Poly(trimethylene monothiocarbonate) from the Alternating Copolymerization of COS and Oxetane: A Semicrystalline Copolymer

  • Hai Lin Wu
  • , Jia Liang Yang
  • , Ming Luo
  • , Rui Yang Wang
  • , Jun Ting Xu
  • , Bin Yang Du
  • , Xing Hong Zhang
  • , Donald J. Darensbourg

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

A semicrystalline poly(trimethylene monothiocarbonate) (PTMMTC) has been synthesized via the selective and alternating copolymerization of carbonyl sulfide and oxetane. This reaction was catalyzed by (salen)CrCl accompanied by organic bases over a wide range of temperatures from 40 to 130 °C. PTMMTC is shown to exhibit similar crystallization behavior to high-density polyethylene (HDPE), i.e., being spherulite and possessing melting temperatures (Tm) up to 127.5 °C and a degree of crystallinity (Xc) of up to 71%. Moreover, PTMMTC has a wide processing temperature window of ca. 100 °C.

Original languageEnglish
Pages (from-to)8863-8868
Number of pages6
JournalMacromolecules
Volume49
Issue number23
DOIs
StatePublished - 13 Dec 2016
Externally publishedYes

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