1. Different types of dyeing auxiliaries: Introduce different types of dyeing auxiliaries, including ionic, non-ionic, etc., and explain how they help improve the dyeing effect of fabrics.
2. Improve color fastness: Explain the importance of dyeing auxiliaries to color fastness in fabric dyeing, and introduce how to choose appropriate dyeing auxiliaries to improve the long-term retention of fabric color.
3. Washing effect: Introduce the role of dyeing auxiliaries in the washing process. For example, dyeing auxiliaries can help reduce stains and damage from ultraviolet rays, and improve the softness and feel of fabrics.
4. Environmental sustainability: Introduce the impact of dyeing auxiliaries on environmental pollution, and explore how to use environmentally friendly dyes and auxiliaries to achieve a sustainable dyeing process.
5. Development of new technologies: Introduce new technologies in the field of dyeing auxiliaries, such as nano dyeing auxiliaries, functional dyeing auxiliaries, etc., and demonstrate their potential in improving fabric dyeing effects and sustainability.