Improved electronic ceramic material and preparation method thereof

An electronic ceramics and modification technology, applied in the field of dielectric ceramics, can solve the problems of high production energy consumption, cumbersome preparation process, unfavorable environmental protection, etc., and achieve the effects of reducing energy consumption and cost, widening raw material sources, and realizing low temperature and fast burning.

Inactive Publication Date: 2017-11-17
HEFEI SHANGHAN DECORATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the development of electronic information is getting faster and faster, and the requirements for electronic components are getting higher and higher. Miniaturization, thin film, multi-function, etc. have become the direction of future development. However, the current preparation process of electronic ceramic materials is cumbersome and the production energy consumption is high. , contains harmful elements such as Pb, which is not conducive to environmental protection, so it needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A modified electronic ceramic material, weighing the following raw materials to be prepared: modified bauxite 20kg, calcined attapulgite clay 15kg, barium titanate 2kg, carbon fiber 4kg, aerated aluminum powder 1kg, sodium salicylate 1kg, silicic acid Zirconium 2kg, zinc stearate 2kg, iron oxide red 1kg, tungsten oxide 1kg, calcium lignosulfonate 0.5kg, polyphenylene ether resin 0.6kg, plasticizer 1kg, adhesive 1kg, dispersant 1kg and antistatic agent 1kg;

[0025] The modified bauxite is prepared from the following ingredients: 30kg of bauxite, 50kg of 8% sodium hydroxide solution, 5kg of rosin powder, and 3kg of sodium carboxymethyl cellulose; its preparation method is to add bauxite to the volume concentration Soak in 8% sodium hydroxide solution for 2 hours, then adjust the pH to neutral; then take it out and dry it to a water content of 3%, and finally mix with rosin powder and sodium carboxymethyl cellulose and grind through a 200 mesh sieve to obtain the raw materia...

Embodiment 2

[0033] A modified electronic ceramic material, weighing the following raw materials to be prepared: modified bauxite 25kg, calcined attapulgite clay 20kg, barium titanate 3kg, carbon fiber 6kg, aerated aluminum powder 2kg, sodium salicylate 2kg, silicic acid Zirconium 3kg, zinc stearate 3kg, iron oxide red 2kg, tungsten oxide 2kg, calcium lignosulfonate 0.7kg, polyphenylene ether resin 0.8kg, plasticizer 2kg, adhesive 2kg, dispersant 1.5kg and antistatic 2kg;

[0034] The modified bauxite is prepared from the following ingredients: 30kg of bauxite, 50kg of 10% sodium hydroxide solution, 5kg of rosin powder, and 3kg of sodium carboxymethyl cellulose; its preparation method is to add bauxite to the volume concentration Soak in a 10% sodium hydroxide solution for 2.5 hours, then adjust the pH to neutral; then take it out and dry it to a water content of 4%, and finally mix it with rosin powder and sodium carboxymethyl cellulose and grind it through a 250-mesh sieve. Modified bauxit...

Embodiment 3

[0042] A modified electronic ceramic material, weighing the following raw materials to be prepared: modified bauxite 30kg, calcined attapulgite clay 25kg, barium titanate 4kg, carbon fiber 8kg, aerated aluminum powder 3kg, sodium salicylate 3kg, silicic acid Zirconium 4kg, zinc stearate 4kg, iron oxide red 3kg, tungsten oxide 3kg, calcium lignosulfonate 0.9kg, polyphenylene ether resin 1.0kg, plasticizer 3kg, adhesive 3kg, dispersant 2kg and antistatic agent 3kg;

[0043] The modified bauxite is prepared from the following ingredients: 30kg of bauxite, 50kg of 12% sodium hydroxide solution, 5kg of rosin powder, 3kg of sodium carboxymethyl cellulose; its preparation method is to add bauxite to the volume concentration Soak in a 12% sodium hydroxide solution for 3 hours, then adjust the pH to neutral; then take it out and dry it to 5% water content, and finally mix with rosin powder and sodium carboxymethyl cellulose and grind through a 300 mesh sieve to obtain the raw material of ...

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Abstract

The invention discloses an improved electronic ceramic material and a preparation method thereof and relates to the technical field of dielectric ceramic. The electronic ceramic material is prepared from raw materials as follows: modified bauxite, calcined attapulgite clay, barium titanate, carbon fiber, aerated aluminum powder, sodium salicylate, zirconium silicate, zinc stearate, iron oxide red, tungsten oxide, lignosite, polyphenyl ether resin, a plasticizer, a binder, a dispersant and an antistatic agent. The preparation method comprises the steps as follows: raw materials are mixed with water, ground and uniformly mixed, and slurry is obtained; the slurry is injected into a mold, curing and drying are performed, and a biscuit is obtained; finally, the biscuit is subjected to heating sintering treatment in a sintering furnace. The preparation method of the electronic ceramic material is simple and convenient, low-temperature quick sintering is adopted, the energy consumption required for production is low, the price is low, no harmful Pb element is contained, the requirement of environment-friendly materials is met, the capacitance change rate tends to stability with the temperature increasing, and the improved electronic ceramic material has broad market prospects.

Description

Technical field [0001] The invention relates to the technical field of dielectric ceramics, in particular to a modified electronic ceramic material and a preparation method thereof. Background technique [0002] Electronic ceramic materials mainly refer to a class of ceramics with electromagnetic and other functions. Its dielectric properties and electrical conductivity have a wide adjustment range. It is one of the most dynamic materials in special ceramic materials and has attracted wide attention. It can be applied in many fields such as electronics, communication, automatic control, information computer, automobile, aviation, etc., and has significant social and economic benefits. At present, the development of electronic information is more and more rapid, and the requirements for electronic components are getting higher and higher. Miniaturization, thin film, multi-function, etc. have become the future development direction. At present, the preparation process of electronic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/80C04B35/622C04B35/626
CPCC04B35/10C04B35/622C04B35/62605C04B35/62645C04B35/803C04B2235/3215C04B2235/3236C04B2235/3248C04B2235/3258C04B2235/3272C04B2235/349C04B2235/5248C04B2235/656C04B2235/96
Inventor 俞克波
Owner HEFEI SHANGHAN DECORATION ENG CO LTD
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