Life cycle assessment of a road safety product made with virgin and recycled HDPE

Carla L. Simões, Susana M. Xará, C. A. Bernardo

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


The present study aims at evaluating the potential environmental impact of using recycled high-density polyethylene (HDPE) in the production of an anti-glare lamella (AGL), a road safety device currently manufactured from virgin (not recycled) polymer. The impact was evaluated using the life cycle assessment (LCA) technique and comparing two alternative systems: current AGL, manufactured from virgin HDPE, and optional AGL, made with recycled HDPE obtained from post-consumer packages. The AGL manufacturing phase was found to be responsible for most of the impacts in both systems, with the production of the raw material being the largest contributor for that phase. The present study makes a contribution to the problem of developing value-added products made from post-consumer polymeric recyclates.
Original languageEnglish
Pages (from-to)414-422
Number of pages9
JournalWaste Management and Research
Issue number4
Publication statusPublished - Apr 2011


  • Anti-glare device
  • Life cycle assessment
  • Plastics packaging
  • Plastics waste
  • Recycling
  • Road safety device


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