发明名称 |
Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
摘要 |
Compositions and methods for inhibiting the polymerization of vinyl aromatic monomers in oxygen-free processing systems are disclosed. The compositions comprise a hydroxylamine compound, a phenylenediamine compound and a vinyl aromatic monomer. The methods comprise adding to the monomer bis-N,N'(hydroxypropyl)hydroxylamine.
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申请公布号 |
US5648574(A) |
申请公布日期 |
1997.07.15 |
申请号 |
US19960622133 |
申请日期 |
1996.03.26 |
申请人 |
BETZDEARBORN INC. |
发明人 |
ARHANCET, GRACIELA B.;HENRICI, INGE K. |
分类号 |
C07B63/04;C07C7/20;(IPC1-7):C07C7/20;C09K15/16;C09K15/18 |
主分类号 |
C07B63/04 |
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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