(Plasticized) Polylactide/clay nanocomposite textile: thermal, mechanical, shrinkage and fire properties
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Various quantities of Cloisite® 30B (from 1% to 4% in weight) have been added to a polylactide matrix by melt blending to produce polylactide-based nanocomposites. Then, these blends have been melt-spun to produce multifilaments yarns. It is demonstrated that it is necessary to use a plasticizer to spin a blend with 4% in weight of Cloisite® 30B. The properties of these yarns have been studied (dispersion of the clay, thermal, mechanical and shrinkage properties). A decrease of the tensile properties is observed when the quantity of Cloisite® 30B increases, but an improvement of the thermal and shrinkage properties is highlighted. These multifilaments have been knitted and the flammability studied using cone calorimeter at 35 kW/m2. A strong decrease, up to 38%, of the heat release rate has been measured.
The authors are very grateful to Interreg III “France-Wallonie”, Région Wallonne, Région Nord Pas de Calais and European Union (FEDER) for the financial support in the frame of interregional project MABIOLAC. SMPC thanks the Belgian Federal Government Office of Science Policy (SSTC-PAI 5/3) for general support and is much indebted to both «Région Wallonne» and the European Commission “FSE and FEDER” for financial support in the frame of Phasing-out Hainaut: Materia Nova.
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