Keywords Polylactide;block copolymers;N-vinylpyrrolidone;carbonate;ring-opening polymerization;atom transfer radical polymerization;polylactide macromolecular initiator;hydrophilicity;biodegradation;

• 聚乳酸;嵌段共聚物;乙烯基吡咯烷酮;碳酸酯;开环聚合;原子转移自由基聚合;聚乳酸大分子引发剂;亲水性;降解性;