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US 2021/0197174 A1Published application
Catalyst composition for hydrogenating 4,4'-methylenedianiline and method for preparing 4,4'-methylene bis(cyclohexylamine) using the same
AssigneeIndustrial Technology Research Institute
InventorsChao-Huang CHEN, Jyun-Da WU, Tzong-Shyan LU, Ying-Chieh LEE
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Abstract
A catalyst composition for hydrogenating 4,4′-methylenedianiline is provided. The catalyst composition includes a carrier including aluminum oxide and magnesium oxide, a rhodium-ruthenium active layer loaded on the surface of the carrier, and organic amine solvent. The weight percentage of magnesium oxide in the carrier is between 12% and 30%. A method for preparing 4,4′-methylene bis(cyclohexylamine) using the catalyst composition is also provided.
Claims15
A catalyst composition for hydrogenating 4,4′-methylenedianiline, comprising:
- a carrier comprising aluminum oxide and magnesium oxide, the carrier having a surface and an interior, wherein the magnesium oxide in the carrier has a weight percentage from 12% to 30%;
- a rhodium-ruthenium active layer loaded on the surface of the carrier;
- and
- an organic amine solvent.
1 more element
Dependencies are inferred from the claim text.