2021-11-16

Polyester fabric is not only strong and durable, but also has the characteristics of good elasticity, resistance to deformation, corrosion resistance and good light fastness. It is a kind of chemical fiber clothing fabric that is used very much in daily life.The conventional process of pure polyeste Read More

2021-07-30

The fading and discoloration of dyed fabrics is a relatively complicated process. Under the action of sunlight, the dye absorbs light energy and the molecule is in an excited state. It is unstable. The energy obtained must be released in different forms to become a stable state. One of the forms is Read More

2021-07-13

Reactive dyes generally have poor chlorine fastness, which mainly depends on the molecular structure of the color body. There are sulfonic or carboxylic acid groups at the ortho position of the diazo group of the dye, or there are sulfonates at the ortho or para position of the hydroxyl group of the Read More

2021-06-18

Factors affecting the light fastness of dyes 1. The wavelength of the light source and the irradiated light; 2. Environmental factors; 3. The chemical properties and organizational structure of the fiber; 4. Bonding strength between dye and fiber; 5. The chemical Read More

2021-03-22

Light fastness refers to the degree of discoloration of colored fabrics by sunlight. Read More