Layer-by-layer techniques incorporating upcycled TPEE: from waste to conductive, multi-responsive, self-healable, and highly-stretchable electronics

Upcycling polyethylene terephthalate (PET) waste into multifunctional materials offers a sustainable solution to plastic pollution. In this work, upcycled thermoplastic polyester elastomer (TPEE) films are utilized as substrates to fabricate conductive, stretchable, self-healable, and alkaline-respo...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 13; no. 25; pp. 1985 - 19863
Main Authors Chang, Chia-Wei, Chang, Chun-Ting, Ciou, Jian-Hua, Kuo, Kai-Chuan, Wu, Chia-Ti, Lin, Ji, Lo, Tse-Yu, Chen, Yu, Lin, Huan-Wei, Tseng, Yu-Hsuan, Li, Mei-Li, Lin, Che-Tseng, Chen, Jiun-Tai
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 25.06.2025
Subjects
Acrylic acid
Clean technology
Elastomers
Electrical properties
Flexible components
Ionic liquids
Multifunctional materials
Multilayers
Plastic pollution
Polyethylene terephthalate
Substrates
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ISSN2050-7488
2050-7496
DOI10.1039/d5ta01392e

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Summary:Upcycling polyethylene terephthalate (PET) waste into multifunctional materials offers a sustainable solution to plastic pollution. In this work, upcycled thermoplastic polyester elastomer (TPEE) films are utilized as substrates to fabricate conductive, stretchable, self-healable, and alkaline-responsive multilayered films. A layer-by-layer assembly of poly(ionic liquid- co -acrylic acid) (PIL- co -PAA) and MXene nanosheets imparts elasticity, conductivity, and environmental responsiveness. Extending this method to commercial fabrics demonstrates self-healing mechanical and electrical properties, broadening application prospects. These findings highlight the potential of TPEE-based multilayer films as advanced materials for wearable and flexible electronics, emphasizing the role of upcycling in creating high-value, sustainable technologies. Upcycled thermoplastic polyester elastomers, poly(ionic liquid- co -acrylic acid), and MXene nanosheets are utilized to fabricate conductive, stretchable, self-healable, and alkaline-responsive multilayered films.
Bibliography:https://doi.org/10.1039/d5ta01392e
Electronic supplementary information (ESI) available. See DOI
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ISSN:2050-7488
2050-7496
DOI:10.1039/d5ta01392e