Patent ID: 9447236
Filing Date: 2016-09-20
CPC Classification: B01J,C08G

Claim Text:
1. A method of manufacturing polyalkylene carbonate comprising: solution-polymerizing an epoxide compound and continuously or non-continuously injected carbon dioxide in the presence of a catalyst represented by the following Chemical Formula 1 and 1,2-ethylene dichloride as a solvent, wherein the solvent is used at a weight ratio of 1:0.1 to 1:0.51 based on the epoxide compound: in Chemical Formula 1, Q is C1-C20 alkylene, C3-C20 cycloalkylene, C6-C30 arylene, or C1-C20 dioxy radical, including or not including halogen, nitrogen, oxygen, silicon, sulfur, or phosphorus atom, R R n is an integer of 1 to 10, and X is −Cl, −NO