PROCESS FOR THE PREPARATION OF A MIXTURE OF epsilon -CAPROLACTAM AND/OR epsilon -CAPROLACTAM PRECURSORS
摘要
Process for the preparation of a mixture of epsilon -caprolactam and epsilon -caprolactam precursors by reductively aminating 5-formylvaleric acid and/or 5-formylvalerate ester(s) in water with hydrogen and an excess of ammonia in the presence of a hydrogenation catalyst, wherein the process is conducted in a reactor of which the inside reactor wall material is a material containing at most 8 wt.% nickel.
申请公布号
WO0228525(A1)
申请公布日期
2002.04.11
申请号
WO2001NL00728
申请日期
2001.10.03
申请人
DSM N.V.;GUIT, RUDOLF, PHILIPPUS, MARIA;NOTTEN, MATHIEU, JOHANNES, GUILLAUME;PESTMAN, ROBERT
发明人
GUIT, RUDOLF, PHILIPPUS, MARIA;NOTTEN, MATHIEU, JOHANNES, GUILLAUME;PESTMAN, ROBERT