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A kind of nano-vanadium-zirconium blue ceramic pigment and preparation method thereof

A technology of ceramic pigment and vanadium zirconium blue, applied in fibrous fillers and other directions, 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: 2020-05-05
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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  • A kind of nano-vanadium-zirconium blue ceramic pigment and preparation method thereof

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preparation example Construction

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

[0027] Step 1: Weigh the following raw materials according to the weight ratio: 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 weak base salt, chlorine 1~2.5 parts of sodium fluoride, 1~2.5 parts of sodium fluoride;

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

[0029] Step 3: Dissolve acid or strong acid or weak base s...

Embodiment 1

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

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

[0041] Step 2: Dissolve sodium silicate into 20 mL of deionized water and stir to obtain a sodium silicate solution;

[0042] Step 3. Dissolve ammonium chloride in deionized water and prepare it to 5 mol.L -1 Solution

[0043] Step 4. Put the sodium silicate solution prepared in step 2 into a 200mL beaker, and add 1 to 2 drops of phenolphthalein solution in it, and add the ammonium chloride solution prepared in step 3 drop by drop, and stir while dropping. When the dripping happens to disappear, stop the dripping and continue to stir to obtain a uniform and transparent silicate sol;

[0044] Step 5. Dissolve zirconium oxychloride in 20 mL of deionized water and stir to obtain a zirconium oxychloride solutio...

Embodiment 2

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

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

[0054] Step 2: Dissolve sodium silicate into 20 mL of deionized water and stir to obtain a sodium silicate solution;

[0055] Step 3. Dissolve ammonium chloride in deionized water and prepare it to 5 mol.L -1 Solution

[0056] Step 4. Put the sodium silicate solution prepared in step 2 into a 200mL beaker, and add 1 to 2 drops of phenolphthalein solution in it, and add the ammonium chloride solution prepared in step 3 drop by drop, and stir while dropping. When the dripping happens to disappear, stop the dripping and continue to stir to obtain a uniform and transparent silicate sol;

[0057] Step 5. Dissolve zirconium oxychloride in 20 mL of deionized water and stir to obtain a zirconium oxychloride so...

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Abstract

The invention relates to a nano-vanadium-zirconium blue ceramic colorant and a preparation method thereof. The nano-vanadium-zirconium blue ceramic colorant is made of the following raw materials in 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, 1-2.5 parts of sodium chloride and 1-2.5 parts of sodium fluoride; the present invention uses sodium silicate, zirconium oxychloride, hydrogen Sodium oxide, vanadium pentoxide and acid or strong acid and weak base salt were used as initial raw materials, and water was used as solvent to synthesize vanadium-zirconium blue gel precursor by sol-gel method, and sodium chloride and sodium fluoride were used as composite minerals A nano-vanadium-zirconium blue ceramic pigment was prepared by low-temperature sintering; the obtained pigment has pure color tone, low firing temperature, low energy consumption, low-cost and easy-to-obtain raw materials, simple and easy-to-control production process, and the solvent environment used Friendly, the product is loose and easy to powder, the color rendering effect is good, and it is convenient for industrial production. It is an ideal color material for the production and firing of high-quality ceramic products.

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, domestic and foreign scholars have done a lot of research work on fine ceramic pigments and have achieved remarkable results. As a high-quality pigment with high temperature resistance, pure color and high thermal stability, zirconium-based pigments have received widespread attention from ceramic workers. With the unremitting efforts of ceramic pigment researchers, a large number of zirconium pigments have emerged. The research and development, production and application of these pigments have brought prosperity to the development of the ceramic industry, but also brought severe challenges to the increasingly tense energy demand and the deteriorating environment. Therefore, the development of a batch of low energy consumption and environmental...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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