Patent ID: 11898031
Assignee: ECOVANCE CO. LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 18:
19. A biodegradable molded article, comprising a biodegradable resin composition,
wherein the biodegradable resin composition comprises a polyester resin comprising a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid; and a hydrophilic regulator,
wherein a content of the hydrophilic regular ranges from 5000 ppm to 20000 ppm based on a total amount of the biodegradable polyester resin composition, and
wherein the hydrophilic regulator has a molecular weight of 400 to 1300
wherein the hydrophilic regulator comprises:
a first oligomer having a molecular weight ranging from 415 to 425;
a second oligomer having a molecular weight ranging from 620 to 630;
a third oligomer having a molecular weight ranging from 640 to 650; and
a fourth oligomer having a molecular weight ranging from 840 to 850.