Page 64 - Inventions - A Visual Encyclopedia (DK - Smithsonian)
P. 64

Plastics






          The first plastic, made in 1856 by the British inventor
          Alexander Parkes, was formed using a plant-based                                    FAST FACTS

          material called Parkesine, later named cellulose.                         ■ ■ Plastic bags were first introduced
      MAKING THE MODERN WORLD  variety of plastics, such as polythene. Unfortunately,   ■ ■ Plastic items, such as water bottles,
                                                                                    in supermarkets in 1977. Today, there
          In the 1920s, chemists developed plastics from
                                                                                    are approximately 160,000 plastic bags
                                                                                    bought globally every second.
          substances in oil. This led to the creation of a
                                                                                    can take between 400 and 1,000 years
                                                                                    to decompose.
          plastics can take hundreds of years to decompose,
                                                                                     ■ About 10 percent of total global waste
                                                                                    ■
          resulting in huge waste in landfills and in oceans.
                                                                                    is made up of plastic-based items.



          CELLULOID
          In the 1860s, a cellulose-based plastic called celluloid was
          developed by Alexander Parkes. Clear, flexible, and very easy                The first purpose of celluloid
                                                                                       was to make pool balls,
          to mold, it was used for many things, from photographic film
                                                                                       however they are made
          to kitchen utensils. However, it proved to be extremely flammable            from a different, safer
          and caused many accidents, so it is rarely used today.                       type of plastic today.















































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   US_062-063_308121_Plastics.indd   62                                                                          09/03/2018   12:11
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