CN110126388A - The production method of graphene oxide heat superconducting aluminum-based copper-clad plate - Google Patents
The production method of graphene oxide heat superconducting aluminum-based copper-clad plate Download PDFInfo
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- CN110126388A CN110126388A CN201910579474.9A CN201910579474A CN110126388A CN 110126388 A CN110126388 A CN 110126388A CN 201910579474 A CN201910579474 A CN 201910579474A CN 110126388 A CN110126388 A CN 110126388A
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Abstract
The production method of this graphene oxide heat superconducting aluminum-based copper-clad plate is metal substrate field.Graphene oxide is isolated with high-speed shearing machine after 10-50 parts of 100 parts of graphite powder, 10-50 parts of the concentrated sulfuric acid, potassium permanganate ultrasonic oscillation stirrings；100 parts of 50-150 parts of graphene oxide and epoxy resin, 10 parts of polyvinyl butyral, 2 parts of dicyandiamide, 100 parts of acetone, 10-50 parts of aluminium oxide be mixed superconduction thermal medium glue be made；Superconduction thermal medium glue is coated on above aluminum substrate and below copper foil layer, it is coated with above the aluminum substrate of superconduction thermal medium glue that graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product are made within 5-15 minutes with the 160-170 DEG C of drying that fit together below copper foil layer, graphene oxide heat superconducting aluminum-based copper-clad plate finished product was made by semi-finished product hot pressing two hours at 170-180 DEG C, 2-4MPa.Bearing substrate for lamps and lanterns.Structure letter, effect are good, at low cost.
Description
Technical field
The production method of graphene oxide heat superconducting aluminum-based copper-clad plate of the present invention, is related to metal substrate technical field.
Background technique
Currently, the aluminum-based copper-clad plate product of existing well-known technique and status, covers copper in aluminium base since LED lamp bead is surface mounted
The heat dissipation of plate surface, LED light will be dispersed by aluminum-based copper-clad plate, but since the dielectric layer thermal coefficient of aluminum-based copper-clad plate is lower than
0.5w/m*k, thus LED lamp bead easy burn-out, service life are short, and cannot use large-power LED light bead.Existing high thermal conductivity aluminum matrix
(and Metal Substrate) copper-clad plate thermal coefficient is generally less than 10w/m*k, cannot satisfy the use demand.For 10w/m*k to 50w/m*k
Thermally conductive demand, typically ceramic base copper-clad plate, but ceramic base copper-clad plate is generally made into this height, processing difficulties, is difficult to give birth to
The big copper-clad plate product of output area, can not meet demand.Due to material and production method etc., has well-known technique and show
There is heat resistance, thermal conductivity, proof voltage and flexible poor deficiency, defect and drawbacks for shape.Profession based on inventor
Knowledge and working experience abundant and to the excelsior unremitting pursuit of cause, conscientious and abundant investigation, understand, analysis,
On the basis of summarizing, studying existing well-known technique and status, spy takes " nonconducting superconduction thermal medium is arranged " key technology, develops
" production method of graphene oxide heat superconducting aluminum-based copper-clad plate " and " graphene oxide heat superconducting aluminum-based copper-clad plate " is succeeded newly
Product, product of the present invention graphene oxide heat superconducting aluminium base (Metal Substrate) copper-clad plate thermal coefficient reach 50w/m*k to 100w/m*
K solves the demand that super high power such as automobile, train, steamer, city large size illuminate, solves existing well-known technique and status
Existing insufficient, defect and drawback.
Summary of the invention
The present invention takes " nonconducting superconduction thermal medium is arranged " key technology, provides " graphene oxide heat superconducting aluminium
The production method of base copper-clad plate " and " graphene oxide heat superconducting aluminum-based copper-clad plate " new product, 100 parts of graphite powder of the invention,
Graphene oxide is isolated with high-speed shearing machine after 10-50 parts of 10-50 parts of the concentrated sulfuric acid, potassium permanganate ultrasonic oscillation stirrings；Oxygen
50-150 parts of graphite alkene and 100 parts of epoxy resin, 10 parts of polyvinyl butyral, 2 parts of dicyandiamide, 100 parts of acetone, aluminium oxide
10-50 parts are mixed superconduction thermal medium glue are made；Superconduction thermal medium glue is coated on above aluminum substrate and copper foil layer is in the following, will coating
Have and oxidation is made within 5-15 minutes with the 160-170 DEG C of drying that fit together below copper foil layer above the aluminum substrate of superconduction thermal medium glue
Oxidation stone is made in hot pressing two hours at 170-180 DEG C, 2-4MPa in semi-finished product by graphene heat superconducting aluminum-based copper-clad plate semi-finished product
Black alkene heat superconducting aluminum-based copper-clad plate finished product.
The purpose reached through the invention is: 1., taking " nonconducting superconduction thermal medium is arranged " key technology, provides
" production method of graphene oxide heat superconducting aluminum-based copper-clad plate " and " graphene oxide heat superconducting aluminum-based copper-clad plate " new product.
2., the present invention be provided with the soft aluminum substrate of nature, to obtain the flexible strong beneficial effect of product.3., this hair
It is bright to be provided with nonconducting superconducting thermal medium layer, to obtain product with non-conductive, high heat resistance, high thermal conductivity, high proof voltage
Beneficial effect.4., the present invention be provided with copper foil layer, thus obtain product have high ductibility beneficial effect.5., this hair
Bright design is scientific and reasonable, simple and ingenious structure, method is simple, effect stability is reliable, is conducive to wide popularization and application.
6., the present invention solve deficiency existing for existing well-known technique and status, defect and drawback.
To achieve the above object, technical solution provided by the invention are as follows:
A kind of graphene oxide heat superconducting aluminum-based copper-clad plate is made of aluminum substrate, nonconducting superconducting thermal medium layer, copper foil layer；
The graphene oxide heat superconducting aluminum-based copper-clad plate, aluminum substrate, nonconducting superconducting thermal medium layer, copper foil layer are with successively
The mode being hot bonding is placed to be connected.
The high proof voltage pliability aluminum-based copper-clad plate of the high heat resistance high thermal conductivity, the aluminum substrate is plate structure, described
Nonconducting superconducting thermal medium layer membrane structure, the copper foil layer are laminated structure.
The high proof voltage pliability aluminum-based copper-clad plate of the high heat resistance high thermal conductivity, the aluminum substrate selection replace with copper-based
One of plate, iron substrate, ceramic substrate.
A kind of production method of graphene oxide heat superconducting aluminum-based copper-clad plate:
1., the preparation of graphene oxide: by 100 parts by weight of graphite powder of purity 99.9%, the concentrated sulfuric acid 10-50 weight of purity 99%
Part, the potassium permanganate 10-50 parts by weight of purity 50-90% put together and are separated after ultrasonic oscillation stirs with high-speed shearing machine
Graphene oxide is spare out；
2., the preparation of superconduction thermal medium glue: 100 weight of the graphene oxide 50-150 parts by weight and epoxy resin that will 1. prepare
Measure part, 10 parts by weight of polyvinyl butyral as softening agent, 2 parts by weight of dicyandiamide as curing agent, as the third of solvent
100 parts by weight of ketone are uniformly mixed as the aluminium oxide 10-50 parts by weight of heat filling, and it is standby to be prepared into superconduction thermal medium glue
With；
3., to aluminum substrate processing: will be dried after the cleaning of the aluminium sheet of nature and electrochemical treatments, it is spare as aluminum substrate；
4., prepare copper foil layer: use high ductibility copper foil spare as copper foil layer；
5., production graphene oxide heat superconducting aluminum-based copper-clad plate: the superconduction thermal medium glue is coated on the upper of the aluminum substrate
The superconduction thermal medium glue is coated below the copper foil layer by face, is coated with above the aluminum substrate of superconduction thermal medium glue
Be coated with superconduction thermal medium glue copper foil layer below fit together after dry 5-15 minutes at a temperature of 160-170 DEG C, make
At graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product, the graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product are existed
Graphene oxide heat superconducting aluminum-based copper-clad plate finished product is made in hot pressing two hours under 170-180 DEG C of temperature, 2-4MPa pressure condition.
The production method of the graphene oxide heat superconducting aluminum-based copper-clad plate, the aluminium for being coated with superconduction thermal medium glue
After thereon and being coated with fits together below the copper foil layer of superconduction thermal medium glue, the superconduction that is coated on above aluminum substrate
Thermal medium glue and the superconduction thermal medium glue being coated below copper foil layer collectively form nonconducting superconducting thermal medium layer.
The working principle of the invention and the course of work are: the present invention takes " nonconducting superconduction thermal medium is arranged " crucial skill
Art provides " production method of graphene oxide heat superconducting aluminum-based copper-clad plate " and " graphene oxide heat superconducting aluminum-based copper-clad plate "
New product.The present invention as shown in Figure of description 1,2, aluminum substrate of the invention, nonconducting superconducting thermal medium layer, copper foil layer with
The mode being hot bonding is sequentially placed to be connected；10-50 parts of 100 parts of its graphite powder, 10-50 parts of the concentrated sulfuric acid, potassium permanganate ultrasounds
Graphene oxide is isolated with high-speed shearing machine after wave concussion stirring；100 parts of 50-150 parts of graphene oxide and epoxy resin gather
10 parts of butyral, 2 parts of dicyandiamide, 100 parts of acetone, 10-50 parts of aluminium oxide be mixed superconduction thermal medium glue be made；By heat superconducting
Medium glue be coated on above aluminum substrate and copper foil layer in the following, be coated with above the aluminum substrate of superconduction thermal medium glue under copper foil layer
Face paste is combined 160-170 DEG C of drying and is made within 5-15 minutes graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product, will half at
Graphene oxide heat superconducting aluminum-based copper-clad plate finished product is made within product hot pressing two hours at 170-180 DEG C, 2-4MPa.Conduct of the present invention
Bearing substrate uses, and is applied especially to the bearing substrate of lamps and lanterns, with design is scientific and reasonable, simple and ingenious structure, method are easy
Easy, product has the characteristics that non-conductive, high heat resistance, high thermal conductivity, high proof voltage, pliability is strong, effect stability is reliable.
Due to using technical solution provided by the present invention；" nonconducting heat superconducting is arranged to be situated between since the present invention takes
Matter " key technology；As described in the working principle of the invention and the course of work；Due to 100 parts of graphite powder of the invention, the concentrated sulfuric acid
10-50 parts, with high-speed shearing machine isolate graphene oxide after potassium permanganate 10-50 parts of ultrasonic oscillations stirring；Graphite oxide
50-150 parts of alkene and 100 parts of epoxy resin, 10 parts of polyvinyl butyral, 2 parts of dicyandiamide, 100 parts of acetone, 10-50 parts of aluminium oxide
It is mixed and superconduction thermal medium glue is made；Superconduction thermal medium glue is coated on above aluminum substrate and copper foil layer is in the following, be coated with superconduction
Graphene oxide is made within 5-15 minutes with the 160-170 DEG C of drying that fit together below copper foil layer above the aluminum substrate of thermal medium glue
Heat superconducting aluminum-based copper-clad plate semi-finished product were made graphene oxide for semi-finished product hot pressing two hours at 170-180 DEG C, 2-4MPa and surpass
Thermal conductivity aluminum matrix copper-clad plate finished product.So that the present invention, compared with existing well-known technique and status, the beneficial effect of acquisition is:
1, this invention takes " nonconducting superconduction thermal medium is arranged " key technology, " graphene oxide heat superconducting aluminium is provided
The production method of base copper-clad plate " and " graphene oxide heat superconducting aluminum-based copper-clad plate " new product.
2, the present invention is provided with the soft aluminum substrate of nature, to obtain the flexible strong beneficial effect of product.
3, the present invention is provided with nonconducting superconducting thermal medium layer, to obtain product with non-conductive, high heat resistance, height
The beneficial effect of thermally conductive, high proof voltage.
4, the present invention is provided with copper foil layer, to obtain the beneficial effect that product has high ductibility.
5, aluminum substrate of the invention selection replaces with one of copper base, iron substrate, ceramic substrate, to be produced
The beneficial effect of product diversity and series of products.
6, of the invention design is scientific and reasonable, simple and ingenious structure, method is simple, effect stability is reliable, is conducive to
Wide popularization and application.
7, the present invention solves deficiency existing for existing well-known technique and status, defect and drawback.
Detailed description of the invention
Fig. 1 is the section signal of " graphene oxide heat superconducting aluminum-based copper-clad plate " new product in the specific embodiment of the invention
Figure.
Fig. 2 is the window frame of " production method of graphene oxide heat superconducting aluminum-based copper-clad plate " in the specific embodiment of the invention
Schematic diagram.
Label in figure: 1, aluminum substrate, 2, nonconducting superconducting thermal medium layer, 3, copper foil layer.
Specific embodiment
Specific embodiment one
With reference to the accompanying drawings of the specification, " graphene oxide heat superconducting aluminum-based copper-clad plate " new product work in the present invention is retouched in detail
It states.As shown in Figure of description 1:
A kind of graphene oxide heat superconducting aluminum-based copper-clad plate, by aluminum substrate 1, nonconducting superconducting thermal medium layer 2,3 structure of copper foil layer
At；
The graphene oxide heat superconducting aluminum-based copper-clad plate, aluminum substrate 1, nonconducting superconducting thermal medium layer 2, copper foil layer 3 with
The mode being hot bonding is sequentially placed to be connected.
The high proof voltage pliability aluminum-based copper-clad plate of the high heat resistance high thermal conductivity, the aluminum substrate 1 is plate structure, described
Nonconducting 2 membrane structure of superconducting thermal medium layer, the copper foil layer 3 are laminated structure.
The high proof voltage pliability aluminum-based copper-clad plate of the high heat resistance high thermal conductivity, the selection of aluminum substrate 1 replace with copper-based
One of plate 1, iron substrate 1, ceramic substrate 1.
Specific embodiment two
With reference to the accompanying drawings of the specification, " production method of graphene oxide heat superconducting aluminum-based copper-clad plate " in the present invention is made detailed
Description.As shown in Figure of description 2:
A kind of production method of graphene oxide heat superconducting aluminum-based copper-clad plate:
1., the preparation of graphene oxide: by 100 parts by weight of graphite powder of purity 99.9%, the concentrated sulfuric acid 10-50 weight of purity 99%
Part, the potassium permanganate 10-50 parts by weight of purity 50-90% put together and are separated after ultrasonic oscillation stirs with high-speed shearing machine
Graphene oxide is spare out；
2., the preparation of superconduction thermal medium glue: 100 weight of the graphene oxide 50-150 parts by weight and epoxy resin that will 1. prepare
Measure part, 10 parts by weight of polyvinyl butyral as softening agent, 2 parts by weight of dicyandiamide as curing agent, as the third of solvent
100 parts by weight of ketone are uniformly mixed as the aluminium oxide 10-50 parts by weight of heat filling, and it is standby to be prepared into superconduction thermal medium glue
With；
3., to aluminum substrate processing: will be dried after the cleaning of the aluminium sheet of nature and electrochemical treatments, it is spare as aluminum substrate 1；
4., prepare copper foil layer: use high ductibility copper foil spare as copper foil layer 3；
5., production graphene oxide heat superconducting aluminum-based copper-clad plate: the superconduction thermal medium glue is coated on the upper of the aluminum substrate 1
The superconduction thermal medium glue is coated below the copper foil layer 3 by face, is coated on the aluminum substrate 1 of superconduction thermal medium glue
Face is dried 5-15 minutes at a temperature of 160-170 DEG C after fitting together below with the copper foil layer 3 for being coated with superconduction thermal medium glue,
Graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product are made, the graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product are existed
Graphene oxide heat superconducting aluminum-based copper-clad plate finished product is made in hot pressing two hours under 170-180 DEG C of temperature, 2-4MPa pressure condition.
The production method of the graphene oxide heat superconducting aluminum-based copper-clad plate, the aluminium for being coated with superconduction thermal medium glue
After substrate 1 fits together with the copper foil layer 3 for being coated with superconduction thermal medium glue below above, it is coated on above aluminum substrate 1
Superconduction thermal medium glue and the superconduction thermal medium glue being coated below copper foil layer 3 collectively form nonconducting superconducting thermal medium layer 2.
In above-mentioned specific implementation process: having carried out reality respectively to the concentrated sulfuric acid with 10,20,30,40,50 parts by weight
It applies；The purity of the potassium permanganate is carried out respectively with 50,60,70,80,90%, to the potassium permanganate respectively with
10,20,30,40,50 parts by weight are carried out；To the graphene oxide respectively with 50,60,70,80,90,100,110,
120,130,140,150 parts by weight are carried out；To 10,20,30,40,50 weight of aluminium oxide as heat filling
Part is carried out；To the aluminum substrate 1 for being coated with superconduction thermal medium glue above be coated with the copper of superconduction thermal medium glue
Layers of foil 3 is respectively dried 5 after fitting together below at a temperature of 160,162,164,166,168,170 DEG C respectively, 6,7,8,9,
10, it is carried out within 11,12,13,14,15 minutes；Exist respectively to the graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product
170, it is carried out at a temperature of 172,173,174,175,176,177,178,179,180 DEG C, it is super to the graphene oxide
Thermal conductivity aluminum matrix copper-clad plate semi-finished product were carried out respectively with hot pressing two hours under 2,3,4MPa pressure condition；Obtain expection
Good result.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the present invention in any form；All industry skills
Art personnel smooth can implement；It but is this hair in the equivalent variations for not departing from technical solution of the present invention and making modification and differentiation
Bright technical solution.
Claims (5)
1. a kind of graphene oxide heat superconducting aluminum-based copper-clad plate, it is characterised in that: be situated between by aluminum substrate (1), nonconducting heat superconducting
Matter layer (2), copper foil layer (3) are constituted；
The graphene oxide heat superconducting aluminum-based copper-clad plate, aluminum substrate (1), nonconducting superconducting thermal medium layer (2), copper foil layer
(3) it is connected in a manner of being sequentially placed and being hot bonding.
2. the high proof voltage pliability aluminum-based copper-clad plate of high heat resistance high thermal conductivity according to claim 1, it is characterised in that: described
Aluminum substrate (1) is plate structure, and nonconducting superconducting thermal medium layer (2) membrane structure, the copper foil layer (3) is sheet knot
Structure.
3. the high proof voltage pliability aluminum-based copper-clad plate of high heat resistance high thermal conductivity according to claim 1, it is characterised in that: described
Aluminum substrate (1) selection replaces with one of copper base (1), iron substrate (1), ceramic substrate (1).
4. a kind of production method of graphene oxide heat superconducting aluminum-based copper-clad plate, it is characterised in that:
1., the preparation of graphene oxide: by 100 parts by weight of graphite powder of purity 99.9%, the concentrated sulfuric acid 10-50 weight of purity 99%
Part, the potassium permanganate 10-50 parts by weight of purity 50-90% put together and are separated after ultrasonic oscillation stirs with high-speed shearing machine
Graphene oxide is spare out；
2., the preparation of superconduction thermal medium glue: 100 weight of the graphene oxide 50-150 parts by weight and epoxy resin that will 1. prepare
Measure part, 10 parts by weight of polyvinyl butyral as softening agent, 2 parts by weight of dicyandiamide as curing agent, as the third of solvent
100 parts by weight of ketone are uniformly mixed as the aluminium oxide 10-50 parts by weight of heat filling, and it is standby to be prepared into superconduction thermal medium glue
With；
3., to aluminum substrate processing: will be dried after the cleaning of the aluminium sheet of nature and electrochemical treatments, it is spare as aluminum substrate (1)；
4., prepare copper foil layer: use high ductibility copper foil spare as copper foil layer (3)；
5., production graphene oxide heat superconducting aluminum-based copper-clad plate: the superconduction thermal medium glue is coated on the aluminum substrate (1)
Above, the superconduction thermal medium glue is coated below the copper foil layer (3), is coated with the aluminum substrate of superconduction thermal medium glue
(1) 5- is dried at a temperature of 160-170 DEG C after fitting together below with the copper foil layer (3) for being coated with superconduction thermal medium glue above
15 minutes, graphene oxide heat superconducting aluminum-based copper-clad plate semi-finished product are made, by the graphene oxide heat superconducting aluminum-based copper-clad plate
Semi-finished product under 170-180 DEG C of temperature, 2-4MPa pressure condition hot pressing two hours, graphene oxide heat superconducting aluminium base be made cover copper
Board finished product.
5. the production method of graphene oxide heat superconducting aluminum-based copper-clad plate according to claim 4, it is characterised in that: described
The aluminum substrate (1) for being coated with superconduction thermal medium glue is fitted in one with the copper foil layer (3) for being coated with superconduction thermal medium glue above below
After rising, it is coated on the superconduction thermal medium glue of aluminum substrate (1) above and is total to the superconduction thermal medium glue of copper foil layer (3) below is coated on
With the nonconducting superconducting thermal medium layer (2) of composition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579474.9A CN110126388A (en) | 2019-06-28 | 2019-06-28 | The production method of graphene oxide heat superconducting aluminum-based copper-clad plate |
Applications Claiming Priority (1)
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| CN110699617A (en) * | 2019-10-31 | 2020-01-17 | 成都工业学院 | Preparation method of graphene and aluminum oxide whisker co-reinforced copper-based composite material and product thereof |
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