In the textile industry, coating slurries are widely used. They are used to give textiles various special functions, such as waterproof, oil-proof, anti-fouling, flame retardant, etc. However, the adhesion of coating slurries on textiles is one of the key factors affecting their final performance. In order to improve the adhesion of coating slurries, textile chemicals thickeners play a vital role.Basic role of thickenersTextile chemical thickeners are chemicals that can increase the viscosity of solutions or suspensions. In coating slurries, the main role of thickeners is to adjust the viscosity of slurries so that they can better adapt to different textile process requirements. Thickeners effectively increase the viscosity of slurries by forming macromolecular network structures or changing the rheological properties of solutions, thereby enhancing their adhesion to textiles.Mechanisms of thickeners to improve adhesionIncreasing the contact area between slurry and textiles: thickeners can make coating slurries more evenly distributed on the surface of textiles, increasing the contact area between slurries and textile fibers. This close contact helps to form stronger physical or chemical bonds, thereby improving the adhesion of slurries.
Improve the wetting properties of the slurry: Some thickeners also have the properties of surfactants, which can improve the wetting properties of the slurry on textiles. Good wetting properties allow the slurry to penetrate more easily into the gaps between textile fibers and form a stronger bond.
Enhance the cohesion of the slurry: The thickener enhances the cohesion inside the slurry by forming a macromolecular network structure. This cohesion enables the slurry to maintain its shape and stability during the drying or curing process, thereby improving the adhesion between the coating and the textile.Adjust the curing speed of the slurry: The thickener can also affect the curing speed of the slurry. By controlling the curing speed of the slurry, it can be ensured that the slurry forms a uniform and continuous coating on the textile, avoiding the problem of poor adhesion caused by curing too fast or too slow.Selection and application of thickenersWhen selecting a textile chemical thickener, many factors need to be considered, such as the composition of the slurry, the type of textile, and the requirements of the coating process. Different thickeners have different properties and characteristics, so they need to be selected and adjusted according to the specific situation.In practical applications, the amount of thickener added also needs to be strictly controlled. Too little addition may not achieve the expected thickening effect, while too much addition may cause the slurry to be too viscous and difficult to apply. Therefore, experiments and tests are needed to determine the optimal amount of thickener added.With the continuous development and innovation of the textile industry, the requirements for the adhesion of coating slurries are getting higher and higher. As a key material for improving the adhesion of coating slurries, textile chemical thickeners have a very broad application prospect. In the future, with the continuous emergence of new materials and the continuous advancement of technology, the performance and effect of thickeners will be further improved.For example, some new environmentally friendly thickeners are gradually replacing traditional organic solvent-based thickeners to meet the market's demand for environmental protection and sustainable development. These environmentally friendly thickeners not only have excellent thickening properties, but also have good biodegradability and low toxicity, which are more friendly to the environment and human health.Textile chemical thickeners play a vital role in improving the adhesion of coating slurries. Thickener significantly improves the adhesion of coating slurry on textiles by increasing the contact area between slurry and textiles, improving the wetting properties of slurry, enhancing the cohesion of slurry and regulating the curing speed of slurry.
