In textiles, silicone emulsions are used as a finishing agent to impart various properties to the substrate. Some common functions of silicone emulsions in textile include:

1. Softening: Silicone emulsions can be used to impart softness and smoothness to fabrics, making them more comfortable to wear and improving their drape.
2. Lubrication: Silicone emulsions are used as lubricants in textile processing to reduce friction between fibers and machinery, improving efficiency and reducing wear and tear.
3. Water repellency: Silicone emulsions can be used to make textiles water-repellent, which is useful for outdoor and sportswear applications.
4. Stain resistance: Silicone emulsions can help to make fabrics more resistant to stains, which can be important for applications such as upholstery and automotive textiles.
5. Anti-static properties: Silicone emulsions can be used to impart anti-static properties to fabrics, making them less prone to static buildup and cling.
6. Heat resistance: Silicone emulsions can improve the heat resistance of textiles, making them suitable for use in high-temperature applications.
7. Dimensional stability: Silicone emulsions can help to improve the dimensional stability of fabrics, reducing shrinkage and stretching.
8. Wrinkle resistance: Silicone emulsions can be used to impart wrinkle resistance to fabrics, making them easier to care for and reducing the need for ironing.

Overall, silicone emulsions offer a range of properties that can be useful in textile processing, from softening and water repellency to stain resistance and anti-static properties. They can be applied to a wide range of textile substrates using various methods such as padding, spraying, or exhaust.