Polymer discovery By david ardila 1845 nitrocellulose 1868 celluloid 1908 rayon 1909 bakelite 1920 cellophane 1926 vinyl polychloride 1931 neoprene 1935 nylon 1936 polyethylene 1938 teflon 1949 tupperware 1966 kevlar 1979 poliesteramidas
