The hydrophilicity of polyesters could be raised after introducing macromolecular hydrophilic radical via copolymerization of aliphatic polyester starch with polyethylene glycol.

• 在聚酯中引入亲水基大分子(即将脂肪族聚酯淀粉共混或与聚乙二醇共聚合)可改善聚酯的亲水性能。