PROCESS FOR POLYMERIZING ß-BUTYROLACTONE

文件类型：PDF文档
文件大小：2071K
A process for polymerizing ß-butyrolactone is disclosed comprising contacting racemic ß-butyrolactone or an enantiomer thereof with a catalyst/initiator system which comprises a rare earth metal, a chiral ligand, at least one nucleophilic ligand, optionally at least one solvent ligand, and optionally an alkali based co-catalyst.