

Keywords

extrusion
mechanochemistry
mesoporous carbon
poly(ethylene terephthalate)
recycling

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10.1002/cssc.202201576

Cite this

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abstract = "With the plastic pollution becoming worse, the upcycling of plastic waste into functional materials is a great challenge. Herein, a mechanochemical extrusion approach was developed for processing poly(ethylene terephthalate) (PET) waste into porous carbon materials. The essence of the cyclic extrusion approach lies in the solvent-free mixing of thermoplastic PET with pore-directing additive (e. g., silica or zinc chloride) at the molecular level. PET waste could be upcycled into functional carbon with high surface area (up to 1001 m2 g−1), specific shapes, and preferred mechanical strength, after cyclic extrusion and carbonization. Moreover, metal species could be well dispersed onto porous carbons through solvent-free extrusion, different from traditional loading methods (impregnation method, deposition-precipitation method). In this manner, mechanochemical extrusion provides an alternative for upcycling plastic waste into value-added materials.",

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AU - Niu, Qiang

AU - Dai, Sheng

PY - 2022/11/22

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AB - With the plastic pollution becoming worse, the upcycling of plastic waste into functional materials is a great challenge. Herein, a mechanochemical extrusion approach was developed for processing poly(ethylene terephthalate) (PET) waste into porous carbon materials. The essence of the cyclic extrusion approach lies in the solvent-free mixing of thermoplastic PET with pore-directing additive (e. g., silica or zinc chloride) at the molecular level. PET waste could be upcycled into functional carbon with high surface area (up to 1001 m2 g−1), specific shapes, and preferred mechanical strength, after cyclic extrusion and carbonization. Moreover, metal species could be well dispersed onto porous carbons through solvent-free extrusion, different from traditional loading methods (impregnation method, deposition-precipitation method). In this manner, mechanochemical extrusion provides an alternative for upcycling plastic waste into value-added materials.

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Processing Poly (ethylene terephthalate) Waste into Functional Carbon Materials by Mechanochemical Extrusion

Abstract

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Keywords

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