Kevlar and Teflon history
KEVLAR Kevlar was founded by Stephanie Kwolek and Herbert Blades of the DuPoint Corporation, and was introduced in 1970. ... Originally developed as a replacement for steel in radius tires, Kevlar is now used in a wide range of applications, one example being bullet proof vests. Kevlar is an aramid, a term invented as an abbreviation for aromatic polyamide. This chemical composition of Kevlar is poly para-phenyleneterephthalamide, more commonly known as para-aramid Aramids belong to the family of nylons. ... The aramid ring gives Kevlar thermal stability, while the para structure gives it high strength and modulus.