Polymer discovery By nayra zuazu palacios 1845 Nitrocellulose 1868 celluloid 1908 Rayon 1909 Bakelite 1920 Cellophane 1926 vynil polychloride (pvc) 1931 Neprene 1931 Nylon 1936 Polyethylene 1938 teflo 1949 tupperware 1966 Kevlar 1979 Polyesteramides
