POLYORGANOSILOXANE-CONTAINING GRAFT COPOLYMER, FLAME RETARDANT COMPOSED OF THE SAME, AND RESIN COMPOSITION CONTAINING THE SAME

摘要

Disclosed is a resin composition having excellent impact resistance at low temperatures wherein the contents of halogens and phosphorus are reduced and the balance between flame retardance and impact resistance is excellent. Further disclosed is a halogen-free, phosphorus-free resin composition having excellent impact resistance at low temperatures wherein the balance between flame retardance and impact resistance is excellent. Also disclosed is a graft copolymer as a modifier which enables to obtain such a resin composition. Specifically disclosed is a polyorganosiloxane-containing graft copolymer containing a polyorganosiloxane moiety (A) and a polymer moiety (B) having at least a unit derived from a radical reactive group-containing ultraviolet absorbent (B'). Also specifically disclosed are a flame retardant composed of such a graft copolymer and a resin composition containing such a graft copolymer.