1845 - Nitrocellulose By Emma Domínguez Martín 1868 1868 - Celluloid 1907 Brakelite 1908 Rayon 1920 Cellophane 1926 Polyvinyl chloride (PVC) 1931 Neoprene 1935 Nylon and neoprene 1936 Polyethylene 1938 Teflon 1949 Tupperware 1966 Kevlar 1979 Polyester amids
