METHOD FOR PREPARING HEXAMETHYLENEDIAMINE TETRAACETATE DICOPPER (II) Russian patent published in 2005 - IPC

Abstract RU 2243965 C1

FIELD: metalloorganic compounds, chemical technology.

SUBSTANCE: invention relates to a method for preparing hexamethylenediamine tetraacetate dicopper (II) by synthesis of intrachelate compounds of metals with organic substances. The end product synthesized by this method can be used as a fungicide and copper trace-element fertilizer in agriculture, trace-element supplement to polyvitamin preparations and fodders for animals, for antibacterial treatment of water, as a catalyst in synthesis of organic substances, for preparing high-temperature semiconductors, for synthesis of other compounds comprising copper (II) with hexamethylenediamine tetraacetic acid. Hexamethylenediamine tetraacetate dicopper (II) is prepared by crystallization from an aqueous solution obtained by mixing hexamethylenediamine tetraacetate and depleted etching solution of printed boards wherein the reaction solution has pH value 1.0-6.5 and hexamethylenediamine tetraacetate and depleted etching solution of printed boards are mixed in the amount providing the mole ratio hexamethylenediamine tetraacetate : copper (II) = 1.0:(1.0-10.0), respectively. Invention provides reducing cost of product, retention of its purity and simultaneous utilization of toxic waste in manufacturing.

EFFECT: improved preparing method.

8 cl, 6 ex

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RU 2 243 965 C1

Authors

Afonin E.G.

Dates

2005-01-10Published

2003-07-17Filed