RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To obtain a resin composition comprising a polyester resin having suppressed lowering of molecular weight with carbon black during kneading and the carbon black and to provide a method for producing the resin composition. SOLUTION: This resin composition is characterized as comprising the polyester resin and the carbon black having <=30 ppm ash content. The method for producing the resin composition is characterized by using the carbon black having <=30 ppm ash content as the carbon black when the resin composition comprising the polyester resin having the suppressed lowering of molecular weight by kneading with the carbon black and the carbon black is produced.