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Abstract <p>A novel α-<i>n</i>-propyl-substituted seven-membered cyclic carbonate (α-<i>n</i>-Pr-TEMC) was synthesized and used to prepare its homopolymer and statistical copolymer with ε-caprolactone (ε-CL). Homopolymerization via Sn(Oct)<sub>2</sub>-catalyzed ring-opening polymerization proceeded in a controlled manner. The α<i>‑n</i>-propyl substituent effectively moderated the monomer’s reactivity, enabling its statistical copolymerization with ε-CL, as confirmed by NMR analysis. DSC curves demonstrated transition from a semi-crystalline homopolymer to a copolymer with suppressed crystallinity. This work demonstrates α-<i>n</i>-Pr-TEMC’s utility as a comonomer for tailoring the properties of biodegradable polyesters<i>.</i></p>

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A Novel Cyclic Carbonate Monomer, α-Propyl Trimethylene Carbonate: Synthesis, Homopolymerization, and Copolymerization with ε-Caprolactone

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • V. Serova,
  • B. Mankaev,
  • E. Chernikova,
  • A. Berkovich,
  • R. Alekseyev,
  • S. Karlov

摘要

Abstract

A novel α-n-propyl-substituted seven-membered cyclic carbonate (α-n-Pr-TEMC) was synthesized and used to prepare its homopolymer and statistical copolymer with ε-caprolactone (ε-CL). Homopolymerization via Sn(Oct)2-catalyzed ring-opening polymerization proceeded in a controlled manner. The α‑n-propyl substituent effectively moderated the monomer’s reactivity, enabling its statistical copolymerization with ε-CL, as confirmed by NMR analysis. DSC curves demonstrated transition from a semi-crystalline homopolymer to a copolymer with suppressed crystallinity. This work demonstrates α-n-Pr-TEMC’s utility as a comonomer for tailoring the properties of biodegradable polyesters.