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Sustainability of polycarbonate recycling via additive manufacturing

  • Nan Yu*
  • , Yifan Yuan
  • , Zicheng Zhu
  • , Ruslan Melentiev
  • , Long Ye
  • , James Tinkler
  • , Lukas Raddatz
  • , Stephen T. Newman
  • *Corresponding author for this work

Research output: Journal PublicationArticlepeer-review

5 Citations (Scopus)

Abstract

Polycarbonate (PC) is emerging as one of the fastest-growing engineering plastics, but its potential for its application in a circular economy requires further investigation. This research explores the technical feasibility, carbon footprint, and economic impact of recycling injection moulding PC waste via fused deposition modelling (FDM) at a biotechnology manufacturer plant in the UK. The results show that recycling moulded PC scrap using FDM yields 3D printed parts with 88–98 % of virgin PC mechanical properties, produces nearly 70 % less carbon footprint, and saves up to 88 % of costs than utilizing virgin PC material.

Original languageEnglish
Pages (from-to)61-65
Number of pages5
JournalCIRP Annals - Manufacturing Technology
Volume74
Issue number1
DOIs
Publication statusPublished - Jan 2025
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 8 - Decent Work and Economic Growth
    SDG 8 Decent Work and Economic Growth
  2. SDG 12 - Responsible Consumption and Production
    SDG 12 Responsible Consumption and Production

Free Keywords

  • Additive manufacturing
  • Fused deposition modelling
  • Recycling

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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