US 11,926,699 B2
Aliphatic polyester composition
Jie-Cheng Li, Taipei (TW); and Te-Shun Lin, Taipei (TW)
Assigned to CHANG CHUN PLASTICS CO., LTD., Taipei (TW)
Filed by CHANG CHUN PLASTICS CO., LTD., Taipei (TW)
Filed on Jan. 18, 2022, as Appl. No. 17/577,514.
Claims priority of application No. 202111508210.8 (CN), filed on Dec. 10, 2021; and application No. 110146326 (TW), filed on Dec. 10, 2021.
Prior Publication US 2023/0183420 A1, Jun. 15, 2023
Int. Cl. C08G 63/16 (2006.01)
CPC C08G 63/16 (2013.01) [C08G 2230/00 (2013.01)] 20 Claims
 
1. An aliphatic polyester composition comprising polybutylene succinate; wherein the proton nuclear magnetic resonance of the aliphatic polyester composition has a first characteristic peak and a second characteristic peak, the first characteristic peak is at 3.84 ppm to 4.32 ppm, the second characteristic peak is at 5.65 ppm to 5.85 ppm, and the integral value of the second characteristic peak is less than 0.10 based on the integral value of the first characteristic peak as 100.