Method for producing resin composition

Abstract

A method for producing a resin composition according to the present invention comprises: a management step for performing management by recovering non-standard products generated in a manufacturing process of a thermoplastic resin and classifying the products according to grades based on a design factor A; a regeneration step for obtaining regenerated products by collectively regenerating the non-standard products classified under each grade; and a compound step for screening the regenerated products obtained in the regeneration step, on the basis of a design factor B for compounded products, and carrying out compounding on the resulting products.

Dependencies are inferred from the claim text.