Published : 2015-09-30

Polyols from recycled poly(ethylene terephthalate) flakes and rapeseed oil for polyurethane foams

Abstract

Bio/recycled polyols from rapeseed oil (RO) and poly(ethylene terephthalate) (PET) were prepared using a continuous, two-step synthesis method. The bio/recycled polyol properties were compared to RO and commercially available PET based polyols. Rigid polyurethane foams with a unified apparent density of 40—45 kg/m3 were prepared from these polyols. The thermal conductivity, thermal properties, water absorption and mechanical properties of foams were tested. The results indicated that the RO/PET polyols can be successfully used for preparing polyurethane foams as energy efficient thermal insulation material.


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Paberza, A., Fridrihsone-Girone, A., Abolins, A., & Cabulis, U. (2015). Polyols from recycled poly(ethylene terephthalate) flakes and rapeseed oil for polyurethane foams. Polimery, 60(9), 572-578. https://doi.org/10.14314/polimery.2015.572