Acrylic Chemistry: What is Monomer?

• A. A polymer
• B. A powder
• C. A solvent
• D. A simple liquid compound whose molecules can join together to form polymers.

Answer: (D)

Think of monomer as the basic small building block in acrylic systems. It’s a simple liquid that can link with other monomer molecules to form long polymer chains. In practice, the liquid monomer (often ethyl methacrylate) bonds with the polymer powder to build the solid acrylic film on the nail. It is not a polymer itself, nor a powder, and while some liquids can act as solvents in other contexts, the defining role here is its ability to polymerize and form the acrylic polymer network.