Process for producing monotertiary butyl toluenediamine

Details Process for producing monotertiary butyl toluenediamine Process for producing monotertiary butyl toluenediamine

C - Chemistry, Metallurgy

07

C

260/598.4

C07C 209/68 (2006.01)

Patent

CA 1255701

PATENT 174-P-USO3210 ABSTRACT This invention pertains to a process for selectively reacting isobutylene with toluenediamine to form monotertiary butyl toluenediamine at high conversion. The process comprises contacting a toluenediamine feedstock containing the 2,4- or 2.6-toluenediamine isomer with isobutylene or an isobutylene precursor in the presence of an acidic zeolite catalyst having an effective pore size of about 6 to 8 Angstroms. An H-Y zeolite is preferred.

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