abstract |
Self-extinguishing polymeric compositions comprising ammonium polyphosphate having the general formula (I):(NH4)n+2PnO3n+1(I)microencapsulated with condensation compounds obtained by means of the polymerization of polyaminic compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (II): <IMAGE> (II) with aldehydes, preferably formaldehyde. |