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Paramagnetic ionic liquid-coated SiO2@Fe3O4 nanoparticles. The next generation of magnetically recoverable nanocatalysts applied in the glycolysis of PET

Abstract: The functionalization of silica-coated, magnetic Fe3O4 nanoparticles, with an iron-containing ionic liquid, allows for the synthesis of a Fe3O4@SiO2@(mim)[FeCl4] system that can be employed as a magnetically recoverable nanocatalyst. Herein, we present the use of Fe3O4@SiO2@(mim)[FeCl4] for the glycolysis of PET into BHET under conventional heating. The catalyst achieved nearly 100% yield and selectivity over twelve consecutive reaction cycles at 180 °C and was efficiently recovered without tedious work-up or purification processes. Additional analyses revealed that the amount of catalyst lost after each cycle was negligible and no trace of Fe was found in the purified BHET product.

 Fuente: Applied Catalysis B: Environmental Volume 260, January 2020, 118110

Editorial: Elsevier

 Fecha de publicación: 01/01/2020

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

ISSN: 0926-3373,1873-3883

Proyecto español: CTQ2017-83175R

Url de la publicación: https://doi.org/10.1016/j.apcatb.2019.118110

Autores/as

ISRAEL CANO RICO

MARIA DEL CARMEN MARTIN GANDUL

ALVES FERNANDES, JESUM

LODGE, RHYS W.

DUPONT, JAIRTON

CASADO-CARMONA, FRANCISCO A.

LUCENA, RAFAEL

CARDENAS, SOLEDAD