The chrome-free tannage of pig skin sofa leather had been studied.And the chrome free tanning process combined with modified glutaraldehyde and other chrome-free tannaings had been gotten.

• 摘要采用改性戊二醛、改性拷胶、铝鞣剂、合成操剂等无铬鞣剂，通过正交试验，优化出了多种鞣剂结合鞣制猪皮沙发革的无铬鞣制工艺。