Recyclage du CO2 : Une alternative à la pétrochimie pour la synthèse de molécules azotées

Enguerrand Blondiaux 1
1 LCMCE - Laboratoire de Chimie Moléculaire et de Catalyse pour l'Energie (ex LCCEF)
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : The fossil carbon resources (oil, coal, gas) cover 85% of world energy portfolio and serve as raw materials for 95% of organic chemicals consumables (plastics, fertilizers, pesticides...). The decrease of oil resources and the accumulation of CO2 arising from their use thus pose environmental, energetic and availability of raw materials problems for the chemical industry. In this context, it is appropriate to propose new methods of chemical synthesis to build a sustainable industry based on the use of renewable carbon resources. Bypassing petrochemicals and valorize its carbon waste, CO2, to build molecular structures without energy purposes (polymers, fertilizers, synthetic textiles ...) represents a leading scientific challenge. From this perspective, new nitrogen molecules synthetic processes have been developed from CO2 as a carbon source, amines as nitrogen source and mild reductant such as hydrosilanes and hydroboranes as a hydrogen source. These processes are accelerated by the use of metal-free catalysts and enable the production of formamides, formamidines, aminals and methylamines, which are basic molecules of the chemical industry.
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Enguerrand Blondiaux. Recyclage du CO2 : Une alternative à la pétrochimie pour la synthèse de molécules azotées. Catalyse. Université Paris Sud - Paris XI, 2015. Français. ⟨NNT : 2015PA112151⟩. ⟨tel-01212452⟩

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