Selective chemical disassembly of elastane fibres and polyurethane coatings in textiles
Martin B. Johansen, Bjarke S. Donslund, Martin Lahn Henriksen, Steffan K. Kristensen, Troels Skrydstrup
Abstract
Solvolysis of elastane in blended fabrics using tert -amyl alcohol and KOH (cat.) provides elastane monomers and a fibre matrix. The process is especially useful for polyamide/elastane blends, providing a possibility for fibre-to-fibre recycling.
Topics & Concepts
PolyurethaneTextileMaterials sciencePolymer scienceComposite materialChemical engineeringChemistryPulp and paper industryEngineeringAdditive Manufacturing and 3D Printing TechnologiesPhotopolymerization techniques and applicationsMicroplastics and Plastic Pollution