Process for the production of diaminodiphenylmethane and its...

Details Process for the production of diaminodiphenylmethane and its... Process for the production of diaminodiphenylmethane and its...

C - Chemistry, Metallurgy

07

C

C07C 209/78 (2006.01) C07C 211/50 (2006.01) C07C 263/10 (2006.01) C07C 265/14 (2006.01) C07B 61/00 (2006.01)

Patent

CA 2478501

A method of preparing diaminodiphenylmethane and higher homologues thereof from aniline and formaldehyde in the presence of heterogeneous solid acid catalysts selected from (a) delaminated zeolites and/or (b) metal silicate catalysts having an ordered mesoporous pore structure.

La présente invention concerne un procédé de préparation de diaminodiphénylméthane et de ses homologues supérieurs à partir d'aniline et de formaldéhyde, en présence de catalyseurs acides solides hétérogènes sélectionnés entre (a) les zéolites délaminées et/ou (b) les catalyseurs au silicate métallique ayant une structure mésoporeuse ordonnée.

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