The process conditions were optimized by orthogonal expts. for rare earth element (REE) pre-mordant and post-mordant dyeing of modified cotton fabrics with Radixet Rhizoma Rhei (RRR) dye.

• 摘要通过正交试验，优化出大黄用于改性棉织物稀土预媒、后媒染色的最优工艺条件。