Teflon is a polymer of Tetrafluoroethylene. Polytetrafluoroethylene is a vinyl polymer, and its structure. Polytetrafluoroethylene is made from the monomer tetrafluoroeth- monomer terafuoroeth-ylene by free radical vinyl polymerization. Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. The well-known brand name of PTFE-based formulas is Teflon.