Fouad LAOUTID1,*, Valeriia KARASEVA1, Lucie COSTES1, 2, Sylvain BROHEZ2, Rosica MINCHEVA1, Philippe DUBOIS1
Journal of Renewable Materials, Vol.6, No.6, pp. 559-572, 2018, DOI:10.32604/JRM.2018.00004
Abstract In this study, tannic acid (TA) was investigated as flame retardant agent for PLA. Different strategies to modify its thermal degradation pathway have been explored in order to improve its charring effect. The first one consists in combining TA with organomodified montmorillonite (oMMT), and enables limiting the thermo-oxidative degradation of TA and promoting the formation of an effective char layer. Flame-retardant (FR) behavior of PLA-based composition has been found to be positively impacted by this combination since a reduction of the peak of Heat Release Rate (PHRR), more important than the value recorded when oMMT and tannic acid are used… More >
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