Polymer solutions are mixtures where a polymer, a large molecule made up of repeating units, is dissolved in a solvent. This process allows the polymer to disperse evenly, creating a homogeneous solution. Common examples of polymers include polyethylene and polystyrene, while typical solvents can be water or organic compounds. These solutions are important in various industries, including pharmaceuticals, food, and materials science. They are used to create products like gels, coatings, and adhesives. Understanding polymer solutions helps in designing materials with specific properties, such as viscosity and elasticity, which are crucial for their intended applications.