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A kind of anti-sulfide silver electrode slurry and preparation method thereof

A technology of electrode paste and silver sulfide, which is applied in the manufacture of cables/conductors, conductive materials dispersed in non-conductive inorganic materials, circuits, etc., can solve problems such as uneven mixing effects, product function problems, and abnormal resistance values , to achieve the effect of excellent printing performance, uniform slurry and strong anti-vulcanization performance

Active Publication Date: 2022-03-29
GUANGDONG FENGHUA ADVANCED TECH HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of industry, there are more and more sulfur-containing gases in the atmosphere. According to previous experiments and some research and analysis, for chip resistor products used in DC-DC power supplies around automobile engines, under certain circumstances, there will be resistance Abnormal phenomena lead to problems with the entire product function. This kind of situation is caused by the fact that ordinary chip resistors are easily affected by the vulcanization environment. easy vulcanization
[0003] The mixing of materials before pulping in the existing slurry manufacturing process is basically manual or mechanical rotor mixing, and the mixing effect is not uniform enough, especially for powders with small particle size and large specific surface

Method used

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  • A kind of anti-sulfide silver electrode slurry and preparation method thereof
  • A kind of anti-sulfide silver electrode slurry and preparation method thereof
  • A kind of anti-sulfide silver electrode slurry and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] An embodiment of the anti-sulfide silver electrode slurry of the present invention, the anti-sulfide silver electrode slurry described in this embodiment is prepared by the following method:

[0026] (1) Dissolution of organic carrier: take by weighing 45% of hydrogenated terpineol, 30% of ethylene glycol butyl ether acetate, 1% of hydrogenated rosin, 23.5% of ethyl cellulose, and 0.5% of DLTP according to the following percentage by weight. Stir and dissolve in a water bath at 70°C for 2 hours to obtain an organic carrier;

[0027] (2) Production of slurry:

[0028] Design according to the parameters in Table 1:

[0029] Table 1

[0030]

[0031] According to the above formula, use a homogenizer to strengthen the dispersion, and then use a three-roll mill to grind 6-8 times. Among them, the oleic acid can be uniformly mixed with the solvent at a ratio of 1:3 and then fully homogeneously dispersed with the silver micropowder to obtain an anti-sulfide silver electro...

Embodiment 2

[0038] An embodiment of the anti-sulfide silver electrode slurry of the present invention, the anti-sulfide silver electrode slurry described in this embodiment is prepared by the following method:

[0039] (1) Dissolution of organic carrier: take by weight 52% of hydrogenated terpineol, 30% of ethylene di-DHTA, 1% of hydrogenated rosin, 16% of ethyl cellulose, and 1% of DLTP according to the following weight percentages, and place them in a water bath at a temperature of 80°C Stir and dissolve for 1.5 hours to obtain an organic vehicle;

[0040] (2) Production of slurry:

[0041] Design according to the parameters in Table 4:

[0042] Table 4

[0043]

[0044] Mix according to the formula, use a homogenizer to strengthen dispersion, and then use a three-roll mill to grind 6-8 times. Among them, the oleic acid can be uniformly mixed with the solvent at a ratio of 1:3 and then fully homogeneously dispersed with the silver micropowder; to obtain an anti-sulfide silver elect...

Embodiment 3

[0051] An embodiment of the anti-sulfide silver electrode slurry of the present invention, the anti-sulfide silver electrode slurry described in this embodiment is prepared by the following method:

[0052](1) Dissolution of organic carrier: take by weight 60% ethylene glycol butyl ether acetate, DHTA30%, hydrogenated rosin 1%, ethyl cellulose 7%, DLTP 2% according to the following percentage by weight, and put them in a water bath at 90°C stirring and dissolving in medium for 1 hour to obtain an organic carrier;

[0053] (2) Production of slurry:

[0054] Design according to the parameters in Table 7:

[0055] Table 7

[0056]

[0057] Mix according to the formula, use a homogenizer to strengthen the dispersion, and then use a three-roll mill to grind 6-8 times, wherein the oleic acid and the solvent are uniformly mixed according to the ratio of 1:3, and then fully and homogeneously dispersed with the silver micropowder to obtain an anti-sulfide silver electrode slurry. ...

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Abstract

The invention discloses an anti-sulfide silver electrode slurry, which comprises the following components by weight: 60-80 parts of silver micropowder, 2.5-6.5 parts of glass powder, 10-30 parts of organic solvent, 1.5-8.5 parts of organic resin and 0.5 parts of oleic acid ‑2.0 parts; wherein, the specific surface of the silver micropowder is 0.5‑6.0m 2 / g, the particle size D50 of the silver micropowder is not more than 5 μm. The silver electrode paste of the invention is environmentally friendly, has good dispersibility and stability, has better printing performance than traditional silver paste, and has strong sulfuration resistance. At the same time, the invention also discloses a preparation method of the anti-sulfide silver electrode paste.

Description

technical field [0001] The invention relates to a silver electrode slurry and a preparation method thereof, in particular to an anti-sulfide silver electrode slurry and a preparation method thereof. Background technique [0002] With the development of industry, there are more and more sulfur-containing gases in the atmosphere. According to previous experiments and some research and analysis, for chip resistor products used in DC-DC power supplies around automobile engines, under certain circumstances, there will be resistance Abnormal phenomena lead to problems with the entire product function. This kind of situation is caused by the fact that ordinary chip resistors are easily affected by the vulcanization environment. Easy to vulcanize. [0003] The mixing of materials before pulping in the existing slurry manufacturing process is basically done by manual stirring or mechanical rotor stirring, and the mixing effect is not uniform enough, especially for powders with small...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/16H01B1/22H01B13/00
CPCH01B1/16H01B1/22H01B13/00
Inventor 欧阳铭吴海斌廖明雅陈樱琳谢子城宋永生罗文忠
Owner GUANGDONG FENGHUA ADVANCED TECH HLDG
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