Process for the preparation of polyaryl amines having...

Details Process for the preparation of polyaryl amines having... Process for the preparation of polyaryl amines having...

C - Chemistry, Metallurgy

08

G

260/597.5

C08G 73/02 (2006.01) C08G 12/08 (2006.01)

Patent

CA 1092611

PROCESS FOR THE PREPARATION OF POLYARYL AMINES HAVING METHYLENE BRIDGES Abstract of the Disclosure A process has been invented for the preparation of polyaryl polyamines having methylene bridges by condensation of primary arylamines with formaldehyde in the presence of a catalyst. According to the invention, the amount of binuclear compounds and an improved viscosity can be obtained if one adds the remaining amount of primary arylamine immediately after the formaldehyde.

290122

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