Analysis of the production process of textile printing adhesives

As a key material in the textile printing process, textile printing adhesives directly affect the fastness, feel and durability of the printed pattern. With the improvement of environmental protection requirements and the growing market demand for high-quality printing products, its production process is also constantly being optimized. This article will introduce the main production process of textile printing adhesives in detail to help industry practitioners have a deeper understanding of the technical points in this field.

​​Raw material preparation and pretreatment​​
The production of textile printing adhesives starts with the selection of raw materials. The main raw materials include synthetic resins (such as acrylates, polyurethanes, etc.), solvents, additives (such as emulsifiers, thickeners), etc. These raw materials must undergo strict quality testing to ensure that the purity and stability meet the production requirements. Some raw materials may need to be pretreated, such as resin polymerization or solvent purification, to ensure the smooth progress of subsequent processes.

​​Polymerization reaction and formulation​​
After the raw material preparation is completed, the core polymerization reaction stage is entered. Taking acrylate adhesives as an example, solution polymerization or emulsion polymerization is usually used to combine monomer molecules into high molecular polymers through the action of initiators. During the reaction, the temperature, pH value and reaction time must be strictly controlled to ensure that the molecular weight and performance of the polymer meet the expectations. Subsequently, according to the product application (such as reactive printing, disperse printing, etc.), the synthetic resin is mixed with solvents and additives in a specific proportion to form a stable adhesive system.

​​Filtration and packaging​​
After the polymerization reaction is completed, the adhesive needs to be finely filtered to remove unreacted monomers, impurities or particles to ensure the purity of the product. The filtered adhesive will be injected into a sealed container to avoid contact with air and deterioration. Some products also need to add stabilizers or preservatives to extend the shelf life.

​​Quality control and testing​​
Before packaging, each batch of adhesive must pass strict quality testing, including indicators such as viscosity, solid content, adhesion and washability. Only products that meet the standards can enter the market to ensure the stability of the downstream printing process and the quality of the finished product.

The production process of textile printing adhesives combines chemical synthesis and precision processing technology. Its optimization not only improves the printing effect, but also promotes the green development of the textile industry. In the future, with the research and development of environmentally friendly adhesives, this field will continue to move towards efficiency and sustainability.