期刊
EUROPEAN POLYMER JOURNAL
卷 125, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2020.109516
关键词
Ring Opening Polymerisation (ROP); Nanoparticles (NPs); Surfactants; Sustainability; Green synthesis; Terpene; Renewable polymers
资金
- Engineering and Physical Sciences Research Council [EP/N019784/1, EP/N006615/1, EP/N03371X/1]
- School of Chemistry, University of Nottingham
- Royal Society [WM150086]
- EPSRC [EP/N006615/1, EP/N03371X/1, EP/N019784/1] Funding Source: UKRI
In this work we aimed to achieve a totally sustainable Ring Opening Polymerisation (ROP) process, by harmonising the use of naturally occurring or derivable initiators and the green solvent 2-Methyltetrahydrofuran (2-MeTHF). First, a library of novel monoterpene-alcohols and existing terpenoids was used to provide renewably sourced initiators for a metal-free ROP synthetic step. A number of these initiators are derived from waste materials, further improving their sustainability. Secondly, we selected lactide (LA) as a monomer, because not only is it derived from biomass, but its resultant polymers are biocompatible and biodegradable. Interestingly, these new polymers self-assembled in water producing well defined, biocompatible nanoparticles (NPs) via direct nanoprecipitation without the use of additional stabilisers. We have highlighted a novel and promising (ROP) approach to produce biodegradable, amphiphilic ester-based macromolecules, based on lactide and terpenes (as initiators) in a green solvent, 2-MeTHF thus reducing solvent toxicity in an efficient, simple and sustainable new synthesis. The monoterpenes may provide a highly functionalisable and bio-renewable toolbox for a new generation of ROP initiators.
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