发明名称 Methods and compositions for inhibiting vinyl aromatic monomer polymerization
摘要 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.
申请公布号 US5562863(A) 申请公布日期 1996.10.08
申请号 US19950503466 申请日期 1995.07.18
申请人 BETZ LABORATORIES, INC. 发明人 ARHANCET, GRACIELA B.
分类号 C07C7/20;(IPC1-7):C09K15/00;B01D3/34 主分类号 C07C7/20
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