CN114958239A - Composite forming method and formula of radiating fin - Google Patents
Composite forming method and formula of radiating fin Download PDFInfo
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- CN114958239A CN114958239A CN202210740617.1A CN202210740617A CN114958239A CN 114958239 A CN114958239 A CN 114958239A CN 202210740617 A CN202210740617 A CN 202210740617A CN 114958239 A CN114958239 A CN 114958239A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 83
- 230000001681 protective effect Effects 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000000843 powder Substances 0.000 claims abstract description 37
- 239000003292 glue Substances 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 23
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000002313 adhesive film Substances 0.000 claims abstract description 9
- 238000013329 compounding Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 4
- 238000009472 formulation Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000008901 benefit Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2429/00—Presence of polyvinyl alcohol
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention provides a composite forming method and a formula of a radiating fin, which comprises the steps of grinding and crushing solid graphene by corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by corresponding storage equipment; stirring the matched glue, auxiliary materials and corresponding solvents, and mixing the multiple groups of materials by adopting corresponding stirring equipment; extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment; extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool; the method comprises the following steps of placing a substrate prepared in advance in a coating machine, coating a treated graphene primary film on a protective film, heating to 80 ℃, and compounding to form a graphene heat dissipation film, wherein the difference from the market lies in that: the heat radiating fin is not sticky, non-conductive and free of powder falling, only has one layer, is simple and durable, saves materials and improves efficiency.
Description
Technical Field
The invention relates to the field of radiating fins, in particular to a composite forming method and a formula of a radiating fin.
Background
The cooling fin can be applied to 3C electron, household electrical appliances, pen and electricity cell-phone, security protection, aerospace and other some original components that generate heat and use.
The novel radiating fin has the advantages that the cost can be greatly reduced under the condition of ensuring stable radiating, the novel radiating fin has the cost advantage of 20% -30% compared with the conventional radiating fin and is environment-friendly in the production process, no gas is discharged in the production process, no wastewater exists, a lot of benefits are automatically completed, the principle of the novel radiating fin is that firstly, the specification of an aluminum material or other metal materials are determined, a die is opened according to the use size, and then a graphene radiating film which is researched and developed by oneself is compounded on the aluminum material or the metal materials.
Therefore, it is necessary to provide a method and a formula for composite forming of a heat sink to solve the above-mentioned technical problems.
Disclosure of Invention
The invention provides a composite forming method and a formula of a radiating fin.
In order to solve the technical problem, the invention provides a composite forming method of a radiating fin, which comprises the following steps:
s1, preparing slurry: grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment;
s2, mixing: stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould;
s3, disposing a protective film: extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment;
s4, configuring a release film: extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool;
s5, composite molding treatment: and (3) placing the prepared substrate in a coating machine, coating the treated graphene primary film on a protective film, heating to 80 ℃, and compounding to obtain the graphene heat dissipation film.
Preferably, the internal rotation speed of the grinding equipment is set to be 200-350r/min, and the diameter of the graphene powder is controlled within the range of 2-3 mm.
Preferably, the glue comprises the internal components of water, polyvinyl alcohol, white latex and glue sodium stearate, and the ratio of the components of the water, the polyvinyl alcohol, the white latex and the glue sodium stearate is 1: 2: 1.5: 3.
preferably, the step S3 is performed for 3-6min, and the temperature of the drying equipment is controlled at 50-70 ℃.
Preferably, in step S5, the substrate is composed of an aluminum alloy, a copper material, stainless steel, and a magnesium alloy, and the ratio of the internal components of the aluminum alloy, the copper material, the stainless steel, and the magnesium alloy is: 1: 3: 1.2: 4.
preferably, the formula matched with the heat radiating fin composite forming method is that the graphene heat radiating film is composed of graphene powder, glue, auxiliary materials, a PE protective film and a release film, and the weight components of each formula are as follows: 40-55 parts of graphene powder, 3-6 parts of glue, 2-6 parts of auxiliary materials, 5-10 parts of PE protective film and 5-10 parts of release film.
Preferably, it is as described.
Compared with the related technology, the composite forming method and the formula of the radiating fin provided by the invention have the following beneficial effects:
the invention provides a composite forming method and a formula of a radiating fin, which comprises the steps of grinding and crushing solid graphene by corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by corresponding storage equipment; stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould; extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment; extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool; the method comprises the following steps of placing a substrate prepared in advance in a coating machine, coating a treated graphene primary film on a protective film, heating to 80 ℃, and compounding to form a graphene heat dissipation film, wherein the difference from the market lies in that: the heat radiating fin is not sticky, non-conductive and free of powder falling, only has one layer, is simple and durable, saves materials and improves efficiency.
Drawings
Fig. 1 is a schematic flow chart of a method of a preferred embodiment of a composite forming method and a formula of a heat sink according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, wherein fig. 1 is a schematic method flow chart.
Example one
The composite forming method of the radiating fin comprises the following steps:
s1, preparing slurry: grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment;
s2, mixing: stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould;
s3, disposing a protective film: extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment;
s4, configuring a release film: extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool;
s5, composite molding treatment: and (3) placing the prepared substrate in a coating machine, coating the treated graphene primary film on a protective film, heating to 80 ℃, and compounding to obtain the graphene heat dissipation film.
The internal rotating speed of the grinding equipment is set at 200r/min, and the diameter of the graphene powder is controlled within a range of 2 mm.
The glue comprises the following internal components of water, polyvinyl alcohol, white latex and glue sodium stearate in a ratio of 1: 2: 1.5: 3.
and standing for 3min in the step S3, and controlling the temperature of the drying equipment at 50 ℃.
In the step S5, the substrate is composed of aluminum alloy, copper material, stainless steel and magnesium alloy, and the ratio of the internal components of the aluminum alloy, the copper material, the stainless steel and the magnesium alloy is as follows: 1: 3: 1.2: 4.
the graphene heat dissipation film consists of graphene powder, glue, auxiliary materials, a PE protection film and a release film, and the weight components of the formulas are as follows: 40 parts of graphene powder, 3 parts of glue, 2 parts of auxiliary materials, 5 parts of PE protective film and 5 parts of release film.
Example two
The composite forming method of the radiating fin comprises the following steps:
s1, preparing slurry: grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment;
s2, mixing material: stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould;
s3, disposing a protective film: extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment;
s4, configuring a release film: extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool;
s5, composite molding treatment: and (3) placing the prepared substrate in a coating machine, coating the treated graphene primary film on a protective film, heating to 80 ℃, and compounding to obtain the graphene heat dissipation film.
The internal rotating speed of the grinding equipment is set at 270r/min, and the diameter of the graphene powder is controlled within a range of 2.5 mm.
The glue comprises the following internal components of water, polyvinyl alcohol, white latex and glue sodium stearate in a ratio of 1: 2: 1.5: 3.
and standing for 5min in the step S3, and controlling the temperature of the drying equipment at 60 ℃.
In the step S5, the substrate is composed of aluminum alloy, copper material, stainless steel and magnesium alloy, and the ratio of the internal components of the aluminum alloy, the copper material, the stainless steel and the magnesium alloy is as follows: 1: 3: 1.2: 4.
the graphene heat dissipation film consists of graphene powder, glue, auxiliary materials, a PE protection film and a release film, and the weight components of the formulas are as follows: 47 parts of graphene powder, 4.5 parts of glue, 4 parts of auxiliary materials, 7 parts of PE protective film and 7 parts of release film.
EXAMPLE III
The composite forming method of the radiating fin comprises the following steps:
s1, preparing slurry: grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment;
s2, mixing material: stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould;
s3, disposing a protective film: extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment;
s4, configuring a release film: extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool;
s5, composite molding treatment: and (3) placing the prepared substrate in a coating machine, coating the treated graphene primary film on a protective film, heating to 80 ℃, and compounding to obtain the graphene heat dissipation film.
The internal rotating speed of the grinding equipment is set to be 350r/min, and the diameter of the graphene powder is controlled within a 3mm interval.
The glue comprises the following internal components of water, polyvinyl alcohol, white latex and glue sodium stearate in a ratio of 1: 2: 1.5: 3.
and standing for 6min in the step S3, and controlling the temperature of the drying equipment at 70 ℃.
In the step S5, the substrate is composed of aluminum alloy, copper material, stainless steel and magnesium alloy, and the ratio of the internal components of the aluminum alloy, the copper material, the stainless steel and the magnesium alloy is as follows: 1: 3: 1.2: 4.
the graphene heat dissipation film consists of graphene powder, glue, auxiliary materials, a PE protection film and a release film, and the weight components of the formulas are as follows: 55 parts of graphene powder, 6 parts of glue, 6 parts of auxiliary materials, 10 parts of PE protective film and 10 parts of release film.
The working principle of the composite forming method and the formula of the radiating fin provided by the invention is as follows:
grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment; stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould; extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment; extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool; the method comprises the following steps of placing a substrate prepared in advance in a coating machine, coating a treated graphene primary film on a protective film, heating to 80 ℃, and compounding to form a graphene heat dissipation film, wherein the difference from the market lies in that: the heat radiating fin is not sticky, non-conductive and free of powder falling, only has one layer, is simple and durable, saves materials and improves efficiency.
Compared with the related technology, the composite forming method and the formula of the radiating fin provided by the invention have the following beneficial effects:
grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment; stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould; extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment; extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool; the method comprises the following steps of placing a substrate prepared in advance in a coating machine, coating a treated graphene primary film on a protective film, heating to 80 ℃, and compounding to form a graphene heat dissipation film, wherein the difference from the market lies in that: the heat radiating fin is not sticky, non-conductive and free of powder falling, only has one layer, is simple and durable, saves materials and improves efficiency.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A composite forming method of a radiating fin is characterized by comprising the following steps: s1, preparing slurry: grinding and crushing solid graphene by adopting corresponding grinding equipment to obtain graphene powder, and storing the graphene powder by adopting corresponding storage equipment;
s2, mixing material: stirring the matched glue, auxiliary materials and corresponding solvents, mixing multiple groups of materials by adopting corresponding stirring equipment, and generating a synthesized graphene primary film by adopting a corresponding mould;
s3, disposing a protective film: extracting an external corresponding PE protective film, placing the PE protective film in a corresponding solution, standing for a period of time, and drying the PE protective film by adopting external drying equipment;
s4, configuring a release film: extracting a release film configured outside, and placing the release film at the bottom of the graphene adhesive film by adopting an external tool;
s5, composite molding treatment: and (3) placing the prepared substrate in a coating machine, coating the treated graphene primary film on a protective film, heating to 80 ℃, and compounding to obtain the graphene heat dissipation film.
2. The composite molding method for heat dissipation fins as claimed in claim 1, wherein the internal rotation speed of the grinding device is set at 200-350r/min, and the diameter of the graphene powder is controlled within the range of 2-3 mm.
3. A composite forming method for a heat radiating fin according to claim 1, wherein the glue has internal components of water, polyvinyl alcohol, white latex and sodium stearate, and the ratio of the components of water, polyvinyl alcohol, white latex and sodium stearate is 1: 2: 1.5: 3.
4. the composite forming method of heat dissipation plate as claimed in claim 1, wherein the standing time in step S3 is 3-6min, and the temperature of the drying device is controlled at 50-70 ℃.
5. The composite forming method for a heat dissipating fin according to claim 1, wherein the substrate in the step S5 is made of aluminum alloy, copper material, stainless steel, and magnesium alloy, and the ratio of the internal components of the aluminum alloy, the copper material, the stainless steel, and the magnesium alloy is: 1: 3: 1.2: 4.
6. the formulation matched with the composite forming method of a heat sink according to any one of claims 1 to 5, wherein the graphene heat sink film is composed of graphene powder, glue, auxiliary materials, PE protective film and release film, and the weight components of each formulation are as follows: 40-55 parts of graphene powder, 3-6 parts of glue, 2-6 parts of auxiliary materials, 5-10 parts of PE protective film and 5-10 parts of release film.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180054223A (en) * | 2016-11-15 | 2018-05-24 | 후문룡 | Method for manufactureing graphene composite thermal diffusion sheet |
| CN109679536A (en) * | 2019-01-08 | 2019-04-26 | 德阳烯碳科技有限公司 | A kind of preparation method of ultra-thin graphene heat-conducting glue layer |
| CN109852274A (en) * | 2018-12-29 | 2019-06-07 | 苏州环明电子科技有限公司 | A kind of graphene conductive adhesive film and its preparation process |
| CN112188812A (en) * | 2020-10-22 | 2021-01-05 | 广东一纳科技有限公司 | Preparation method of graphene composite nano-diamond heat dissipation film |
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- 2022-06-27 CN CN202210740617.1A patent/CN114958239A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180054223A (en) * | 2016-11-15 | 2018-05-24 | 후문룡 | Method for manufactureing graphene composite thermal diffusion sheet |
| CN109852274A (en) * | 2018-12-29 | 2019-06-07 | 苏州环明电子科技有限公司 | A kind of graphene conductive adhesive film and its preparation process |
| CN109679536A (en) * | 2019-01-08 | 2019-04-26 | 德阳烯碳科技有限公司 | A kind of preparation method of ultra-thin graphene heat-conducting glue layer |
| CN112188812A (en) * | 2020-10-22 | 2021-01-05 | 广东一纳科技有限公司 | Preparation method of graphene composite nano-diamond heat dissipation film |
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Application publication date: 20220830 |