Abstract
In this work, a phosphorous-based compound (DOPO-ICN) was obtained by a two-step process. 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) reacted with formaldehyde firstly, followed with reacting with 1,6-hexane diisocyanate (HDI). The chemical structure of DOPO-ICN was confirmed by Fourier transform infrared spectroscopy (FTIR) and 1H NMR. The influence of DOPO-ICN on the mechanical and flammability properties of jute/PLA composites was studied. Compared to DOPO, DOPO-ICN improved the tensile, flexural and impact strength of the flame retardant jute/PLA composites. Moreover, the flammability of jute/PLA composites with different DOPO and DOPO-MA loading was investigated by thermogravimetric analysis (TGA), UL 94 test and limiting oxygen index (LOI) measurements. The results showed that DOPO-ICN imparted the flame retardancy to the jute/PLA composites.
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Yu, T., Ding, D., Sheng, C. et al. Enhanced mechanical properties and flame retardancy of short jute fiber/poly(lactic acid) composites with phosphorus-based compound. Sci. China Technol. Sci. 60, 1716–1723 (2017). https://doi.org/10.1007/s11431-016-9009-1
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DOI: https://doi.org/10.1007/s11431-016-9009-1