Methacrylic acid Methacrylic acid 79-41-4 Atofina Acrylic Monomers Soluble in water Basic MethAcrylic Monomers The family of MethAcrylic Monomers includes Methyl Methacrylate (MMA), the most common methacrylate. MMA is used to make paints, plastic impact modifiers, plastic industry process aids, glues and adhesives. MMA is also used in glazing sold under the trademarks Altuglas® and Plexiglas®. The Methacrylic Monomer family also includes Methacrylic Acid (MAA) which is used as a water soluable polymer for dispersing and thickening agents, and as a commoner for paints, varnishes, adhesives, papers, leather, and non-woven textiles Methacrylic acid (MAA). Used as a co-monomer for paints and varnishes.