PolyAMPS, or poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (trademark of the Lubrizol Corporation), is an organic polymer. It is water-soluble, forms gels when cross linked, and acts as a strong anionic polyelectrolyte. It can be used for ion exchange resins. It can form hydrogels. See also 2-Acrylamido-2-methylpropane sulfonic acid (AMPS) Acrylate polymers Polyelectrolytes