Synthesis and depolymerization studies of biohybrid polycarbonates derived from terpenes

IF 4.1 2区化学 Q2 POLYMER SCIENCE

Polymer Chemistry Pub Date : 2025-05-23 DOI:10.1039/d5py00285k

Thirusangumurugan Senthamarai, Enrico Lanaro, Jack Tinker, Antoine Buchard, Arjan W. Kleij

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Abstract

We here report the catalytic ring-opening copolymerization of 2-menthene oxide (MO), a terpene-based monomer derived from L-menthol, and CO₂ to provide poly(menthene carbonate), PMC, with a maximum molecular weight (M_n) of 10.2 kg mol⁻¹. The terpene monomer MO can also be combined with both limonene oxide (LO) and CO₂ in a formal terpolymerization process providing, depending on the monomer feed ratio, different types of biohybrid polycarbonates (PLMC) with different degrees of functionality. These terpolymerizations could be extended to the use of an acyclic terpene oxide and either MO/CO₂ or LO/CO₂, and a previously reported xylose-derived bicyclic oxetane. A selection of MO/LO based biohybrid PLMCs were conveniently depolymerized under TBD catalysis to regenerate the original mixture (>95%) of terpene oxides thereby providing a suitable starting point for the circular use of these biohybrid macromolecules.

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萜烯类生物杂化聚碳酸酯的合成与解聚研究

本文报道了由l -薄荷醇衍生的萜烯基单体2-薄荷烯氧化物（MO）与CO2催化开环共聚得到最大分子量（Mn）为10.2 kg mol−1的聚碳酸薄荷烯（PMC）。萜烯单体MO也可以与柠檬烯氧化物（LO）和二氧化碳在正式的三元聚合过程中结合，根据单体投料比，提供不同类型的具有不同程度功能的生物杂化聚碳酸酯（PLMC）。这些三元聚合可以扩展到使用无环萜烯氧化物和MO/CO2或LO/CO2，以及先前报道的木糖衍生的双环氧烷。选择的MO/LO基生物杂化plmc在TBD催化下方便地解聚，以再生原始萜烯氧化物混合物（>95%），从而为这些生物杂化大分子的循环使用提供了合适的起点。

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来源期刊

Polymer Chemistry POLYMER SCIENCE-

CiteScore

8.60

自引率

8.70%

发文量

535

审稿时长

1.7 months

期刊介绍： Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.