Self-extinguishing polymeric compositions

C - Chemistry – Metallurgy – 08 – K

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C08K 3/32 (2006.01) C08K 5/3492 (2006.01) C08K 5/52 (2006.01) C08L 23/02 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1207933

Abstract Self-extinguishing polymeric compositions based on thermoplastic polymers, comprising, for 100 parts by weight of total composition : 1) from 10 to 20 parts by weight of an ammonium phos- phate or of an amine phosphate; and 2) from 5 to 8 parts by weight of an oligomer or polymer derived from 1,3,5-triazine, having general formula : Image wherein: X = R1-?H group, or a heterocyclic radical contain- ing in the ring at least a nitrogen atom, and linked to the triazine ring through one of such nitrogen atoms, R1 = alkyl or cycloalkyl, R2 = divalent radical of piperazine, of the type Image or a divalent radical of the type n = an integer from 2 to 50, extremes included, m = an integer from 2 to 6, extremes included.

446790

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