Modified polyester-based resin, adhesive resin composition, and laminate

Abstract

The present invention provides a modified polyester-based resin, an adhesive resin composition having a high biodegradation rate and excellent adhesiveness, and a laminate using the same. The modified polyester-based resin composition according to the present invention is a copolymer in which an aliphatic-aromatic polyester-based resin is graft-modified with at least one selected from the group consisting of an α,β-unsaturated carboxylic acid and an anhydride thereof, and contains a succinic acid unit as an aliphatic dicarboxylic acid unit constituting the aliphatic-aromatic polyester-based resin.

Dependencies are inferred from the claim text.