Collagen modified acrylic fibre was prepared with collagen extracted from leather wastes as raw material which was grafted with acrylonitri le and mixed and spinned together with poly acrylonitrile.

• 以从皮革废弃物中提取的胶原蛋白为原料,经丙烯腈接枝改性后与聚丙烯腈共混纺丝,制成了胶原蛋白改性腈纶纤维。