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A. Paberza, A. Fridrihsone-Girone, A. Abolins, U. Cabulis

Polyols from recycled poly(ethylene terephthalate) flakes

and rapeseed oil for polyurethane foams (in English)

Polimery 2015, No 9, 572

DOI: dx.doi.org/10.14314/polimery.2015.572

Summary
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.

Keywords: rigid polyurethane foams, rapeseed oil, PET waste, renewable raw materials

e-mail: aiga.paberza@gmail.com

A. Paberza, A. Fridrihsone-Girone, A. Abolins, U. Cabulis (284.4 KB): Polyols from recycled poly(ethylene terephthalate) flakes and rapeseed oil for polyurethane foams (in English)