Process for the preparation of polythiophenes by use of ferric salts and alkyl halides
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United States of America Patent
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Apr 20, 1993
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N/A
app pub date -
Jun 21, 1991
filing date -
Jun 13, 1988
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Expired
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Abstract
A process for the preparation of a polymer which is electrically conductive and which is based on polythiophene, the process including polymerizing thiophene in a reaction medium including thiophene, from 2.5 to 20 moles of an anhydrous ferric salt per mole of thiophene, from 0.04 to 1 liter of an alkyl halide per gram of thiophene, and from 0.1 to 5% by weight of water introduced into the reaction medium based on the amount of alkyl halide.
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