POLYESTER RESIN FOR FLAME RETARDANT FIBER, FLAME RETARDANT FIBER HAVING EXCELLENT DYEABILITY, AND PREPARATION METHOD THEREFOR

摘要

The present invention relates to a polyester resin used for manufacturing a flame retardant fiber and, more specifically, to a polyester resin which can be used for manufacturing a flame retardant fiber having not only flame retardancy but also excellent dyeability, with the introduction of a specific flame retardant material into a polyester compound polymerized to have the optimal composition and composition ratio.