发明名称 |
HYDRIERUNG VON STARK VERUNREINIGTEN METHYLENDIANILIN |
摘要 |
This invention relates to a process for the catalytic hydrogenation of impurity laden methylenedianiline feedstocks commonly referred to a MDA-50 and MDA-60. The process for hydrogenating methylenedianiline containing at least 40% oligomer function by weight comprises: contacting the feedstock with hydrogen in the presence of a rhodium/ruthenium containing catalyst system carried on a lithium aluminate support under conditions for effecting ring hydrogenation. |
申请公布号 |
AT519730(T) |
申请公布日期 |
2011.08.15 |
申请号 |
AT20050010749T |
申请日期 |
2005.05.18 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
DING, HAO;VEDAGE, GAMINI ANANDA;MARTINE, WILLIAM R.;DHOLAKIA, VIPUL P. |
分类号 |
C07C209/72;B01J23/00;B01J23/46;B01J23/58;B01J35/00;C07B61/00;C07C211/18;C07C211/35;C07C211/50 |
主分类号 |
C07C209/72 |
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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