Weijun Yang1†, Xiaomin Zhao2†, Elena Fortunati1, Franco Dominici1, Jose M. Kenny1, Debora Puglia1*, De-Yi Wang2*
Journal of Renewable Materials, Vol.5, No.5, pp. 423-434, 2017, DOI:10.7569/JRM.2017.634146
Abstract Presented herein is a deep investigation of the fire, mechanical and thermal performances of poly(lactic acid) (PLA)-based nanocomposites, which were obtained by combining cellulose nanocrystals (CNC) with various contents of N,N’-diallyl-phenylphosphoricdiamide (P-AA) via a two-steps masterbatch melt extrusion process (glycidyl methacrylate grafting on PLA and CNC premixing with PLA). Results have shown that the value of the limiting oxygen index (LOI) increased to 28.8% and a V-0 rating in UL94 test was obtained when 2 wt% of P-AA was added in the presence of cellulose nanocrystals (3 wt%). The incorporation of CNC induced a decrease of both PHRR and THR… More >
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