Synthesis of Trimethylene Carbonates and Polycarbonates from Oxetanes and CO2Using Bifunctional Aluminum Porphyrin Catalysts

Chihiro Maeda, Hina Inoue, Ayano Ichiki, Takumi Okihara, Tadashi Ema

Research output: Contribution to journalArticlepeer-review

Abstract

Bifunctional aluminum porphyrins catalyzed the conversion of oxetane and CO2into trimethylene carbonate (TMC) and poly(trimethylene carbonate) (PTMC). The catalytic activity of the bifunctional catalysts is driven mainly by the central Al3+ion while TMC/PTMC selectivity is controlled by the counteranions. A variety of TMCs including bis(TMC) were prepared from oxetanes with different substituents. The terpolymerization of oxetane, CO2, and bis(TMC) or the copolymerization of TMC and bis(TMC) produced cross-linked PTMCs, one of which was successfully used for the formation of soft and thin film.

Original languageEnglish
Pages (from-to)13042-13049
Number of pages8
JournalACS Catalysis
Volume12
Issue number20
DOIs
Publication statusPublished - Oct 21 2022

Keywords

  • bifunctional porphyrin catalysts
  • COfixation
  • cross-linking polymerization
  • oxetanes
  • polycarbonates
  • trimethylene carbonates

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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