Nylon was the first commercially successful synthetic thermoplastic polymer. Commercially, nylon polymer is made by reacting monomers which are either lactams, acid/amines or stoichiometric mixtures of diamines (-NH2) and diacids (-COOH). Mixtures of these can be polymerized together to make copolymers.
Princess Diana Wedding Cake. Official Cake Wedding cake and cooks for the wedding of Prince Charles and Lady Diana Spencer in 1981. Getty Images / Terry Fincher. The official cake for the wedding dinner was made by the Naval Armed Forces, appropriate for the wedding of Prince Charles, a naval commander.
This piece of cake from Princess Diana and Prince Charles' wedding went for $1,375. The cake reportedly '[a]lso includes a gift card reading: With best wishes from / Their Royal Highnesses / The Prince & Princess of Wales. Slice is whole and wrapped in original wax paper and doily,' according to the description.