[dim_it:pic_desc]Around 1839, the American Charles Goodyear (1800-1860) an the Englishman Thomas Hancock (1786-1865) had developed the vulcanisation process at the same time, with which elastic rubber could be produced from plastic rubber. We now know that the discovery Goodyear and Hancock made proved to be a milestone in plastics research. (Source: Archiv)[/dim_it:pic_desc]