Catalyst composition for hydrogenating 4,4′-methylenedianiline derivatives and method for preparing 4,4′-methylene bis(cyclohexylamine) derivatives using the same
AssigneeIndustrial Technology Research Institute
InventorsChao-Huang Chen, Jyun-Da Wu, Tzong-Shyan Lu, Ying-Chieh Lee
Life of this patent
Estimating the term…
Abstract
A catalyst composition for hydrogenating 4,4′-methylenedianiline derivatives 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 a solvent including an organic amine. The weight percentage of magnesium oxide in the carrier is between 12% and 30%. A method for preparing 4,4′-methylene bis(cyclohexylamine) derivatives using the catalyst composition is also provided.
Claims20
A catalyst composition for hydrogenating 4,4′-methylenedianiline derivatives, 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
- a solvent comprising an organic amine.
Dependencies are inferred from the claim text.