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Word Count: 595
Everywhere you look there it is You simply cannot avoid it What is it Plastic of course Have you heard the ads for cotton Its the fabric of our lives Plastic is comparatively important Its is the backbone of our day to day existences Think carefully not one day goes by without the use of a plastic product They are so mainstream that there may be times you do not even realize that you are using one The very first man-made plastic was presented by one Alexander Parkes at the Great International Exhibition in London in the year 1862 The public named it Parkesine It was derived from cellulose- once it was heated it could be molded and then retained its shape as it cooled Parkes said that this material was capable of everything that rubber was able to do but cheaper Unfortunately investors backed out because of the very high cost of the raw materials HistoryCelluloid was the next form of plastic to emerge John Wesley Hyatt formed it as a replacement for ivory in billiard balls Since raw collodion what he first made them of was highly explosive the balls exploded when they hit each other Hyatt then added camphor forming celluloid the first thermoplastic A thermoplastic is a substance that can be molded when heated and when pressure is applied When both heat and pressure are removed the substance retains its form Celluloid was later used in photographic film and is still used on film for movies HistoryBakelite was and is a very prominent form of plastic invented by Leo Baekeland It came out as the first completely synthetic plastic It hardens quickly and retains the shape of the container it cools in Once hardened the material would not boil melt of dissolve with common acids of solvents Bakelite was resistant to electricity heat-resistant shatterproof and would not crack fade crease or become discolored In other words it never changed It could
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