CN114639503A - Conductive silver paste for emergency treatment of high-voltage connector heating and preparation method thereof - Google Patents
Conductive silver paste for emergency treatment of high-voltage connector heating and preparation method thereof Download PDFInfo
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- CN114639503A CN114639503A CN202210453723.1A CN202210453723A CN114639503A CN 114639503 A CN114639503 A CN 114639503A CN 202210453723 A CN202210453723 A CN 202210453723A CN 114639503 A CN114639503 A CN 114639503A
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- Prior art keywords
- conductive silver
- silver paste
- emergency treatment
- parts
- voltage connector
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000002952 polymeric resin Substances 0.000 claims abstract description 12
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- -1 aldehyde ketone Chemical class 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 229920000728 polyester Polymers 0.000 claims abstract description 4
- 239000004814 polyurethane Substances 0.000 claims abstract description 4
- 229920002635 polyurethane Polymers 0.000 claims abstract description 4
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 6
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims description 3
- JDSQBDGCMUXRBM-UHFFFAOYSA-N 2-[2-(2-butoxypropoxy)propoxy]propan-1-ol Chemical compound CCCCOC(C)COC(C)COC(C)CO JDSQBDGCMUXRBM-UHFFFAOYSA-N 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses conductive silver paste for emergency treatment of high-voltage connector heating and a preparation method thereof, wherein the conductive silver paste is prepared from the following raw materials in parts by weight: 1-10 parts of polymer resin, 20-70 parts of solvent, 0.1-3 parts of dispersant and 20-80 parts of silver powder; the high polymer resin comprises at least one of vinyl chloride-vinyl acetate copolymer, polyurethane, polyester, epoxy resin and aldehyde ketone resin; the conductive silver paste provided by the invention can be used in cooperation with a spraying process, is convenient and safe to operate, can adapt to heating conditions of various high-voltage connectors, and can obviously reduce the heating problem.
Description
Technical Field
The invention relates to the technical field of new materials, in particular to conductive silver paste for emergency treatment of high-voltage connector heating and a preparation method thereof.
Background
During the operation of the high-voltage transmission line joint, heating is easily caused due to various factors such as loosening of joint bolts, high-current impact, chemical corrosion, electric corrosion and the like, so that the safe and stable operation of a power transmission system is seriously influenced; but the immediate power failure treatment can also provide the stability of power transmission and supply. In order to solve the problem, emergency electrification treatment is necessary, and the heating and electrification emergency treatment of the conventional high-voltage connector is a method for connecting an electrified heating part by using a metal physical clamp, but the method is not convenient to use and is not safe to operate.
Disclosure of Invention
Based on the problems in the background art, the invention discloses a conductive silver paste for emergency treatment of high-voltage connector heating, which is characterized in that: the conductive silver paste is prepared from the following raw materials in parts by weight: 1-10 parts of polymer resin, 20-70 parts of solvent, 0.1-3 parts of dispersant and 20-80 parts of silver powder;
the high polymer resin comprises at least one of vinyl chloride-vinyl acetate copolymer, polyurethane, polyester, epoxy resin and aldehyde ketone resin;
the solvent comprises at least one of butyl acetate, ethyl acetate, acetone, butanone, propylene glycol ether acetate, propylene glycol methyl ether, ethylene glycol ether acetate, diethylene glycol butyl ether acetate and isophorone;
the dispersant is polyacrylic acid copolymer;
the silver powder comprises one or more of flake silver powder, spherical silver powder and nano silver powder.
Preferably: the weight portion of the high molecular resin is 2-7.
Preferably: the weight portion of the solvent is 30-60.
Preferably: the weight portion of the dispersant is 0.2-1.
Preferably: the silver powder accounts for 30-60 parts by weight.
Preferably: the particle size of the flake silver powder is 0.5-30um, the particle size of the spherical silver powder is 0.5-10um, and the particle size of the nano silver powder is 20-1000 nm.
Preferably: the invention also discloses a preparation method of the conductive silver paste for the heating emergency treatment of the high-voltage connector, which is characterized by comprising the following steps of: the method comprises the following steps:
s1, dissolving the polymer resin into the solvent, and stirring at high speed in a water bath at 80 ℃ to dissolve 6H to form a polymer solution;
s2, adding the dispersing agent, the silver powder and the solvent into the polymer solution in sequence, and continuously stirring at 1000rpm for 1 hour;
and S3, putting the stirred solution into a three-roller machine for three-roller until the testing fineness is below 3 um.
Preferably: the invention also discloses application of the conductive silver paste in the high-voltage joint heat dissipation field, wherein the conductive silver paste is applied to the high-voltage joint heat generation emergency treatment.
The beneficial effects of the invention are as follows: this electrically conductive silver thick liquid can cooperate spraying technology to use, and convenient operation is safe, can adapt to the various high pressure joint circumstances of generating heat, can obviously reduce the problem of generating heat, can keep the effect of longer time.
Drawings
Fig. 1 is a flow chart of a preparation method of conductive silver paste for emergency treatment of high-voltage connector heating according to the invention;
FIG. 2 is a graph showing temperature measurements of heat generated by a high-pressure joint before spraying according to an embodiment;
FIG. 3 is a graph of temperature measurements of heat generation of a high-pressure joint after spray coating according to one embodiment;
FIG. 4 is a statistical chart of temperature measurements over a period of time according to an embodiment.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The invention discloses conductive silver paste for emergency treatment of high-voltage connector heating, which is characterized by comprising the following components in parts by weight: the conductive silver paste is prepared from the following raw materials in parts by weight: 1-10 parts of polymer resin, 20-70 parts of solvent, 0.1-3 parts of dispersant and 20-80 parts of silver powder;
the high polymer resin comprises at least one of vinyl chloride-vinyl acetate resin, polyurethane, polyester, epoxy resin and aldehyde ketone resin;
the solvent comprises at least one of butyl acetate, ethyl acetate, acetone, butanone, propylene glycol ether acetate, propylene glycol methyl ether, ethylene glycol ether acetate, diethylene glycol butyl ether acetate and isophorone;
the dispersant is polyacrylic acid copolymer;
the silver powder comprises one or more of flake silver powder, spherical silver powder and nano silver powder.
Preferably: the weight portion of the high molecular resin is 2-7.
Preferably: the weight portion of the solvent is 30-60.
Preferably: the weight portion of the dispersant is 0.2-1.
Preferably: the silver powder accounts for 30-60 parts by weight.
Preferably: the particle size of the flake silver powder is 0.5-30um, the particle size of the spherical silver powder is 0.5-10um, and the particle size of the nano silver powder is 20-1000 nm.
Preferably, the following components: the invention also discloses a preparation method of the conductive silver paste for the heating emergency treatment of the high-voltage connector, which is characterized by comprising the following steps of: the method comprises the following steps:
s1, dissolving the polymer resin into the solvent, and stirring at high speed in a water bath at 80 ℃ to dissolve for 6H to form a polymer solution;
s2, adding the dispersing agent, the silver powder and the solvent into the polymer solution in sequence, and continuously stirring for 1 hour at 1000 rpm;
and S3, putting the stirred solution into a three-roller machine for three-roller until the test fineness is below 3 um.
Preferably: the invention also discloses application of the conductive silver paste in the high-voltage joint heat dissipation field, wherein the conductive silver paste is applied to the high-voltage joint heat generation emergency treatment.
The first embodiment of the invention is conductive silver paste, and the preparation raw material comprises the following components in parts by weight:
the second embodiment of the invention is conductive silver paste, and the preparation raw materials comprise the following components in parts by weight:
the third embodiment of the invention is conductive silver paste, and the preparation raw materials comprise the following components in parts by weight:
the fourth embodiment of the invention is conductive silver paste, and the preparation raw materials comprise the following components in parts by weight:
the fifth embodiment of the invention is conductive silver paste, and the preparation raw material comprises the following components in parts by weight:
the preparation method of the conductive silver paste comprises the following steps of S1, dissolving polymer resin into a solvent, and stirring and dissolving for 6H at a high speed in a water bath at a temperature of 80 ℃ to form a polymer solution;
s2, adding the dispersing agent, the silver powder and the solvent into the polymer solution in sequence, and continuously stirring for 1 hour at 1000 rpm;
and S3, putting the stirred solution into a three-roller machine for three-roller until the testing fineness is below 3 um.
Table 1 ratio list of the examples
The conductive silver paste prepared above was subjected to a performance test to be sprayed on a heat-generating high-voltage connector to obtain the following data
| Temperature before spraying (degree centigrade) | Coating waiting temperature (centigrade) | |
| Example 1 | 120 | 38 |
| Example 2 | 13 | 45 |
| Example 3 | 123 | 43 |
| Example 4 | 117 | 42 |
| Example 5 | 118 | 40 |
The conductive silver paste prepared by the scheme of the embodiment of the invention has good hardness and adhesion, and the heat dissipation effect is obvious.
The above description is only an example of the present invention, and is not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification, or directly or indirectly applied to the related technical field, are included in the scope of the present invention. .
Claims (8)
1. The utility model provides a should high pressure joint generate heat emergency treatment's electrically conductive silver thick liquid which characterized in that: the conductive silver paste is prepared from the following raw materials in parts by weight: 1-10 parts of polymer resin, 20-70 parts of solvent, 0.1-3 parts of dispersant and 20-80 parts of silver powder;
the high polymer resin comprises at least one of vinyl chloride-vinyl acetate copolymer, polyurethane, polyester, epoxy resin and aldehyde ketone resin;
the solvent comprises at least one of butyl acetate, ethyl acetate, acetone, butanone, propylene glycol ether acetate, propylene glycol methyl ether, ethylene glycol ether acetate, diethylene glycol butyl ether acetate and isophorone;
the dispersant is polyacrylic acid copolymer;
the silver powder comprises one or more of flake powder, ball powder and nano silver powder.
2. The conductive silver paste applied to the heating emergency treatment of the high-voltage connector according to claim 1, is characterized in that: the weight portion of the high molecular resin is 2-7.
3. The conductive silver paste applied to the heating emergency treatment of the high-voltage connector according to claim 1, is characterized in that: the weight portion of the solvent is 30-60.
4. The conductive silver paste applied to the heating emergency treatment of the high-voltage connector according to claim 1, is characterized in that: the weight portion of the dispersant is 0.2-1.
5. The conductive silver paste applied to the heating emergency treatment of the high-voltage connector according to claim 1, is characterized in that: the weight portion of the silver powder is 30-60.
6. The conductive silver paste for the emergency treatment of high-voltage connector heating according to claim 1, wherein the conductive silver paste comprises: the particle size of the flake powder is 0.5-30um, the particle size of the ball powder is 0.5-10um, and the particle size of the nano silver powder is 20-1000 nm.
7. The preparation method of the conductive silver paste for the high-voltage joint heating emergency treatment according to any one of claims 1 to 6, is characterized by comprising the following steps: the method comprises the following steps:
s1, dissolving the polymer resin into the solvent, and stirring at high speed in a water bath at 80 ℃ to dissolve 6H to form a polymer solution;
s2, adding the dispersing agent, the silver powder and the solvent into the polymer solution in sequence, and continuously stirring at 1000rpm for 1 hour;
and S3, putting the stirred solution into a three-roller machine for three-roller until the testing fineness is below 3 um.
8. The application of the conductive silver paste which is used for the emergency treatment of the high-voltage connector heating and is disclosed by any one of claims 1 to 6 in the field of high-voltage connector heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453723.1A CN114639503A (en) | 2022-04-27 | 2022-04-27 | Conductive silver paste for emergency treatment of high-voltage connector heating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453723.1A CN114639503A (en) | 2022-04-27 | 2022-04-27 | Conductive silver paste for emergency treatment of high-voltage connector heating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114639503A true CN114639503A (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210453723.1A Pending CN114639503A (en) | 2022-04-27 | 2022-04-27 | Conductive silver paste for emergency treatment of high-voltage connector heating and preparation method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006124787A (en) * | 2004-10-29 | 2006-05-18 | Hideaki Maeda | High crystallinity nano-silver particle slurry and its production method |
| CN103378424A (en) * | 2012-04-16 | 2013-10-30 | 国家电网公司 | Emergency live-line processing device for high voltage joint heating |
| CN104538083A (en) * | 2014-12-24 | 2015-04-22 | 保定乐凯照相化学有限公司 | High adhesive force and low-temperature setting conductive silver paste and preparing method thereof |
| CN104752006A (en) * | 2015-02-13 | 2015-07-01 | 佛山市中彩科技有限公司 | Preparation method of conductive silver paste |
| CN108062996A (en) * | 2017-12-14 | 2018-05-22 | 中国科学院深圳先进技术研究院 | One kind is from heat release pressureless sintering conductive silver paste and preparation method thereof |
| CN110232984A (en) * | 2018-03-05 | 2019-09-13 | 宁波柔印电子科技有限责任公司 | A kind of printing conductive silver paste and preparation method thereof |
| CN110491543A (en) * | 2019-07-30 | 2019-11-22 | 北京氦舶科技有限责任公司 | A kind of conductive silver paste for touch screens and preparation method thereof |
| CN111769419A (en) * | 2020-08-18 | 2020-10-13 | 国网福建省电力有限公司南平供电公司 | High-conductivity silver paste electrification processing combined device and method for electric power high-voltage equipment |
| CN114283964A (en) * | 2021-12-29 | 2022-04-05 | 苏州创印电子科技有限公司 | Conductive silver paste and preparation method thereof |
-
2022
- 2022-04-27 CN CN202210453723.1A patent/CN114639503A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006124787A (en) * | 2004-10-29 | 2006-05-18 | Hideaki Maeda | High crystallinity nano-silver particle slurry and its production method |
| CN103378424A (en) * | 2012-04-16 | 2013-10-30 | 国家电网公司 | Emergency live-line processing device for high voltage joint heating |
| CN104538083A (en) * | 2014-12-24 | 2015-04-22 | 保定乐凯照相化学有限公司 | High adhesive force and low-temperature setting conductive silver paste and preparing method thereof |
| CN104752006A (en) * | 2015-02-13 | 2015-07-01 | 佛山市中彩科技有限公司 | Preparation method of conductive silver paste |
| CN108062996A (en) * | 2017-12-14 | 2018-05-22 | 中国科学院深圳先进技术研究院 | One kind is from heat release pressureless sintering conductive silver paste and preparation method thereof |
| CN110232984A (en) * | 2018-03-05 | 2019-09-13 | 宁波柔印电子科技有限责任公司 | A kind of printing conductive silver paste and preparation method thereof |
| CN110491543A (en) * | 2019-07-30 | 2019-11-22 | 北京氦舶科技有限责任公司 | A kind of conductive silver paste for touch screens and preparation method thereof |
| CN111769419A (en) * | 2020-08-18 | 2020-10-13 | 国网福建省电力有限公司南平供电公司 | High-conductivity silver paste electrification processing combined device and method for electric power high-voltage equipment |
| CN114283964A (en) * | 2021-12-29 | 2022-04-05 | 苏州创印电子科技有限公司 | Conductive silver paste and preparation method thereof |
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|---|
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