From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications

High-density polyethylene (HDPE) is a highly versatile plastic utilized in various applicative fields such as packaging, agriculture, construction, and consumer goods. Unfortunately, the extensive use of polyethylene has resulted in a substantial accumulation of plastic waste, creating environmental...

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Main Authors: Rigotti Daniele, Davide Armoni, Sithiprumnea Dul, Pegoretti Alessandro
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Journal of Composites Science
Subjects:
Online Access:https://www.mdpi.com/2504-477X/7/8/320
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author Rigotti Daniele
Davide Armoni
Sithiprumnea Dul
Pegoretti Alessandro
author_facet Rigotti Daniele
Davide Armoni
Sithiprumnea Dul
Pegoretti Alessandro
author_sort Rigotti Daniele
collection DOAJ
description High-density polyethylene (HDPE) is a highly versatile plastic utilized in various applicative fields such as packaging, agriculture, construction, and consumer goods. Unfortunately, the extensive use of polyethylene has resulted in a substantial accumulation of plastic waste, creating environmental and economic challenges. Consequently, the recycling of polyethylene has become a critical concern in recent times. This work focuses on the recycling of HDPE parts recovered from end-of-life boats into materials suitable for the marine environment with additive manufacturing technology via screw-assisted extrusion 3D printing. In particular, rigid materials are obtained by adding glass fibers to HDPE to mitigate the loss of mechanical performance upon recycling. Eventually, the properties obtained with two different production methods were compared, namely compression molding and screw-assisted extrusion 3D printing. Since the developed materials will be exposed to an aggressive environment, an extended thermos-mechanical characterization (including fatigue resistance) and investigation of the stability to UV exposure were performed.
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spelling doaj.art-a66f57b043ba44538bf3dac76d4634d22023-11-19T01:42:28ZengMDPI AGJournal of Composites Science2504-477X2023-08-017832010.3390/jcs7080320From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing ApplicationsRigotti Daniele0Davide Armoni1Sithiprumnea Dul2Pegoretti Alessandro3Department of Industrial Engineering and INSTM Research Unit, University of Trento, Via Sommarive 9, 38123 Trento, ItalyDepartment of Industrial Engineering and INSTM Research Unit, University of Trento, Via Sommarive 9, 38123 Trento, ItalyLaboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, SwitzerlandDepartment of Industrial Engineering and INSTM Research Unit, University of Trento, Via Sommarive 9, 38123 Trento, ItalyHigh-density polyethylene (HDPE) is a highly versatile plastic utilized in various applicative fields such as packaging, agriculture, construction, and consumer goods. Unfortunately, the extensive use of polyethylene has resulted in a substantial accumulation of plastic waste, creating environmental and economic challenges. Consequently, the recycling of polyethylene has become a critical concern in recent times. This work focuses on the recycling of HDPE parts recovered from end-of-life boats into materials suitable for the marine environment with additive manufacturing technology via screw-assisted extrusion 3D printing. In particular, rigid materials are obtained by adding glass fibers to HDPE to mitigate the loss of mechanical performance upon recycling. Eventually, the properties obtained with two different production methods were compared, namely compression molding and screw-assisted extrusion 3D printing. Since the developed materials will be exposed to an aggressive environment, an extended thermos-mechanical characterization (including fatigue resistance) and investigation of the stability to UV exposure were performed.https://www.mdpi.com/2504-477X/7/8/320polyethylene3D printingrecyclingadditive manufacturingscrew extrusion
spellingShingle Rigotti Daniele
Davide Armoni
Sithiprumnea Dul
Pegoretti Alessandro
From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications
Journal of Composites Science
polyethylene
3D printing
recycling
additive manufacturing
screw extrusion
title From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications
title_full From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications
title_fullStr From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications
title_full_unstemmed From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications
title_short From Nautical Waste to Additive Manufacturing: Sustainable Recycling of High-Density Polyethylene for 3D Printing Applications
title_sort from nautical waste to additive manufacturing sustainable recycling of high density polyethylene for 3d printing applications
topic polyethylene
3D printing
recycling
additive manufacturing
screw extrusion
url https://www.mdpi.com/2504-477X/7/8/320
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