The polyelectrolyte sponges (CSAL) were satisfactorily prepared by freeze-drying the mixing solution of chitosan (CS) and sodium alginate (AL).

• 摘要将壳聚糖(CS)和海藻酸钠(AL)溶液混合，利用冷冻干燥的方法成功地制备出CSAL聚电解质海绵。