发明名称 |
Process for preparing a polyether polyol |
摘要 |
<p>This invention relates to stable aromatic amine compositions. These compositions comprise a) a compound selected from the group consisting of alkali metal salts of sulfur compounds, hydrates thereof and aldehydes thereof, aluminum hydrides, borates and boron compounds; and b) an aromatic amine. This invention also relates to a process for stabilizing the color of aromatic amines, and to the production of polyether polyols from these stable aromatic amine compositions.</p> |
申请公布号 |
EP0927715(A1) |
申请公布日期 |
1999.07.07 |
申请号 |
EP19980123981 |
申请日期 |
1998.12.17 |
申请人 |
BAYER CORPORATION |
发明人 |
ADKINS, RICK L.;SCHILLING, STEVEN L.;HEADLEY, KEITH J. |
分类号 |
C07C209/90;C07C211/51;C07C213/10;C07C215/76;C08G18/50;C08G65/26;C08G65/333;C08K3/30;C08K3/38;(IPC1-7):C07C209/82;C08K5/38;C08K5/36 |
主分类号 |
C07C209/90 |
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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