2021-11-03

In the dry heat treatment process of polyester fibers dyed with disperse dyes, the color fastness decline and shade variation are caused by the thermal migration of disperse dyes. The so-called thermal migration refers to a phenomenon in which part of the dye migrates from the inside of the fiber to Read More

2021-09-22

Dye selection, nylon is a hydrophobic fiber, but the macromolecule contains a large number of weakly hydrophilic groups (- CONH -), and there are-NH2,-COOH hydrophilic groups at both ends of the molecule, so a variety of dyes can be used for dyeing . Read More

2021-05-26

(1) Determined by the characteristics of the dye itself Indigo denim is woven from warp yarns dyed with indigo dye and weft yarns that are not dyed. Read More

2021-04-28

Fabric structure: The fabric's loose thickness, tightness (coverage or porosity) and the original yarn structure, the number of fibers in the cross section, twist, hairiness, etc., have differences in the shielding effect of ultraviolet rays. Read More

2021-03-24

Fixing agent and dye anion generate insoluble salt or form lake on fiber. Read More