Wool and cotton blended yarn dyeing process

The invention discloses a dyeing process of wool and cotton blended yarns. The dyeing process comprises the following steps: step 1, modifying pure cotton single yarns; step 2, doubling; step 3, pretreatment; step 4, dyeing; step 5, soaping; and step 6, softening treatment. The invention belongs to the technical field of wool dyeing, and particularly relates to a wool and cotton blended yarn dyeing process which shortens the process time, reduces the production cost, can improve the homochromatism of wool and cotton during bath dyeing, and ensures that the quality of the wool is not greatly damaged. 本发明公开了一种毛棉混纺纱线染色工艺，包括如下步骤：步骤1：纯棉单纱的改性；步骤2：并线；步骤3：前处理；步骤4：染色；步骤5：皂洗；步骤6：柔软处理。本发明属于羊毛染色技术领域，具体是指一种缩短工艺时间，降低生产成本，同时能改善羊毛和棉浴染色时的同色性，保证羊毛的品质不遭受大幅损伤的毛棉混纺纱线染色工艺。