Iron tailings/ammonium polyphosphate system in rigid polyurethane foam composites to enhance fire safety: a novel strategy for utilization of metallurgical solid waste
Abstract:Iron tailings (ITs) is a solid waste after mineral processing, but the high value utilization of ITs has always been a problem perplexing the industry. In order to broaden its application field, it was compounded with ammonium polyphosphate (APP) to make rigid polyurethane foam flame retardant. SEM, limiting oxygen index, UL-94 vertical combustion, TGA, the cone calorimetry test (CCT), thermogravimetric analysis-Fourier transform infrared spectroscopy (TG-FTIR) and Raman tests were used to characterize the bub… Show more
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