Archivio Istituzionale della RicercaA new and ecofriendly chemical approach uses inexpensive waterglass solutions in order to promote the formation of a silica-based coating on hemp fabrics; this green coating is able to act as a thermal shield and to protect the latter from heat sources. The waterglass treatment improves the fire behavior of hemp fabric/epoxy composites, also in combination with ammonium polyphosphate, and favors a remarkable decrease of the heat release rate, total heat release, total smoke release and specific extinction area (respectively by 83%, 35%, 45% and 44%) as compared to untreated hemp/epoxy composites, favoring the formation of a very stable char.
Flame retardancy and mechanical properties of ecofriendly coated hemp fabrics/epoxy composites / Bifulco, A., Capasso, A., Durante, M., Piccolo, A., Mazzei, P., Costantini, A., Silvestri, B., Pennetta, M., Malucelli, G., Branda, F.. - ELETTRONICO. - 1981:(2018), pp. 1-4. (9TH INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology Ischia, Italy 17–21 June 2018) [10.1063/1.5045896].
Flame retardancy and mechanical properties of ecofriendly coated hemp fabrics/epoxy composites
Giulio Malucelli;
2018
Abstract
A new and ecofriendly chemical approach uses inexpensive waterglass solutions in order to promote the formation of a silica-based coating on hemp fabrics; this green coating is able to act as a thermal shield and to protect the latter from heat sources. The waterglass treatment improves the fire behavior of hemp fabric/epoxy composites, also in combination with ammonium polyphosphate, and favors a remarkable decrease of the heat release rate, total heat release, total smoke release and specific extinction area (respectively by 83%, 35%, 45% and 44%) as compared to untreated hemp/epoxy composites, favoring the formation of a very stable char.
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https://hdl.handle.net/11583/2710931
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