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Nano vanadium-zirconium blue ceramic coloring material and preparation method thereof

A technology of ceramic pigments and vanadium-zirconium blue, which is applied in the direction of fibrous fillers, can solve the problems of complex production process and high production cost, and achieve the effects of environmental friendliness, low price and low firing temperature

Inactive Publication Date: 2018-07-06
LUOYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of complex production process and high production cost of the above-mentioned existing zirconium-based ceramic pigments, the present invention provides a nano vanadium-zirconium blue ceramic pigment and a preparation method thereof

Method used

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  • Nano vanadium-zirconium blue ceramic coloring material and preparation method thereof

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preparation example Construction

[0026] Its preparation method is as figure 1 As shown, wherein: raw material A is sodium silicate, raw material B is acid or strong acid and weak base salt, raw material C is vanadium pentoxide, raw material D is sodium hydroxide, raw material E is zirconium oxychloride, and mineralizer A is chlorine Sodium chloride, mineralizer B is sodium fluoride, sol A is silicic acid sol, sol B is zirconium vanadium silicate sol, solution A is sodium metavanadate solution, and gel A is zirconium vanadium silicate gel. Specific steps are as follows:

[0027] Step 1: Weigh the following raw materials according to the ratio of parts by weight: 8-15 parts of vanadium pentoxide, 30-50 parts of zirconium oxychloride, 30-45 parts of sodium silicate, 25-40 parts of acid or strong acid and weak base salt, chlorine 1~2.5 parts of sodium chloride, 1~2.5 parts of sodium fluoride;

[0028] Step 2: dissolving sodium silicate in water to obtain sodium silicate solution;

[0029] Step 3: Dissolve acid...

Embodiment 1

[0039] A preparation method of nano-vanadium-zirconium blue ceramic pigment, comprising the following steps:

[0040] Step 1, weighing raw materials: vanadium pentoxide 8g, zirconium oxychloride 30g, sodium silicate 33g, ammonium chloride 25g, sodium chloride 1g, sodium fluoride 1g;

[0041] Step 2, dissolve sodium silicate into 20mL of deionized water, stir to obtain sodium silicate solution;

[0042] Step 3: Dissolve ammonium chloride in deionized water to prepare 5 mol.L -1 solution;

[0043] Step 4: Put the sodium silicate solution prepared in step 2 into a 200mL beaker, add 1 to 2 drops of phenolphthalein solution dropwise, add the ammonium chloride solution prepared in step 3 dropwise, and stir while dripping. Add dropwise until the red color disappears, stop the dropwise addition, and continue stirring to obtain a uniform and transparent silicic acid sol;

[0044] Step 5, dissolving zirconium oxychloride in 20 mL of deionized water, stirring to obtain a zirconium oxy...

Embodiment 2

[0052] A preparation method of nano-vanadium-zirconium blue ceramic pigment, comprising the following steps:

[0053] Step 1, weighing raw materials: vanadium pentoxide 10g, zirconium oxychloride 37g, sodium silicate 37g, ammonium chloride 35g, sodium chloride 1.5g, sodium fluoride 1.5g;

[0054] Step 2, dissolve sodium silicate into 20mL of deionized water, stir to obtain sodium silicate solution;

[0055] Step 3: Dissolve ammonium chloride in deionized water to prepare 5 mol.L -1 solution;

[0056] Step 4: Put the sodium silicate solution prepared in step 2 into a 200mL beaker, add 1 to 2 drops of phenolphthalein solution dropwise, add the ammonium chloride solution prepared in step 3 dropwise, and stir while dripping. Add dropwise until the red color disappears, stop the dropwise addition, and continue stirring to obtain a uniform and transparent silicic acid sol;

[0057] Step 5, dissolving zirconium oxychloride in 20 mL of deionized water, stirring to obtain a zirconiu...

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Abstract

The invention relates to a nano vanadium-zirconium blue ceramic coloring material and a preparation method thereof. The nano vanadium-zirconium blue ceramic coloring material is prepared from the following raw materials in parts by weight: 8 to 15 parts of vanadium pentoxide, 30 to 50 parts of zirconium oxychloride, 30 to 45 parts of sodium silicate, 25 to 40 parts of acid or strong acid and weakalkali salt, 1 to 2.5 parts of sodium chloride and 1 to 2.5 parts of sodium fluoride. The nano vanadium-zirconium blue ceramic coloring material provided by the invention takes the sodium silicate, the zirconium oxychloride, sodium hydroxide, the vanadium pentoxide and the acid or strong acid and weak alkali salt are used as starting raw materials and water is used as a solvent; then a vanadium-zirconium blue gel precursor is synthesized through a sol-gel method; the sodium chloride and the sodium fluoride are used as a compound mineralizing agent and low-temperature sintering is carried out to prepare the nano vanadium-zirconium blue ceramic coloring material; the coloring material has the advantages of pure tone, low firing temperature, less energy consumption, cheap raw material price and easiness for obtaining the raw materials, simple and easy-to-control production technology, environment-friendly solvents, loose and easy-to-pulverize product, good coloring effect, convenience forindustrial production and the like and is an ideal coloring material for producing and firing a high-quality ceramic product.

Description

technical field [0001] The invention relates to the technical field of fine ceramic materials, in particular to a nano-vanadium-zirconium blue ceramic pigment and a preparation method thereof. Background technique [0002] In recent years, scholars at home and abroad have done a lot of research work on fine ceramic pigments and achieved remarkable results. As a high-quality pigment with high temperature resistance, pure color and high thermal stability, zirconium-based pigments have attracted widespread attention from ceramic workers. With the unremitting efforts of ceramic pigment researchers, a large number of zirconium-based pigments came into being. The research and development, production and application of these pigments, while bringing prosperity to the development of the ceramic industry, have also brought severe challenges to the increasingly tight energy demand and the deteriorating environment. Therefore, the development of a batch of low energy consumption and e...

Claims

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Application Information

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IPC IPC(8): C09C1/28
CPCC01P2006/66C09C1/0009
Inventor 李俊霞杜慧龙杜仲祥冯勋
Owner LUOYANG NORMAL UNIV
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