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Porous ceramic atomizing core, preparation method thereof and electronic cigarette

A technology of porous ceramics and atomizing cores, applied in the field of ceramic materials, can solve the problems of low molding efficiency, low strength of porous ceramic atomizing cores, unfavorable automatic production, etc., achieve high production efficiency, good atomization effect, and facilitate scale The effect of production

Pending Publication Date: 2021-05-07
SHENZHEN JIYOU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Based on this, it is necessary to address the above technical problems, provide a porous ceramic atomizing core and its preparation method and electronic cigarettes, to solve the problem that the porous ceramic atomizing core prepared by the existing process has low strength, low molding efficiency, and is not conducive to automatic production The problem

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  • Porous ceramic atomizing core, preparation method thereof and electronic cigarette

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preparation example Construction

[0032] In view of the technical problems that the porous ceramic atomizing core prepared by the existing technology has low strength, uneven pore size, low porosity, low molding efficiency, and unfavorable automatic production, the embodiment of the present invention provides a preparation of a porous ceramic atomizing core The method, wherein the porous ceramic atomizing core is applied to an electronic cigarette atomizing core. Specifically, the preparation method of the porous ceramic atomizing core includes the following steps: (1) drying; (2) mixing; (3) banburying / kneading and granulation / crushing; (3) injection molding; (5) Degreasing treatment; (6) sintering treatment.

[0033] In this embodiment, the step (1) specifically includes: drying the ceramic aggregate and the sintering aid. That is to say, the ceramic aggregate and sintering aid are placed in a drying oven at 120°C for 2-4 hours to dry, and the moisture absorbed by the powder is discharged.

[0034] In this...

Embodiment 1

[0051] This embodiment provides a method for preparing a porous ceramic atomizing core for an electronic cigarette atomizing core, which includes the following steps:

[0052] (1) Drying: place the ceramic aggregate and sintering aid in a drying oven at 120°C for 2 hours, and discharge the moisture absorbed by the powder;

[0053] (2) Mixing: by mass percentage, weigh 40% of diatomite, 10% of potassium feldspar, 12% of kaolin, 8% of glass powder and 30% of polystyrene pore-forming agent and put them into a three-dimensional mixer for mixing 2h, after mixing uniformly, a premix is ​​formed; in this step, the average particle diameter of the polystyrene pore-forming agent is controlled to be 50 μm;

[0054] (3) Kneading and crushing: by mass percentage, add 60% of the premix, 25% of paraffin, 5% of beeswax, 5% of low-density polyethylene and 5% of stearic acid into the kneader, and mix at 145°C Kneading for 3 hours, cooling after kneading to obtain blocky ceramic kneading mater...

Embodiment 2

[0062] This embodiment provides a method for preparing a porous ceramic atomizing core for an electronic cigarette atomizing core, which includes the following steps:

[0063] (1) Drying: place the ceramic aggregate and sintering aid in a drying oven at 120°C for 3 hours, and discharge the moisture absorbed by the powder;

[0064] (2) Mixing: In terms of mass percentage, weigh 35% of diatomite, 10% of quartz sand, 10% of kaolin, 15% of glass powder and 30% of polystyrene pore-forming agent and mix them in a three-dimensional mixer for 2 hours , and mix uniformly to form a premix; in this step, the average particle diameter of the polystyrene pore-forming agent is controlled to be 50 μm;

[0065] (3) Banbury mixing and granulation / crushing: by mass percentage, premix 60%, paraffin wax 25%, beeswax 5%, palm wax 3%, ethylene-vinyl acetate copolymer 3% and stearic acid 4% Put it into the internal mixer, carry out internal mixing at 80°C for 4 hours, cool down to obtain bulk ceram...

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Abstract

The invention discloses a porous ceramic atomizing core, a preparation method thereof and an electronic cigarette. The preparation method of the porous ceramic atomizing core comprises the following steps: drying a ceramic aggregate and a sintering aid; mixing the dried ceramic aggregate, the sintering aid and a pore forming agent to obtain a premix; banburying or kneading the premix, a binder and a dispersing agent to obtain a banburying / kneading material; granulating or crushing the internally mixed / kneaded material to obtain a granular ceramic feed; carrying out injection molding on the granular ceramic feed to obtain a ceramic green body; carrying out degreasing treatment on the ceramic green body under a preset degreasing condition under a powder burying condition of calcined aluminum oxide; and sintering the degreased ceramic body under a preset sintering condition under an atmospheric condition to obtain the porous ceramic atomizing core. The porous ceramic atomizing core is high in strength, high in material uniformity and high in production efficiency, the strength of the ceramic atomizing core is improved, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of ceramic materials, in particular to a porous ceramic atomizing core, a preparation method thereof, and an electronic cigarette. Background technique [0002] The porous ceramic material is a kind of porous ceramic material with open pore size and high open porosity, which is made of corundum sand, silicon carbide, cordierite and other high-quality raw materials as the main material, and is prepared by molding and special high-temperature sintering process. High temperature, high pressure, acid, alkali and organic medium corrosion resistance, good biological inertness, controllable pore structure and high opening porosity, long service life, good product regeneration performance, etc., can be applied to precision filtration of various media and separation, high-pressure gas exhaust silencer, gas distribution and electrolytic diaphragm, etc. [0003] As the heating element of the electronic cigarette, the ...

Claims

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Application Information

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IPC IPC(8): C04B38/06C04B35/14C04B35/622A24F40/70
CPCC04B38/067C04B35/14C04B35/622A24F40/70C04B2235/3472C04B2235/349C04B2235/36C04B2235/6022C04B2235/656C04B2235/6562C04B2235/6567C04B2235/6583C04B2235/77C04B2235/96C04B2235/95
Inventor 赵波洋赵贯云齐会龙聂革宋文正胡勇齐李俊辉
Owner SHENZHEN JIYOU TECH CO LTD
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