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Microporous ceramic for electronic cigarette and preparation method thereof

A technology of microporous ceramics and electronic cigarettes, applied in ceramic products, tobacco, applications, etc., can solve the problems of poor heating uniformity, poor atomization effect, low thermal conductivity, etc., to ensure taste, low thermal conductivity, The effect of high compressive strength

Active Publication Date: 2022-05-13
贵州群华九九特种陶瓷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, microporous ceramics are widely used in daily life and are often used as atomizing cores in electronic cigarettes. At present, microporous ceramics in electronic cigarettes have low thermal conductivity and poor heating uniformity, which affects the taste. Pore ​​agent method, mostly closed pores, poor connectivity, resulting in poor oil absorption, oil conduction, and atomization effects

Method used

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  • Microporous ceramic for electronic cigarette and preparation method thereof
  • Microporous ceramic for electronic cigarette and preparation method thereof
  • Microporous ceramic for electronic cigarette and preparation method thereof

Examples

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Embodiment 1

[0030] A preparation method of microporous ceramics for electronic cigarettes:

[0031] Mix and stir 45g triolein, 15g herring oil, 80g polyvinyl butyral, 2g dibutyl phthalate, 1g dioctyl phthalate, 2000g ethanol, and 1200g water to obtain a casting agent , 10g titanium dioxide, 50g carbon black were pre-ball milled for 10h with 40g alumina, 20g kyanite, 5g albite, 5g attapulgite clay, 1g lithium oxide, 10g nano-hydroxyapatite, 1g Bi2O3-SiO2-B2O3 Mix the glass powder evenly, ball mill for 10 hours, add 800mL casting agent, continue ball milling for 10 hours, degassing, and make a ceramic microporous layer slurry, divide 600g of absolute ethanol into two parts, add 40g of aluminum nitrate nonahydrate to the first part In 300g of absolute ethanol, heat up to reflux for 25 hours, add 15g of yttrium-stabilized zirconia nanocrystals and mix them uniformly by ultrasonic oscillation, then add 60g of tetraethyl orthosilicate to the second portion of 300g of absolute ethanol, stir at 4...

Embodiment 2

[0033] A preparation method of microporous ceramics for electronic cigarettes:

[0034] Mix and stir 50g triolein, 20g herring oil, 100g polyvinyl butyral, 5g dibutyl phthalate, 5g dioctyl phthalate, 2500g ethanol, and 1200g water to obtain a casting agent , 10g titanium dioxide, 55g carbon black were pre-ball milled for 10h with 40g alumina, 25g kyanite, 10g albite, 10g attapulgite clay, 2g lithium oxide, 10g nano-hydroxyapatite, 2g Bi2O3-SiO2-B2O3 Mix the glass powder evenly, ball mill for 10 hours, add 800mL casting agent, continue ball milling for 10 hours, degassing, and make a ceramic microporous layer slurry, divide 600g of absolute ethanol into two parts, add 50g of aluminum nitrate nonahydrate to the first part In 300g of absolute ethanol, heat up to reflux for 25 hours, add 20g of yttrium-stabilized zirconia nanocrystals and mix evenly with ultrasonic vibration, then add 64g of tetraethyl orthosilicate to the second portion of 300g of absolute ethanol, stir at 45°C f...

Embodiment 3

[0036] A preparation method of microporous ceramics for electronic cigarettes:

[0037]Mix and stir 30g triolein, 10g herring oil, 60g polyvinyl butyral, 1g dibutyl phthalate, 1g dioctyl phthalate, 2000g ethanol, and 1000g water to obtain a casting agent , 5g of titanium dioxide, 45g of carbon black were pre-ball milled for 5 hours with 30g of alumina, 15g of kyanite, 5g of albite, 5g of attapulgite clay, 1g of lithium oxide, 5g of nano-hydroxyapatite, and 1g of Bi2O3-SiO2-B2O3 Mix the glass powder evenly, ball mill for 5 hours, add 800mL casting agent, continue ball milling for 5 hours, degassing, and make a ceramic microporous layer slurry, divide 600g of absolute ethanol into two parts, add 40g of aluminum nitrate nonahydrate to the first part In 300g of absolute ethanol, heat up to reflux for 20 hours, add 10g of yttrium-stabilized zirconia nanocrystals and mix evenly with ultrasonic vibration, then add 56g of tetraethyl orthosilicate to the second portion of 300g of absol...

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Abstract

The invention relates to the field of non-metallic composite materials, in particular to microporous ceramic for electronic cigarettes and a preparation method thereof.The microporous ceramic comprises a ceramic microporous layer located inside and a ceramic protective layer located outside, the volume density of the ceramic microporous layer is 1.10-1.20 g / cm < 3 >, the pore size distribution range is 0.01-1.5 micrometers, the heat conductivity coefficient is 8-10 W / m.K, and the thickness of the ceramic protective layer is 10-20 micrometers. The heat conductivity coefficient of the ceramic protective layer is 0.05-0.1 W / m.K, and the compressive strength of the ceramic protective layer is 90-110 MPa, the ceramic microporous layer has low volume density and high heat conductivity coefficient and has good oil absorption and locking effects on tobacco tar, and the ceramic protective layer has low heat conductivity coefficient and high compressive strength, is located on the outer side of the ceramic microporous layer and can protect the interior of the ceramic microporous layer, so that the service life of the ceramic microporous layer is prolonged, and the service life of the ceramic microporous layer is prolonged. And good heat insulation and anti-impact effects can be achieved.

Description

technical field [0001] The invention relates to the field of non-metallic composite materials, in particular to a microporous ceramic for electronic cigarettes and a preparation method thereof. Background technique [0002] As a ceramic with a uniform micropore structure, microporous ceramics are a new type of ceramic material and a functional structural ceramic. The pore size is generally micron or submicron, which is basically invisible to the naked eye. However, microporous ceramics are widely used in daily life and are often used as atomizing cores in electronic cigarettes. At present, microporous ceramics in electronic cigarettes have low thermal conductivity and poor heating uniformity, which affects the taste. The pore agent is produced by the method, most of which are closed pores, and the connectivity is poor, resulting in poor oil absorption, oil conduction, and atomization effects. Contents of the invention [0003] Purpose of the invention: Aiming at the above...

Claims

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Application Information

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IPC IPC(8): C04B35/10C04B35/622A24F40/70C04B35/634C04B35/632C04B38/06C04B35/00
CPCC04B35/10C04B35/622A24F40/70C04B35/632C04B35/6342C04B38/068C04B35/00C04B2235/77C04B2235/9607C04B2235/96C04B2235/3472C04B2235/349C04B2235/3203C04B2235/3232C04B2235/447C04B2235/424C04B2235/36C04B2235/443C04B2235/483C04B2235/3246
Inventor 张南泉张伟群
Owner 贵州群华九九特种陶瓷科技有限公司