CN107731347B - Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste and preparation method thereof - Google Patents
Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste and preparation method thereof Download PDFInfo
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- CN107731347B CN107731347B CN201710907937.0A CN201710907937A CN107731347B CN 107731347 B CN107731347 B CN 107731347B CN 201710907937 A CN201710907937 A CN 201710907937A CN 107731347 B CN107731347 B CN 107731347B
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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
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising 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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- 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
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- 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
Abstract
The present invention discloses a kind of low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste, and by weight, which is made of the following components: component A: 5.37-5.89 parts of polyvinyl alcohol, 1.12-1.63 parts of talcum powder, 0.82-1.44 parts of zinc borate；Component B: 11.56-13.05 parts of carbon black, 0.52-0.67 parts of coupling agent, 1.23-1.71 parts of bentonite, 8.22-8.56 parts of carbon fiber；Component C: 10.55-12.15 parts of water-soluble resin, 2.25-3.12 parts of nickel powder, 0.48-1.02 parts of paraffin, 0.55-0.65 parts of pentaerythrite, 42.55-46.75 parts of deionized water；Component D: 3.89-4.42 parts of graphene.The invention also discloses a kind of low resistances, anti-oxidant, anticorrosion Graphene powder conductive paste preparation method, Graphene powder is used for conductive paste by the present invention, is capable of increasing electric conductivity, reduces resistance, antioxygenic property can also be promoted, it prevents from corroding, simultaneously because joined graphene, promotes electric conductivity, so as to reduce conductive paste dosage, reduced thickness, so adding graphene in conductive paste, performance is significantly better than conventional conductive cream.
Description
Technical field
The invention belongs to electric power to connect field, be related to a kind of conductive paste, specifically a kind of low resistance, anti-oxidant, anticorrosion
Graphene powder conductive paste and preparation method thereof.
Background technique
Common conductive material is mostly copper and aluminium in power engineering, since there is various corrosion in the environment of work
Gas, moisture etc. can corrode the conductor contact surface of connection.So copper and aluminium surface are easy its chemical reaction oxidation in routine work
Copper and aluminium oxide, these novel substances can be covered on surface as film, and electric conductivity is very poor, form contact resistance.With
The runing time that works increases, and the contact resistance of two contact surfaces constantly becomes larger at electrical connector, causes the energy consumption of contact surface also continuous
It increases；Electrical contact face heating loss also will increase, to improve contact position temperature, the corresponding electric energy phenomenon that wastes is more serious,
Increase the thermal losses of junction, the meeting of working long hours at electrical connection so that burn, it is also possible to lead to the generation of fire；Contact position
Resistance can also generate certain pressure drop in contact position again.
Therefore, in electrical connection, conductive paste is generallyd use in order to reduce contact resistance, conductive paste common at present is gold
Belong to particle (aluminium powder) and the conductive paste that chemical substance mixes, work of this conductive paste in not external force is added in other metal powders
Under, it is not turned on universal meter detection, is only just connected under the effect of external force, belongs to neutral conductive cream, this conductive paste is adopted
It uses metal powder as conductive carrier, exists than great, it is at high cost, and as the temperature rises, resistance increases.
Conductive paste is applied between electric conductor, for reducing contact resistance, anti-oxidant, anticorrosion, prolonging the service life has
Place, but conductive paste is not good conductor, it is not smearable too thick.
The graphite that CN201210004950.2 discloses a kind of preparation method of cadmium telluride diaphragm solar battery and its uses
Conductive paste, including a cadmium-telluride layer is formed, the graphite guide for being 0.5~3 micron in the one side cladding thickness of the cadmium-telluride layer
Electric cream, it is described graphite conductive paste used to be mainly made of 60~90% basic material and 5~33% graphene.But the graphite
Cream is not met by requirement in terms of high-voltage power connecting.
Summary of the invention
The purpose of the present invention is to provide a kind of low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste and its preparation sides
Method.
The purpose of the present invention can be achieved through the following technical solutions:
Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste, by weight, which is made of the following components:
Component A: 5.37-5.89 parts of polyvinyl alcohol, 1.12-1.63 parts of talcum powder, 0.82-1.44 parts of zinc borate；Component B: carbon black
11.56-13.05 parts, 0.52-0.67 parts of coupling agent, 1.23-1.71 parts of bentonite, 8.22-8.56 parts of carbon fiber；Component C: water
10.55-12.15 parts of soluble resin, 0.48-1.02 parts of paraffin, 0.55-0.65 parts of pentaerythrite, is gone 2.25-3.12 parts of nickel powder
42.55-46.75 parts of ionized water；Component D: 3.89-4.42 parts of graphene.
Further, the component A: 5.65 parts of polyvinyl alcohol, 1.45 parts of talcum powder, 1.05 parts of zinc borate；The component
B: 12.50 parts of carbon black, 0.59 part of coupling agent, 1.55 parts of bentonite, 8.40 parts of carbon fiber；The component C: water-soluble resin
11.50 parts, 2.75 parts of nickel powder, 0.85 part of paraffin, 0.60 part of pentaerythrite, 45.00 parts of deionized water；Component D: graphene 4.15
Part.
Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste preparation method, the preparation method the following steps are included:
Prepare component A, component B, each raw material in component C by weight ratio；Raw material in component C is added in reaction vessel, unlatching is stirred
Mixing equipment then takes the 15-25% of component B weight to be added in reaction vessel, keeps 15-20min；Component A is slowly added into instead
It answers in container, keeps 15-20min；Volatile silicone oils, mixing is added in the ratio that 2-3mL volatile silicone oils are added in every part of component D
10-15min；Remaining ingredient B is added in reaction vessel, 15-20min is kept, is again heated to 120-130 DEG C, and keep 10-
20min forms greasy material；Lubrication shape material obtained above is down to room temperature, is ground on grinder, obtains graphene
Powder conductive paste.
Beneficial effects of the present invention: Graphene powder is used for conductive paste by the present invention, is capable of increasing electric conductivity, reduces resistance,
Antioxygenic property can also be promoted, prevents from corroding, simultaneously because joined graphene, electric conductivity is promoted, is led so as to reduce
Electric cream dosage, reduced thickness, so adding graphene in conductive paste, performance is significantly better than conventional conductive cream.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is preparation method flow diagram of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
Embodiment 1
Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste, by weight, which is made of the following components:
Component A: 5.65 parts of polyvinyl alcohol, 1.45 parts of talcum powder, 1.05 parts of zinc borate；
Component B: 12.50 parts of carbon black, 0.59 part of coupling agent, 1.55 parts of bentonite, 8.40 parts of carbon fiber；
Component C: 11.50 parts of water-soluble resin, 2.75 parts of nickel powder, 0.85 part of paraffin, 0.60 part of pentaerythrite, deionized water
45.00 parts；
Component D: 4.15 parts of graphene.
Conductive paste the preparation method comprises the following steps: preparing component A, component B, each original in component C by weight ratio in the embodiment
Material；Raw material in component C is added in reaction vessel, mixing plant is opened, then takes the 20% of component B weight that reaction vessel is added
In, keep 18min；Component A is slowly added into reaction vessel, 18min is kept；2.5mL volatility silicon is added by every part of component D
Volatile silicone oils are added in the ratio of oil, mix 12min；Remaining ingredient B is added in reaction vessel, 18min is kept, is again heated to
125 DEG C, and 15min is kept, form greasy material；Lubrication shape material obtained above is down to room temperature, is ground on grinder
Mill, obtains Graphene powder conductive paste, referring to Fig. 1.
Embodiment 2
Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste, by weight, which is made of the following components:
Component A: 5.89 parts of polyvinyl alcohol, 1.12 parts of talcum powder, 1.44 parts of zinc borate；
Component B: 11.56 parts of carbon black, 0.67 part of coupling agent, 1.23 parts of bentonite, 8.56 parts of carbon fiber；
Component C: 10.55 parts of water-soluble resin, 3.12 parts of nickel powder, 0.48 part of paraffin, 0.65 part of pentaerythrite, deionized water
42.55 parts；
Component D: 4.42 parts of graphene.
Conductive paste the preparation method comprises the following steps: preparing component A, component B, each original in component C by weight ratio in the embodiment
Material；Raw material in component C is added in reaction vessel, mixing plant is opened, then takes the 15% of component B weight that reaction vessel is added
In, keep 20min；Component A is slowly added into reaction vessel, 15min is kept；3mL volatile silicone oils are added by every part of component D
Ratio be added volatile silicone oils, mix 10min；Remaining ingredient B is added in reaction vessel, 20min is kept, is again heated to
120 DEG C, and 20min is kept, form greasy material；Lubrication shape material obtained above is down to room temperature, is ground on grinder
Mill, obtains Graphene powder conductive paste.
Embodiment 3
Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste, by weight, which is made of the following components:
Component A: 5.37 parts of polyvinyl alcohol, 1.63 parts of talcum powder, 0.82 part of zinc borate；
Component B: 13.05 parts of carbon black, 0.52 part of coupling agent, 1.71 parts of bentonite, 8.22 parts of carbon fiber；
Component C: 12.15 parts of water-soluble resin, 2.25 parts of nickel powder, 1.02 parts of paraffin, 0.55 part of pentaerythrite, deionized water
46.75 parts；
Component D: 3.89 parts of graphene.
Conductive paste the preparation method comprises the following steps: preparing component A, component B, each original in component C by weight ratio in the embodiment
Material；Raw material in component C is added in reaction vessel, mixing plant is opened, then takes the 25% of component B weight that reaction vessel is added
In, keep 15min；Component A is slowly added into reaction vessel, 20min is kept；2mL volatile silicone oils are added by every part of component D
Ratio be added volatile silicone oils, mix 15min；Remaining ingredient B is added in reaction vessel, 15min is kept, is again heated to
130 DEG C, and 10min is kept, form greasy material；Lubrication shape material obtained above is down to room temperature, is ground on grinder
Mill, obtains Graphene powder conductive paste.
1. conductive paste of the present invention when two pieces of conductor central oiling rouge are sufficiently thin, generates " tunnel-effect " after energization, pass
Electrical conduction current.
2. adding carbon fiber in conductive paste of the present invention, the axial strength and modulus of carbon fiber are high, and density is low, higher than performance,
Without creep, superhigh temperature resistant under non-oxidizing atmosphere, corrosion resistance, fatigue durability are good, improve high temperature resistant, the corrosion resistance of conductive paste
Energy.
3. talcum powder, zinc borate, bentonite, the nickel powder stably dispersing in conductive paste in the present invention, form in friction surface
Different from the superficial layer of metal body, surface hardness can be improved, improve surface plastic deformation characteristic, there is self-repair function,
Surface roughness is reduced, antioxidant effect is greatly improved.
4. electric conductivity is good under external force or under free position for conductive paste composition of the present invention, non magnetic, surely
Qualitative height, good heat dissipation is corrosion-resistant, and resistance declines as the temperature rises, and energy-saving effect is good.
Graphene powder conductive paste uses between conductive material (copper and aluminium) in embodiment 1-3, and smearing thickness exists
0.3-0.4 millimeters, anti-oxidant, anticorrosion, electric conductivity can be promoted, and reduce conductive paste dosage.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (3)
1. low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste, which is characterized in that by weight, the conductive paste is by following
Component is made:
Component A: 5.37-5.89 parts of polyvinyl alcohol, 1.12-1.63 parts of talcum powder, 0.82-1.44 parts of zinc borate；
Component B: 11.56-13.05 parts of carbon black, 0.52-0.67 parts of coupling agent, 1.23-1.71 parts of bentonite, carbon fiber 8.22-
8.56 part；
Component C: 10.55-12.15 parts of water-soluble resin, 2.25-3.12 parts of nickel powder, 0.48-1.02 parts of paraffin, pentaerythrite
0.55-0.65 parts, 42.55-46.75 parts of deionized water；
Component D: 3.89-4.42 parts of graphene；
The preparation step of Graphene powder conductive paste are as follows:
Prepare component A, component B, each raw material in component C by weight ratio；
Raw material in component C is added in reaction vessel, mixing plant is opened, then takes the 15-25% of component B weight that reaction is added
In container, 15-20min is kept；
Component A is slowly added into reaction vessel, 15-20min is kept；
Volatile silicone oils are added in the ratio that 2-3mL volatile silicone oils are added in every part of component D, mix 10-15min；
Remaining ingredient B is added in reaction vessel, 15-20min is kept, is again heated to 120-130 DEG C, and keep 10-20min,
Form greasy material；
Greasy material obtained above is down to room temperature, is ground on grinder, obtains Graphene powder conductive paste.
2. low resistance according to claim 1, anti-oxidant, anticorrosion Graphene powder conductive paste, it is characterised in that: described group
Divide A: 5.65 parts of polyvinyl alcohol, 1.45 parts of talcum powder, 1.05 parts of zinc borate；
The component B: 12.50 parts of carbon black, 0.59 part of coupling agent, 1.55 parts of bentonite, 8.40 parts of carbon fiber；
The component C: 11.50 parts of water-soluble resin, 2.75 parts of nickel powder, 0.85 part of paraffin, 0.60 part of pentaerythrite, deionized water
45.00 parts；
Component D: 4.15 parts of graphene.
3. low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste preparation method, which is characterized in that the preparation method includes
Following steps:
Prepare component A, component B, each raw material in component C by weight ratio；Component A: 5.37-5.89 parts of polyvinyl alcohol, talcum
1.12-1.63 parts of powder, 0.82-1.44 parts of zinc borate；
Component B: 11.56-13.05 parts of carbon black, 0.52-0.67 parts of coupling agent, 1.23-1.71 parts of bentonite, carbon fiber 8.22-
8.56 part；
Component C: 10.55-12.15 parts of water-soluble resin, 2.25-3.12 parts of nickel powder, 0.48-1.02 parts of paraffin, pentaerythrite
0.55-0.65 parts, 42.55-46.75 parts of deionized water；
Component D: 3.89-4.42 parts of graphene；
Raw material in component C is added in reaction vessel, mixing plant is opened, then takes the 15-25% of component B weight that reaction is added
In container, 15-20min is kept；
Component A is slowly added into reaction vessel, 15-20min is kept；
Volatile silicone oils are added in the ratio that 2-3mL volatile silicone oils are added in every part of component D, mix 10-15min；
Remaining ingredient B is added in reaction vessel, 15-20min is kept, is again heated to 120-130 DEG C, and keep 10-20min,
Form greasy material；
Greasy material obtained above is down to room temperature, is ground on grinder, obtains Graphene powder conductive paste.
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| CN201710907937.0A CN107731347B (en) | 2017-09-29 | 2017-09-29 | Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste and preparation method thereof |
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| CN201710907937.0A CN107731347B (en) | 2017-09-29 | 2017-09-29 | Low resistance, anti-oxidant, anticorrosion Graphene powder conductive paste and preparation method thereof |
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| CN107731347B true CN107731347B (en) | 2019-06-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254584A (en) * | 2011-05-12 | 2011-11-23 | 中国科学院宁波材料技术与工程研究所 | General electronic paste based on graphene filler |
| CN104658697A (en) * | 2013-11-20 | 2015-05-27 | 青岛古宇石墨有限公司 | Manufacturing process of energy-saving type conductive paste |
| CN106243836A (en) * | 2016-08-15 | 2016-12-21 | 青岛德通纳米技术有限公司 | A kind of graphene conductive carbon slurry and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9803124B2 (en) * | 2012-12-05 | 2017-10-31 | Nanotek Instruments, Inc. | Process for producing unitary graphene matrix composites containing carbon or graphite fillers |
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- 2017-09-29 CN CN201710907937.0A patent/CN107731347B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254584A (en) * | 2011-05-12 | 2011-11-23 | 中国科学院宁波材料技术与工程研究所 | General electronic paste based on graphene filler |
| CN104658697A (en) * | 2013-11-20 | 2015-05-27 | 青岛古宇石墨有限公司 | Manufacturing process of energy-saving type conductive paste |
| CN106243836A (en) * | 2016-08-15 | 2016-12-21 | 青岛德通纳米技术有限公司 | A kind of graphene conductive carbon slurry and preparation method thereof |
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