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Open-cell bio-based polyurethane foams modified with biopolyols from non-edible oilseed radish oil

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Abstract

Intensive research is currently being carried out worldwide to replace fossil raw materials with renewable ones or waste based on chemical synthesis. However, it is important that the newly developed raw materials do not conflict with global food production and recommend the use of non-edible or waste raw materials. Therefore, modified non-edible oilseed radish oil was used in the synthesis of polymeric materials. The functionalization of the oil was achieved through one-step, solvent-free transesterification process with triethanolamine, diethylene glycol, polypropylene glycol, ethylene glycol and propylene glycol. Biopolyols with hydroxyl numbers in the range of 237–346 mg KOH/g and different chemical structures were obtained. Open-cell polyurethane foams were produced by replacing 100% of the original petrochemical polyol with the biopolyols. The influence of the chemical structures of the biopolyols on the properties of the thermal insulation materials was analysed. The foams were characterised by low apparent densities of about 16 kg/m3. The type of biopolyol did not have a significant influence on the mechanical strength of the foams. A thermal analysis of the polyurethane biofoams was also carried out.

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EM and MK contributed to conceptualization; EM, MK and MK was involved in methodology; JS, MK and JB contributed to formal analysis and investigation; EM, MK, JS, MK and JB was involved in writing—original draft preparation; EM and MK contributed to writing—review and editing; EM and MK was involved in supervision.

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Correspondence to Elżbieta Malewska.

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Malewska, E., Kirpluks, M., Słota, J. et al. Open-cell bio-based polyurethane foams modified with biopolyols from non-edible oilseed radish oil. Clean Techn Environ Policy (2024). https://doi.org/10.1007/s10098-024-02740-2

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  • DOI: https://doi.org/10.1007/s10098-024-02740-2

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