Carboxymethyl chitosan/gelatin hydrogel were prepared by blending the caoboxymethyl chitosan and gelatin using the dialdehyde starch as the crosslinking agent.

• 2、将羧甲基壳聚糖与明胶共混，再以双醛淀粉为交联剂，制备了羧甲基壳聚糖/明胶共混水凝胶。