A novel electrically conductive, flame retarded bio-based TPU compound

Dos Santos Barrettino, Rosane Moura and Oberrauch, Ermanno and Marchizza, Matteo and Tognola, Guido and Malucelli, Giulio and Castrovinci Cercatore, Andrea (2015) A novel electrically conductive, flame retarded bio-based TPU compound. In: Trends in Fire Safety and Innovative Flame Retardants for Plastics, 18-19 March 2015, Würzburg, Germany.

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This work present a novel bifunctional compound made of a bio-based polyurethane, designed and prepared to guarantee both flame retardancy and electrical conductivity. The compound is an halogen-free no-burning polymeric materials (UL94-V0) with electrical resistivity of about 103 Ω•cm (ATEX compliancy). Different phosphorous flame retardants and conductive carbon nanotubes have been properly combined, exploiting synergisms among additives, material structure and process. Particularly, the total fraction of phosphorous flame retardants is 15%-wt. This contribution will provide the description of the R&D work done to get this result.

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