Vigilancia Tecnológica

A biodegradable polyester resin composition preparation method, according to one embodiment, comprises a step for adjusting moisture content in a polymer composition obtained by reacting diol, aromatic dicarboxylic acid and aliphatic dicarboxylic acid, and thus enables providing a biodegradable polyester resin composition, a biodegradable polyester sheet, a biodegradable polyester film, or a biodegradable polyester molded article, having excellent degree of hydrolysis and biodegradability, and having mechanical properties such as strength, shock absorption energy, and tear strength after notching improved simultaneously.