2024年10月21日 · What is Acrylic. Acrylic, also known as polymethyl methacrylate (PMMA) and commonly referred to by brand names such as Plexiglas, Lucite, and Perspex, is a synthetic polymer composed of repeating units of the monomer methyl methacrylate (MMA). The chemical structure of acrylic consists of carbon (C), hydrogen (H), and oxygen (O) atoms arranged ...