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Novel Bio-based Flame Retardant Systems Derived from Tannic Acid

Fouad LAOUTID1,*, Valeriia KARASEVA1, Lucie COSTES1, 2, Sylvain BROHEZ2, Rosica MINCHEVA1, Philippe DUBOIS1

Laboratory of Polymeric & Composite Materials, Materia Nova Research Center -University of Mons-UMONS, Place du Parc 23, B-7000 Mons (Belgium)
Service de Génie des Procédés Chimiques; Faculté Polytechnique-University of Mons-UMONS, Place du Parc 23, B-7000 Mons (Belgium)

*Corresponding Author: email

Journal of Renewable Materials 2018, 6(6), 559-572. https://doi.org/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 separately, has been obtained. The second strategy, in which tannic acid was associated with a biosourced phosphorous-based compounds, i.e. metallic phytate salt, evidenced another alternative allowing enhancing TA flame retardant effect at 30 wt% loading content. The third and last strategy explored aims to chemically modify TA via a chemical grafting of phosphoric acid groups. This phosphorylated TA was shown to present the most effective flame-retardant (FR) effect. However, an important reduction of PLA molecular weight was observed.

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APA Style
LAOUTID, F., KARASEVA, V., COSTES, L., BROHEZ, S., MINCHEVA, R. et al. (2018). Novel bio-based flame retardant systems derived from tannic acid. Journal of Renewable Materials, 6(6), 559-572. https://doi.org/10.32604/JRM.2018.00004
Vancouver Style
LAOUTID F, KARASEVA V, COSTES L, BROHEZ S, MINCHEVA R, DUBOIS P. Novel bio-based flame retardant systems derived from tannic acid. J Renew Mater. 2018;6(6):559-572 https://doi.org/10.32604/JRM.2018.00004
IEEE Style
F. LAOUTID, V. KARASEVA, L. COSTES, S. BROHEZ, R. MINCHEVA, and P. DUBOIS "Novel Bio-based Flame Retardant Systems Derived from Tannic Acid," J. Renew. Mater., vol. 6, no. 6, pp. 559-572. 2018. https://doi.org/10.32604/JRM.2018.00004

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cc Copyright © 2018 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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