With varied proportions of lactic acid/adipic acid in the structure of polyester diol, the effects on the size of particle, hydrophilicity, biodegradability of polyurethane emulsion were studied.

• 研究了二元醇结构中不同的乳酸／己二酸比例对聚氨酯乳液的粒径、亲水性及生物降解性的影响。