CE06 - Polymères, composites, physique et chimie de la matière molle

Coordination-Insertion Polymerization of Bio-based Olefins – CIPBO

Submission summary

Sustainable development is a major challenge for the chemical industry of the XXIst century. It must reconcile science, technology, economic viability and citizen acceptability. The use of renewable resources and green chemistry concepts appear to be key points for sustainability.
In this context, new polymers synthesized from bio-based olefins by coordination-insertion polymerization need to be developed. While polymers prepared from coordination-insertion polymerization are the most abundant at the industrial scale (allowing access to polyethylene and polypropylene), there are very few examples of such polymerization on bio-based olefins. Indeed coordination-insertion catalysts are deactivated in presence of any polar function and exhibit low reactivity toward hindered olefins. However during the last decade the rise of new catalysts based on late transition metals, able to overcome these limitations, has been reported.
There is thus a high interest to polymerize and copolymerize, via this route, bio-based molecules possessing carbon-carbon double-bonds such as terpenes (limonene, linalool…), phenylpropanoides (eugenol), fatty acids (methyl undecenoate), etc. Moreover these olefins can be copolymerized with ethylene resulting in functionalized polyethylene.
In this purpose, the state-of-the-art coordination-insertion catalysts developed in the last decade will be evaluated. Some catalysts (e.g. Drent or Takeuchi catalysts) are reported to polymerize bulky and/or polar olefins that could efficiently synthesize bio-based polymers by coordination-insertion polymerization. They will be used to synthesize many different bio-sourced polymers. Their physicochemical properties will be assessed toward targeted applications.

Project coordination

Etienne GRAU (Laboratoire de Chimie des Polymères Organiques)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

LCPO Laboratoire de Chimie des Polymères Organiques

Help of the ANR 205,389 euros
Beginning and duration of the scientific project: December 2019 - 42 Months

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