Development and Characterization of "Green Open-Cell Polyurethane Foams" with Reduced Flammability.
作者： Maria Kurańska , Hynek Beneš , Kamila Sałasińska , Aleksander Prociak , Elżbieta Malewska
DOI: 10.3390/MA13235459
关键词:
摘要: This work presents the cell structure and selected properties of polyurethane (PUR) foams, based on two types hydroxylated used cooking oil additionally modified with three different flame retardants. Bio-polyols from municipal waste chemical structures were obtained by transesterification triethanolamine (UCO_TEA) diethylene glycol (UCO_DEG). Next, these bio-polyols to prepare open-cell foams very low apparent densities for thermal insulation applications. In order obtain reduced flammability, PUR systems amounts (10–30 parts per hundred polyol weight—php) retardants: TCPP (tris(1-chloro-2-propyl)phosphate), TEP (triethyl phosphate), DMPP (dimethyl propylphosphonate). The retardants caused a decrease formulations reactivity. all comparable in range 12–15 kg/m3. lowest coefficients conductivity measured DMPP. values heat release rate found UCO_TEA UCO_DEG that 30 php
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