How to improve the sublimation fastness of fabrics?

1. Use high-temperature, macromolecular (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.

Among them, 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 sulfide method. This method has a good fixing effect, but the amount of waste water is large, time-consuming, and there are hidden safety hazards. It is also possible to use a new type of environmentally friendly fixing agent, such as CY-212C, which has the same fixing effect as the traditional caustic soda + sodium hydroxide method, and has less waste water, time saving, and no safety hazards. It is of great significance to energy saving and consumption reduction production.

If the conventional fixation process still fails to meet the requirements for fastness, you can use polyester sublimation fastness enhancer CY-212C when setting, and polyester sublimation fastness enhancer CY-212C can be used in the same bath with silicone oil, and only one setting is required Improve the textile fastness to above level 1.