CN112940636A - Aerogel material for electronic products and preparation method thereof - Google Patents
Aerogel material for electronic products and preparation method thereof Download PDFInfo
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- CN112940636A CN112940636A CN202110146808.0A CN202110146808A CN112940636A CN 112940636 A CN112940636 A CN 112940636A CN 202110146808 A CN202110146808 A CN 202110146808A CN 112940636 A CN112940636 A CN 112940636A
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- aerogel
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- adhesive tape
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- 239000004964 aerogel Substances 0.000 title claims abstract description 64
- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 239000011888 foil Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 36
- 238000009413 insulation Methods 0.000 claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003063 flame retardant Substances 0.000 claims abstract description 24
- 239000002390 adhesive tape Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims description 26
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 229910003082 TiO2-SiO2 Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000012783 reinforcing fiber Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- -1 graphite alkene Chemical class 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
Abstract
The invention discloses an aerogel material for electronic products and a preparation method thereof, wherein the preparation method of the material comprises the following steps: preparing an aerogel heat insulation composite material; bonding the metal foil layer to the lower surface of the graphene layer by using a high-temperature-resistant double faced adhesive tape; adhering the aerogel heat-insulation composite material to the upper surface of the graphene layer by using a high-temperature-resistant flame-retardant double faced adhesive tape; and (3) adhering the release film to the lower surface of the metal foil layer by using the high-temperature-resistant flame-retardant double faced adhesive tape to obtain the aerogel material for the electronic product. According to the invention, the high thermal conductivity of the metal foil and the graphene and the low thermal conductivity of the aerogel heat insulation composite material are utilized, when a heating source emits heat, the heat is transversely and longitudinally led out along the metal foil layer and the graphene layer, the heat longitudinally led out is isolated by the aerogel heat insulation composite material, and the heat is transversely and directionally led out along the metal foil layer and the graphene layer.
Description
Technical Field
The invention relates to the field of heat insulation of heating components of electronic products, in particular to an aerogel material for electronic products and a preparation method thereof.
Background
With the development of electronic technology, the functions of electronic products are more and more, and the functions and the volume of the electronic products need to be considered, which results in high integration density of electronic components, and with the increase and concentration of elements, the local heat productivity of the electronic products is greatly increased.
In the prior art, when an electronic product selects a heat insulation material, an aerogel material is often selected, and a plurality of gaps are formed in the aerogel material and used for absorbing heat, so that the heat conductivity is very low, the heat insulation effect can be achieved only, the heat cannot be conducted out, when the temperature is continuously increased, the heat absorbed by the porous material is saturated, and the redundant heat easily interferes with some important elements of the electronic product or injures a user.
Disclosure of Invention
In order to solve the problems, the invention provides an aerogel material for electronic products and a preparation method thereof, and the specific technical scheme is as follows:
a method for preparing an aerogel material for electronic products comprises the following steps:
s10, preparing the aerogel heat insulation composite material:
s101: adding the gel into a mold paved with reinforced fibers, mixing the gel with the reinforced fibers, wherein the mass ratio of the gel to the reinforced fibers is 3:1, and standing at normal temperature for 20 hours to obtain reinforced fiber composite gel;
s102: placing the reinforced fiber composite gel into supercritical fluid drying equipment, pre-charging 6.5MPa of nitrogen, heating to 246 ℃ at the speed of 3 ℃/min, exhausting gas at one end while heating, filling nitrogen into the other end, keeping the exhaust gas consistent with the helium filled, ensuring that the supercritical fluid drying equipment keeps constant pressure, preserving the heat for 2 hours, and slowly releasing the pressure at the speed of 50KPa/min to obtain the aerogel heat-insulating composite material;
s20, bonding the metal foil layer to the lower surface of the graphene layer by using a high-temperature-resistant flame-retardant double faced adhesive tape;
s30, adhering the aerogel heat-insulating composite material to the upper surface of the graphene layer by using the high-temperature-resistant flame-retardant double faced adhesive tape;
and S40, adhering a release film to the lower surface of the metal foil layer by using the high-temperature-resistant flame-retardant double-faced adhesive tape to obtain the aerogel material for the electronic product.
Specifically, the preparation of the gel comprises the following steps: from Al2O3Sol, TiO2Mixing the sol and the SiC sol according to the mass ratio of 0.6:1:1.3, adding a catalyst, and stirring for 20 minutes to obtain Al2O3-TiO2-SiO2Adding deionized water, ethanol and acetic acid mixed solution into the sol, wherein the molar ratio of the ethanol, the deionized water and the acetic acid to the aluminum is 3:0.1:0.9:1, and obtaining the gel.
Specifically, the reinforcing fiber is prepared by mixing glass fiber and silicon carbide fiber according to the mass ratio of 1: 0.04.
Specifically, the thickness of the graphene layer is 0.012-0.055 mm.
Specifically, the metal foil layer is of a net structure, the porosity of the metal foil layer is 55-65%, the pore size is 0.05-0.1 mm, and the thickness is 0.05-0.1 mm.
Specifically, the release film is a composite release film made of PET and TPX serving as base materials, the thickness of the release film is 0.05mm, and the release force is 5-25 g/mm.
Specifically, the high-temperature-resistant flame-retardant double-sided adhesive is polyimide film double-sided adhesive or polyester flame-retardant film double-sided adhesive, the thickness of the high-temperature-resistant flame-retardant double-sided adhesive is 0.02-0.05 mm, and the viscosity range is 600-10000 cps.
Further, the aerogel material for electronic products includes:
a graphene layer;
the aerogel heat insulation composite material is arranged on the upper surface of the graphene layer;
the metal foil layer is arranged on the lower surface of the graphene layer;
the release film is arranged on the lower surface of the metal foil layer;
the high-temperature-resistant flame-retardant double faced adhesive tape is sequentially used for bonding the release film, the metal foil layer, the graphene layer and the aerogel heat-insulation composite material.
One end of a release film in the aerogel material for the electronic product is positioned close to a heating source of the electronic product.
Compared with the prior art, the invention at least has the following technical effects:
at first, place metal foil layer and graphite alkene layer in the one end that is close to from the source that generates heat, utilize the characteristics that their coefficient of thermal conductivity is high, when the source that generates heat sent heat, metal foil layer and graphite alkene layer derive the heat, reduced local high temperature, isolated by the heat-insulating combined material of aerogel with the heat of vertically deriving, the heat is derived along metal foil layer and graphite alkene layer transverse orientation, has protected electronic product and user. Secondly, the aerogel heat insulation composite material prepared by adding the reinforced fibers improves the strength and brittleness of the aerogel, further reduces the heat conductivity, further enhances the heat insulation property and improves the effect of heat insulation and high temperature resistance. In addition, the release film is attached to the surface of the metal foil layer, so that the metal foil layer is prevented from being oxidized while being conductive to the graphene layer.
Drawings
FIG. 1 is a block flow diagram of a method of making an aerogel material for an electronic product according to the present application;
FIG. 2 is a flow diagram of a method of making an aerogel insulation composite of the present application;
fig. 3 is a schematic structural diagram of an aerogel material for an electronic product according to a first embodiment of the present application;
fig. 4 is a schematic structural diagram of an aerogel material for an electronic product according to a second embodiment of the present application;
wherein, 101-release film; 102-a metal foil layer; 103-a graphene layer; 104-aerogel insulation composite; 105-high temperature resistant flame retardant double faced adhesive tape.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The first embodiment is as follows:
as shown in fig. 1 to 2, the present embodiment provides a method for preparing an aerogel material for electronic products, including the following steps:
s10, preparing the aerogel heat insulation composite material:
s101: adding gel into a mold paved with reinforced fibers, and mixing the gel with the reinforced fibers, wherein the mass ratio of the gel to the reinforced fibers is 3:1, standing for 20 hours at normal temperature to obtain reinforced fiber composite gel, and the reinforced fiber composite gel obtained in this way can form a stable porous network structure;
s102: placing the reinforced fiber composite gel into supercritical fluid drying equipment, pre-charging 6.5MPa of nitrogen, heating to 246 ℃ at the speed of 3 ℃/min, exhausting gas at one end while heating, filling nitrogen into the other end, keeping the exhaust gas consistent with the helium filling, ensuring that the supercritical fluid drying equipment keeps constant pressure, preserving the heat for 2 hours, and slowly releasing the pressure at the speed of 50KPa/min to obtain the aerogel heat insulation composite material, wherein the aerogel heat insulation composite material formed under the condition has small aperture and high porosity, unnecessary waste can be caused when the air pressure and the temperature are too high, and the organic solvent can not be completely volatilized when the air pressure and the temperature are too low, so that the porosity of the aerogel heat insulation composite material can be reduced;
s20, bonding the metal foil layer to the lower surface of the graphene layer by using a high-temperature-resistant flame-retardant double faced adhesive tape;
s30, adhering the aerogel heat-insulating composite material to the upper surface of the graphene layer by using the high-temperature-resistant flame-retardant double faced adhesive tape;
and S40, adhering the release film to the lower surface of the metal foil layer by using the high-temperature-resistant flame-retardant double-faced adhesive tape to obtain the aerogel material for the electronic product.
Preferably, the preparation of the gel: from Al2O3Sol, TiO2Mixing the sol and the SiC sol according to the mass ratio of 0.6:1:1.3, adding a catalyst, and stirring for 20 minutes to obtain Al2O3-TiO2-SiO2Adding deionized water, ethanol and acetic acid mixed solution into the sol, wherein the molar ratio of the ethanol, the deionized water and the acetic acid to the aluminum is 3:0.1:0.9:1, thus obtaining the gel, and the aerogel prepared from the gel has greatly increased porosity and reduced porosityThe heat conductivity coefficient of the aerogel is improved, and the heat insulation performance of the aerogel is enhanced.
Preferably, the reinforced fiber is prepared by mixing glass fiber and silicon carbide fiber according to the mass ratio of 1:0.04, wherein the preferred length of the glass fiber and the silicon carbide fiber is 10mm, and the diameter of the glass fiber and the silicon carbide fiber is 0.01mm, so that the prepared reinforced fiber has extremely high-temperature resistance and very strong flexibility, and the strength and the brittleness of the aerogel can be improved and the heat-insulating and high-temperature-resistant effects can be improved after the reinforced fiber is added into the aerogel.
Preferably, the thickness of graphite alkene layer is 0.012 ~ 0.055mm, also can in time derive the heat when this thickness range graphite alkene guarantees frivolously.
Preferably, the metal foil layer is of a net-shaped structure, the porosity of the metal foil layer is 55-65%, the pore size is 0.05-0.1 mm, the thickness is 0.05-0.1 mm, and the net-shaped structure can conduct heat in time while ensuring lightness and thinness.
Preferably, the release film is a composite release film made of PET and TPX as base materials, the thickness of the release film is 0.05mm, the release force is 5-25 g/mm, and residues can be conveniently torn off and cannot be left.
Preferably, the high-temperature-resistant flame-retardant double-sided adhesive is polyimide film double-sided adhesive or polyester flame-retardant film double-sided adhesive, the thickness of the high-temperature-resistant flame-retardant double-sided adhesive is 0.02-0.05 mm, the viscosity range is 600-10000cps, and the high-temperature-resistant flame-retardant double-sided adhesive can be bonded to each structure while being prevented from being melted at high temperature.
Further, as shown in fig. 3, the aerogel material for electronic products includes:
a graphene layer;
the aerogel heat insulation composite material is arranged on the upper surface of the graphene layer;
the metal foil layer is arranged on the lower surface of the graphene layer;
the release film is arranged on the lower surface of the metal foil layer;
the high-temperature-resistant flame-retardant double faced adhesive tape is sequentially used for bonding the release film, the metal foil layer, the graphene layer and the aerogel heat-insulation composite material.
One end of a release film in the aerogel material for the electronic product is positioned close to a heating source of the electronic product.
Compared with the prior art, the embodiment has the following technical effects: at first, place metal foil layer and graphite alkene layer in the one end that is close from the source that generates heat, utilize the characteristics that their coefficient of thermal conductivity is high, when the source that generates heat sends heat, metal foil layer and graphite alkene layer derive the heat, have reduced local high temperature, are isolated by the heat-insulating combined material of aerogel with the heat of vertically deriving, and the heat is derived along metal foil layer and graphite alkene layer transverse orientation, has protected electronic product and user. Secondly, the aerogel heat insulation composite material prepared by adding the reinforced fibers improves the strength and brittleness of the aerogel, further reduces the heat conductivity, further enhances the heat insulation property and improves the effect of heat insulation and high temperature resistance. In addition, the release film is attached to the surface of the metal foil layer, so that the metal foil layer is prevented from being oxidized while being conductive to the graphene layer.
Example two:
as shown in fig. 4, different from the first embodiment, according to the preparation method of the first embodiment, the graphene layer with a thickness of 0.012mm and the aerogel thermal insulation composite material are sequentially disposed on the surface of the aerogel thermal insulation composite material, and the graphene layer and the aerogel thermal insulation composite material are sequentially adhered by using the high temperature resistant double-sided adhesive tape, so that the thermal conductivity and thermal insulation performance of the aerogel material for electronic products can be further improved.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A method for preparing an aerogel material for electronic products is characterized by comprising the following steps:
s10, preparing the aerogel heat insulation composite material:
s101: adding the gel into a mold paved with reinforced fibers, mixing the gel with the reinforced fibers, wherein the mass ratio of the gel to the reinforced fibers is 3:1, and standing at normal temperature for 20 hours to obtain reinforced fiber composite gel;
s102: placing the reinforced fiber composite gel into supercritical fluid drying equipment, pre-charging 6.5MPa of nitrogen, heating to 246 ℃ at the speed of 3 ℃/min, exhausting gas at one end while heating, and filling nitrogen into the other end, wherein the volume of the exhausted gas is consistent with that of the filled helium, so that the supercritical fluid drying equipment is kept at constant pressure, the temperature is kept for 2 hours, and then the pressure is slowly released at the speed of 50KPa/min, so that the aerogel heat-insulating composite material is obtained;
s20, bonding the metal foil layer to the lower surface of the graphene layer by using a high-temperature-resistant flame-retardant double faced adhesive tape;
s30, adhering the aerogel heat-insulating composite material to the upper surface of the graphene layer by using the high-temperature-resistant flame-retardant double faced adhesive tape;
and S40, adhering a release film to the lower surface of the metal foil layer by using the high-temperature-resistant flame-retardant double-faced adhesive tape to obtain the aerogel material for the electronic product.
2. The method for preparing an aerogel material for electronic products according to claim 1, wherein the preparation of the gel: from Al2O3Sol, TiO2Mixing the sol and the SiC sol according to the mass ratio of 0.6:1:1.3, adding a catalyst, and stirring for 20 minutes to obtain Al2O3-TiO2-SiO2Adding deionized water, ethanol and acetic acid mixed solution into the sol, wherein the molar ratio of the ethanol, the deionized water and the acetic acid to the aluminum is 3:0.1:0.9:1, and obtaining the gel.
3. The method for producing an aerogel material for electronic products according to claim 1, wherein the reinforcing fibers are made by mixing glass fibers and silicon carbide fibers at a mass ratio of 1: 0.04.
4. The method of claim 1, wherein the graphene layer has a thickness of 0.012mm to 0.055 mm.
5. The method of claim 1, wherein the metal foil layer has a mesh structure, a porosity of 55-65%, a pore size of 0.05-0.1 mm, and a thickness of 0.05-0.1 mm.
6. The method for preparing the aerogel material for electronic products according to claim 1, wherein the release film is a composite release film made of PET and TPX as base materials, the thickness of the release film is 0.05mm, and the release force is 5-25 g/mm.
7. The method for preparing the aerogel material for electronic products as claimed in claim 1, wherein the high temperature resistant and flame retardant double faced adhesive tape is polyimide film double faced adhesive tape or polyester flame retardant film double faced adhesive tape, the thickness of which is 0.02-0.05 mm, and the viscosity range is 600-10000 cps.
8. An aerogel material for electronic products prepared by the preparation method according to any one of claims 1 to 7, comprising:
a graphene layer;
the aerogel heat insulation composite material is arranged on the upper surface of the graphene layer;
the metal foil layer is arranged on the lower surface of the graphene layer;
the release film is arranged on the lower surface of the metal foil layer;
the high-temperature-resistant flame-retardant double faced adhesive tape is sequentially used for bonding the release film, the metal foil layer, the graphene layer and the aerogel heat-insulation composite material.
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CN113479493A (en) * | 2021-07-22 | 2021-10-08 | 航天海鹰(镇江)特种材料有限公司 | Method for coating detachable aerogel heat-insulating layer on sphere |
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CN107118705A (en) * | 2017-06-19 | 2017-09-01 | 奇华光电(昆山)股份有限公司 | It is a kind of for aeroge compound heat-insulation piece of electronic product and preparation method thereof |
CN111362664A (en) * | 2020-02-18 | 2020-07-03 | 江苏泛亚微透科技股份有限公司 | Aluminum-titanium doped silica aerogel/fiber composite material and preparation method thereof |
CN211656722U (en) * | 2019-12-31 | 2020-10-09 | 广东聚石科技研究有限公司 | Composite graphene directional heat dissipation film and electronic equipment |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107118705A (en) * | 2017-06-19 | 2017-09-01 | 奇华光电(昆山)股份有限公司 | It is a kind of for aeroge compound heat-insulation piece of electronic product and preparation method thereof |
CN211656722U (en) * | 2019-12-31 | 2020-10-09 | 广东聚石科技研究有限公司 | Composite graphene directional heat dissipation film and electronic equipment |
CN111362664A (en) * | 2020-02-18 | 2020-07-03 | 江苏泛亚微透科技股份有限公司 | Aluminum-titanium doped silica aerogel/fiber composite material and preparation method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113479493A (en) * | 2021-07-22 | 2021-10-08 | 航天海鹰(镇江)特种材料有限公司 | Method for coating detachable aerogel heat-insulating layer on sphere |
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Application publication date: 20210611 |