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A preparation method for coating/ceramic inkjet printing with high-temperature and environment-friendly sub-nano zirconium silicate encapsulating cadmium-based pigments

A ceramic inkjet, environmentally friendly technology, used in inks, coatings, applications, etc., can solve problems such as poor performance, insufficient dispersibility, inapplicability, etc., to achieve strong color development, avoid particle enlargement, and good weather resistance. Effect

Active Publication Date: 2019-05-17
JIANGXI JINHUAN PIGMENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional zirconium silicate-wrapped cadmium-based process can only produce a median diameter of 4-8 microns and a maximum particle size of more than 20 microns, which is not suitable for coatings / ceramic inkjet printing, and the particles are distributed. Small pinholes, insufficient dispersion and therefore poor performance

Method used

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  • A preparation method for coating/ceramic inkjet printing with high-temperature and environment-friendly sub-nano zirconium silicate encapsulating cadmium-based pigments
  • A preparation method for coating/ceramic inkjet printing with high-temperature and environment-friendly sub-nano zirconium silicate encapsulating cadmium-based pigments
  • A preparation method for coating/ceramic inkjet printing with high-temperature and environment-friendly sub-nano zirconium silicate encapsulating cadmium-based pigments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The first step: 0.6mol of zirconium oxychloride, 0.06mol of cadmium chloride, 0.002mol of zinc chloride and 0.004mol of aluminum chloride are dissolved in propylene glycol to prepare a solution with a total mass fraction of 35%, which is denoted as A;

[0042] The second step: 0.14mol of sodium hydroxide, 0.06mol of ammonium sulfide, 0.01mol of selenium element and 0.001mol of tellurium element are dissolved in propylene glycol to prepare a solution with a total mass fraction of 11%, which is denoted as B;

[0043] The third step: take 0.6mol ethyl orthosilicate and dissolve it in propylene glycol, denoted as C;

[0044] The fourth step: dilute 30ml concentrated sulfuric acid into 500ml sulfuric acid solution (H 2 SO 4 , 98wt%), denoted as D;

[0045] Step 5: Dissolve 0.001mol of metaphosphoric acid in the solvent, denoted as J;

[0046] Step 6: Drop A and B in propylene glycol, keep stirring, and add J dropwise during the process, denoted as E;

[0047] Step 7: Aft...

Embodiment 2

[0054] The first step: 0.6mol of zirconium acetate, 0.06mol of cadmium acetate, 0.001mol of zinc acetate and 0.002mol of aluminum chloride are dissolved in propylene glycol to prepare a solution with a mass concentration of 35%, which is denoted as A;

[0055]Second step: 0.14mol of sodium hydroxide, 0.06mol of ammonium sulfide, 0.01mol of selenium element and 0.0008mol of tellurium element are dissolved in propylene glycol to prepare a solution with a mass concentration of 11%, which is denoted as B;

[0056] The third step: take 0.6mol ethyl orthosilicate and dissolve it in propylene glycol, denoted as C;

[0057] The fourth step: take 100mL concentrated hydrochloric acid and dilute it into 300ml hydrochloric acid solution (HCl, 37.5wt%), denoted as D;

[0058] Step 5: Dissolve 0.002mol of metaphosphoric acid in the solvent, denoted as J;

[0059] Step 6: Mix A and B co-dropwise, keep stirring, and add J dropwise during the process, denoted as E;

[0060] Step 7: After E i...

Embodiment 3

[0067] The first step: 0.8mol of zirconium acetate, 0.04mol of cadmium acetate, 0.005mol of zinc acetate and 0.004mol of aluminum chloride are dissolved in propylene glycol to prepare a solution with a mass concentration of 35%, which is denoted as A;

[0068] Second step: 0.12mol of sodium hydroxide, 0.04mol of ammonium sulfide, 0.008mol of selenium element and 0.002mol of hoof element are dissolved in propylene glycol to prepare a solution with a mass concentration of 11%, which is denoted as B;

[0069] The third step: take 0.9mol ethyl orthosilicate and dissolve it in propylene glycol, denoted as C;

[0070] The fourth step: take 100mL concentrated hydrochloric acid and dilute it into 300ml hydrochloric acid solution (HCl, 37.5wt%), denoted as D;

[0071] Step 5: Dissolve 0.006 mol of metaphosphoric acid in the solvent, denoted as J;

[0072] Step 6: Mix A and B co-dropwise, keep stirring, and add J dropwise during the process, denoted as E;

[0073] Step 7: After E is s...

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Abstract

The invention discloses a preparation method of high-temperature and environment-friendly cadmium pigment coated by sub-nano zirconium silicate and used for coating / ceramic ink-jet printing. The method includes: preparing the raw materials corresponding to Zr, Si, Cd, S, Se, Te, Zn, Al and P according to a certain mole ratio, and strictly controlling reaction conditions such as the combination manner, mixing manner and adding sequence of the raw materials to prepare the high-temperature and environment-friendly cadmium pigment. The preparation method has the advantages that a traditional ball milling procedure is omitted, calcining temperature is lowered by 100 DEG C, and an evident energy conservation and consumption reduction effect is achieved; the median diameter of the prepared pigment can reach 0.6-1.2 micrometers, D97 is 2 micrometers, the pigment is approximate to spherical particles and is good in flowability, resistant to high temperature and weather, environmentally friendly and the like, the color of the pigment can be distributed in lemon yellow-yellow-red-prunosus, and the application requirements of the coating / ceramic ink-jet printing in different fields can be satisfied.

Description

technical field [0001] The invention belongs to a preparation method for wrapping cadmium-based pigments with high-temperature and environment-friendly sub-nanometer zirconium silicate for paint / ceramic ink-jet printing, and in particular to a high-temperature and environment-friendly sub-nano-zirconium silicate wrap for paint / ceramic ink-jet printing The preparation method of cadmium series pigment. Background technique [0002] Pigment is one of the indispensable components of various coatings. Pigment not only plays the role of color and decoration, but more importantly, it can improve the strength, anti-corrosion, light resistance, weather resistance and other effects of the coating film. Cadmium pigments are an important variety of inorganic pigments. According to the color and luster, it can be roughly divided into two categories: yellow and red. The yellow series is the solid solution of CdS and CdS with ZnS, and its hue gradually turns to lemon yellow with the incr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/62C09D11/322
CPCC09D7/61C09D7/63C09D7/65C09D11/322
Inventor 王又凡陈仁华
Owner JIANGXI JINHUAN PIGMENTS
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