Poly[bis(glycine ethyl ester)phosphazene]/poly(D,L-lactide-co-glycolide) blends was one kind of novel biodegradable materials.

• 聚[(双-甘氨酸乙酯)膦腈]/聚(丙交酯-共-乙交酯)共混物是一类新型的生物降解材料。