Synthesis of highly conductive electrospun recycled polyethylene terephthalate nanofibers using the electroless deposition method

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Abstract

Plastic bottles are generally recycled by remolding them into numerous products. In this study, waste from plastic bottles was used to fabricate recycled polyethylene terephthalate (r-PET) nanofibers via the electrospinning technique, and high-performance conductive polyethylene terephthalate nanofibers (r-PET nanofibers) were prepared followed by copper deposition using the electroless deposition (ELD) method. Firstly, the electrospun r-PET nanofibers were chemically modified with silane molecules and polymerized with 2-(methacryloyloxy) ethyl trimethylammonium chloride (METAC) solution. Finally, the copper deposition was achieved on the surface of chemically modified r-PET nanofibers by simple chemical/ion attraction. The water contact angle of r-PET nanofibers, chemically modified r-PET nanofibers, and copper deposited nanofibers were 140o, 80o, and 138o, respectively. The r-PET nanofibers retained their fibrous morphology after copper deposition, and EDX results confirmed the presence of copper on the surface of r-PET nano-fibers. XPS was performed to analyze chemical changes before and after copper deposition on r-PET nanofibers. The successful deposition of copper one r-PET nanofibers showed an excellent electrical resistance of 0.1 ohms/cm and good mechanical strength according to ASTM D-638.

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Hussain, N., Mehdi, M., Yousif, M., Ali, A., Ullah, S., Siyal, S. H., … Kim, I. S. (2021). Synthesis of highly conductive electrospun recycled polyethylene terephthalate nanofibers using the electroless deposition method. Nanomaterials, 11(2), 1–13. https://doi.org/10.3390/nano11020531

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