New complexes of bismuth or antimony halides with amines, suitable as flame retardants for polymers, and polymer compositions containing same

摘要

The new complexes of bismuth or antimony halides with amines having formula: R.(MeX3)y, where R is dicyandiamide, guanamine, 2-guanidinobenzoimidazole, isophorondiamine, melamine, piperazine or a compound containing from 2 to 9 triazino-rings condensed or linked to each other through at least a -NH- group; Me is Bi or Sb X is chlorine or bromine y is a number from 0.3 to 4, are suitable as flame retardants for thermoplastic polymers.