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.
She was crowned in 1953, and her long marriage to the Philip, the Duke of Edinburgh, means she is the only reigning British monarch to experience a diamond wedding anniversary. 1  In contrast, the longest ruling Prime Minister in Elizabethâs reign was Margaret Thatcher at over eleven years, there have been twelve of them, and seven popes.