Polymer mechanical recycling: downcycling or upcycling?

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13 Citations (Scopus)

Abstract

Recycled plastics are considered as materials with physical, mechanical and aesthetic properties worse than the virgin ones. In fact, this is true because degradation during lifetime and during the recycling operations changes the structure and the morphology of the polymers and then the final properties of the secondary material. Several "strategies" are under investigation, and in some cases also applied, in order to avoid further degradation during recycling and, if possible, to repair the macromolecules broken during lifetime and then to restore or to improve the initial properties. In this paper the more important techniques, already used in industry or under investigation, according to this philosophy are shortly reviewed.
Original languageEnglish
Pages (from-to)11-24
Number of pages14
JournalPolymer Recycling
Volume20
Publication statusPublished - 2004

All Science Journal Classification (ASJC) codes

  • General Chemical Engineering
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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