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A kind of preparation method of architectural ceramic material

A kind of architectural ceramics, a certain amount of technology, applied in the field of preparation of architectural ceramic materials, can solve the problems of high sintering temperature, difficult sintering, low mechanical strength, etc., and achieve the effect of good microstructure

Inactive Publication Date: 2017-11-07
临沂盛世建陶有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Zirconium phosphate is a new type of ceramic material. It has the characteristics of high strength, high temperature resistance, compactness and stability, and low expansion. It has attracted more and more attention from the ceramic industry. However, zirconium phosphate ceramics also have some defects, such as high sintering temperature, Usually 1600 o C is also difficult to sinter and has low mechanical strength, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Embodiment 1: prepare ceramic material according to the following steps

[0009] Step 1: 100g of zirconium n-butoxide Zr(OC) with a mass concentration of 80% 4 h 9 ) 4 And 7g titanium n-butoxide Ti(OC 4 h 9 ) 4 Dissolved in 400g of concentrated sulfuric acid H with a mass concentration of 80% 2 SO 4 , mechanically stirred vigorously, and slowly added 7.2g of anhydrous aluminum sulfate Al 2 (SO 4 ) 3 , 2.6g magnesium sulfate heptahydrate MgSO 4 ·7H 2 O and 3.0 g zinc sulfate heptahydrate ZnSO 4 ·7H 2 O, stirring for 3h to obtain composite precursor solution A;

[0010] Step 2: Add 3g phosphoric acid H to composite precursor solution A 3 PO 4 , after stirring for 2 hours, adding a liquid caustic soda NaOH solution with a mass concentration of 30% to adjust the pH value to neutrality to obtain a mixed solution B;

[0011] Step 3: Add 30g of powdered diopside and 60g of kaolin to the mixed solution B, stir for 6 hours, and filter to obtain wet filter cake C;...

Embodiment 2

[0013] Embodiment 2: prepare ceramic material according to the following steps

[0014] Step 1: 100g of zirconium n-butoxide Zr(OC) with a mass concentration of 80% 4 h 9 ) 4 And 3.5g titanium n-butoxide Ti(OC 4 h 9 ) 4 Dissolved in 300g of concentrated sulfuric acid H with a mass concentration of 80% 2 SO 4 , mechanically stirred vigorously, and slowly added 3.6g of anhydrous aluminum sulfate Al 2 (SO 4 ) 3 , 0.5g magnesium sulfate heptahydrate MgSO 4 ·7H 2 O and 0.6 g zinc sulfate heptahydrate ZnSO 4 ·7H 2 O, stirring for 1.5h to obtain composite precursor solution A;

[0015] Step 2: Add 5g phosphoric acid H to composite precursor solution A 3 PO 4 , after stirring for 1 h, add a liquid caustic soda NaOH solution with a mass concentration of 30% to adjust the pH value to neutrality to obtain a mixed solution B;

[0016] Step 3: Add 10g of powdered diopside and 30g of kaolin to the mixed solution B, stir for 3 hours, and filter to obtain a wet filter cake C; ...

Embodiment 3

[0018] Embodiment 3: prepare ceramic material according to the following steps

[0019] Step 1: 100g of zirconium n-butoxide Zr(OC) with a mass concentration of 80% 4 h 9 ) 4 And 5.0g titanium n-butoxide Ti(OC 4 h 9 ) 4 Dissolved in 350g of concentrated sulfuric acid H with a mass concentration of 80% 2 SO 4 , mechanically stirred vigorously, and slowly added 5.0g of anhydrous aluminum sulfate Al 2 (SO 4 ) 3 , 1.25g magnesium sulfate heptahydrate MgSO 4 ·7H 2 O and 1.5 g zinc sulfate heptahydrate ZnSO 4 ·7H 2 O, stirring for 2h to obtain composite precursor solution A;

[0020] Step 2: Add 4g phosphoric acid H to composite precursor solution A 3 PO 4 , after stirring for 1.5h, adding a liquid caustic soda NaOH solution with a mass concentration of 30% to adjust the pH value to neutrality to obtain a mixed solution B;

[0021] Step 3: Add 20g of powdered diopside and 50g of kaolin to the mixed solution B, stir for 4 hours, and filter to obtain a wet filter cake ...

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PUM

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Abstract

The invention discloses a preparation method of building ceramic materials. The preparation method is as follows: dissolving zirconium alkoxide and titanium alkoxide in sulfuric acid of a certain concentration, while stirring, slowly adding aluminum sulfate, magnesium sulfate and zinc sulfate in sequence, and stirring, Hydrolysis and polymerization reactions occur to generate composite precursor A; add phosphoric acid to composite precursor solution A, and after stirring for a period of time, add liquid alkali solution with a mass concentration of 30% to adjust the pH value to neutral to obtain mixed solution B; Diopside and kaolin are added to B, and wet filter cake C is obtained by stirring and filtering; the wet filter cake is dried and heat-treated to obtain a ceramic material with an orderly structure. The present invention combines chemical preparation technology to prepare a zirconium titanium aluminum magnesium zinc based composite precursor. The ceramic material obtained by heat treatment has a good microstructure and excellent performance. The chemical preparation technology adopted in the present invention can be extended to prepare other multifunctional composites. ceramics.

Description

technical field [0001] The invention belongs to ceramic material preparation technology, in particular to a preparation method of building ceramic material containing zirconium phosphate, zirconium oxide, titanium oxide, magnesium oxide, zinc oxide, diopside and kaolin. Background technique [0002] As an excellent building material, ceramics have a wide range of uses, such as daily necessities, building materials, and machining materials. Ceramic materials have many advantages in use, such as beautiful appearance, acid and alkali resistance, high temperature resistance and so on. Zirconia is a common component in ceramic materials. It has good flexural strength and is known as "ceramic steel", but its specific gravity is relatively large, which usually increases the weight of the finished product. Zirconium phosphate is a new type of ceramic material. It has the characteristics of high strength, high temperature resistance, compactness and stability, and low expansion. It ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/00C04B35/622
Inventor 田桂阳
Owner 临沂盛世建陶有限公司