CN207124772U - A kind of graphene Electric radiant Heating Film and the equipment containing graphene Electric radiant Heating Film - Google Patents
A kind of graphene Electric radiant Heating Film and the equipment containing graphene Electric radiant Heating Film Download PDFInfo
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- CN207124772U CN207124772U CN201720652474.3U CN201720652474U CN207124772U CN 207124772 U CN207124772 U CN 207124772U CN 201720652474 U CN201720652474 U CN 201720652474U CN 207124772 U CN207124772 U CN 207124772U
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Abstract
Graphene Electric radiant Heating Film field is the utility model is related to, the equipment in particular to a kind of graphene Electric radiant Heating Film and containing graphene Electric radiant Heating Film.A kind of graphene Electric radiant Heating Film, graphene layer is set on Electric radiant Heating Film surface.Graphene Electric radiant Heating Film provided by the utility model, it is uniform to be delivered to the heat spreader of graphene layer, solves in the prior art that Electric radiant Heating Film surface temperature distribution is uneven, locally lies in the defects of overheat；In addition, graphene layer can also improve the programming rate of substrate, more conducively radiate, and then lift the reliability and service life of the work of graphene Electric radiant Heating Film.The graphene Electric radiant Heating Film can be widely applied to heating equipment.
Description
Technical field
Graphene Electric radiant Heating Film field is the utility model is related to, in particular to a kind of graphene Electric radiant Heating Film and is contained
The equipment of graphene Electric radiant Heating Film.
Background technology
Mica paper is using high-quality muscovite, phlogopite or synthetic mica as raw material, with the side of waterpower point stripping or chemical pulping
The paper-based insulation material of formula production, has nontoxic, tasteless, high temperature resistant, high pressure resistant, corrosion-resistant, ageing-resistant and excellent electrical resistance
The advantages that energy, while also there is good permeability and air permeability, height can be pressed into dippings such as epoxy resin, organic siliconresins
The tabular heatproof insulating material of quality, also can be multiple by epoxy or organic siliconresin dipping with glass-fiber-fabric, film, ceramic fibre etc.
The banding high-temperature insulation material of high-quality is synthesized, therefore, many fields of the mica paper in life suffer from widely applying
Prospect.
Traditional heating system includes burning fuel and with electric heating element heat production.It is right although the former heat energy high conversion rate
Environmental pollution is more serious, and the latter is that various heating equipments are made using electric heating element, utilizes cross-ventilation and the side of heat radiation
Formula transmits heat to certain space, and equipment is convenient to be installed, and is easy to family to use.But the electric heating element of this heating equipment is usually
Exposed to simply being isolated outside or simply, certain potential safety hazard be present, further, since electric energy is a kind of the secondary of high price
The energy, if the electric conversion efficiency of equipment is not high, the requirement of low-carbon environment-friendly is not met yet, thus it is also unsuitable long-term use of.
Patent《A kind of mica electro-thermal film》, publication number：CN103002608A, publication date：2013.03.27, one is disclosed
Kind mica electro-thermal film, the mica electro-thermal film is composite layered structure, and centre is heat generating member, and it is mica-based to be close to heat generating member two sides
Plate, the heat generating member are the alloy foil sheet for being etched with heating circuit, and the mica substrate is that mica crosses gummed paper, the Electric radiant Heating Film by
Alloy foil sheet, mica substrate are formed by high temperature adhesive and the compacting of high-temperature laminating technique.Mica electricity prepared by the utility model
Hotting mask is simple in construction, and thermal conversion efficiency is high, meets safety and comfort, environmental protection and energy saving using heating equipment made of the mica electro-thermal film
Requirement.However, disclosed in the utility model patent still there is product surface non-uniform temperature, part in mica electro-thermal film
The problems such as heat spot, the local coefficient of expansion are big, oxidation is too fast be present in position.
In view of this, it is special to propose the utility model.
Utility model content
First purpose of the present utility model is to provide a kind of graphene Electric radiant Heating Film, overcomes Electric radiant Heating Film surface in the prior art
Non-uniform temperature, the deficiency for locally lying in heat spot.
Second purpose of the present utility model is the preparation method for providing above-mentioned graphene Electric radiant Heating Film, prepared by this method
Graphene Electric radiant Heating Film heat dispersion is excellent, the uniformity of temperature profile on graphene Electric radiant Heating Film surface, in the absence of the phenomenon of hot-spot,
The graphene layer on graphene Electric radiant Heating Film surface can be by heat caused by heating circuit rapidly on the surface of graphene Electric radiant Heating Film
Spread apart and, while the heating rate of graphene Electric radiant Heating Film can be improved, and then lift the reliability of graphene Electric radiant Heating Film work
And service life.
3rd purpose of the present utility model is in the application in the described graphene Electric radiant Heating Film of offer in heating equipment.
4th purpose of the present utility model is to provide the equipment containing the graphene Electric radiant Heating Film.
In order to realize above-mentioned purpose of the present utility model, spy uses following technical scheme：
A kind of graphene Electric radiant Heating Film, graphene layer is set on Electric radiant Heating Film surface.
Graphene Electric radiant Heating Film provided by the utility model, graphene layer is set on the surface of substrate, is delivered to graphene layer
Heat spreader it is uniform, solve in the prior art that Electric radiant Heating Film surface temperature distribution is uneven, locally lies in the defects of overheat；This
Outside, graphene layer can also improve the programming rate of substrate, more conducively radiate, and then lift the reliability of graphene Electric radiant Heating Film work
And service life.
The structure of Electric radiant Heating Film sets heat generating member between two substrates.
Further, the graphene Electric radiant Heating Film include to it is lower and on the substrate, heat generating member, substrate, the graphite that set gradually
Alkene layer.
After the heat of heat generating member reaches substrate, then graphene layer is delivered to, and then by graphene layer evenly and quickly
Radiating, effectively prevent the defects of Electric radiant Heating Film surface radiating of the prior art is uneven.
Further, the heat generating member is the alloy foil sheet for being etched with heating circuit.
Further, the alloy foil sheet is selected from stainless steel, aluminium, brass, corronil, nichrome or other resistance and closed
Gold.
Preferably, the thickness of the alloy foil sheet is 0.02~0.03mm.
Preferably, the substrate is mica substrate.
Preferably, the mica substrate is crossed gummed paper stacking by multilayer mica and formed.
Preferably, the mica substrate is formed by the female gummed paper stacking of crossing of 4~8 stratus.
Preferably, the thickness that the mica crosses gummed paper is 0.2-0.4mm.
Preferably, the grapheme material used in the graphene layer is selected from graphene and its derivative, reduction-oxidation graphite
One or more in alkene and its derivative, biomass graphene and its derivative.
Preferably, grapheme material in the graphene layer exist with powder, the radial ruler of graphene powder
It is very little be 20~50 μm, thickness be 1~10nm, more preferably radial dimension be 25~45 μm, thickness be 2~8nm, it is especially excellent
Elect as radial dimension be 30~40 μm, thickness be 5~7nm.
Preferably, the graphene layer is to dry to be made after graphene powder gluing liquid sprays.
Preferably, surface density of the graphene in the graphene Electric radiant Heating Film surface is 0.5g/m2More than, it is preferably
1-50g/m2, more preferably 5-10g/m2。
It is highly preferred that the thickness of the graphene layer is 10~20 μm.
The utility model additionally provides the preparation method of above-mentioned graphene Electric radiant Heating Film, one layer of direct spraying in Electric radiant Heating Film
Graphene powder gluing liquid, drying.
Further, comprise the following steps：
(a) take substrate standby；
(b) by the one side graphite spraying alkene powder gluing liquid of the substrate, drying obtains the substrate that one side is graphene layer；
(c) substrate, the heat generating member and the substrate with graphene layer smear adhesive, stack gradually placement, so
High-temperature laminating is carried out afterwards obtains the graphene Electric radiant Heating Film.
Preferably, in step (a), the substrate is mica substrate, and the mica substrate is prepared in the following manner：Cloud
After female paper is cut, gluing liquid is impregnated, stacking obtains the mica substrate.
Preferably, the gluing liquid is organic silica gel mucus.
Preferably, in step (b), the graphene powder gluing liquid is prepared by the following method：
Graphene powder is dispersed in adhesive, dissociates and is uniformly dispersed after addition dispersant, obtain graphene powder glue
Mucus.
Preferably, the graphene powder is 5~10% in the mass concentration of the adhesive.
Preferably, the addition of the dispersant for the graphene powder absolute dry mass 1~10%, preferably 2~
8%, more preferably 2~5%.
Preferably, the dispersant may be selected from but be not limited to polyethylene glycol, be polyacrylamide, polyoxyethylene laurel ether, poly-
Vinylpyrrolidone, 1-METHYLPYRROLIDONE, neopelex, cetyl trimethylammonium bromide, nano-cellulose
Among any one or two or more combinations.
Preferably, the thickness of the graphene adhesive of the one side spraying of the substrate is 10~20 μm.
Preferably, the temperature of the drying is 100~150 DEG C, and the time is 5~8min.
Preferably, in step (c), the heat generating member is prepared by the following method：Cutting forms hair on alloy foil sheet
Heater circuit, then the alloy foil sheet after cutting is immersed in cleaning solvent and soaked, then dries, obtains the heat generating member.
Preferably, the time that the alloy foil sheet soaks in the cleaning solvent is 10~20min.
Preferably, the drying is places 1~3 hour under the conditions of being 250~300 DEG C in temperature.
Preferably, the process conditions of the high-temperature laminating are：Temperature is 250~300 DEG C, and pressure is 10~11MPa, pressurize
Time is 3~5 hours.
Preferably, the graphene Electric radiant Heating Film after pressurize, which is naturally cooled at 60 DEG C, takes out, and cool time is no less than 3 hours.
The utility model additionally provides application of the described graphene Electric radiant Heating Film in heating equipment.
The utility model additionally provides the equipment containing described graphene Electric radiant Heating Film.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model uses sets the surface of graphene layer, particularly mica electro-thermal film to set on the surface of Electric radiant Heating Film
Graphene layer is put, is obviously improved the Temperature Distribution homogeneity of Electric radiant Heating Film, the defects of effectively prevent hot-spot, also, also
Improve the programming rate of Electric radiant Heating Film.
(2) the utility model also selects graphene, and the thermal property of graphene is stable, in the applied at elevated temperature less than 400 DEG C
Under the conditions of will not aoxidize and decompose, impart the good advantage of Electric radiant Heating Film stability.
(3) graphene mica electro-thermal film provided by the utility model, the excellent electric property of mica electro-thermal film had both been maintained
And insulating properties, the heating rate of traditional mica electro-thermal film is improved again, improves the uniform of Electric radiant Heating Film surface temperature distribution
Property, the generation for avoiding heat spot so that mica electro-thermal film has higher security and longer service life.
(4) graphene Electric radiant Heating Film provided by the utility model can simply increase by a step graphene on the basis of Electric radiant Heating Film
The spraying coating process of organosilicon gluing agent dispersing liquid, therefore the production technology of original Electric radiant Heating Film need not be modified, it is only necessary to
Increase a spray equipment, method is simple, easy to operation.
(5) graphene layer in the utility model, processed using the spraying coating process of graphene organosilicon gluing agent dispersing liquid
Form, the graphene powder in obtained graphene layer disperses homogeneous, excellent radiation performance.
(6) graphene Electric radiant Heating Film provided by the utility model can be widely applied to heating equipment field, be heating equipment
Development provides good basis.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art.
Fig. 1 is the structural representation of graphene Electric radiant Heating Film provided by the utility model；
Wherein, 1- heat generating members；2- substrates；3- graphene layers.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with embodiment, but those skilled in the art
It will be understood that the following example is merely to illustrate the utility model, and it is not construed as limiting the scope of the utility model.Embodiment
In unreceipted actual conditions person, the condition suggested according to normal condition or manufacturer carries out.Agents useful for same or the unreceipted life of instrument
Manufacturer person is produced, is the conventional products that can be obtained by commercially available purchase.
A kind of graphene Electric radiant Heating Film provided by the utility model, as shown in figure 1, including to it is lower and on the substrate that sets gradually
2nd, heat generating member 1, substrate 2, graphene layer 3.
Wherein, main body of the alloy foil sheet as heating, heat generating member 1 are to be etched with the alloy foil sheet of heating circuit, Alloy Foil
Piece is the paillon foil of commercially available alloy species, such as may be selected from stainless steel, aluminium, brass, corronil, nichrome and other resistance
Any of alloy or multiple combinations.
Preferably, the thickness of the alloy foil sheet is 0.02~0.03mm.
Heat generating member 1 oneself can also be prepared by commercially available purchase.
Specifically, the heat generating member 1 is prepared by the following method：Cutting forms heating circuit on alloy foil sheet, then
The alloy foil sheet after cutting is immersed in cleaning solvent and soaked, then dries, obtains the heat generating member 1.
Cleaning solvent can be ethanol, acetone etc., mainly by soaking the gold removed after certain time on alloy foil sheet
Category chip and the spot for removing its surface.
Preferably, the time that the alloy foil sheet soaks in the cleaning solvent is 10~20min.
Preferably, the drying is places 1~3 hour under the conditions of being 250~300 DEG C in temperature.
Wherein substrate 2 can be mica substrate, ceramic substrate etc., it is preferable that the substrate 2 is mica substrate.
Mica has the advantages that nontoxic, tasteless, corrosion-resistant, anti-aging while also excellent electrical insulation properties and height
Temperature stability, and there is good permeability and air permeability, it is most important heatproof insulation in modern electronics industry insulating products
One of material, be widely used in that electronics, electrical equipment, electromechanics, Aeronautics and Astronautics etc. be civilian and military insulation high-temperature-resistant product in.But
, can not by heating equipment, operationally caused heat gives out in time in time because the heat dispersion of mica paper in itself is poor
Go, so as to which operation and the service life of equipment can be influenceed.
Graphene has very excellent heat transfer and hot spoke as a kind of new carbon with two-dimensional slice structure
Performance is penetrated, heat can be rapidly dispersed into surrounding environment in the form of infra-red radiation.
The utility model sets graphene layer 3 on the surface of substrate 2, is advantageous to uniformly dividing for mica electro-thermal film surface temperature
Cloth, the generation for preventing heat spot, while the heating rate of traditional mica electro-thermal film can be improved.In addition, the calorifics of graphene
Matter is stable, will not aoxidize and decompose under the conditions of the applied at elevated temperature less than 400 DEG C.
Further, the mica substrate is crossed gummed paper stacking by multilayer mica and formed.Mica substrate can by commercially available purchase,
Also can prepare.
Further, the mica substrate is prepared in the following manner：After mica paper is cut, gluing liquid is impregnated, is stacked
To the mica substrate.
Preferably, the mica substrate is formed by the female gummed paper stacking of crossing of 4~8 stratus.As mica substrate can by 4 layers, 5
Layer, 6 layers, 7 layers, the micas such as 8 layers cross gummed paper stack form.
Preferably, the thickness that the mica crosses gummed paper is 0.2-0.4mm.As mica cross the thickness of gummed paper for 0.2mm,
0.25mm, 0.3mm, 0.35mm, 0.4mm etc..
Preferably, the grapheme material used in the graphene layer 3 is selected from graphene and its derivative, reduction-oxidation graphite
One or more in alkene and its derivative, biomass graphene and its derivative.
These grapheme materials can also can be prepared by commercially available purchase according to prior art disclosure.Wherein,
Biomass graphene in the utility model is using biomass as primary raw material, is prepared by the technique such as be catalyzed, be carbonized
Containing single-layer graphene, few layer graphene, graphene nano lamellar structure, and it is loaded with the compound of metal/non-metal compound
Carbon material.Can there are other allotropes, the even non-individual layer of the number of plies graphite of multilayer of carbon in the biomass graphene
Alkene structure (such as 3 layers, 5 layers, 10 layers, 20 layers etc.) or other elements.
Preferably, the grapheme material in the graphene layer 3 exists with powder, the radial dimension of graphene powder
Be 1~10nm for 20~50 μm, thickness, more preferably radial dimension be 25~45 μm, thickness be 2~8nm, particularly preferably
Be 30~40 μm for radial dimension, thickness be 5~7nm.
Preferably, the graphene layer 3 is to dry to be made after graphene powder gluing liquid sprays.
Preferably, surface density of the graphene in the graphene Electric radiant Heating Film surface is 0.5g/m2More than.Such as graphite
Surface density of the alkene in graphene Electric radiant Heating Film surface is 0.5g/m2、1g/m2、1.5g/m2、2g/m2、3g/m2、4g/m2、5g/m2、
6g/m2、7g/m2、8g/m2、9g/m2、10g/m2、12g/m2、15g/m2、18g/m2、20g/m2、22g/m2、25g/m2、30g/m2、
35g/m2、40g/m2、45g/m2、50g/m2、60g/m2、70g/m2、80g/m2、100g/m2Etc..Surface density refers to graphene electricity
The table of the quality of contained graphene and the graphene Electric radiant Heating Film of spraying in the graphene powder gluing liquid of hotting mask surface spraying
Area is divided by obtain, and the graphene Electric radiant Heating Film surface at this is also the surface of the graphene layer 3 sprayed.Graphene Electric radiant Heating Film surface
In graphene dosage it is more, then heat dispersion is better.The surface density of graphene can be increased by two aspects, and one is increase
The thickness of spraying, another is to increase the graphene content in graphene powder gluing liquid.If surface density is by increasing graphite
Graphene content in alkene powder gluing liquid, then the problem of graphene being caused to be difficult to be uniformly dispersed, there is increase cost in addition
The problem of.Consider, it is preferable that surface density of the graphene in the graphene Electric radiant Heating Film surface is 1-50g/m2,
More preferably 5-10g/m2。
Preferably, the thickness of the graphene layer is 10~20 μm.As graphene layer thickness for 10 μm, 12 μm, 13 μm,
15m, 16 μm, 18 μm, 20 μm etc..
Further, the graphene powder gluing liquid is prepared by the following method：
Graphene powder is dispersed in adhesive, dissociates and is uniformly dispersed after addition dispersant, obtain graphene powder glue
Mucus.
Preferably, the graphene powder is 5~10% in the mass concentration of the adhesive.
Preferably, the addition of the dispersant for the graphene powder absolute dry mass 1~10%, preferably 2~
8%, more preferably 2~5%.
Preferably, the dispersant may be selected from but be not limited to polyethylene glycol, be polyacrylamide, polyoxyethylene laurel ether, poly-
Vinylpyrrolidone, 1-METHYLPYRROLIDONE, neopelex, cetyl trimethylammonium bromide, nano-cellulose
Among any one or two or more combinations.
The utility model additionally provides the preparation method of above-mentioned graphene Electric radiant Heating Film, comprises the following steps：
(a) take substrate 2 standby；
(b) by the one side graphite spraying alkene powder gluing liquid of the substrate 2, drying obtains the base that one side is graphene layer 3
Plate；
(c) substrate 2, the heat generating member 1 and the substrate with graphene layer smear adhesive, stack gradually placement,
The opposite of the graphene layer of the wherein described substrate with graphene layer is bonded with the heat generating member, then carries out high-temperature laminating
Obtain the graphene Electric radiant Heating Film.
Further, in step (a), the substrate 2 is mica substrate, and the mica substrate is made in the following manner
It is standby：After mica paper is cut, gluing liquid is impregnated, stacking obtains the mica substrate.
Gluing liquid in the utility model is resistant to elevated temperatures gluing liquid, it is preferable that the gluing liquid is organic silica gel mucus.
Organic silica gel mucus resistance to elevated temperatures is good, also, obtained properties of product are stable.
Further, in step (b), the graphene powder gluing liquid is prepared by the following method：
Graphene powder is dispersed in adhesive, dissociates and is uniformly dispersed after addition dispersant, obtain graphene powder glue
Mucus.Graphene powder is directly placed into adhesive, it is not easy to be uniformly dispersed, by adding dispersant, then through ball mill
Or other equipment is disperseed, uniform graphene powder gluing liquid is obtained.
The addition of appropriate graphene powder not only improves the function of giving full play to its radiating, and beneficial to scattered equal
It is even, it is preferable that the graphene powder is 5~10% in the mass concentration of the adhesive.If graphene powder is in the glue
The mass concentration of glutinous agent is 5%, 7%, 8%, 10% etc..
For the ease of graphene dispersion is uniform, it is preferable that the addition of the dispersant is that the graphene powder is exhausted
The 1~10% of dry mass, preferably 2~8%, more preferably 2~5%.
Preferably, the dispersant may be selected from but be not limited to polyethylene glycol, be polyacrylamide, polyoxyethylene laurel ether, poly-
Vinylpyrrolidone, 1-METHYLPYRROLIDONE, neopelex, cetyl trimethylammonium bromide, nano-cellulose
Among any one or two or more combinations.
Preferably, the thickness of the graphene adhesive of the one side spraying of the substrate 2 is 10~20 μm, such as can be 10 μ
M, 12 μm, 15 μm, 16 μm, 17 μm, 18 μm, 20 μm etc..
Further, dried after graphite spraying alkene powder gluing liquid, the temperature of drying is 100~150 DEG C, and the time is
5~8min, obtain bonding graphene layer 3 on a substrate 2, and be firmly not easily disconnected from.
Preferably, the temperature of the drying is 100~150 DEG C, and the time is 5~8min.
Further, in step (c), the heat generating member 1 is prepared by the following method：Cut and formed on alloy foil sheet
Heating circuit, then the alloy foil sheet after cutting is immersed in cleaning solvent and soaked, then dries, obtains the heating
Part.
Wherein, cleaning solvent is methanol, ethanol, ethanol solution, acetone etc., by the metal fragment on alloy foil sheet or
Greasiness removal.
Preferably, the time that the alloy foil sheet soaks in the cleaning solvent is 10~20min, miscellaneous fully to remove
Matter.
After alloy foil sheet immersion, pull out, dry, the drying is small to place 1~3 under the conditions of being 250~300 DEG C in temperature
When.
Further, the process conditions of the high-temperature laminating are：Temperature is 250~300 DEG C, and pressure is 10~11MPa, is protected
It is 3~5 hours to press the time.High-temperature laminating can use hydraulic press to carry out.
Further, the graphene Electric radiant Heating Film after pressurize, which is naturally cooled at 60 DEG C, takes out, and cool time is small no less than 3
When.
Should under the conditions of after high-temperature laminating and subsequent treatment, closely connect between each layer, will not also be shelled at 600 DEG C
From function admirable.
The utility model additionally provides application of the above-mentioned graphene Electric radiant Heating Film in heating equipment.
The utility model additionally provides the equipment containing above-mentioned graphene Electric radiant Heating Film.As carbon crystal floor wall is warm, carbon fiber
Heat collector, electric heating picture, electric heating furnace, electric boiler, wall-mounted electrical heating stove, infrared radiation heater, electrical radiant heater, electric heating oil
Spit of fland, PTC warm-air driers, electric heating table, convection-type electric heater, electro-thermal membrane electric heater, the hot despot of high-temperature superconductor, European electric-heating oil radiator, electromagnetism are adopted
Radiator, intelligent hot water heat collector, electric blanket, quartz ampoule electric heater, accumulated electric heater, radiator, electric heater air energy, more work(
Energy air conditioner, heating wall-hanging furnace, intelligent electricity floor heating system, heating cable, temperature sensor and temperature controller etc..
Embodiment 1
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified corronil paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Heating circuit, then by after cutting resistor disc immerse cleaning solvent immersion 10min, then take out drain and in an oven with
250 DEG C of temperature is dried 2 hours；
(2) choose radial dimension be 30 μm, the graphene powder that thickness is 5nm be added in organosilicon adhesive disperse,
The dispersant that mass concentration is graphene powder absolute dry mass 2% is added, is dissociated and divided under 1500rpm rotating speed with ball mill
The graphene organosilicon gluing agent dispersing liquid that mass concentration is 5% is obtained after dissipating uniformly；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 6 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 15 μm, 5min is then dried at a temperature of 100 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer in outside, i.e., do not contacted directly with alloy foil sheet, high-temperature laminating, the technique of high-temperature laminating carried out using hydraulic press
Condition is：Temperature is 250 DEG C, pressure 10MPa, and the dwell time is 3 hours, and the graphene mica electro-thermal film after pressurize is in oil pressure
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in machine, that is, obtain graphene mica electro-thermal film.Wherein graphene is in electricity
The surface density on hotting mask surface is 7g/m2。
Mica electro-thermal film is prepared according to the method for the present embodiment, that is, removing the layer graphene of mica paper surface even application one has
Machine silica gel sticks the correlation step of agent dispersing liquid.
Graphene mica electro-thermal film made from embodiment 1 and mica electro-thermal film are subjected to infrared thermal imaging test, specific step
It is rapid as follows：
Test object：The mica electricity of mica electro-thermal film (rated voltage 220V, rated power 440W), surface spraying graphene
Hotting mask (rated voltage 220V, rated power 440W)
Tester：Luxuriant and rich with fragrance rel (FLIR) SC7300M infrared thermographies；
Testing procedure：
(1) infrared thermography is fixed with tripod, opens the related software on thermal imaging system and computer, it is right first
The temperature data of thermal imaging system is demarcated, and then sets relevant parameter, selects (this test of suitable temperature measurement range
Design temperature scope is 100~300 DEG C, and the smaller measurement accuracy of temperature range is higher)；
(2) mica electro-thermal film is vertically placed, is in 70~75 ° of angle with desktop, infrared thermography is apart from Electric radiant Heating Film
The distance at center is 115cm, connects power supply and opens infrared thermography mica electro-thermal film and tested, sets thermal imaging system
Shooting frame frequency be 25Hz；
(3) it is mica electro-thermal film is laterally disposed, it is in 70~75 ° of angle with desktop, infrared thermography is apart from Electric radiant Heating Film
The distance at center is 115cm, connects power supply and opens infrared thermography mica electro-thermal film and tested, sets thermal imaging system
Shooting frame frequency be 25Hz；
(4) method of testing of the same step of the mica electro-thermal film of surface spraying graphene (2) and step (3) is subjected to identical
Infrared thermal imaging is tested.
Concrete outcome is as shown in table 1-2.
The temperature value of the mica electro-thermal film that table 1 is vertically placed each temperature measuring point under the different operating time
| Time (s) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 10 | 82.88 | 83.89 | 82.03 | 82.03 | 83.89 | 81.50 | 82.20 | 84.72 |
| 20 | 131.27 | 135.89 | 134.24 | 134.24 | 137.31 | 135.22 | 136.07 | 135.89 |
| 30 | 161.74 | 171.70 | 167.10 | 168.82 | 172.22 | 170.15 | 172.43 | 168.61 |
| 40 | 179.79 | 195.46 | 191.06 | 190.60 | 195.82 | 193.94 | 196.58 | 190.49 |
| 50 | 190.38 | 210.80 | 207.34 | 205.91 | 210.60 | 209.77 | 212.21 | 204.13 |
| 60 | 196.73 | 219.75 | 215.79 | 214.59 | 220.29 | 220.52 | 221.73 | 212.84 |
| 70 | 201.28 | 224.70 | 219.32 | 219.59 | 226.01 | 227.05 | 227.16 | 217.78 |
The temperature value for graphene mica electro-thermal film each temperature measuring point under the different operating time that table 2 is vertically placed
| Time (s) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 10 | 109.02 | 109.11 | 105.57 | 107.33 | 108.22 | 107.58 | 109.90 | 109.15 |
| 20 | 165.92 | 169.71 | 165.83 | 168.11 | 169.81 | 169.51 | 170.92 | 168.81 |
| 30 | 203.27 | 208.70 | 204.36 | 206.96 | 209.42 | 210.58 | 210.62 | 206.26 |
| 40 | 229.82 | 233.49 | 228.62 | 230.99 | 233.81 | 235.97 | 235.04 | 229.50 |
| 50 | 235.18 | 236.68 | 242.26 | 241.22 | 233.94 | 236.46 | 235.70 | 237.78 |
| 60 | 237.61 | 237.73 | 242.53 | 241.23 | 235.94 | 236.76 | 236.69 | 237.79 |
| 70 | 239.94 | 239.03 | 242.68 | 241.22 | 237.94 | 237.48 | 237.68 | 237.78 |
From table 1~2 as can be seen that after heating is relatively stable, graphene mica electro-thermal film table provided by the utility model
Face temperature-difference is in the range of 5 DEG C, and the mica electro-thermal film surface temperature temperature difference is in the range of 30 DEG C.It can be seen that the utility model carries
The graphene mica electro-thermal film uniform heat distribution of confession, produce without heat spot, while heating rate is than the heating of mica electro-thermal film
Speed is significantly improved, and former 30s is calculated, and heating rate improves 23%.
Embodiment 2
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified corronil paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Heating circuit, then by after cutting resistor disc immerse cleaning solvent immersion 15min, then take out drain and in an oven with
280 DEG C of temperature is dried 1 hour；
(2) choose radial dimension be 40 μm, the graphene powder that thickness is 8nm be added in organosilicon adhesive disperse,
The dispersant that mass concentration is graphene powder absolute dry mass 3% is added, is dissociated and divided under 2000rpm rotating speed with ball mill
The graphene organosilicon gluing agent dispersing liquid that mass concentration is 8% is obtained after dissipating uniformly；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 6 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 10 μm, 5min is then dried at a temperature of 120 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer in outside, i.e., do not contacted directly with alloy foil sheet, high-temperature laminating, the technique of high-temperature laminating carried out using hydraulic press
Condition is：Temperature is 280 DEG C, pressure 10MPa, and the dwell time is 4 hours, and the graphene mica electro-thermal film after pressurize is in oil pressure
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in machine, that is, obtain graphene mica electro-thermal film.Wherein graphene is in electricity
The surface density on hotting mask surface is 6g/m2。
Experiment is found, after heating is relatively stable, graphene mica electro-thermal film surface temperature temperature provided by the utility model
Difference is in the range of 5 DEG C, and the obtained mica electro-thermal film surface temperature temperature difference is in the range of 30 DEG C under the same terms.It can be seen that this reality
Produced with the graphene mica electro-thermal film uniform heat distribution of new offer, without heat spot, while heating rate is than mica electric heating
The programming rate of film is significantly improved, and former 30s is calculated, and heating rate improves 20%.
Embodiment 3
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified corronil paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Heating circuit, then by after cutting resistor disc immerse cleaning solvent immersion 20min, then take out drain and in an oven with
300 DEG C of temperature is dried 1 hour；
(2) choose radial dimension be 20 μm, the graphene powder that thickness is 10nm be added in organosilicon adhesive disperse,
The dispersant that mass concentration is graphene powder absolute dry mass 1% is added, is dissociated and divided under 2000rpm rotating speed with ball mill
The graphene organosilicon gluing agent dispersing liquid that mass concentration is 5% is obtained after dissipating uniformly；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 4 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 10 μm, 5min is then dried at a temperature of 100 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer (do not contacted directly with alloy foil sheet) in outside, using hydraulic press carry out high-temperature laminating, the work of high-temperature laminating
Skill condition is：Temperature is 250 DEG C, pressure 10MPa, and the dwell time is 3 hours, and the graphene mica electro-thermal film after pressurize is in oil
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in press, that is, obtain graphene mica electro-thermal film.
After heating is relatively stable, the graphene mica electro-thermal film surface temperature temperature difference provided by the utility model is in 5 DEG C of models
In enclosing, and the obtained mica electro-thermal film surface temperature temperature difference is in the range of 30 DEG C under the same terms.It can be seen that the utility model provides
Graphene mica electro-thermal film uniform heat distribution, without heat spot produce, while heating rate than mica electro-thermal film heating speed
Degree is significantly improved, and former 30s is calculated, and heating rate improves 21%.
Embodiment 4
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified corronil paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Heating circuit, then by after cutting resistor disc immerse cleaning solvent immersion 15min, then take out drain and in an oven with
250 DEG C of temperature is dried 3 hours；
(2) choose radial dimension be 50 μm, the graphene powder that thickness is 1nm be added in organosilicon adhesive disperse,
The dispersant that mass concentration is graphene powder absolute dry mass 2% is added, is dissociated and divided under 2000rpm rotating speed with ball mill
The graphene organosilicon gluing agent dispersing liquid that mass concentration is 6% is obtained after dissipating uniformly；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 8 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 15 μm, 5min is then dried at a temperature of 150 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer (do not contacted directly with alloy foil sheet) in outside, using hydraulic press carry out high-temperature laminating, the work of high-temperature laminating
Skill condition is：Temperature is 300 DEG C, pressure 11MPa, and the dwell time is 5 hours, and the graphene mica electro-thermal film after pressurize is in oil
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in press, that is, obtain graphene mica electro-thermal film.
After heating is relatively stable, the graphene mica electro-thermal film surface temperature temperature difference provided by the utility model is in 8 DEG C of models
In enclosing, and the obtained mica electro-thermal film surface temperature temperature difference is in the range of 35 DEG C under the same terms.It can be seen that the utility model provides
Graphene mica electro-thermal film uniform heat distribution, without heat spot produce, while heating rate than mica electro-thermal film heating speed
Degree is significantly improved, and former 30s is calculated, and heating rate improves 20%.
Embodiment 5
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified corronil paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Heating circuit, then by after cutting resistor disc immerse cleaning solvent immersion 15min, then take out drain and in an oven with
280 DEG C of temperature is dried 1 hour；
(2) choose radial dimension be 25 μm, the graphene powder that thickness is 8nm be added in organosilicon adhesive disperse,
The dispersant that mass concentration is graphene powder absolute dry mass 5% is added, is dissociated and divided under 2000rpm rotating speed with ball mill
The graphene organosilicon gluing agent dispersing liquid that mass concentration is 7% is obtained after dissipating uniformly；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 7 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 20 μm, 8min is then dried at a temperature of 120 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer (do not contacted directly with alloy foil sheet) in outside, using hydraulic press carry out high-temperature laminating, the work of high-temperature laminating
Skill condition is：Temperature is 280 DEG C, pressure 10MPa, and the dwell time is 5 hours, and the graphene mica electro-thermal film after pressurize is in oil
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in press, that is, obtain graphene mica electro-thermal film.
After heating is relatively stable, the graphene mica electro-thermal film surface temperature temperature difference provided by the utility model is in 8 DEG C of models
In enclosing, and the obtained mica electro-thermal film surface temperature temperature difference is in the range of 35 DEG C under the same terms.It can be seen that the utility model provides
Graphene mica electro-thermal film uniform heat distribution, without heat spot produce, while heating rate than mica electro-thermal film heating speed
Degree is significantly improved, and former 30s is calculated, and heating rate improves 30%.
Embodiment 6
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified nichrome paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Heating circuit, then by after cutting resistor disc immerse cleaning solvent immersion 15min, then take out drain and in an oven with
280 DEG C of temperature is dried 1 hour；
(2) choose that radial dimension is 45 μm, the biomass graphene powder that thickness is 3nm is added in organosilicon adhesive
It is scattered, the dispersant that mass concentration is graphene powder absolute dry mass 8% is added, with ball mill under 2000rpm rotating speed
Dissociation obtains the graphene organosilicon gluing agent dispersing liquid that mass concentration is 10% after being uniformly dispersed；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 6 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 10 μm, 5min is then dried at a temperature of 120 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer (do not contacted directly with alloy foil sheet) in outside, using hydraulic press carry out high-temperature laminating, the work of high-temperature laminating
Skill condition is：Temperature is 280 DEG C, pressure 10MPa, and the dwell time is 4 hours, and the graphene mica electro-thermal film after pressurize is in oil
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in press, that is, obtain graphene mica electro-thermal film.
After heating is relatively stable, the graphene mica electro-thermal film surface temperature temperature difference provided by the utility model is in 8 DEG C of models
In enclosing, and the obtained mica electro-thermal film surface temperature temperature difference is in the range of 35 DEG C under the same terms.It can be seen that the utility model provides
Graphene mica electro-thermal film uniform heat distribution, without heat spot produce, while heating rate than mica electro-thermal film heating speed
Degree is significantly improved, and former 30s is calculated, and heating rate improves 25%.
Embodiment 7
Graphene mica electro-thermal film, is prepared by the following method：
(1) qualified stainless steel alloy paillon foil (0.02~0.03mm) will be examined to be cut on super CNC wirecutting machine
Into heating circuit, the resistor disc after cutting is then immersed into cleaning solvent immersion 15min, then take out drain and in an oven with
280 DEG C of temperature is dried 1 hour；
(2) choose radial dimension be 40 μm, the redox graphene powder that thickness is 7nm be added to organosilicon adhesive
In disperse, add mass concentration be graphene powder absolute dry mass 4% dispersant, with ball mill 2000rpm rotating speed
Lower dissociation obtains the graphene organosilicon gluing agent dispersing liquid that mass concentration is 7% after being uniformly dispersed；
(3) mica paper is cut into suitably sized and impregnates the glutinous agent of organic silica gel, 6 mother's Zhang Yun piles are then stacked in one
Rise, using spray gun in the layer graphene organosilicon gluing agent dispersing liquid of outermost mica paper surface even application one, coating thickness
For 10 μm, 5min is then dried at a temperature of 120 DEG C and obtains surface there is the mica substrate of graphene layer；
(4) mica substrate, alloy foil sheet, mica substrate the stacking placement for wiping organic silica gel and sticking agent, mica substrate will be applied
Graphene layer (do not contacted directly with alloy foil sheet) in outside, using hydraulic press carry out high-temperature laminating, the work of high-temperature laminating
Skill condition is：Temperature is 280 DEG C, pressure 10MPa, and the dwell time is 4 hours, and the graphene mica electro-thermal film after pressurize is in oil
Taken out when natural cooling is no less than 3 hours to less than 60 DEG C in press, that is, obtain graphene mica electro-thermal film.
After heating is relatively stable, the graphene mica electro-thermal film surface temperature temperature difference provided by the utility model is in 6 DEG C of models
In enclosing, and the obtained mica electro-thermal film surface temperature temperature difference is in the range of 33 DEG C under the same terms.It can be seen that the utility model provides
Graphene mica electro-thermal film uniform heat distribution, without heat spot produce, while heating rate than mica electro-thermal film heating speed
Degree is significantly improved, and former 30s is calculated, and heating rate improves 20%.
Embodiment 8
Graphene ceramic electrothermal film, is prepared by the following method：
Selection radial dimension is 35 μm, the graphene powder that thickness is 5nm is added in organosilicon adhesive and disperseed, then adds
Enter the dispersant that mass concentration is graphene powder absolute dry mass 2%, dissociated and disperseed under 1500rpm rotating speed with ball mill
The graphene organosilicon gluing agent dispersing liquid that mass concentration is 5% is obtained after even；
In the layer graphene organosilicon gluing agent dispersing liquid of surface even application one of ceramic substrate, coating thickness is 15 μm,
Then 5min is toasted at a temperature of 100 DEG C to obtain surface there is the mica substrate of graphene layer；
It will apply to wipe organic silica gel and stick ceramic substrate, alloy foil sheet, the ceramic substrate layer of agent and stack and put, wherein ceramic substrate
Graphene layer in outside, i.e., do not contact directly, press with alloy foil sheet, cooling obtains graphene ceramic electrothermal film.
After heating is relatively stable, the graphene ceramic electrothermal film surface temperature temperature difference provided by the utility model is in 5 DEG C of models
In enclosing, and the obtained ceramic electrothermal film surface temperature temperature difference is in the range of 20 DEG C under the same terms.It can be seen that the utility model provides
Graphene ceramic electrothermal film uniform heat distribution, without heat spot produce, while heating rate than ceramic electrothermal film heating speed
Degree is significantly improved, and former 30s is calculated, and heating rate improves 25%.
Although illustrate and describing the utility model with specific embodiment, but will be appreciated that without departing substantially from this reality
Many other change and modification can be made with the case of new spirit and scope.It is, therefore, intended that in appended power
Profit requires to include belonging to all such changes and modifications in the scope of the utility model.
Claims (9)
- A kind of 1. graphene Electric radiant Heating Film, it is characterised in that the graphene Electric radiant Heating Film include to it is lower and on set gradually substrate, Heat generating member, substrate, graphene layer.
- 2. graphene Electric radiant Heating Film according to claim 1, it is characterised in that the heat generating member is to be etched with heating circuit Alloy foil sheet, the alloy foil sheet are selected from stainless steel, aluminium, brass, corronil, nichrome.
- 3. graphene Electric radiant Heating Film according to claim 2, it is characterised in that the thickness of the alloy foil sheet be 0.02~ 0.03mm。
- 4. graphene Electric radiant Heating Film according to claim 1, it is characterised in that the substrate is mica substrate, the mica Substrate is crossed gummed paper stacking by multilayer mica and formed.
- 5. graphene Electric radiant Heating Film according to claim 4, it is characterised in that the mica substrate crosses glue by 4~8 stratus are female Pile is folded to be formed；The thickness that the mica crosses gummed paper is 0.2-0.4mm.
- 6. graphene Electric radiant Heating Film according to claim 1, it is characterised in that the graphene layer is graphene powder gluing Dry and be made after liquid spraying；Grapheme material in the graphene layer exists with powder, the radial ruler of graphene powder It is very little be 20~50 μm, thickness be 1~10nm.
- 7. graphene Electric radiant Heating Film according to claim 6, it is characterised in that the graphene is in the graphene Electric radiant Heating Film Surface density in surface is more than 0.5g/m2.
- 8. according to the graphene Electric radiant Heating Film described in claim any one of 1-7, it is characterised in that the thickness of the graphene layer is 10~20 μm.
- 9. the equipment containing the graphene Electric radiant Heating Film described in claim any one of 1-8.
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| CN108990187A (en) * | 2018-08-10 | 2018-12-11 | 四川大仁新创科技有限公司 | A kind of radiator that graphene is thermally conductive |
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| CN108990187A (en) * | 2018-08-10 | 2018-12-11 | 四川大仁新创科技有限公司 | A kind of radiator that graphene is thermally conductive |
| CN108990187B (en) * | 2018-08-10 | 2021-05-25 | 大连东方腾飞建筑装饰工程有限公司 | Heat radiator with graphene for heat conduction |
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| CN109587842A (en) * | 2018-11-08 | 2019-04-05 | 中国科学院山西煤炭化学研究所 | A kind of graphene-based self limiting temperature electric heating slurry and preparation method thereof and the application in electric heating floor system |
| TWI711055B (en) * | 2019-04-25 | 2020-11-21 | 國立虎尾科技大學 | High-voltage dielectric layer structure and manufacturing method thereof |
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| CN113249762A (en) * | 2021-05-28 | 2021-08-13 | 黑龙江科技大学 | Preparation method of graphene high-temperature heating aluminum plate |
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