| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention concerns a purification method for aliphatic diamines obtained by hydration of dinitrile compounds. The method involves an additional stage of diamine hydration in the presence of a catalyst containing an element from platinum, palladium, ruthenium, rhodium, iridium, nickel and cobalt group. ^ EFFECT: enables elimination of admixtures. ^ 8 cl, 3 ex |
