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Polymers 2016, 8(9), 331;

PLA with Intumescent System Containing Lignin and Ammonium Polyphosphate for Flame Retardant Textile

Univ. Lille Nord de France, F-59000 Lille, France
ENSAIT, GEMTEX, F-59100 Roubaix, France
Institut Jean Lamour–UMR CNRS-Université de Lorraine n 7198, ENSTIB, F-88026 Epinal cedex, France
Author to whom correspondence should be addressed.
Academic Editors: Baljinder Kandola, Abderrahim Boudenne and Paul Kiekens
Received: 12 July 2016 / Revised: 26 August 2016 / Accepted: 29 August 2016 / Published: 5 September 2016
(This article belongs to the Special Issue Recent Advances in Flame Retardancy of Textile Related Products)
PDF [2747 KB, uploaded 5 September 2016]


Using bio-based polymers to replace of polymers from petrochemicals in the manufacture of textile fibers is a possible way to improve sustainable development for the textile industry. Polylactic acid (PLA) is one of the available bio-based polymers. One way to improve the fire behavior of this bio-based polymer is to add an intumescent formulation mainly composed of acid and carbon sources. In order to optimize the amount of bio-based product in the final material composition, lignin from wood waste was selected as the carbon source. Different formulations of and/or ammonium polyphosphate (AP) were prepared by melt extrusion and then hot-pressed into sheets. The thermal properties (thermogravimetric analyses (TGA) and differential scanning calorimetry (DSC)) and fire properties (UL-94) were measured. The spinnability of the various composites was evaluated. The mechanical properties and physical aspect (microscopy) of PLA multifilaments with lignin (LK) were checked. A PLA multifilament with up to 10 wt % of intumescent formulation was processed, and the fire behavior of PLA fabrics with lignin/AP formulation was studied by cone calorimeter. View Full-Text
Keywords: PLA; lignin; ammonium polyphosphate; flame retardant; melt spinning PLA; lignin; ammonium polyphosphate; flame retardant; melt spinning

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Cayla, A.; Rault, F.; Giraud, S.; Salaün, F.; Fierro, V.; Celzard, A. PLA with Intumescent System Containing Lignin and Ammonium Polyphosphate for Flame Retardant Textile. Polymers 2016, 8, 331.

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