发明授权
- 专利标题: Methods for inhibiting vinyl aromatic monomer polymerization
- 专利标题(中): 乙烯基芳族单体聚合抑制方法
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申请号: US383159申请日: 1995-02-03
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公开(公告)号: US5510547A公开(公告)日: 1996-04-23
- 发明人: Graciela B. Arhancet , Inge K. Henrici
- 申请人: Graciela B. Arhancet , Inge K. Henrici
- 申请人地址: PA Trevose
- 专利权人: Betz Laboratories, Inc.
- 当前专利权人: Betz Laboratories, Inc.
- 当前专利权人地址: PA Trevose
- 主分类号: C07B63/04
- IPC分类号: C07B63/04 ; C07C7/20
摘要:
Methods for inhibiting the polymerization of vinyl aromatic monomers in oxygen-free processing systems are disclosed. The methods comprise adding from 1 to 10,000 parts of a combination of a hydroxylamine compound and a phenylenediamine compound to the vinyl aromatic monomer.
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