Purification of aminonitriles or diamines.

摘要

Separation of an aliphatic aminonitrile or an aliphatic diamine from a mixture containing the corresponding cyclic, aliphatic, mono-unsaturated amine by adding caustic compound to the mixture and then distilling the aminonitrile or the diamine at a temperature less than 170 DEG C and at a pressure of less than 1 atmosphere.