HMF–glycerol acetals as additives for the debonding of polyurethane adhesives
Sarah Kirchhecker, Andrea Dell’Acqua, Astrid Angenvoort, Anke Spannenberg, Kenji Ito, Sergey Tin, Andreas Taden, Johannes G. de Vries
Abstract
Diols prepared <italic>via</italic> acetalisation of HMF with glycerol were incorporated into polyurethanes. This additive enables the selective debonding by acid-catalysed hydrolysis of PU-based adhesives to facilitate the recycling of components at the end of life of the product.
Topics & Concepts
PolyurethaneGlycerolAdhesiveHydrolysisChemistryOrganic chemistryPolymer chemistryLayer (electronics)Carbon dioxide utilization in catalysisbiodegradable polymer synthesis and propertiesCatalysis for Biomass Conversion