Polymer discovery By psaglun2507 1845 Nitrocellulose 1868 Celluloid 1908 Rayon 1909 Bakelite 1920 Cellophane 1926 Vinyl polychloride(PVC) 1931 Neoprene 1936 Polyethylene 1938 Teflon 1949 Tupperware 1966 Kevlar 1979 Polyesteramides