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.
The Queen, The Prince and The Princess of Wales agreed that the Princess was to be known after the divorce as Diana, Princess of Wales, without the style of 'Her Royal Highness' (as The Princess was given the style 'HRH' on marriage she would therefore be expected to give it up on divorce).