15/02/2013Mass production of toothbrushes is an achievement attributable to the development of plastics. It goes without saying that we human beings were already interested in dental hygiene beforehand, however. The practice of cleaning our teeth goes back as far as progressive cultures in ancient times:
15/02/2013Depending on its chemical state, nylon can have very different physical properties, so that it seems as if materials of completely different kinds are involved. It is a well-known fact that nylon is used primarily in the textile industry and rope production, because it is elastic and resistant...
15/02/2013Carothers called his superpolyamide “fibre 66”. The Du Pont management did not think this name had enough advertising appeal, so a naming committee was appointed that came up with almost 400 different suggestions.