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Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes

Ali Hedayati, Chris Barnett, Gemma Swan, Alvin Orbaek White Orcid Logo

C - An Open Access Journal of Carbon Research (C), Volume: 5, Issue: 2, Start page: 32

Swansea University Author: Alvin Orbaek White Orcid Logo

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DOI (Published version): 10.3390/c5020032

Abstract

The global plastics crisis has recently focused scientists’ attention on finding technical solutions for the ever-increasing oversupply of plastic waste. Black plastic is one of the greatest contributors to landfill waste, because it cannot be sorted using industrial practices based on optical refle...

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Published in: C - An Open Access Journal of Carbon Research (C)
ISSN: 2311-5629
Published: MDPI AG 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa49811
first_indexed 2019-04-02T10:19:29Z
last_indexed 2020-10-13T03:02:48Z
id cronfa49811
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spelling 2020-10-12T15:41:00.9721173 v2 49811 2019-03-29 Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes 8414a23650d4403fdfe1a735dbd2e24e 0000-0001-6338-5970 Alvin Orbaek White Alvin Orbaek White true false 2019-03-29 EAAS The global plastics crisis has recently focused scientists’ attention on finding technical solutions for the ever-increasing oversupply of plastic waste. Black plastic is one of the greatest contributors to landfill waste, because it cannot be sorted using industrial practices based on optical reflection. However, it can be readily upcycled into carbon nanotubes (CNTs) using a novel liquid injection reactor (LIR) chemical vapor deposition (CVD) method. In this work, CNTs were formed using black and white polystyrene plastics to demonstrate that off-the-shelf materials can be used as feedstock for growth of CNTs. Scanning electron microscopy analysis suggests the CNTs from plastic sources improve diameter distribution homogeneity, with slightly increased diameters compared with control samples. Slight improvements in quality, as determined by Raman spectroscopy of the D and G peaks, suggest that plastics could lead to increased quality of CNTs. A small device was constructed as a demonstrator model to increase impact and public engagement. Journal Article C - An Open Access Journal of Carbon Research (C) 5 2 32 MDPI AG 2311-5629 circular economy; carbon nanotube; conduction; chemical recycling, carbon wires 12 6 2019 2019-06-12 10.3390/c5020032 This international collaboration with Chalmers University of Technology (Sweden) led to direct talks with largest global suppliers of electrical cables, Prysmian Group (Don Parris Don.Parris@prysmiangroup.com).Funding value £16,358 was raised from the European Regional Development Fund. Supported by SALTS Healthcare Ltd (Anna Coles anna.coles@salts.co.uk) who co-sponsored KESS student. Discussions about nanotube wires led to invitation from Parliamentary Office of Science and Technology to contribute to POSTbriefs POST-PB-0028. Was invited to present at New Zealand Institute of Chemistry(https://nzic.org.nz/) (February 22, 2019), thanks to this paper. COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2020-10-12T15:41:00.9721173 2019-03-29T11:52:09.3532269 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Ali Hedayati 1 Chris Barnett 2 Gemma Swan 3 Alvin Orbaek White 0000-0001-6338-5970 4 49811__18410__d3f18f89320b4e88ad32b261aee0be1b.pdf 49811.carbon-05-00032-v2.pdf 2020-10-12T15:40:02.1498271 Output 1295467 application/pdf Version of Record true This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. true eng https://creativecommons.org/licenses/by/4.0/
title Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
spellingShingle Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
Alvin Orbaek White
title_short Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
title_full Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
title_fullStr Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
title_full_unstemmed Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
title_sort Chemical Recycling of Consumer-Grade Black Plastic into Electrically Conductive Carbon Nanotubes
author_id_str_mv 8414a23650d4403fdfe1a735dbd2e24e
author_id_fullname_str_mv 8414a23650d4403fdfe1a735dbd2e24e_***_Alvin Orbaek White
author Alvin Orbaek White
author2 Ali Hedayati
Chris Barnett
Gemma Swan
Alvin Orbaek White
format Journal article
container_title C - An Open Access Journal of Carbon Research (C)
container_volume 5
container_issue 2
container_start_page 32
publishDate 2019
institution Swansea University
issn 2311-5629
doi_str_mv 10.3390/c5020032
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description The global plastics crisis has recently focused scientists’ attention on finding technical solutions for the ever-increasing oversupply of plastic waste. Black plastic is one of the greatest contributors to landfill waste, because it cannot be sorted using industrial practices based on optical reflection. However, it can be readily upcycled into carbon nanotubes (CNTs) using a novel liquid injection reactor (LIR) chemical vapor deposition (CVD) method. In this work, CNTs were formed using black and white polystyrene plastics to demonstrate that off-the-shelf materials can be used as feedstock for growth of CNTs. Scanning electron microscopy analysis suggests the CNTs from plastic sources improve diameter distribution homogeneity, with slightly increased diameters compared with control samples. Slight improvements in quality, as determined by Raman spectroscopy of the D and G peaks, suggest that plastics could lead to increased quality of CNTs. A small device was constructed as a demonstrator model to increase impact and public engagement.
published_date 2019-06-12T13:45:48Z
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score 11.048042

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