CN106607323A - A preparation process for an aluminum base graphene composite material - Google Patents
A preparation process for an aluminum base graphene composite material Download PDFInfo
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- CN106607323A CN106607323A CN201611178648.3A CN201611178648A CN106607323A CN 106607323 A CN106607323 A CN 106607323A CN 201611178648 A CN201611178648 A CN 201611178648A CN 106607323 A CN106607323 A CN 106607323A
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- graphene
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- aluminium base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2518/00—Other type of polymers
Abstract
The invention provides a preparation process for an aluminum base graphene composite material. The preparation process comprises the steps of: A, preparing a graphene dispersion liquid; B, preparing a composite conductive agent; C, adding the graphene dispersion liquid into phenoxy resin for mixing, letting the mixture stand for 1-3H after mixing, and adding the composite conductive agent for mixing to obtain a graphene coating liquid; D, applying the graphene coating liquid to aluminum foils uniformly; F, drying and curing the aluminum foils coated with the graphene coating liquid to obtain the finished products. By using the special process, the obtained finished products have the advantages of excellent conductive performances and excellent heat conduction and heat dissipation effects and can be widely applied to various fields.
Description
Technical field
The present invention relates to a kind of preparation technology of aluminium base graphene composite material.
Background technology
With the development of science and technology, radiating, anti-corrosion suffer from great demand in every field.Aluminum material has scattered
Thermogravimetric amount is light, perfect heat-dissipating, the features such as good energy-conserving effect reproducible utilization.It is excellent because of its in fields such as radiating, insulation, external decorations
Performance more is widely used in:The row such as machinery, automobile, wind-power electricity generation, engineering machinery, air compressor machine, railway locomotive, household electrical appliance
Industry field.
But current aluminium foil also generally existing conductive effect is poor, the not good defect of heat conduction, radiating effect.Graphene conduct
21st century most promising brand-new material, has the advantages that intensity is high, electrical and thermal conductivity performance is superpower.At present, with regard to aluminium
Material is increasingly paid close attention to the research and development of graphene composite material by countries in the world researcher.
The content of the invention
To overcome the defect of prior art, it is an object of the invention to provide a kind of preparation of aluminium base graphene composite material
Technique, using Particular craft, obtained finished product electric conductivity is splendid, heat conduction, radiating effect are superior, can be widely applied to each
Field.
The present invention solves technical problem and adopts the following technical scheme that:
A kind of preparation technology of aluminium base graphene composite material, preparation method is as follows:
A, prepare graphene dispersing solution.Nanoscale graphite alkene is added in tetrahydrofuran, first time ultrasonic wave shake is then carried out
Swing, the concussion time is 1-3H, ultrasonic frequency is 40~60kHZ, obtains initial dispersion;Polyethylene will be added in initial dispersion
Pyrrolidones, then second ultrasonic oscillation is carried out, the concussion time is 1.5-2H, and ultrasonic frequency is 40~60kHZ, obtains graphite
Alkene dispersion liquid.
B, prepare combined conductive agent, by acetylene carbon black, Super P, Ketjen black mixing, after being well mixed composite conducting
Agent.
C, count by weight, 10-80 part graphene dispersing solutions are added in 150-375 part focus ratios, carry out
Mix, incorporation time is 3-5H, after being well mixed, stand 1-3H, add 1-5 part combined conductive agents, carry out mixing and stir
Mix, the mixing time is 1-2H, mixing obtains Graphene coating solution after terminating.
D, Graphene coating solution is uniformly coated on aluminium foil, Graphene coating layer thickness is 120-380nm.
F, coated aluminium foil is carried out baking and curing, hardening time is 5-10s, and solidification temperature is:280~330 DEG C,
Dried in tunnel machine, finished product is obtained after drying.
A kind of preparation technology of above-mentioned aluminium base graphene composite material, wherein, combined conductive agent is acetylene carbon black, Super
P, Ketjen black are with 3:7:Mixture obtained by 8 part by weight mixing.
A kind of preparation technology of above-mentioned aluminium base graphene composite material, wherein, it is 10- that the nanoscale graphite alkene is size
The Graphene of 30nm.
A kind of preparation technology of above-mentioned aluminium base graphene composite material, wherein, the nanoscale graphite alkene and tetrahydrofuran
Weight ratio be 1-3:800-900.
A kind of preparation technology of above-mentioned aluminium base graphene composite material, wherein, the initial dispersion and polyvinyl pyrrole
The weight ratio of alkanone is 1000:20-35.
Compared with the prior art, beneficial effects of the present invention are embodied in:Especially using the Graphene point obtained by repeatedly dispersion
Dispersion liquid prepares graphite ene coatings, and tetrahydrofuran carries out two for graphene dispersion excellent using polyvinylpyrrolidone
Secondary ultrasonic wave, is conducive to improving the stability of final graphite ene coatings, while graphite ene coatings are improved for the tack of aluminium foil,
And by the effect of graphite ene coatings, greatly improve heat conduction, the heat dispersion of aluminium foil.Improve using effect.
Composite conducting agent prescription, the combined conductive agent being mixed to prepare by special ratios by various conductive agents are adopted simultaneously
Only needing to extremely low addition can just reach high conductivity, with fabulous conductive effect.Suitable for multiple battery electric capacity neck
The application in domain, can significantly expand use range.
Specific embodiment
Below the invention will be further described.
Embodiment 1
A kind of aluminium base graphene composite material, preparation method is as follows:
A, prepare graphene dispersing solution.By nanoscale(10nm)Graphene is added in tetrahydrofuran, nanoscale graphite alkene and four
The weight ratio of hydrogen furans is 1:800, first time ultrasonic oscillation is then carried out, the concussion time is 1H, and ultrasonic frequency is
40kHZ, obtains initial dispersion;Polyvinylpyrrolidone, initial dispersion and polyvinylpyrrolidine will be added in initial dispersion
The weight ratio of ketone is 50:1, then second ultrasonic oscillation is carried out, the concussion time is 1.5H, and ultrasonic frequency is 40kHZ, obtains stone
Black alkene dispersion liquid.
B, combined conductive agent is prepared, by acetylene carbon black, Super P, Ketjen black with 3:7:8 part by weight mixing, mixing
Combined conductive agent is obtained after uniform.
C, count by weight, 10 parts of graphene dispersing solutions are added in 150 parts of focus ratios, carry out mixing and stir
Mix, incorporation time is 3H, after being well mixed, stand 1H, add 1 part of combined conductive agent, mixed, during mixing
Between be 1H, mixing terminate after Graphene coating solution.
D, Graphene coating solution is uniformly coated on aluminium foil, Graphene coating layer thickness is 120nm.
F, coated aluminium foil is carried out baking and curing, hardening time is 5s, and solidification temperature is:280 DEG C, in tunnel machine
Dried, finished product is obtained after drying.
Embodiment 2
A kind of aluminium base graphene composite material, preparation method is as follows:
A, prepare graphene dispersing solution.By nanoscale(30nm)Graphene is added in tetrahydrofuran, nanoscale graphite alkene and four
The weight ratio of hydrogen furans is 1:300, first time ultrasonic oscillation is then carried out, the concussion time is 3H, and ultrasonic frequency is
60kHZ, obtains initial dispersion;Polyvinylpyrrolidone, initial dispersion and polyvinylpyrrolidine will be added in initial dispersion
The weight ratio of ketone is 200:7, then second ultrasonic oscillation is carried out, the concussion time is 2H, and ultrasonic frequency is 60kHZ, obtains stone
Black alkene dispersion liquid.
B, combined conductive agent is prepared, by acetylene carbon black, Super P, Ketjen black with 3:7:8 part by weight mixing, mixing
Combined conductive agent is obtained after uniform.
C, count by weight, 80 parts of graphene dispersing solutions are added in 375 parts of focus ratios, carry out mixing and stir
Mix, incorporation time is 5H, after being well mixed, stand 3H, add 5 parts of combined conductive agents, mixed, during mixing
Between be 2H, mixing terminate after Graphene coating solution.
D, Graphene coating solution is uniformly coated on aluminium foil, Graphene coating layer thickness is 380nm.
F, coated aluminium foil is carried out baking and curing, hardening time is 10s, and solidification temperature is:330 DEG C, in tunnel machine
In dried, after drying finished product.
Embodiment 3
A kind of aluminium base graphene composite material, preparation method is as follows:
A, prepare graphene dispersing solution.By nanoscale(20nm)Graphene is added in tetrahydrofuran, nanoscale graphite alkene and four
The weight ratio of hydrogen furans is 1:425, first time ultrasonic oscillation is then carried out, the concussion time is 2H, and ultrasonic frequency is
50kHZ, obtains initial dispersion;Polyvinylpyrrolidone, initial dispersion and polyvinylpyrrolidine will be added in initial dispersion
The weight ratio of ketone is 100:3, then second ultrasonic oscillation is carried out, the concussion time is 1.7H, and ultrasonic frequency is 50kHZ, is obtained
Graphene dispersing solution.
B, combined conductive agent is prepared, by acetylene carbon black, Super P, Ketjen black with 3:7:8 part by weight mixing, mixing
Combined conductive agent is obtained after uniform.
C, count by weight, 60 parts of graphene dispersing solutions are added in 260 parts of focus ratios, carry out mixing and stir
Mix, incorporation time is 4H, after being well mixed, stand 2H, add 3 parts of combined conductive agents, mixed, during mixing
Between be 1.5H, mixing terminate after Graphene coating solution.
D, Graphene coating solution is uniformly coated on aluminium foil, Graphene coating layer thickness is 250nm.
F, coated aluminium foil is carried out baking and curing, hardening time is 7s, and solidification temperature is:295 DEG C, in tunnel machine
Dried, finished product is obtained after drying.
Compared with the prior art, beneficial effects of the present invention are embodied in:Especially using the Graphene point obtained by repeatedly dispersion
Dispersion liquid prepares graphite ene coatings, and tetrahydrofuran carries out two for graphene dispersion excellent using polyvinylpyrrolidone
Secondary ultrasonic wave, is conducive to improving the stability of final graphite ene coatings, while graphite ene coatings are improved for the tack of aluminium foil,
And by the effect of graphite ene coatings, greatly improve heat conduction, the heat dispersion of aluminium foil.Improve using effect.
Composite conducting agent prescription, the combined conductive agent being mixed to prepare by special ratios by various conductive agents are adopted simultaneously
Only needing to extremely low addition can just reach high conductivity, with fabulous conductive effect.Suitable for multiple battery electric capacity neck
The application in domain, can significantly expand use range.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (5)
1. a kind of preparation technology of aluminium base graphene composite material, it is characterised in that preparation method is as follows:
A, prepare graphene dispersing solution;Nanoscale graphite alkene is added in tetrahydrofuran, first time ultrasonic wave shake is then carried out
Swing, the concussion time is 1-3H, ultrasonic frequency is 40~60kHZ, obtains initial dispersion;Polyethylene will be added in initial dispersion
Pyrrolidones, then second ultrasonic oscillation is carried out, the concussion time is 1.5-2H, and ultrasonic frequency is 40~60kHZ, obtains graphite
Alkene dispersion liquid;
B, prepare combined conductive agent;By acetylene carbon black, Super P, Ketjen black mixing, combined conductive agent is obtained after being well mixed;
C, count by weight, 10-80 part graphene dispersing solutions are added in 150-375 part focus ratios, mixed
Stirring, incorporation time is 3-5H, after being well mixed, stands 1-3H, adds 1-5 part combined conductive agents, is mixed, and is mixed
Conjunction mixing time is 1-2H, and mixing obtains Graphene coating solution after terminating;
D, Graphene coating solution is uniformly coated on aluminium foil, Graphene coating layer thickness is 120-380nm;
F, coated aluminium foil is carried out into baking and curing;Hardening time is 5-10s, and solidification temperature is:280~330 DEG C, in tunnel
Dried in machine, finished product is obtained after drying.
2. a kind of preparation technology of aluminium base graphene composite material according to claim 1, it is characterised in that composite conducting
Agent is acetylene carbon black, Super P, Ketjen black with 3:7:Mixture obtained by 8 part by weight mixing.
3. a kind of preparation technology of aluminium base graphene composite material according to claim 1, it is characterised in that the nanometer
Level Graphene is the Graphene that size is 10-30nm.
4. a kind of preparation technology of aluminium base graphene composite material according to claim 1, it is characterised in that the nanometer
Level Graphene is 1-3 with the weight ratio of tetrahydrofuran:800-900.
5. a kind of preparation technology of aluminium base graphene composite material according to claim 1, it is characterised in that the primary
Dispersion liquid is 1000 with the weight ratio of polyvinylpyrrolidone:20-35.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108179326A (en) * | 2018-01-30 | 2018-06-19 | 内蒙古工业大学 | It is a kind of using hair engaging aperture made with aluminum foil for the method for graphene aluminum matrix composite |
CN114571367A (en) * | 2022-03-16 | 2022-06-03 | 宁波市金象厨具有限公司 | Enamel double-bottom pot and preparation method thereof |
Citations (2)
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CN104993137A (en) * | 2015-04-24 | 2015-10-21 | 深圳市德方纳米科技股份有限公司 | Graphene conductive solution, and preparation method and application thereof |
CN105958079A (en) * | 2016-05-26 | 2016-09-21 | 宁波维科电池股份有限公司 | Graphene composite coating layer aluminum foil and lithium ion battery applying same |
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2016
- 2016-12-19 CN CN201611178648.3A patent/CN106607323A/en active Pending
Patent Citations (2)
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CN104993137A (en) * | 2015-04-24 | 2015-10-21 | 深圳市德方纳米科技股份有限公司 | Graphene conductive solution, and preparation method and application thereof |
CN105958079A (en) * | 2016-05-26 | 2016-09-21 | 宁波维科电池股份有限公司 | Graphene composite coating layer aluminum foil and lithium ion battery applying same |
Non-Patent Citations (1)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108179326A (en) * | 2018-01-30 | 2018-06-19 | 内蒙古工业大学 | It is a kind of using hair engaging aperture made with aluminum foil for the method for graphene aluminum matrix composite |
CN114571367A (en) * | 2022-03-16 | 2022-06-03 | 宁波市金象厨具有限公司 | Enamel double-bottom pot and preparation method thereof |
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