发明名称 |
Process for preparing diaminodiphenylmethanes |
摘要 |
Process for preparing diamino diphenyl methane and poly-(diamino diphenyl methane) comprising reacting aniline with formaldehyde in the presence of hydrogen chloride added in the gaseous form wherein the aniline contains 0.1 to 7 wt %, preferably 2 to 5 wt % of a protic chemical, preferably water.
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申请公布号 |
US7943724(B2) |
申请公布日期 |
2011.05.17 |
申请号 |
US20060095967 |
申请日期 |
2006.11.07 |
申请人 |
HUNTSMAN INTERNATIONAL LLC |
发明人 |
CARR ROBERT HENRY |
分类号 |
C08G12/08;C07C211/00;C07C211/50;C08G12/00 |
主分类号 |
C08G12/08 |
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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