- Method for preparation of azo metal complex
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The invention discloses a method for preparation of an azo metal complex by hydrothermal method, and the 1: 2 type azo metal complex with the structure shown as a general formula II in the specification is prepared from a compound with the general formula I and a metal giving agent by hydrothermal reaction, a reaction medium for the azo metal complex prepared from the metal giving agent and an azo ligand by hydrothermal reaction is distilled water or deionized water, no organic solvent is used, the preparation process has the advantages of being scientific, simple and safe. The invention also relates to application of the azo metal complex as a charge control agent obtained by the preparation method in powdered ink.
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Paragraph 0060-0071
(2017/10/13)
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- Divalent azo metal complex and application of divalent azo metal complex in toner
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The invention discloses a divalent azo metal complex. A structural formula of the divalent azo metal complex is shown as the following general formula I as shown in the description, wherein M represents a divalent metal atom. The azo metal complex is prepared by a complex reaction of a metal imparting agent and an azo ligand. The divalent azo metal complex substitutes azo chromium to be applied to preparation of toner.
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Paragraph 0066; 0067; 0068; 0069; 0070
(2017/10/28)
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- METHOD FOR PRODUCING CHARGE CONTROL AGENT AND TONER
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A method for producing a charge control agent or a toner containing the charge control agent comprising reacting in aqueous medium an azo compound with a salicylic acid chromium complex.
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Page/Page column 8-9
(2010/05/13)
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