CN107216726A - The preparation method of thermal dispersant coatings and its made heat dissipation metal composite membrane - Google Patents
The preparation method of thermal dispersant coatings and its made heat dissipation metal composite membrane Download PDFInfo
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- CN107216726A CN107216726A CN201610159079.1A CN201610159079A CN107216726A CN 107216726 A CN107216726 A CN 107216726A CN 201610159079 A CN201610159079 A CN 201610159079A CN 107216726 A CN107216726 A CN 107216726A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions 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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C08K7/22—Expanded, porous or hollow particles
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- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
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- C09D133/00—Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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- C08K2003/385—Binary compounds of nitrogen with boron
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Abstract
A kind of preparation method of thermal dispersant coatings, including：One sizing material, the group that mixture selected from fluorocarbon resin, fluororesin, acrylic resin, Polyurethane, polyureas ester, unsaturated polyester (UP), epoxy resin and any two above-mentioned above materials is constituted, it is dissolved in an in the mixed solvent, the weight ratio of sizing material and mixed solvent is 0.6 to 1.4 times, and then obtains sizing material mixed liquor；One filler, selected from bamboo charcoal, carbon pipe, graphite, graphene microchip, graphene, carbon ball, carbon fiber, Danization peng, aluminium nitride, mica, silica, titanium dioxide, carborundum, zinc oxide, the group of the mixture composition of germanium oxide and any two above-mentioned above materials, by weight than adding in the mixed solvent for the filler of 0.1 to 10 times of sizing material, the weight ratio of filler and mixed solvent is 0.3 to 10 times, and obtain filler mixed liquor, sizing material mixed liquor is uniformly mixed with filler mixed liquor, thermal dispersant coatings prepared whereby, have effects that resistance tocrocking is good and high-cooling property.
Description
Technical field
The present invention is combined about the preparation method and its made heat dissipation metal of a kind of thermal dispersant coatings
Film, espespecially a kind of mixed fillers, prepared thermal dispersant coatings, with resistance tocrocking with sizing material
Good and high-cooling property.
Background technology
The radiating subassembly such as metal fin and heat pipe, radiating effect is no doubt good, but price is high
It is expensive and be not suitable for the product design lightly changed, thus have the development and application of heat radiation coating.However,
Existing heat radiation coating is solidify to form after heat dissipating layer in radiating surface, because the base-material that uses weatherability,
The resistance tocrockings such as heat resistance, lower temperature resistance and chemical proofing are not good, cause institute's shape after solidification
The thermal diffusivity of heat dissipating layer is easily because pollutant adheres to and reduces；Furthermore, existing heat radiation coating is used
Filler because not considering that powder density accumulation is theoretical, reduce contact area between filler, therefore institute can exhibition
Existing thermal diffusivity is not high.
Secondary person, smart mobile phone, tablet personal computer, notebook computer, guiding aircraft or the electronics such as portable
Device, it develops into more and more high operation frequency via double-core, four cores, eight cores ...
Process chip；And the development of electronic apparatus is with short and small frivolous for designer trends, therefore to be
High operation efficiency and short and small frivolous double requirements, the radiating efficiency benefit of electronic apparatus can be reached
Aggravating will.And the radiating mode of current electronic apparatus, mainly use simple perforate, lead
The modes such as heat, thermal convection current, but those radiating modes are with can not load now produced by high-effect chip
Heat energy, therefore the problem of have accumulated heat, heat energy can not uniformly dispersing, cause to reduce mobile electron
Radiating efficiency inside device.
Also, the chip of generally electronic equipment is operationally main heating source, radiate not only for drop
Low chip own temperature with ensure its can within the temperature range of requiring normal work, while also simultaneous
Housing hot-spot can not be caused when turning round and look at radiating, bad usage experience is caused to consumer.Therefore
The above-described problem of traditional electronic apparatus is solved, is the major subjects of the present invention.
The content of the invention
Technical problem underlying to be solved by this invention is, overcomes the above-mentioned of prior art presence to lack
Fall into, and the preparation method and its made heat dissipation metal composite membrane of a kind of thermal dispersant coatings are provided, its
Have effects that resistance tocrocking is good and high-cooling property；The coating of surface radiating effect can be improved, so as to
Solve the high temperature problem during electronic building brick running of electronic apparatus.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of preparation method of thermal dispersant coatings, including：(a) provide a sizing material, its be selected from include by：
Fluorocarbon resin, fluororesin, acrylic resin, Polyurethane, polyureas ester, unsaturated polyester (UP), epoxy
The group that the mixture of resin and any two above-mentioned above materials is constituted, is dissolved in an in the mixed solvent,
The weight ratio of the sizing material and mixed solvent is 0.6 to 1.4 times, and then obtains sizing material mixed liquor；(b) is carried
For a filler, its be selected from include by：Bamboo charcoal, carbon pipe, graphite, graphene microchip, graphene, carbon
Ball, carbon fiber, Danization peng, aluminium nitride, mica, silica, titanium dioxide, carborundum,
The group that the mixture of zinc oxide, germanium oxide and any two above-mentioned above materials is constituted, by weight
Than the weight that the filler for 0.1 to 10 times of the sizing material adds an in the mixed solvent, the filler and mixed solvent
Amount obtains filler mixed liquor than being 0.3 to 10 times；(c) sizing material that will be obtained by step (a)
Mixed liquor is filtered with the filler mixed liquor obtained by step (b)；(d) will pass through step (c)
Sizing material mixed liquor after filtering is uniformly mixed with filler mixed liquor；And (e) will pass through step
(d) heat radiation coating being uniformly mixed, to spray, be coated with, be impregnated with or be transferred in an object surface
On, it is formed the thermal dispersant coatings that a thickness is 3um to 100um after drying.
The thermal dispersant coatings made by preparation method are taken off in foundation, can be further coated on a metal level,
To constitute a heat dissipation metal composite membrane, to be installed in inside an electronic installation close to the position of thermal source
Or be installed directly on thermal source；Wherein the metal level is at least made up of one layer of conductive metal, and
Thickness is 3um-150um thin-slab structure, and the metal level has a first surface and a second surface；
And the thermal dispersant coatings can be coated on the first surface and/or second surface of the metal level；Formed with this
A piece of two layers or three layers of heat dissipation metal composite membrane.
By technical characteristic is above taken off, the thermal dispersant coatings prepared by the present invention are good with resistance tocrocking
And effect of high-cooling property.
The beneficial effects of the invention are as follows it has effects that resistance tocrocking is good and high-cooling property；It can carry
The coating of high surface radiating effect, so as to solving the height when electronic building brick of electronic apparatus is operated
Warm problem.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the process flow chart of the heat radiation coating preparation method of the present invention.
Fig. 2A is thermal dispersant coatings schematic appearance of the present invention.
Fig. 2 B are the part-structure enlarged diagrams in Fig. 2A.
Fig. 3 is two layers of heat dissipation metal composite membrane embodiment made by thermal dispersant coatings of the present invention.
Fig. 4 is the three-layer metal radiating composite membrane embodiment made by thermal dispersant coatings of the present invention.
Fig. 5 is that heat dissipation metal composite membrane of the present invention is installed in the use state of electronic installation with reference to figure
(1).
Fig. 6 is that heat dissipation metal composite membrane of the present invention is installed in the use state of electronic installation with reference to figure
(2).
The heat dissipation metal composite membrane that Fig. 7 is the present invention is installed in the use state of electronic installation with reference to figure
(3).
Fig. 8 is the temperature change for not spraying heat radiation coating aluminium flake and having been coated with heat radiation coating aluminium flake of the present invention
Change curve ratio relatively to scheme.
Fig. 9 is the electron microscope picture of thermal dispersant coatings of the present invention.
Label declaration in figure：
10 sizing material mixed liquors
20 filler mixed liquors
30 heat radiation coatings
40 thermal dispersant coatings
41 pore structures
50 metal levels
51 first surfaces
52 second surfaces
60 heat dissipation metal composite membranes
70 electronic installations
71 transparency carriers
72 LCD MODULEs
Shell support in 73
74 circuit boards
75 electronic chips
76 batteries
77 bonnets
771 accommodation spaces
Embodiment
First, refer to shown in Fig. 1, nanometer heat radiation coating preparation method of the invention, including it is following
Step：
(a) provide a sizing material, its be selected from include by：Fluorocarbon resin, fluororesin, acrylic resin,
Polyurethane, polyureas ester, unsaturated polyester (UP), the mixing of epoxy resin and any two above-mentioned above materials
The group that thing is constituted, is dissolved in an in the mixed solvent, and the weight ratio of the sizing material and mixed solvent is 0.6
To 1.4 times, and then obtain sizing material mixed liquor 10；In the present embodiment, the sizing material mixed solvent includes choosing
From：Thinner, ethyl acetate, absolute ethyl alcohol, the mixing of distilled water and any two above-mentioned above materials
The group that thing is constituted.
(b) provide a filler, its be selected from include by：Bamboo charcoal, carbon pipe, graphite, graphene microchip,
Graphene, carbon ball, carbon fiber, Danization peng, aluminium nitride, mica, silica, titanium dioxide,
The group that carborundum, zinc oxide, the mixture of germanium oxide and any two above-mentioned above materials are constituted,
By weight than adding an in the mixed solvent for the filler of 0.1 to 10 times of the sizing material, preferably be with weight
Than adding an in the mixed solvent for the filler of 0.1 to 0.6 times of the sizing material.The filler and mixed solvent
Weight ratio is 0.3 to 10 times, preferably be the weight ratio using the filler and mixed solvent as 0.3 to 0.8
Times, and then obtain filler mixed liquor 20；In the present embodiment, the filler can have pore structure or not
Have a pore structure, or will not have with pore structure and the filler of pore structure, after different proportion
Add the in the mixed solvent；But, using the filler with pore structure as preferably.As for the filler
Mixed solvent includes being selected from：Thinner, ethyl acetate, absolute ethyl alcohol, distilled water and it is above-mentioned any two
The group that the mixture of above material is constituted.
(c) filler that is obtained by the sizing material mixed liquor 10 obtained by step (a) and by step (b)
Mixed liquor 20 is filtered；In the present embodiment, 350 eye mesh screens can be used to carry out filtering sizing material mixing
Liquid 10 and the filler mixed liquor 20.
(d) is mixed by the sizing material mixed liquor 10 after step (c) filtering and the stirring of filler mixed liquor 20
Close uniform；In the present embodiment, the emulsification pretreatment machine high-speed stirred sizing material mixed liquor can be used to be filled out with this
Expect mixed liquor 10 minutes, be well mixed as heat radiation coating 30.
And the heat radiation coating 30 that step (e) will be uniformly mixed by step (d), to spray,
It is coated with, is impregnated with or is transferred on an object G surfaces, as shown in Figure 2 A and 2 B, makes shape after its drying
Into the thermal dispersant coatings 40 that a thickness is 3um to 100um.In the present embodiment, object G is included for a heat
Source or a sheet metal.In the present embodiment, and the thermal dispersant coatings 40 have pore structure 41.Fig. 9 is shown
The electron microscope picture of thermal dispersant coatings 40 of the present invention.
According to feature is before taken off, a preferred embodiment of heat radiation coating 30 of the present invention is by 120g fluorine carbon
Resin is dissolved in 100g ethyl acetates, obtains sizing material mixed liquor 10；30g bamboo charcoals are dissolved in 100g distillations
Filler mixed liquor 20 is obtained in water.Carried out with 350 eye mesh screens filtering the sizing material mixed liquor 10 again and filled out with this
Mixed liquor 20 is expected, then with the emulsification pretreatment machine high-speed stirred sizing material mixed liquor and the filler mixed liquor
10 minutes, and obtain uniform heat radiation coating 30.
Also, the second embodiment of heat radiation coating 30 of the present invention, is that 120g fluorocarbon resins are dissolved in into 100g
Sizing material mixed liquor 10 is obtained in thinner, separately 30g bamboo charcoal nanos are dissolved in 60g ethyl acetates and being obtained
Filler mixed liquor 20.Then, the preparation method of identical above-described embodiment, through filtering, mixing, and
Obtain uniform heat radiation coating 30.
Based on above-mentioned composition, above-mentioned two heat radiation coatings 30 embodiment of the present invention is mainly used
Fluorocarbon resin as heat radiation coating sizing material, and because the fluorine element electronegativity that fluorocarbon resin is introduced is big,
Carbon-fluorine bond can be strong, therefore with superior weatherability, heat resistance, lower temperature resistance and chemical-resistant resistance
Property, and with unique self-cleaning property, and then produce the effect of antipollution environmental protection；And fluororesin,
Acrylic resin, Polyurethane, polyureas ester, unsaturated polyester (UP) or epoxy resin etc., also have and fluorine
Carbon resin equivalent function.In addition, filler is selected from bamboo charcoal, carbon pipe, graphite, graphene microchip, graphite
Alkene, carbon ball, carbon fiber, Danization peng, aluminium nitride, mica, silica, titanium dioxide, carbon
SiClx, zinc oxide, germanium oxide or aforementioned filler combination as heat radiation coating filler, and because of this
There is a little fillers highly developed pore structure 41 to cause surface area big, add diffusing surface product,
Accelerate rate of heat dispation；Wherein there is very high radiation energy, heat content is low, be equally beneficial for improving material
The radiating effect of material；Therefore having effects that resistance tocrocking is good and high-cooling property.Also, selected from day
Combination by water, ethyl acetate, absolute ethyl alcohol, distilled water or foregoing mixed solvent is molten as mixing
Agent, and because the solute effect of these mixed solvents is good, it is another to have effects that being beneficial to uniform filling disperses.
The heat dissipation characteristics test of thermal dispersant coatings 40 of the present invention, its method of testing selects two aluminium sheets, its
The size of mobile phone when length and width size is about five, i.e., long (140mm) × wide (700mm) × thickness (3mm) is made
For base material, and using wherein a piece of aluminium sheet as nude film control group, another then dissipates in its surface spraying
Hot coating 30, forms the thermal dispersant coatings 40 that a thickness of dry film is 100um after drying.Then by two
Aluminium sheet is placed with a heating plate, and fixed power output is 38 volts (V), observes and records whole temperature
The process of change is spent, as shown in figure 8, curve A is the aluminium sheet for not spraying thermal dispersant coatings 40, with thermal source
The temperature variation curve of thermal source during contact, curve B is then that will be coated with the aluminium sheets of thermal dispersant coatings, with heat
The temperature variation curve of thermal source when source is contacted, thus the comparison of two curves is understood, is coated with this hair
The aluminium sheet of bright thermal dispersant coatings 40, its surface temperature temperature reaction is very fast, and the temperature of thermal source is relatively low,
Show that heat conduction velocity is very fast, thermal dispersant coatings 40 of the invention contribute to heat transfer and thermal radiation function.
Based on above-mentioned composition, as shown in figure 3, above-mentioned thermal dispersant coatings 40 can be coated on one by the present invention
On metal level 50, to constitute a heat dissipation metal composite membrane 60, to be installed in an electronic installation 70
Portion is close to the position of thermal source or is installed directly on thermal source；Wherein the metal level 50 is at least led by one layer
Thermal conductive metallic is constituted, and thickness is 3um-150um thin-slab structure, and the metal level 50 has one the
One surface 51 and a second surface 51；The thermal dispersant coatings 40 are coated on the first surface of the metal level 50
51 or second surface 52, the heat dissipation metal composite membrane 60 of a piece of two-layer structure is formed with this.In addition,
As shown in figure 4, the thermal dispersant coatings 40 can also be coated on the first surface 51 and of the metal level 50 simultaneously
Two surfaces 52；The heat dissipation metal composite membrane 60 of a piece of three-decker is formed with this.Therefore the radiating
Coating 40 can be coated on any of which surface of the metal level 50 on demand, or first surface 51 and
Second surface 52 is coated with simultaneously, certainly, and the thermal dispersant coatings 40 can also be coated on nonmetallic surface
On, on the hypolimnion that can be also coated on a stratiform or stereochemical structure, for example：First in the metal level 50
Surface is coated with a hypolimnion, and then the thermal dispersant coatings 40 are coated with hypolimnion again, so can more be obtained
Obtain longitudinal direction and horizontal heat radiation function.
In the present embodiment, the metal level 50 may include in two dimension or three-dimensional structure any of which body institute
Constitute.The metal level 50 is a single metal level, and it may be selected from including：Copper, aluminium, titanium, silver, gold,
Copper alloy, aluminium alloy, silver alloy, titanium alloy or stainless steel, any of which metal are constituted.
Metal level major function is tool heat conduction, heat sinking function and structure function, and its composition can be divided into single gold
Belong to layer or complex metal layer, single metal level can be for copper or aluminium or titanium is silver-colored or golden or copper alloy or aluminium
Alloy or silver alloy or titanium alloy or stainless steel.Complex metal layer can select it for above-mentioned single metal
Two or select thirdly being formed according to stack manner, its stack manner is physically or chemically formed
Compact texture, with heat conduction, radiating and structure function.
Shown in Fig. 5~Fig. 7, it is the heat dissipation metal composite membrane 60 for showing the present invention, is installed in the electronics
The use state of device 70 is with reference to figure.The electronic installation 70 generally includes：One panel 71；One liquid crystal
Display module 72, is located at the lower section of the transparency carrier 71；Shell support 73 in one, is located at the liquid crystal
Show the lower section of module 72；One circuit board 74, is located at the lower section of shell support 73 in this, at least sets thereon
There is an electronic chip 75；One battery 76, is located at the lower section of shell support 73 in this；And a bonnet 77,
Relative to combine root edge of shell support 73 in this, it has an accommodation space 771, foregoing to store
Component；But, above take off component and belong to prior art (Prior Art), the patent purpose of non-invention is held
Do not repeat.
The present invention helps inside or the housing of the electronic installation 70 by the heat dissipation metal composite membrane 60
Radiating, for example：By the heat dissipation metal composite membrane 60, according to the electronic installation 70 middle shell support 73 or after
The shape of lid 77, cuts into appropriate size, and then dress is attached in this on shell support 73 or bonnet 77,
Also or with shell support 73 in this or the grade of bonnet 77 on the component of thermal source, or it is installed directly in thermal source
On, Unitary injection formed, to by the heat of the electronic chip 75 vertically up or down
Transmission, the heat transfer of the output of electronic chip 75 is gone out, making heat, transversely horizontal dispersion goes out
Go, then by the heat dissipation metal composite membrane 60, reach Homogeneouslly-radiating；Whereby, Sanming City of the present invention
Control kenel and stack constituted heat dissipation metal composite membrane 60, with combination radiating, heat conduction and samming three
Planting work(is used for one, can both keep the reliability of electronic apparatus 70, and can be cost-effective
Effect.Furthermore, its metal level can be made up of MULTILAYER COMPOSITE, to constitute a high intensity and highly conductive
The complex metal layer of property, except that can promote heat conduction function, more can strengthening electronic device overall structure
Intensity.
The above described is only a preferred embodiment of the present invention, not making any shape to the present invention
Limitation in formula, it is any simple that every technical spirit according to the present invention is made to above example
Modification, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
In summary, the present invention is accorded with completely in structure design, using in practicality and cost benefit
Needed for conjunction industry development, and disclosed structure is also, with unprecedented innovative structure, to have
Novelty, creativeness, practicality, meet the regulation about patent of invention important document, therefore lift in accordance with the law
Application.
Claims (8)
1. a kind of preparation method of thermal dispersant coatings, it is characterised in that comprise the following steps：
(a) provide a sizing material, its be selected from include by：Fluorocarbon resin, fluororesin, acrylic resin,
Polyurethane, polyureas ester, unsaturated polyester (UP), the mixing of epoxy resin and any two above-mentioned above materials
The group that thing is constituted, is dissolved in an in the mixed solvent, and the weight ratio of the sizing material and mixed solvent is 0.6
To 1.4 times, and then obtain sizing material mixed liquor；
(b) provide a filler, its be selected from include by：Bamboo charcoal, carbon pipe, graphite, graphene microchip,
Graphene, carbon ball, carbon fiber, Danization peng, aluminium nitride, mica, silica, titanium dioxide,
The group that carborundum, zinc oxide, the mixture of germanium oxide and any two above-mentioned above materials are constituted,
By weight than adding an in the mixed solvent for the filler of 0.1 to 10 times of the sizing material, the filler is molten with mixing
The weight ratio of agent is 0.3 to 10 times, and then obtains filler mixed liquor；
(c) mixes the sizing material mixed liquor obtained by step (a) with passing through the filler that step (b) is obtained
Liquid is closed to be filtered；
(d) mixes the sizing material mixed liquor after step (c) filtering with the stirring of filler mixed liquor
It is even；And
(e) heat radiation coating that will be uniformly mixed by step (d), to spray, be coated with, contain
Soak or be transferred on an object surface, it is formed the radiating that a thickness is 3um to 100um after drying
Coating.
2. the preparation method of thermal dispersant coatings according to claim 1, it is characterised in that described to fill out
Material has pore structure.
3. the preparation method of thermal dispersant coatings according to claim 2, it is characterised in that the glue
The mixed solvent expected with the filler includes being selected from：Thinner, ethyl acetate, absolute ethyl alcohol, distilled water
And the group that the mixture of any two above-mentioned above materials is constituted.
4. the preparation method of thermal dispersant coatings according to claim 3, it is characterised in that the step
Suddenly in (b)：It is than adding an in the mixed solvent for the filler of 0.1 to 0.6 times of the sizing material with weight；And
The weight ratio of the filler and mixed solvent is 0.3 to 0.8 times.
5. the preparation method of thermal dispersant coatings according to claim 4, it is characterised in that the step
Suddenly in (a)：The sizing material mixed liquor, is, by the sizing material of 120g fluorocarbon resins, to be dissolved in 100g ethyl acetates
In the mixed solvent constituted；In step (b)：The filler mixed liquor, be by the filler of 30g bamboo charcoals,
The in the mixed solvent being dissolved in 100g distilled water is constituted.
6. the preparation method of thermal dispersant coatings according to claim 1, it is characterised in that the step
Suddenly the object described in (e) includes being a thermal source or a sheet metal.
7. a kind of heat dissipation metal composite membrane, it is characterised in that including：
Thermal dispersant coatings according to made by any of which preparation method in claim 1 to 6, are applied
Cloth is on a metal level, to constitute a heat dissipation metal composite membrane, to be installed in an electronic installation
Portion is close to the position of thermal source or is installed directly on thermal source；Wherein
The metal level is at least made up of one layer of conductive metal, and thickness is 3um-150um thin plate
Structure, the metal level has a first surface and a second surface；And
The thermal dispersant coatings, are coated on the first surface and/or second surface of the metal level；Formed with this
A piece of two layers or three layers of heat dissipation metal composite membrane.
8. the heat dissipation metal composite membrane of electronic installation according to claim 7, it is characterised in that
The metal level is single metal level or more than two layers metal levels, and it, which is selected from, includes：Copper, aluminium, titanium,
Silver, copper alloy, aluminium alloy, silver alloy, titanium alloy or stainless steel, any of which metal or two
Above metal is planted to be constituted according to storehouse.
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| CN111944403A (en) * | 2020-08-10 | 2020-11-17 | 兄奕能源科技(江苏)有限公司 | Conductive heating coating beneficial to improving heating efficiency and preparation method thereof |
| CN113353937A (en) * | 2021-07-16 | 2021-09-07 | 周敏龙 | Polycrystalline silicon reduction furnace with good heat dissipation effect |
| CN113539557A (en) * | 2021-07-26 | 2021-10-22 | 安徽电缆股份有限公司 | Anti-interference corrosion-resistant military invisible cable |
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Application publication date: 20170929 |