Application of tetramethylguanidine as wool dyeing auxiliary

Wool, as a natural fiber, has been loved by people since ancient times for its unique warmth retention, hygroscopicity and aesthetics. However, the dyeing process of wool is full of challenges because the wool fiber has a complex structure and is easily damaged by heat and chemicals. In order to improve the dyeing effect, ensure the brightness and durability of the color, and protect the fiber…