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

Claim 13:
14. The biodegradable polyester resin composition according to claim 13, wherein a hydrolysis degree after four weeks is 85% or more,
wherein the hydrolysis degree after four weeks is a number average molecular weight reduction rate, compared to an initial number average molecular weight of the biodegradable polyester resin composition, of the biodegradable polyester resin composition placed for four weeks under high-temperature and high-humidity conditions of 80° C. and a relative humidity of 100%, and
a hydrolysis degree increase rate from one week to two weeks is 29%/week to 50%/week, and a hydrolysis degree increase rate from three weeks to four weeks is 0.01%/week to 3%/week.