Unique base-initiated depolymerization of limonene-derived polycarbonates

C. Li, R.J. Sablong, R.A.T.M. van Benthem, C.E. Koning

Research output: Contribution to journalArticleAcademicpeer-review

73 Citations (Scopus)
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The depolymerization of poly(limonene carbonate) (PLC) initiated by 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) was investigated. The strong organic base TBD was capable of deprotonating the OH-terminated PLC, leading to fast degradation via backbiting reactions at high temperature. An interesting feature of the base-initiated breakdown of PLC lies in the quantitative depolymerization into the corresponding initial limonene oxide monomer. This result implies the complete back-to-monomer recyclability of the fully biobased PLC, which accordingly can be considered as a really sustainable material. Additionally, the stability of PLC when exposed to TBD was enhanced by an end-capping reaction, which further supported the proposed degradation pathway.

Original languageEnglish
Pages (from-to)684-688
Number of pages5
JournalACS Macro Letters
Issue number7
Publication statusPublished - 18 Jul 2017


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