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Magnetic ceramic pigment used as printing supplies and preparation method thereof

A technology for magnetic ceramics and printing consumables, applied in chemical instruments and methods, fibrous fillers, inorganic pigment treatment, etc., can solve the problems of loss of color, high preparation cost, poor conductivity, etc. The effect of migration controllability and strong wave absorbing performance

Pending Publication Date: 2022-05-27
JINGDEZHEN CERAMIC INSTITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the preparation cost of ceramic pigments with a particle size in the nanometer scale is relatively high; Melt in glaze and lose color
At the same time, ceramic pigments usually have poor electrical conductivity, and it is difficult to increase the charge strength of ceramic pigments.

Method used

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  • Magnetic ceramic pigment used as printing supplies and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The present embodiment is used as the preparation method of the magnetic ceramic color material of printing consumables, and its steps are as follows:

[0030] (1) Preparation of encapsulated core powder

[0031] Weigh 5g Fe with an average particle size of 0.5μm 3 O 4 Soft magnetic material particles, add 0.5g 10wt% PEG solution and 25g water, put it into a 500mL beaker, stir vigorously for 1h to form a stable suspension; then add 25g 27.48wt% ammonium zirconium carbonate solution, continue stirring for 1h, use household Microwave oven, heat in medium fire mode for 18 times, each time for 10s, then put the microwave-treated suspension into a 60°C oven to dry to obtain powder; move the powder into an alumina crucible, heat it at 900°C, N 2 The calcination was carried out under the protection of the atmosphere, and the temperature was kept for 2 hours. After cooling to room temperature, Fe coated with a dense zirconia layer was obtained after grinding. 3 O 4 powder (...

Embodiment 2

[0040] The present embodiment, as the preparation method of the magnetic ceramic colorant of printing consumables, differs from the first embodiment in that:

[0041] The preparation of step (1) encapsulated inner core powder is:

[0042] Add 80 mL of ethanol, 16 mL of deionized water and 1 g of Fe with an average particle size of 0.5 μm after sonication in a 1000 mL beaker 3 O 4 Soft magnetic material particles, stir with a polytetrafluoroethylene stirring rod, add 1 mL of 1 wt% triblock polymer P123, stir for 0.5 h, add 3 mL of 25 wt % ammonia water, and stir for 0.5 h, add 1 mL of ethyl orthosilicate ester TEOS; after the reaction for 1 h, the obtained precipitate was washed three times with deionized water and ethanol each, and the powder after drying was dried at 1100 ° C under N 2 The calcination was carried out under the protection of the atmosphere, and the temperature was kept for 20 minutes. After cooling to room temperature, Fe coated with a dense silica layer was...

Embodiment 3

[0044] The present embodiment, as the preparation method of the magnetic ceramic colorant of printing consumables, differs from the first embodiment in that:

[0045] The preparation of step (1) encapsulated inner core powder is:

[0046] Weigh 5g Fe with an average particle size of 0.5μm 3 O 4 Soft magnetic material particles, add 0.5g 10wt% PEG solution and 25g water, put it into a 500mL beaker, stir vigorously for 1h to form a stable suspension; then add 25g 27.48wt% ammonium zirconium carbonate solution, continue stirring for 1h, use In a household microwave oven, heat 18 times in medium heat mode, each time for 10s; use a magnet to adsorb the powder on the bottom of the beaker, remove excess solution, and wash it with distilled water 3 times; finally add 20mL of distilled water, and ultrasonically form suspension A;

[0047] Prepare solution A: 9mL 28% concentrated ammonia water + 16.25mL ethanol + 24.75mL water, place in a 150mL beaker and stir magnetically; prepare so...

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Abstract

The invention discloses a magnetic ceramic pigment serving as a printing consumable, which is of a wrapping structure with at least three layers, that is, soft magnetic material particles serve as an inner core, a middle layer serves as a protective cosmetic layer, and an outer layer serves as a ceramic pigment. In addition, the invention also discloses a preparation method of the magnetic ceramic pigment as the printing consumable. The ceramic pigment disclosed by the invention has magnetism, pure color and good solid fluidity, is suitable for a ceramic laser printing system based on magnetic acting force as migration force as a printing consumable, and has better migration controllability by taking magnetism as migration force, so that the technical defects of current ceramic laser printing based on electrostatic adsorption can be effectively overcome.

Description

technical field [0001] The invention relates to the technical field of ceramic laser printing, in particular to a magnetic ceramic color material used as printing consumables and using magnetic force as migration force and a preparation method thereof. Background technique [0002] Ceramic inkjet printing technology has become the current mainstream ceramic decoration technology because of its non-contact and plate-making characteristics. However, the ceramic ink used in this technology is a thermodynamically unstable suspension system with limited kinetic stability and is prone to clogging the printhead. To this end, the ceramic laser printing technology is developed by drawing on the principle of laser printers in office systems. Ceramic laser printers use solid ceramic powder as printing consumables, which can effectively solve the problem of unstable and clogging of current inkjet printing inks. The current ceramic laser printing still uses the principle of electrostat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G9/083G03G9/08C09C1/00C09C3/12
CPCG03G9/083G03G9/0832G03G9/0833G03G9/0802C09C1/0009C09C3/12C09C3/006
Inventor 常启兵王霞白明敏汪永清
Owner JINGDEZHEN CERAMIC INSTITUTE
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