| abstract |
The invention discloses a preparation method and application of a chiral aminoanilino ligand and an aluminum complex thereof. The structural formula of the ligand is shown in the following formula A, wherein R1 is an alkyl group with a C1-C4 linear or branched chain structure. The aluminum compound of the invention can efficiently catalyze the ring-opening polymerization reaction of lactide. The ligand and aluminum compound of the present invention are simple to synthesize, high in product yield, stable in properties, high in catalyst activity, good in selectivity, good in performance of the obtained polymer, and the molecular weight and stereoscopic properties of the polymer can be regulated by controlling the polymerization reaction conditions. selective. |