Methods and compositions for inhibiting vinyl aromatic monomer p

Details Methods and compositions for inhibiting vinyl aromatic monomer p Methods and compositions for inhibiting vinyl aromatic monomer p

1995-07-18

1996-10-08

Gibson, Sharon

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252405, 25218229, 25218312, 252399, 203 8, 203 9, 203 56, 203 60, 203 65, 585 5, 585860, 585864, 585865, 585950, 208 48R, 208 48AA, C09K 1500, B01D 334

Patent

active

055628630

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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patent: 4774374 (1988-09-01), Abruscato et al.
patent: 4915873 (1990-04-01), Abruscato et al.
patent: 4929778 (1990-05-01), Roling
patent: 5342505 (1994-08-01), Forester
patent: 5470440 (1995-11-01), Arhanet

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