发明名称 |
TREATMENTS FOR INHIBITING VINYL AROMATIC MONOMER POLYMERIZATION |
摘要 |
<p>Compositions and methods for inhibiting vinyl aromatic monomer polymerization during processing are disclosed. The compositions comprise a dinitrosalicylic acid derivative and a hydroxylamine compound. The methods comprise adding the composition to the monomer during processing. The preferred composition comprises 3,5-dinitrosalicylic acid or 3,5-dinitrosalicylic methyl ester and bis-(hydroxypropyl)hydroxylamine.</p> |
申请公布号 |
EP0840718(B1) |
申请公布日期 |
1999.12.29 |
申请号 |
EP19960912980 |
申请日期 |
1996.04.19 |
申请人 |
BETZDEARBORN INC |
发明人 |
ARHANCET, GRACIELA, B.;HENRICI, INGE, K.;MARTIN, JOHN, F. |
分类号 |
C07C205/60;C07C7/20;C08F2/40;C09K15/24;(IPC1-7):C09K15/24;C07C15/46 |
主分类号 |
C07C205/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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