Back-to-cyclic monomers: chemical recycling of silicone waste using a [polydentate ligand–potassium silanolate] complex
Nam Đức Vũ, Aurélie Boulègue-Mondière, Nicolas Durand, Jean Raynaud, Vincent Monteil
Abstract
We present a catalytic (only ppm/wt) back-to-cyclics chemical recycling strategy. Reactive distillation yields ∼99% of a pure mixture of cyclics (D 3 /D 4 /D 5 ). Catalyst recycling and repolymerization of recycled monomers further silicone circularity.
Topics & Concepts
SiliconeMonomerDenticityChemistryCatalysisLigand (biochemistry)PotassiumDistillationOrganic chemistryPolymer chemistryPolymerMetalBiochemistryReceptorPolyoxometalates: Synthesis and ApplicationsChemical Synthesis and ReactionsOrganometallic Complex Synthesis and Catalysis