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Acrylics are a member of polymers that has been used for more that a century in many appliances such as for out door advertising, souvenirs, glazing and lots of other application that discussed in the later chapter in this article. Initially, acrylic acid was prepared in the laboratory over 100 years ago by the oxidation of acrolein or acrylic aldehyde, which obtained by dehydrating glycerine. However further research and development of this polymer was not started until 1900. In 1927 Rohm and Hass A.G. introduced 'Acryloid' and 'Plexigum' which was polymethyl acrylate. Soon, by the year 1932, an economic process of manufacturing methyl methacrylate was developed in the research laboratories of Imperial Chemical Industries and the process has been used worldwide till now (5). Methyl methacrylate was initially used for the production of cast sheet by bulk polymerisation followed by the development of granular polymerization technique to produce powder form for...

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