Methods and compositions for inhibiting vinyl aromatic monomer polymerization
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United States of America Patent
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Oct 8, 1996
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N/A
app pub date -
Jul 18, 1995
filing date -
Apr 19, 1994
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Expired
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Abstract
Vinyl aromatic monomer polymerization methods utilizing a composition of 2,6-di-tert-butyl-4-methylphenol and a substituted benzoquinonediimide compound are disclosed. Preferably, the composition is employed in an amount of 1 part to 10,000 parts per million parts monomer during distillation of styrene.
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