| abstract |
Provided is a polyethylene glycol methyl ether-polylactide block copolymer with an amino acid end group as shown in formula (I), wherein R is an amino acid group, a=11-455, b=3-300, the molecular weight of the polyethylene glycol methyl ether block is 500-20000, and the molecular weight of the polylactide block is 500-50000. Also provided is a method for preparing the polyethylene glycol methyl ether-polylactide block copolymer with an amino acid end group as shown in formula (I), and the use thereof. |