Studies of end-groups in polystyrene using H NMR |
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Authors: | JC Bevington TN Huckerby |
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Institution: | The Chemical Laboratory, The University, Lancaster LA1 4YA, UK |
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Abstract: | Studies have been made by 400 MHz 1H NMR of initiator fragments in polystyrene made by radical polymerization in solution at 60 °C. Azoisobutyronitrile, benzoyl peroxide and lauroyl peroxide have been used as initiators. The peaks arising from hydrogens in the end-groups have been recognized. They cause alterations in the ratio of “aromatic hydrogens” to “aliphatic hydrogens” for polystyrene. |
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Keywords: | End-groups Radical polymerization Initiators Polystyrene 1H NMR |
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