4 NEW WORLD gift of the Chemist Plastics are the products of modern chemistry. They are synthetic materials, produced as a result of intricate chemical reactions. Although built uP from three or four simple elements usually carbon, oxygen, hydrogen, and chlorine or nitrogen-the actual structure of their molecules is very complex: There are, for instance, plastics made uP of molecules in long chains; others consist of intricate networks of molecules. Some plastics are soft and flexible, while others are hard and brittle AlI plastics have one property in common 5 at one stage of their manufacture they are plastic, or capable of being moulded. Plastics are produced in powder, sheet and liquid which can be moulded, poured, woven; spun, ex- truded to produce anything from clothes pegs to complete radio cabinets_ The recent striking developments in plastics are the result of research in the great laboratories of Imperial Chemical Industries. I.CI: have pioneered this modern industry which waits to serve You. First of an informative series by IMPERI AL CHEMICAL INDUSTRIES (NZ.) LTD, maker $ of 'Perspex: Nylon, ICI Alkathene; Welvic; ez6. Pactica
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New Zealand Listener, Volume 20, Issue 495, 17 December 1948, Page 15
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182Page 15 Advertisement 1 New Zealand Listener, Volume 20, Issue 495, 17 December 1948, Page 15
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