With simple procedures of surface hydrolysis, acidchloride reaction and grafting, the soybean protein can be grafted onto the PAN fiber, and then protein-modified PAN fiber was obtained.

• 摘要腈纶经过表面水解、酰氯化和接枝反应等过程可以在表面接枝上大豆蛋白质，制成蛋白质接枝改性腈纶。