CN111554430A - Novel composite conductive coating paste composition and preparation method thereof - Google Patents
Novel composite conductive coating paste composition and preparation method thereof Download PDFInfo
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- CN111554430A CN111554430A CN202010426986.4A CN202010426986A CN111554430A CN 111554430 A CN111554430 A CN 111554430A CN 202010426986 A CN202010426986 A CN 202010426986A CN 111554430 A CN111554430 A CN 111554430A
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- conductive coating
- carbon black
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- 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
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- 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
- H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
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- 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
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
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- 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
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/18—Conductive material dispersed in non-conductive inorganic material the conductive material comprising carbon-silicon compounds, carbon or silicon
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Abstract
The application relates to the technical field of conductive coating compositions, in particular to a novel composite conductive coating paste composition and a preparation method thereof, wherein the common technical key points of the two schemes are as follows: comprises nano silver, carbon black, a pH regulator, a surfactant and deionized water; the nano silver is a nano metal silver simple substance; the pH regulator is a substance for maintaining or changing the pH value of the conductive coating paste composition; the surfactant is one or more of an anionic surfactant, a nonionic surfactant and an amphoteric surfactant. The invention has the beneficial effects that: the novel composite conductive coating paste composition provides a conductive coating paste which is superior to carbon black, graphite or pure silver paste on glass fiber, plastic or surface metal under the condition of no binder, so that the production process cost is reduced, and the product yield is improved.
Description
Technical Field
The invention relates to the technical field of conductive coating compositions, in particular to a novel composite conductive coating paste composition and a preparation method thereof.
Background
The composite conductive coating paste composition is a novel composite conductive paste, and is mainly applied to the directions of keys, flexible circuits and the like in equipment such as portable electronic products, solar cells, supercapacitors, printed circuit boards and the like.
With the rise of the photovoltaic industry and the printed circuit board industry in China, the research and development of the conductive paste are more and more concerned. In recent years, conductive paste has also entered the industrialization stage, and the manufacturers of membrane switches, photovoltaics and circuit boards with large numbers of long triangles and bead triangles are the largest customers of conductive paste. However, the conductive paste on the market is a composite material consisting of a binder, a conductive filler, an organic solvent and an auxiliary agent. Among them, the binder and the organic solvent have irreversible pollution to the environment.
Disclosure of Invention
The invention aims to provide a novel composite conductive coating paste composition and a preparation method thereof, and the preparation method is simple and is convenient to operate.
In order to achieve the purpose, the invention provides a novel composite conductive coating paste composition, which comprises nano silver, carbon black, a pH regulator, a surfactant and deionized water;
the nano silver is a nano metal silver simple substance;
the surfactant is one or more of an anionic surfactant, a nonionic surfactant and an amphoteric surfactant.
Preferably, the mass fraction of the nano silver is 0.01-0.2%, the mass fraction of the carbon black is 5-7%, the mass fraction of the surfactant is 4-7%, the mass fraction of the pH regulator is 1-2%, and the pH value of the novel composite conductive coating slurry composition is 9-11.
Preferably, the nano silver is a metal silver simple substance, and the particle size range of the nano silver is 25-50 nm.
Preferably, the carbon black is a mixture of superconducting carbon black and pigment carbon black, and the mass ratio of the superconducting carbon black to the pigment carbon black is 1:2-1: 10.
Preferably, the carbon black has a particle size in the range of 10 to 50 nm.
Preferably, the pH regulator is one or more combinations of potassium carbonate, sodium carbonate, potassium hydroxide and sodium hydroxide.
Preferably, the surfactant is one or more of a wetting agent, a penetrating agent, a dispersing agent and a defoaming agent.
The preparation method of the novel composite conductive coating paste composition comprises the following steps:
1. sequentially adding a pH regulator, a surfactant and carbon black into deionized water, and stirring at normal temperature for 4 hours to fully wet the carbon black to form a carbon black suspension;
2. preparing a nano-silver aqueous solution: dissolving a water-soluble silver salt in ammonia water to form a silver-ammonia water solution; secondly, dissolving a reducing agent in water to form a reducing agent solution;
3. slowly adding the silver ammonia water solution and the reducing agent solution into the carbon black suspension according to the proportion of 1:1, keeping the temperature of the carbon black suspension at 10-15 ℃ in the adding process, and slowly stirring the carbon black suspension to form a primary composite conductive coating slurry composition;
4. and (3) placing the primary composite conductive coating paste composition into a wet grinding machine, and grinding to obtain the final composite conductive coating paste composition.
The novel composite conductive coating paste composition has the beneficial effects that the preparation method is simple, the operation is convenient, the novel composite conductive coating paste composition provides a conductive coating paste which is superior to carbon black, graphite or pure silver paste on glass fiber, plastic or surface metal under the condition of no binder, the production process cost is reduced, and the product yield is improved.
The technical solution of the present invention is further described in detail by the following examples.
Detailed Description
The embodiments of the present invention will be further explained below.
Example one
The mass fraction of the nano silver is 0.15%, the mass fraction of the carbon black is 5%, the mass fraction of the surfactant is 5%, the mass fraction of the pH regulator is 1%, and the pH value of the novel composite conductive coating slurry composition is 9.
Taking 100 g of the composite conductive coating paste composition as an example:
example two
Preferably, the mass fraction of the nano silver is 0.2%, the mass fraction of the carbon black is 6%, the mass fraction of the surfactant is 6%, the mass fraction of the pH regulator is 2%, and the pH value of the novel composite conductive coating paste composition is 11.
Taking 100 g of the composite conductive coating paste composition as an example:
EXAMPLE III
Preferably, the mass fraction of the nano silver is 0.1%, the mass fraction of the carbon black is 6%, the mass fraction of the surfactant is 7%, the mass fraction of the pH regulator is 2%, and the pH value of the novel composite conductive coating paste composition is 11.
Taking 100 g of the composite conductive coating paste composition as an example:
therefore, the novel composite conductive coating paste composition and the preparation method thereof are simple in preparation method and convenient to operate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. A novel composite conductive coating paste composition is characterized in that: comprises nano silver, carbon black, a pH regulator, a surfactant and deionized water;
the nano silver is a nano metal silver simple substance;
the surfactant is one or more of an anionic surfactant, a nonionic surfactant and an amphoteric surfactant.
2. The novel composite conductive coating paste composition according to claim 1, wherein: the mass fraction of the nano silver is 0.01-0.2%, the mass fraction of the carbon black is 5-7%, the mass fraction of the surfactant is 4-7%, the mass fraction of the pH regulator is 1-2%, and the pH value of the novel composite conductive coating slurry composition is 9-11.
3. The novel composite conductive coating paste composition according to claim 1, wherein: the nano silver is a metal silver simple substance, and the particle size range of the nano silver is 25-50 nm.
4. The novel composite conductive coating paste composition according to claim 1, wherein: the carbon black is a mixture of superconducting carbon black and pigment carbon black, and the mass ratio of the superconducting carbon black to the pigment carbon black is 1:2-1: 10.
5. The novel composite conductive coating paste composition according to claim 4, wherein: the particle size range of the carbon black is 10-50 nm.
6. The novel composite conductive coating paste composition according to claim 1, wherein: the pH regulator is one or more of potassium carbonate, sodium carbonate, potassium hydroxide and sodium hydroxide.
7. The novel composite conductive coating paste composition according to claim 1, wherein: the surfactant is one or more of wetting agent, penetrant, dispersant and defoaming agent.
8. The preparation method of the novel composite conductive coating paste composition is characterized by comprising the following steps:
1. sequentially adding a pH regulator, a surfactant and carbon black into deionized water, and stirring at normal temperature for 4 hours to fully wet the carbon black to form a carbon black suspension;
2. preparing a nano-silver aqueous solution: dissolving a water-soluble silver salt in ammonia water to form a silver-ammonia water solution; secondly, dissolving a reducing agent in water to form a reducing agent solution;
3. slowly adding the silver ammonia water solution and the reducing agent solution into the carbon black suspension according to the proportion of 1:1, keeping the temperature of the carbon black suspension at 10-15 ℃ in the adding process, and slowly stirring the carbon black suspension to form a primary composite conductive coating slurry composition;
4. and placing the primary composite conductive coating paste composition in a wet grinding machine, and carrying out coarse grinding and fine grinding to obtain the final composite conductive coating paste composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010426986.4A CN111554430A (en) | 2020-05-19 | 2020-05-19 | Novel composite conductive coating paste composition and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010426986.4A CN111554430A (en) | 2020-05-19 | 2020-05-19 | Novel composite conductive coating paste composition and preparation method thereof |
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Citations (9)
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| US20150292105A1 (en) * | 2012-03-02 | 2015-10-15 | Rohm And Haas Electronic Materials Llc | Composites of carbon black and metal |
| US20160009934A1 (en) * | 2013-04-01 | 2016-01-14 | Korea Electrotechnology Research Institute | Highly conductive material formed by hybridization of metal nanomaterial and carbon nanomaterial having higher-order structure due to multiple hydrogen bonding, and manufacturing method therefor |
| CN105363440A (en) * | 2015-11-30 | 2016-03-02 | 北京化工大学 | Carbon black loaded hollow platinum-silver-alloy-nanoparticle composite catalyst and preparation method therefor |
| CN106653141A (en) * | 2016-11-18 | 2017-05-10 | 珠海特普力高精细化工有限公司 | Making method and application method of water-soluble conductive nano silver carbon paste |
| CN107170508A (en) * | 2017-05-14 | 2017-09-15 | 常州市奥普泰克光电科技有限公司 | A kind of preparation method of conductive silver paste |
| CN107740145A (en) * | 2017-10-16 | 2018-02-27 | 广州市天承化工有限公司 | A kind of highly conductive carbon pores liquid of pcb board and its preparation method and application |
| CN108062998A (en) * | 2017-12-11 | 2018-05-22 | 深圳市源恒来实业有限公司 | Conductive nano carbon paste composition and preparation method thereof |
| CN109456646A (en) * | 2018-12-11 | 2019-03-12 | 四川省安德盖姆石墨烯科技有限公司 | A kind of preparation process of Graphene conductive ink |
-
2020
- 2020-05-19 CN CN202010426986.4A patent/CN111554430A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268258A (en) * | 1995-02-17 | 1997-10-14 | Matsushita Electric Ind Co Ltd | Electroconductive composition and its production |
| US20150292105A1 (en) * | 2012-03-02 | 2015-10-15 | Rohm And Haas Electronic Materials Llc | Composites of carbon black and metal |
| US20160009934A1 (en) * | 2013-04-01 | 2016-01-14 | Korea Electrotechnology Research Institute | Highly conductive material formed by hybridization of metal nanomaterial and carbon nanomaterial having higher-order structure due to multiple hydrogen bonding, and manufacturing method therefor |
| CN105363440A (en) * | 2015-11-30 | 2016-03-02 | 北京化工大学 | Carbon black loaded hollow platinum-silver-alloy-nanoparticle composite catalyst and preparation method therefor |
| CN106653141A (en) * | 2016-11-18 | 2017-05-10 | 珠海特普力高精细化工有限公司 | Making method and application method of water-soluble conductive nano silver carbon paste |
| CN107170508A (en) * | 2017-05-14 | 2017-09-15 | 常州市奥普泰克光电科技有限公司 | A kind of preparation method of conductive silver paste |
| CN107740145A (en) * | 2017-10-16 | 2018-02-27 | 广州市天承化工有限公司 | A kind of highly conductive carbon pores liquid of pcb board and its preparation method and application |
| CN108062998A (en) * | 2017-12-11 | 2018-05-22 | 深圳市源恒来实业有限公司 | Conductive nano carbon paste composition and preparation method thereof |
| CN109456646A (en) * | 2018-12-11 | 2019-03-12 | 四川省安德盖姆石墨烯科技有限公司 | A kind of preparation process of Graphene conductive ink |
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