The best proportion of the membrane was determined by means of orthogonal design: oxidized starch (O-ST) 20%, gelatin 5%, glycerin 16%, SDS 4%.

• 由正交实验确定了最佳质量配比：氧化淀粉(O-ST)20%25、明胶5%25、甘油16%25、十二烷基硫酸钠(SDS)4%25。