Poly(styrene-alt-maleic acid) sodium salt solution is widely used as a dispersant and stabilizer in various industrial applications. In the paint and coatings industry, it helps improve the dispersion of pigments, ensuring a uniform color and enhancing the stability of the final product. It is also employed in water treatment processes, where it acts as a scale inhibitor, preventing the buildup of mineral deposits in pipelines and equipment.

In the textile industry, this polymer solution is utilized as a sizing agent, providing strength and smoothness to fibers during weaving. Additionally, it finds application in the paper industry as a retention aid, improving the efficiency of pulp processing and enhancing the quality of the paper. Its ability to form stable emulsions makes it valuable in the production of adhesives and sealants, where it contributes to better bonding and durability.

In biomedical research, this solution is used in the preparation of hydrogels and drug delivery systems due to its biocompatibility and ability to form cross-linked networks. Its versatility and effectiveness in various fields make it a crucial component in many industrial and scientific processes.