Synthesis of Oligoester α,ω-diols by Alcoholysis of PET through the Reactive Extrusion Process

Study of Polyurethane Formulations Conta

Study of Polyurethane Formulations Containing Diols Obtained via Glycolysis of Poly(ethylene terephthalate) (PET) by Oligoesters Diols through a Reactive Extrusion Process

✍ Gaël Colomines; Florian Rivas; Marie-Laure Lacoste; Jean-Jacques Robin 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 285 KB

## Abstract **Summary:** The glycolysis of PET by oligoester diols in the presence of zinc acetate was carried out in two successive twin‐screw extruders with total residence times of 4 min and without solvent. These new glycolysates were analyzed and used in polyurethane formulation with a commerc