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Open AccessArticle

Regeneration of Raney®-Nickel Catalyst for the Synthesis of High-Value Amino-Ester Renewable Monomers

1
Arkema France, Centre de Recherche Rhône-Alpes, Rue Henri Moissan, F-69493 Pierre Bénite, France
2
Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Via P. Giuria 9, I-10125 Turin, Italy
3
Arkema France, Rue d’Estienne d’Orves, F-92705 Colombes, France
*
Authors to whom correspondence should be addressed.
Catalysts 2020, 10(2), 229; https://doi.org/10.3390/catal10020229 (registering DOI)
Received: 11 December 2019 / Revised: 10 February 2020 / Accepted: 11 February 2020 / Published: 14 February 2020
(This article belongs to the Special Issue Catalyst Deactivation and Regeneration)
Aiming to synthesize high-value renewable monomers for the preparation of renewable specialty polyamides, we designed a new protocol. Amino-esters, produced via the hydrogenation of unsaturated nitrile-esters, are alternative monomers for the production of these polymers. A high monomer yield can be obtained using a Raney®-nickel catalyst despite the drawback of fast deactivation. The hydrogenation of 10-cyano-9-decenoate (UNE11) was tentatively reactivated by three different regeneration procedures: solvent wash, regeneration under hydrogen, and regeneration under sonication. Among these procedures, the in-pot catalyst regeneration (H2 30 bar, 150 °C) demonstrated complete activity recovery and full recycling. View Full-Text
Keywords: bio-based monomers; amino-esters; hydrogenation; Raney®-nickel regeneration bio-based monomers; amino-esters; hydrogenation; Raney®-nickel regeneration
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MDPI and ACS Style

Soutelo-Maria, A.; Dubois, J.-L.; Couturier, J.-L.; Brebion, M.; Cravotto, G. Regeneration of Raney®-Nickel Catalyst for the Synthesis of High-Value Amino-Ester Renewable Monomers. Catalysts 2020, 10, 229.

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