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

Precision functional Boron polymers – PolyBora

Submission summary

The present proposal seeks to use pairing of Boranes with Lewis bases, forming classical Lewis pairs featuring dative bonds to i) generate H2-containing materials when amine-boranes are employed: H2 can be thermally or catalytically delivered highly pure at a temperature controlled by the polymer composition and structure and ii) stabilize precisely positioned radicals on polymeric materials via H-atom radical abstraction. We will code the properties using 2 strategies: 1) into the molecular ligated boranes prior or during polymerization; 2) into the Boron-containing (co)polymers using simple/robust post-polymerization functionalization. The polymer architecture and self-assembly will control the macroscopic properties of the materials, leading to improved or new functions. We thus aim at conferring properties to usual polymer scaffolds by introducing Boron-based Lewis pairs harnessing (mainly) radical copolymerizations of boronate-based vinylic monomers and polycondensations involving boranes.
The PolyBora project abides by the fundamental research approach on the one hand (dynamic Boron-containing polymers featuring Lewis pairs) but also capitalizes on the knowledge generated through valuable applications: 1) storage / release of hydrogen in materials (identified societal challenge) ; 2) stabilization of radicals in materials (for applications such as DNP-assisted imaging/spectroscopy, for example).

Project coordination

Jean RAYNAUD (Catalyse, Polymérisation, Procédés et Matériaux)

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.


CP2M Catalyse, Polymérisation, Procédés et Matériaux
ICR Institut de Chimie Radicalaire

Help of the ANR 436,900 euros
Beginning and duration of the scientific project: - 48 Months

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