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Influence of chemical shell structure on the thermal properties of microcapsules containing a flame retardant agent |
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| Authors: | S Giraud G Bedek S Bourbigot |
| Institution: | a Ecole Nationale Supérieure des Arts et Industries Textiles (ENSAIT) - Génie et Matériaux Textiles (GEMTEX), 2 allée Louise et Victor Champier, BP 30329, 59056 Roubaix cedex 01, France b Centre d'Etudes et de Recherche en Matériaux et Emballage (CERME), École Supérieure d'Ingénieurs en Emballage et Conditionnement (ESIEC), Esplanade Roland Garros - Technopôle Henri Farman BP 1029 - 51686 Reims Cedex, France c Procédés d'Élaboration des Revêtements Fonctionnels (PERF), LSPES UMR-CNRS 8008, École Nationale Supérieure de Chimie de Lille (ENSCL), BP 90108, 59652 Villeneuve d'Ascq Cedex, France |
| Abstract: | Microcapsules containing ammonium phosphate as the acid source for an intumescent system were prepared by various processes. The microcapsules have different morphologies, load content and various types of polymeric shell. The polymers for our microcapsule shell are polymers considered as carbon source for intumescent formulations. In this paper we discuss the influence of polymeric shell and phosphate content of the microcapsules on the capacity to produce a thermally stable residue at high temperature, one of the characteristics for an intumescent formulation. |
| Keywords: | Microencapsulation Di-ammonium hydrogen phosphate Intumescence Thermal stability Charring polymer |
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