An aromatic/aliphatic polyester prepared via ring-opening polymerisation and its remarkably selective and cyclable depolymerisation to monomer

Michael Shaver, Jarret P. MacDonald

Research output: Contribution to journalArticlepeer-review

Abstract

The ring-opening polymerisation of 2,3-dihydro-5H-1,4-benzodioxepin-5-one (2,3-DHB) with aluminium salen or organocatalysts gives polyester homopolymers and copolymers with L-lactide or rac-β-butyrolactone that contain both aromatic and aliphatic linkages, the first polymers with an aromatic ring in the backbone prepared by this key method. The same Al salen catalyst catalyses a remarkably selective depolymerisation to monomer under modified reaction conditions. The process may be cycled to repeatedly recycle polymer to monomer and maintain the polymer's low dispersity.
Original languageEnglish
Pages (from-to)553-559
Number of pages7
JournalPolymer Chemistry
Volume2016
Issue number3
DOIs
Publication statusPublished - 12 Nov 2015

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