Back-to-cyclic monomers: chemical recycling of silicone waste using a [polydentate ligand–potassium silanolate] complex-Reference-Cited by-同舟云学术

Back-to-cyclic monomers: chemical recycling of silicone waste using a [polydentate ligand–potassium silanolate] complex

Published:2023 Issue:10 Volume:25 Page:3869-3877
ISSN:1463-9262
Container-title:Green Chemistry
language:en
Short-container-title:Green Chem.

Author:

Vu Nam Duc¹^ORCID,Boulègue-Mondière Aurélie²,Durand Nicolas²,Raynaud Jean¹^ORCID,Monteil Vincent¹^ORCID

Affiliation:

1. Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M (UMR 5128, CNRS/Université de Lyon 1- Claude Bernard/CPE Lyon), Université de Lyon, 43 Bd du 11 Nov. 1918, 69616, Villeurbanne cedex, France

2. Elkem Silicones, R&D Chemistry, R&I Centre “ATRiON”, 9 rue Spécia, 69190, Saint-Fons, France

Abstract

We present a catalytic (only ppm/wt) back-to-cyclics chemical recycling strategy. Reactive distillation yields ∼99% of a pure mixture of cyclics (D3/D4/D5). Catalyst recycling and repolymerization of recycled monomers further silicone circularity.

Funder

Centre National de la Recherche Scientifique

Région Auvergne-Rhône-Alpes

Bpifrance

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Environmental Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2023/GC/D3GC00293D

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