Catalysts and Method for Producing Recycled Polyester

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Título:	Catalysts and Method for Producing Recycled Polyester
Autor(es):	SILVA, Wellington de Oliveira da LIMA, Stevie Hallen DIAS, Marcos Lopes SIRELLE, Lys PACHECO FILHO, José Geraldo de Andrade ANDRADE, Jacicleide do Nascimento de NASCIMENTO JÚNIOR, Hezrom Saulo do BASTOS, Daniela Emília Lopes ARCANJO, Ana Paula Cipriano de CASTRO, Aline Machado de
Data do documento:	10-Fev-2022
Editor:	United States Patent and Trademark Office's (USPTO)
Abstract:	The present invention describes the preparation of heterogeneous catalysts of mixed oxides based upon niobium and mixed oxides of zinc, manganese, nickel, cobalt and/or aluminum, originating from hydrotalcites (HTs) as precursor phase of heterogeneous catalysts, and application thereof in the chemical recycling of poly(ethylene terephthalate) (PET) for the production of metal free bis(hydroxy)ethylene (BHET) monomers and oligomers having a processing performance similar to that of the homogeneous catalysis system.
URI:	https://worldwide.espacenet.com/searchResults?query=US+20220041836+A1 https://repositorio.ufpe.br/handle/123456789/61734
Aparece nas coleções:	Patentes

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