polymer discovery By daniellopezberrocal0 Jan 1, 1931 neoprene Jan 1, 1935 nylon Nov 11, 1936 polythylene Jan 1, 1938 tefion Jan 1, 1949 tuper Jan 1, 1966 kevlar Jan 1, 1979 polysteramides Jan 1, 2021 vyrill polychiroide Sep 9, 2021 nitrocellouse Feb 2, 2022 rayon Feb 2, 2022 bakelite Apr 3, 2022 celluloid
