Contents 1
(An) insight into the recycling of waste flexible polyurethane foam using glycolysis / Woo Seok Jin ; Pranabesh Sahu ; Gyuri Kim ; Seongrok Jeong ; Cheon Young Jeon ; Tae Gyu Lee ; Sang Ho Lee ; Jeong Seok Oh 1
Abstract 1
Introduction 1
Experimental 2
1. Materials 2
2. Recycling of polyurethane foam waste 2
3. Preparation of regenerated flexible polyurethane foams(RPUFs) 3
4. Characterization methods 4
Results and Discussion 5
1. Recycling of flexible PU foam waste 5
2. Glycolysis with GPX-600 : Effect of catalyst, glycols content, and reaction time 5
3. Effect of high molecular weight industrial-grade polyols (GPX-3000 and GPX-6000) on the glycolysis 6
4. Viscosity of the recovered polyols 6
5. FTIR analysis of the recovered polyols 8
6. Properties and surface morphology of regenerated flexible PU foams 8
7. Comfort properties of the recovered polyurethane foams 9
Conclusions 10
References 11