Dyestuff industry experts

Disperse TXF Series
Home » Information » Industry Encyclopedia » How to improve sublimation fastness?

How to improve sublimation fastness?

Views: 17     Author: Site Editor     Publish Time: 2021-02-09      Origin: Site


facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

Sublimation fastness: refers to the migration and vaporization of dye molecules inside the fabric when heated during high-temperature processing or storage of colored fabrics. Dye molecules will migrate from the fabric to the surface of the fabric when heated, which will reduce the color fastness of the fabric and seriously affect the quality of the textile. The sublimation fastness is evaluated by the gray graded sample card for the degree of discoloration, fading and staining of the white cloth after the dry hot pressing treatment. There are 5 grades, 1 is the worst, and 5 is the best. Generally, the sublimation fastness of textiles and clothing is required to be above 3-4.

Sublimation fastness


Improve methods:

1. Use high-temperature, macro molecular (above 350) disperse dyes;

2. Auxiliary selection, use good fixing agent and fastness enhancer;

3. The choice of process flow is one-time shaping or high-temperature shaping first and then low-temperature rolling additives.

The selection of additives can be divided into two parts, the fixing agent after dyeing, and the fastness enhancer during high temperature setting. The fixing agent can use the conventional caustic soda + sodium hydroxide method, which has a good fixing effect, but the amount of waste water is large, time-consuming, and there are hidden safety hazards.


Related Articles

content is empty!

Didn't find what you want?

We look for the best partner to share our product range and our philosophy! Welcome to be our next partner!
You can contact us now and tell us what you need, and we will reply to you immediately.
Contact us



copyright 2020 ©  Hangzhou Tiankun Chem Co.,Ltd 杭州天昆化工有限公司