Teflon : Teflon is a polymer of tetrafluoratheylane. It is used for coating articles and cookware to make then non-sticky
$\underset{\text{Tetra
fluoroethylene}}{{nF_{2}C = CF_{2}}}$ $\ce{ ->[{Heat}][{pressure}] }$ — $\underset{\text{Teflon}}{{(F_{2}C — CF_{2})_{n} —}}$ Nylon 66 : Nylon $66$ is a polymer of adipic acid and hexamethylene diamine. It is used in making bristles for brushes etc
$\underset{\text{Hexamethylene
diamine}}{{nH_{2}N(CH_{2})_{6} NH_{2}}}+nHOOC + \underset{\text{adipic acid}}{{(CH_{2})_{4}COOH }} \to$ Glyptal : It is a polymer of etheylene glycol and phthalic acid. It is used in the manufacture of paints etc Buna-S : Buna-$S$ is a polymer of butadiene and styrene
