CN114009856A - Modified electrode slurry of pumping equipment and preparation process - Google Patents
Modified electrode slurry of pumping equipment and preparation process Download PDFInfo
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- CN114009856A CN114009856A CN202111158218.6A CN202111158218A CN114009856A CN 114009856 A CN114009856 A CN 114009856A CN 202111158218 A CN202111158218 A CN 202111158218A CN 114009856 A CN114009856 A CN 114009856A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/70—Manufacture
Abstract
The invention discloses modified electrode slurry of pumping equipment and a preparation process of a modified electrode of the pumping equipment, wherein the slurry comprises the following components: 50-95 wt% of alloy powder, 0-50 wt% of glass powder, 0.1-1 wt% of resin, 0.1-0.5 wt% of thixotropic agent, 0-10 wt% of functional inorganic substance, 0-2 wt% of hollow carbon nanotube and 3-9 wt% of solvent; the preparation process comprises the step of sintering the slurry on the substrate at high temperature to obtain the electrode with better resistance value control, better dry burning and cold and hot impact performance, avoidance of failure of the porous atomizer, increase of production yield, better performance and capability of greatly improving the economic benefits of enterprises.
Description
Technical Field
The invention relates to the technical field of electronic cigarette atomization, in particular to modified electrode slurry of pumping equipment and a preparation process thereof.
Background
At present, electronic cigarettes have been developed from birth to date, and researchers in the field are continuously searching and advancing on the way of improving the softness, mellowness and cleanness of mouthfeel and improving the uniformity of mouthfeel. The electronic cigarette atomizer is updated from the cotton core era to the porous ceramic era, so that tobacco oil atomized particles are smaller and more uniform, and the taste and the uniformity are greatly improved. The upgrading and upgrading of the electronic cigarette atomizer promotes the iterative updating of the electronic cigarette heating electrode from a wound nickel-chromium wire to a sheet nickel-chromium electrode. However, at present, electronic cigarette products mainly based on electronic atomization technology have reached the technological bottleneck stage, and mainly there are two ways to assemble the sheet type nickel-chromium electrode on the porous ceramic of the electronic cigarette, firstly, the formed sheet type nickel-chromium electrode is embedded in the precursor powder of the porous ceramic atomizer, and then is sintered at high temperature. Secondly, the nickel-chromium slurry is printed on a porous ceramic atomizer through a screen, and then the nickel-chromium slurry is sintered into a sheet nickel-chromium electrode at high temperature. In the first approach, although the resistance value and the electrode stability of the nickel-chromium electrode are good, automatic production cannot be realized in the process of embedding the nickel-chromium electrode, so that the porous ceramic atomizer has low productivity and high processing cost. In the second approach, automatic screen printing is adopted, so that the productivity can be greatly improved, the cost is reduced, but the resistance value of the nickel-chromium electrode produced by the method is not easy to control, and the dry burning and cold and hot impact properties are poor, so that the porous ceramic atomizer fails. Therefore, the patent relates to nickel-chromium slurry for the printing electronic cigarette, and after the slurry is sintered into a nickel-chromium electrode on a porous ceramic atomizer, the electrode resistance is easy to adjust, and the dry burning and cold and hot impact performance are good. Therefore, how to overcome the defects of the prior art is a problem which needs to be solved urgently in the technical field of electronic cigarette atomization at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides modified electrode slurry of a suction device and a preparation method of a modified electrode of suction equipment, wherein the slurry is sintered on a substrate at high temperature to obtain a heater, so that automatic production can be realized, and the problems of low productivity and high processing cost in the prior art are solved; in addition, the invention sinters the slurry containing 50-95 wt% of alloy powder, 0-50 wt% of glass powder, 0.1-1 wt% of resin, 0.1-0.5 wt% of thixotropic agent, 0-10 wt% of functional inorganic substance, 0-2 wt% of hollow carbon nano tube and 3-9 wt% of solvent on the substrate at high temperature, so that the resistance value of the obtained electrode is well controlled, the dry burning and cold and hot impact properties are also good, the failure of the porous atomizer is avoided, the yield of production is increased, the performance is good, and the economic benefit of enterprises can be greatly improved.
To achieve the above object, the present invention provides a modified electrode slurry for a pumping apparatus, comprising:
wherein the content of the functional inorganic substance and the content of the glass powder are not zero at the same time;
the alloy powder comprises pure binary nickel-chromium alloy and other multi-element alloys: at least one of Ni-Cr-Fe, Ni-Cr-Al, Ni-Cr-Si and Ni-Cr-B, wherein the grain diameter of the alloy powder is 3-100 mu m;
the glass powder comprises borosilicate and/or bismuth silicate, and the particle size of the glass powder is 0.1-50 mu m;
the resin comprises at least one of cellulose derivatives, acrylic resin, polyvinyl butyral and polyester resin;
the thixotropic agent comprises at least one of polyamide wax, fumed silica, hydrogenated castor oil and organic bentonite;
the functional oxide comprises at least one of alumina, silicon dioxide, barium carbonate, diatom ooze, titanium hydride, boron powder, titanium carbide and titanium nitride;
the aperture of the hollow carbon nano tube is smaller than the apertures of the alloy powder, the glass powder and the functional inorganic substance. The resistance value of the obtained electrode can still be well controlled even if the slurry is directly sintered on the substrate at high temperature, and the dry burning and cold and hot impact performance of the slurry are also good, so that the failure of the porous atomizer is avoided, the production yield is increased, the performance is good, and the economic benefit of an enterprise can be greatly improved.
Preferably, the grain diameter of the alloy powder is 5-80 μm. The performance of the electrode prepared under the size is superior.
Preferably, the particle size of the glass powder is 1-20 μm. The electrode prepared by adopting the glass powder with the size has excellent cold and hot impact performance.
Preferably, the melting point of the borosilicate is 500-800 ℃, and the melting point of the silicate is 300-500 ℃.
Preferably, the hollow carbon nanotube has a wall composed of 3 layers of carbon atoms, and the hollow carbon nanotube is composed of three concentric cylindrical graphene layers. By adopting the hollow carbon nano tube, the conductive heating performance can be improved, and the shrinkage rate of the electrode can be reduced, so that the obtained electrode meets the performance requirements.
Preferably, the hollow carbon nanotube accounts for 0.2-2 wt%. At this addition level, the performance of the prepared electrode is optimal.
To achieve the above object, the present invention also provides a method for preparing a modified electrode for a suction apparatus including a base body of a porous ceramic atomizer including: diatom ooze, alumina, silica, calcium oxide, magnesium oxide, and mixtures of the two or more.
Dissolving the resin of the slurry in part of organic solvent, mixing, stirring at 60-100 deg.C and rotation speed of 30-90r/min for 0.2-4h, cooling, filtering, and drying to obtain a first mixture;
adding alloy powder and a thixotropic agent into the obtained first mixture according to the parts by weight, uniformly stirring, heating to 50-100 ℃, and stirring at the speed of 350-;
mixing and grinding part of the second mixed material and the rest of the solvent for 1 to 12 hours;
adding functional inorganic substances and glass powder according to the weight parts, continuously grinding for 0.1 to 3 hours, adding the hollow carbon nanotube, and dispersing in a three-roller machine to obtain a third mixture;
and a printing spray head of the printer alternately sprays the second mixture and the third mixture onto the substrate according to the shape of the electrode, and the second mixture and the third mixture are baked at high temperature to form the electrode on the substrate.
Preferably, the second mixture and the third mixture are baked at a high temperature of 1000-1500 ℃ in a hydrogen atmosphere to form the electrode on the substrate.
Preferably, the second mixture and the third mixture are dried at 50-100 ℃, and then baked at 1000-1500 ℃ for 10-120 minutes in a hydrogen atmosphere to form the electrode on the substrate.
Preferably, the substrate is provided with a mold corresponding to the shape of the electrode, so that a printing nozzle of the printer can eject the shape of the electrode on the substrate according to the shape of the grinding tool; or the substrate is provided with a concave part corresponding to the shape of the electrode, so that a printing nozzle of the printer can eject the shape of the electrode on the substrate according to the shape of the concave part.
The invention also provides a modified electrode of the suction equipment, which is prepared by adopting the preparation method.
The invention has the advantages and beneficial effects that:
firstly, the invention provides modified electrode slurry for pumping equipment, the resistance value of an electrode obtained by sintering the slurry on a substrate at a high temperature can be better controlled, the uncontrollable resistance value caused by a preparation method of directly sintering the slurry on the substrate can not be caused, the electrode prepared by the invention has better dry burning and cold and hot impact performance, the failure of a porous atomizer is avoided, the yield of production is increased, the electrode has better performance, and the economic benefit of an enterprise can be greatly improved.
Secondly, the hollow carbon nanotubes mixed in the slurry can enlarge the space between the alloy powder without influencing the conductivity of the alloy powder, thereby reducing the shrinkage of the alloy powder and ensuring proper resistance, so that the cold and hot impact and dry burning performance of the electrode are more excellent.
Thirdly, the invention provides a preparation method of the modified electrode of the pumping equipment, the electrode is obtained by sintering the slurry on the substrate at high temperature, the preparation process is simple, the automatic production can be realized, and the problems of low productivity and high processing cost of the existing process are solved.
The modified electrode of the pumping equipment is prepared by matching the slurry with the preparation process, the preparation process is simple, automatic production can be realized, the resistance value of the prepared electrode is stable, the dry burning and impact resistance performance is good, the failure of the porous atomizer is avoided, the yield of production is increased, the performance is good, and the economic benefit of enterprises can be greatly improved.
Drawings
Fig. 1 is a schematic diagram of the electrodes of a suction apparatus according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 30 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 2
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 847 parts, B-Si-Zn 45 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Embodiment 3
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 877 parts, B-Si-Zn 15 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 4
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 15 parts of B-Si-Zn and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 5
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 15 parts, Bi-Si-Sb 15 parts and ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol) 0.5 part; 0.1 part of polyamide wax, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 6
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 10 parts of B-Si-Zn and 5 parts of Bi-Si-Sb ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol) 0.5 part; 0.1 part of polyamide wax, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 7
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 842 parts, B-Si-Zn 40 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 7 parts of terpineol and 2 parts of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 8
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 847 parts, B-Si-Zn 45 parts and 0.5 part of acrylic resin (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.2 part of fumed silica, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 9
Weighing nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe 877 parts, B-Si-Zn 15 parts and 0.5 part of polyvinyl butyral (20 wt% of ethyl cellulose dissolved in 80 wt% of terpineol); 0.1 part of hydrogenated castor oil, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Embodiment 10
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 15 parts of B-Si-Zn and 0.5 part of polyester resin (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.2 part of organic bentonite, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 11
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 15 parts, Bi-Si-Sb 15 parts and acrylic resin (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol) 0.5 part; 0.1 part of hydrogenated castor oil, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 12
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 10 parts of B-Si-Zn, 5 parts of Bi-Si-Sb and 0.5 part of polyvinyl butyral (20 wt% of ethyl cellulose dissolved in 80 wt% of terpineol); 0.1 part of hydrogenated castor oil, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 13
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 30 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 5 parts of alumina, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Embodiment 14
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 847 parts, B-Si-Zn 45 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 10 parts of silicon dioxide, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 15
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 877 parts, B-Si-Zn 15 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 5 parts of barium carbonate, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 16
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 15 parts of B-Si-Zn and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 2 parts of diatom ooze, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 17
Weighing nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 15 parts, Bi-Si-Sb 15 parts, ethyl cellulose adhesive (20 wt% ethyl cellulose is dissolved in 80 wt% terpineol) 0.5 part, polyamide wax 0.1 part, titanium hydride 3 parts, aluminum oxide 1 part, terpineol 6 parts and silicone oil 1 part; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 18
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 10 parts of B-Si-Zn and 5 parts of Bi-Si-Sb ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol) 0.5 part; 0.1 part of polyamide wax, 1 part of boron powder, 1 part of titanium carbide, 2 parts of titanium nitride, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 19
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 30 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 5 parts of alumina, 1 part of hollow carbon nanotube, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Embodiment 20
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 847 parts, B-Si-Zn 45 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 10 parts of silicon dioxide, 2 parts of hollow carbon nanotubes, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 21
Weighing Ni55-Cr10-Al2-B10-Si15-Fe 877 parts, B-Si-Zn 15 parts and 0.5 part of ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol); 0.1 part of polyamide wax, 5 parts of barium carbonate, 1 part of hollow carbon nanotube, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Embodiment 22
Weighing nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe 830 parts, Ni60-Cr5-Si10-Fe20-Zn 547 parts, B-Si-Zn 15 parts, ethyl cellulose adhesive (20 wt% ethyl cellulose is dissolved in 80 wt% terpineol) 0.5 part, polyamide wax 0.1 part, diatom ooze 2 parts, hollow carbon nanotube 1 part, terpineol 6 parts and silicone oil 1 part; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 23
Weighing nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe 862 parts, B-Si-Zn 15 parts, Bi-Si-Sb 15 parts, ethyl cellulose adhesive (20 wt% ethyl cellulose is dissolved in 80 wt% terpineol) 0.5 part, polyamide wax 0.1 part, titanium hydride 3 parts, aluminum oxide 1 part, hollow carbon nanotube 2 parts, terpineol 6 parts and silicone oil 1 part, stirring uniformly, and continuously dispersing in a three-roll mill to obtain the nickel-chromium alloy slurry.
Embodiment 24
Weighing 830 parts of nickel-chromium powder Ni55-Cr10-Al2-B10-Si15-Fe, 60-Cr5-Si10-Fe20-Zn 547 parts, 10 parts of B-Si-Zn and 5 parts of Bi-Si-Sb ethyl cellulose adhesive (20 wt% of ethyl cellulose is dissolved in 80 wt% of terpineol) 0.5 part; 0.1 part of polyamide wax, 1 part of boron powder, 1 part of titanium carbide and 2 parts of titanium nitride, 3 parts of hollow carbon nanotube, 6 parts of terpineol and 1 part of silicone oil; and after the mixture is primarily and uniformly stirred, continuously dispersing the mixture in a three-roll mill to prepare the nickel-chromium alloy slurry.
Example 25
Dissolving the resin of the slurry in any one of the embodiments 1-24 in part of the organic solvent, mixing, stirring for 0.5h at 60 ℃ and the rotation speed of 90r/min, cooling, filtering and drying to obtain a first mixture for later use;
adding alloy powder and a thixotropic agent into the obtained first mixture according to the parts by weight, uniformly stirring, heating to 50 ℃, and stirring at the speed of 550r/min for 0.4h to obtain a second mixture for later use;
mixing and grinding part of the second mixed material and the rest of the solvent for 1 h;
adding functional inorganic substances and glass powder according to the weight parts, continuously grinding for 0.3h, adding the hollow carbon nanotube, and dispersing in a three-roller machine to obtain a third mixture;
the printing nozzle of the printer alternately sprays the second mixture and the third mixture onto the diatom ooze porous atomizer according to the shape of an electrode, the second mixture and the third mixture are dried at 50 ℃, and then baked at 1500 ℃ for 10 minutes in a hydrogen atmosphere, and then the electrode is formed on the diatom ooze porous atomizer, wherein the shape of the electrode is shown in fig. 1, but the shape of the electrode is not the same.
In particular, if the corresponding slurry contains no corresponding component, the above-mentioned preparation process does not require a step of adding a corresponding substance.
The electrodes prepared from the slurries obtained in examples 1 to 24 were subjected to resistance test, dry firing and thermal shock test, and the results are shown in table one.
Table one resistance distribution and yield (required range of resistance 1.10 + -0.10 omega)
100 samples with qualified resistance in each embodiment are randomly and respectively extracted for dry burning and cold and hot impact testing, and the results are shown in the second table.
Second dry burning and cold and hot impact test qualification rate
| Example of the implementation | Dry burning qualification rate (%) | Percent pass cold and hot impact |
| Example 1 | 98 | 99 |
| Example 2 | 97 | 98 |
| Embodiment 3 | 99 | 99 |
| Example 4 | 99 | 99 |
| Example 5 | 95 | 95 |
| Example 6 | 96 | 98 |
| Example 7 | 98 | 96 |
| Example 8 | 100 | 98 |
| Example 9 | 99 | 99 |
| Embodiment 10 | 99 | 97 |
| Example 11 | 96 | 96 |
| Example 12 | 97 | 98 |
| Example 13 | 100 | 98 |
| Embodiment 14 | 99 | 99 |
| Example 15 | 98 | 99 |
| Example 16 | 99 | 97 |
| Example 17 | 96 | 98 |
| Example 18 | 99 | 99 |
| Example 19 | 99 | 95 |
| Embodiment 20 | 92 | 95 |
| Example 21 | 98 | 94 |
| Embodiment 22 | 99 | 98 |
| Example 23 | 99 | 99 |
| Embodiment 24 | 99 | 99 |
And (3) dry burning qualified standard: the fluctuation range of the resistance is less than 2 percent after the dry burning is carried out for 10min at the power of 8W. And (3) cold and hot impact qualification standard: the burning is stopped for 5s and 7s at 8W power, and the cold and hot impact is repeated for 50 times, so that the electrode does not peel.
Example 26
Dissolving the resin of the slurry in any one of the embodiments 1-24 in part of the organic solvent, mixing, stirring for 2h at 100 ℃ and the rotation speed of 30r/min, cooling, filtering and drying to obtain a first mixture for later use;
adding alloy powder and a thixotropic agent into the obtained first mixture according to the parts by weight, uniformly stirring, heating to 100 ℃, and stirring at the speed of 350r/min for 4 hours to obtain a second mixture for later use;
mixing and grinding part of the second mixed material and the rest of the solvent for 12 hours;
adding functional inorganic substances and glass powder according to the weight parts, continuously grinding for 3 hours, adding the hollow carbon nano tube, and dispersing in a three-roller machine to obtain a third mixture;
the printing shower nozzle of printer will the second mixture with the third mixture sprays according to the shape of electrode in turn on the diatom mud porous atomizer, the second mixture with the third mixture is dried the back under 100 degrees centigrade, toasts 120 minutes back through 1000 degrees centigrade high temperature under the hydrogen atmosphere and is in form on the diatom mud porous atomizer the electrode.
In particular, if the corresponding slurry contains no corresponding component, the above-mentioned preparation process does not require a step of adding a corresponding substance.
The electrodes prepared from the slurries obtained in examples 1 to 24 were subjected to resistance test, dry firing and hot and cold impact test, and the results are shown in table three.
Resistance distribution and yield of the three resistors (the required range of the resistors is 1.10 +/-0.10 omega)
100 samples with qualified resistance in each embodiment were randomly selected for dry burning and hot and cold impact testing, and the results are shown in table four.
| Example of the implementation | Dry burning qualification rate (%) | Percent pass cold and hot impact |
| Example 1 | 99 | 100 |
| Example 2 | 100 | 100 |
| Embodiment 3 | 99 | 100 |
| Example 4 | 99 | 100 |
| Example 5 | 100 | 100 |
| Example 6 | 100 | 100 |
| Example 7 | 99 | 99 |
| Example 8 | 100 | 99 |
| Example 9 | 100 | 99 |
| Embodiment 10 | 99 | 99 |
| Example 11 | 198 | 100 |
| Example 12 | 100 | 100 |
| Example 13 | 100 | 100 |
| Embodiment 14 | 99 | 99 |
| Example 15 | 100 | 99 |
| Example 16 | 199 | 100 |
| Example 17 | 100 | 99 |
| Example 18 | 100 | 99 |
| Example 19 | 99 | 99 |
| Embodiment 20 | 100 | 100 |
| Example 21 | 100 | 100 |
| Embodiment 22 | 100 | 100 |
| Example 23 | 99 | 99 |
| Embodiment 24 | 99 | 100 |
Table four dry burning and cold and hot impact test qualification rate
And (3) dry burning qualified standard: the fluctuation range of the resistance is less than 2 percent after the dry burning is carried out for 10min at the power of 8W. And (3) cold and hot impact qualification standard: the burning is stopped for 5s and 7s at 8W power, and the cold and hot impact is repeated for 50 times, so that the electrode does not peel.
Example 27
Dissolving the resin of the slurry in any one of the embodiments 1-24 in part of the organic solvent, mixing, stirring for 2h at 80 ℃ and 60r/min, cooling, filtering and drying to obtain a first mixture for later use;
adding alloy powder and a thixotropic agent into the obtained first mixture according to the parts by weight, uniformly stirring, heating to 80 ℃, and stirring at the speed of 450r/min for 1h to obtain a second mixture for later use;
mixing and grinding part of the second mixed material and the rest of the solvent for 6 hours;
adding functional inorganic substances and glass powder according to the weight parts, continuously grinding for 1.5h, adding the hollow carbon nano tube, and dispersing in a three-roller machine to obtain a third mixture;
the printing shower nozzle of printer will the second mixture with the third mixture sprays according to the shape of electrode in turn on the diatom mud porous atomizer, the second mixture with the third mixture is dried the back under 80 degrees centigrade, toasts 80 minutes back through 1200 degrees centigrade high temperature under the hydrogen atmosphere and is in form on the diatom mud porous atomizer the electrode.
In particular, if the corresponding slurry contains no corresponding component, the above-mentioned preparation process does not require a step of adding a corresponding substance.
The electrodes prepared from the slurries obtained in examples 1 to 24 were subjected to resistance test, dry firing and hot and cold impact test, and the results are shown in table five.
Table five resistance distribution and percent of pass (resistance required range is 1.10 plus or minus 0.10 omega)
100 samples with qualified resistance in each embodiment are randomly and respectively extracted for dry burning and cold and hot impact testing, and the results are shown in the sixth table.
Table six dry burning and cold and hot impact test qualification rate
| Example of the implementation | Dry burning qualification rate (%) | Percent pass cold and hot impact |
| Example 1 | 100 | 100 |
| Example 2 | 99 | 99 |
| Embodiment 3 | 99 | 100 |
| Example 4 | 99 | 100 |
| Example 5 | 100 | 100 |
| Example 6 | 100 | 100 |
| Example 7 | 99 | 99 |
| Example 8 | 100 | 99 |
| Example 9 | 99 | 99 |
| Embodiment 10 | 99 | 100 |
| Example 11 | 100 | 100 |
| Example 12 | 100 | 99 |
| Example 13 | 100 | 100 |
| Embodiment 14 | 99 | 99 |
| Example 15 | 100 | 100 |
| Example 16 | 99 | 100 |
| Example 17 | 100 | 98 |
| Example 18 | 99 | 99 |
| Example 19 | 99 | 100 |
| Embodiment 20 | 100 | 99 |
| Example 21 | 100 | 100 |
| Embodiment 22 | 100 | 100 |
| Example 23 | 100 | 99 |
| Embodiment 24 | 99 | 100 |
And (3) dry burning qualified standard: the fluctuation range of the resistance is less than 2 percent after the dry burning is carried out for 10min at the power of 8W.
And (3) cold and hot impact qualification standard: the burning is stopped for 5s and 7s at 8W power, and the cold and hot impact is repeated for 50 times, so that the electrode does not peel.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A modified electrode slurry for a pumping apparatus, comprising:
wherein the content of the functional inorganic substance and the content of the glass powder are not zero at the same time;
the alloy powder comprises pure binary nickel-chromium alloy and other multi-element alloys: at least one of Ni-Cr-Fe, Ni-Cr-Al, Ni-Cr-Si and Ni-Cr-B, wherein the grain diameter of the alloy powder is 3-100 mu m;
the glass powder comprises borosilicate and/or bismuth silicate, and the particle size of the glass powder is 0.1-50 mu m;
the resin comprises at least one of cellulose derivatives, acrylic resin, polyvinyl butyral and polyester resin;
the thixotropic agent comprises at least one of polyamide wax, fumed silica, hydrogenated castor oil and organic bentonite;
the functional oxide comprises at least one of alumina, silicon dioxide, barium carbonate, diatom ooze, titanium hydride, boron powder, titanium carbide and titanium nitride;
the aperture of the hollow carbon nano tube is smaller than that of the alloy powder, the glass powder and the functional inorganic substance.
2. The modified electrode slurry of claim 1, wherein the alloy powder has a particle size of 5 to 80 μm.
3. The modified electrode paste of claim 1, wherein the glass frit has a particle size of 1 to 20 μm.
4. The modified electrode paste of claim 1, wherein the borosilicate has a melting point of 500-800 ℃ and the silicate has a melting point of 300-500 ℃.
5. The modified electrode slurry of claim 1, wherein the hollow carbon nanotubes have a wall consisting of 3 layers of carbon atoms, the hollow carbon nanotubes consisting of three concentric cylindrical graphene layers.
6. The modified electrode slurry of claim 1, wherein the hollow carbon nanotubes are 0.2 to 2 wt%.
7. A method for preparing a modified electrode for a suction device comprising a substrate for an atomizer, comprising:
dissolving the resin of the slurry of any one of claims 1 to 6 in a part of the organic solvent, mixing, stirring at 60 to 100 ℃ and 30 to 90r/min for 0.2 to 4 hours, cooling, filtering and drying to obtain a first mixture for later use;
adding alloy powder and a thixotropic agent into the obtained first mixture according to the parts by weight, uniformly stirring, heating to 50-100 ℃, and stirring at the speed of 350-;
mixing and grinding part of the second mixed material and the rest of the solvent for 1 to 12 hours;
adding functional inorganic substances and glass powder according to the weight parts, continuously grinding for 0.1 to 3 hours, adding the hollow carbon nanotube, and dispersing in a three-roller machine to obtain a third mixture;
and a printing spray head of the printer alternately sprays the second mixture and the third mixture onto the substrate according to the shape of the electrode, and the second mixture and the third mixture are baked at high temperature to form the electrode on the substrate.
8. The process of claim 7, wherein the second mixture and the third mixture are baked at a temperature of about 1000 ℃ to 1500 ℃ in a hydrogen atmosphere to form the electrode on the substrate.
9. The process of claim 8, wherein the second mixture and the third mixture are dried at 50-100 ℃, and then baked at 1000-1500 ℃ for 10-120 minutes in a hydrogen atmosphere to form the electrode on the substrate.
10. The process of claim 7 wherein said substrate has a mold thereon corresponding to the shape of said electrode, such that a print head of said printer ejects the shape of said electrode onto said substrate in accordance with the shape of said abrasive article; or the substrate is provided with a concave part corresponding to the shape of the electrode, so that a printing nozzle of the printer can eject the shape of the electrode on the substrate according to the shape of the concave part.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114639502A (en) * | 2022-02-17 | 2022-06-17 | 江苏国瓷泓源光电科技有限公司 | Chromium alloy heating slurry for atomizing core and preparation and printing film forming methods thereof |
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