| abstract |
(57) [Problem] To provide easier production on an industrial scale than before, and to provide a conventional flame retardant, especially a flame retardant containing no halogen atom, and an in-water insulation even at a low blending amount. A flame retardant aid capable of effectively exhibiting resistance, a composite flame retardant obtained by combining the flame retardant auxiliary with a flame retardant, and a flame retardant obtained by blending the composite flame retardant with a resin A resin composition is provided. A flame retardant auxiliary comprising a reaction product of a polyalkylamine containing three or more primary and / or secondary amino groups and cyanuric chloride, and a composite flame retardant using the same And a flame-retardant resin composition. |