CN108248120A - Graphene composite heating film - Google Patents
Graphene composite heating film Download PDFInfo
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- CN108248120A CN108248120A CN201711485695.7A CN201711485695A CN108248120A CN 108248120 A CN108248120 A CN 108248120A CN 201711485695 A CN201711485695 A CN 201711485695A CN 108248120 A CN108248120 A CN 108248120A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/045—Slitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
Abstract
The present invention provides a kind of graphene composite heating film, including：Graphene heating film；First insulating film and the second insulating film, the graphene heating film are set between first insulating film and the second insulating film；And terminal, the terminal are set in graphene heating film.The present invention also provides a kind of methods for preparing graphene composite heating film.Graphene composite heating film provided by the invention has excellent thermal conductivity, while has preferable intensity, and folding, bending resistance can clean, and is applicable in as wearing heating material.
Description
Technical field
The present invention relates to heating film production fields, and in particular to a kind of graphene composite heating film.
Background technology
Existing heating film generally use is opaque multi-layer graphene heating film or graphene transparent heating film, multilayer
Graphene heating film can be designed to different figures, and graphene transparent heating film has larger specific surface area, can be uniformly fast
Speed heat transfer, but limit by graphene sheet as atomic layer material, and conducting wire, which also needs to be aided with silver paste, to be realized, and the cost of silver paste
Sufficiently expensive, graphene heating film is as short and small frivolous material, and intensity is weaker, rapid wear easy to break when some occasions use, this is specially
It is sharp then be mainly to introduce a kind of to there is preferable intensity, graphene composite heating film resistant to bending on the basis of two kinds of materials.
The content of background technology part is only the technology that inventor is known, not the existing skill of natural representative this field
Art.
Invention content
For the prior art there are one or more of problem, the present invention provides a kind of graphene composite heating film, packet
It includes：
Graphene heating film；
First insulating film and the second insulating film, the graphene heating film are set to first insulating film and the second insulation
Between film；With
Terminal, the terminal are set in graphene heating film.
According to an aspect of the present invention, above-mentioned graphene composite heating film further includes：
First graphene layer is arranged between first insulating film and the graphene heating film.
According to an aspect of the present invention, above-mentioned graphene composite heating film further includes：
Second graphene layer is arranged between second insulating film and the graphene heating film.
According to an aspect of the present invention, first insulating film and the second insulating film are excellent using polyimide material
The thickness of selection of land, first insulating film and the second insulating film is 5-25um.
According to an aspect of the present invention, the graphene composite heating film further includes the first adhesive layer and second and bonds
Layer, first adhesive layer are set between first insulating film and the first graphene layer, and second adhesive layer is set to
Between second insulating film and the second graphene layer；Preferably, the thickness of first adhesive layer and the second adhesive layer is
10-25um。
According to an aspect of the present invention, the graphene heating film is the overlapping of multi-layer graphene, and the graphene adds
The thickness of hotting mask is 20-50um；Preferably, the graphene heating film has certain shape, the multi-layer graphene for overlapping
Graphically form.
According to an aspect of the present invention, the shape of the graphene heating film is rectangular-ambulatory-plane, U-shaped or bow font knot
Structure.
According to an aspect of the present invention, first graphene layer and the second graphene layer are single-layer graphene or multilayer
The overlapping of graphene；Preferably single-layer graphene.
In another aspect of this invention, the preparation method of above-mentioned graphene composite heating film includes：
Multi-layer graphene is taken to overlap and carries out graphical treatment, forms the graphene heating film of certain figure；
Transfer is taken to have the insulating film of graphene, individual insulating film, by the two sides of the graphene heating film of graphical treatment
There are the insulating film of graphene and individual insulating film to be bonded with the transfer respectively, form insulating film/graphene/graphene heating
The structure of film/insulating film；With making terminal.
In another aspect of this invention, the preparation method of above-mentioned graphene composite heating film includes：
Multi-layer graphene is taken to overlap and carries out graphical treatment, forms the graphene heating film of certain figure；
Two panels transfer is taken to have the insulating film of graphene, the two sides of the graphene heating film of graphical treatment is bonded one respectively
Transfer has the insulating film of graphene described in piece, forms the knot of insulating film/graphene/graphene heating film/graphene/insulating film
Structure；With making terminal.
According to an aspect of the present invention, above-mentioned transfer has the method shifted in the preparation method of the insulating film of graphene to adopt
With heat release adhesive tape transfer method or electrostatic transfer method.
According to an aspect of the present invention, the graphic processing method is punched using write-through laser ablation method or cutting die
Method.
According to an aspect of the present invention, the fitting uses Heat artificially iron plate pressure sintering, pressure transmission machine pressing method or fast
Press presses method.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is applied together for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of graphene composite heating film prepared according to one embodiment of present invention；
Fig. 2 is the schematic diagram of patterned graphene heating film according to an embodiment of the invention；
Fig. 3 is the schematic diagram of patterned graphene heating film according to an embodiment of the invention；
Fig. 4 is the decomposition diagram of graphene composite heating film prepared according to one embodiment of present invention；
Fig. 5 is the schematic diagram of patterned graphene heating film according to an embodiment of the invention；
Fig. 6 is the decomposition diagram of graphene composite heating film prepared according to one embodiment of present invention.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be changed by various different modes.
Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
In the description of the present invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " go up ", " under ", " preceding ", " afterwards ", " left side ", " right side ", " heavily fortified point, and directly ", " level ", " top ", " bottom ", " is interior ", " outside ", "
Wait ", " counterclockwise " orientation of instructions clockwise or position relationship be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, and it is not intended that instruction or hint relative importance or the implicit number for indicating indicated technical characteristic
Amount." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes one or more spy
Sign.In the description of the present invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected:It can
To be mechanical connection or electrical connection or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of connection inside two elements or two elements.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature its " upper " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " right over second feature and oblique upper or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that preferred reality described herein
It applies example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
In the first embodiment of the present invention, a kind of graphene composite heating film 10 is provided, as shown in Figure 1, graphite
Alkene composite heating film 10 includes：First insulating film 1, the first adhesive layer 2, the first graphene layer 3, graphene heating film 4, the second stone
Black alkene layer 5, the second adhesive layer 6, the second insulating film 7 and the terminal 8 being arranged in graphene heating film 4.First insulating film 1
The outside of the graphene composite heating film 10 is arranged on the second insulating film 7, available for protecting the other materials of its inside, the
The thickness of one insulating film 1 and the second insulating film 7 is 5-25um, such as：5um、7um、9um、11um、13um、15um、17um、
19um, 21um, 23um, 25um, etc..First adhesive layer 2 can be used for bonding the first graphene layer 3 and the first insulating film 1, and second is viscous
Knot layer 6 can be used for bonding the second graphene layer 5 and the second insulating film 7, it will be appreciated by those skilled in the art that described first bonds
2 and second adhesive layer 6 of layer can be not present, the first graphene layer 3 and the first insulating film, the second graphene layer 5 and the second insulation
Film 7 can be in direct contact to connect, and can also be connected by other means.First adhesive layer 2 and the second adhesive layer 6 can be by
Adhesive-layer made of Ya Like double faced adhesive tapes, silica gel double faced adhesive tape, EVA hot-melt adhesive, TPU hot melt adhesive or retardation PES hot melt adhesive etc., thickness are
10-25um, such as：10um, 12um, 14um, 16um, 18um, 20um, 22um, 24um, 25um, etc..First graphene layer, 3 He
Second graphene layer 5 can be used for conducting the heat that graphene heating film 4 generates in graphene composite heating film 10, can be
The overlapping of one or more layers graphene, in a preferred embodiment of the invention, the first graphene layer 3 and the second graphene layer
5 be single-layer graphene.It will be appreciated by those skilled in the art that the first graphene layer 3 and the second graphene layer 5 can not also be deposited
The first insulating film 1 and/or the second insulating film 7 can be in direct contact connection with graphene heating film 4, can also pass through bonding
Layer connection connects by other means, and the heat that graphene heating film 4 generates can also be conducted by itself, these
Deformation is all within protection scope of the present invention.Graphene heating film 4 can be the overlapping of single-layer or multi-layer graphene, in this hair
In a bright preferred embodiment, graphene heating film 4 is the overlapping of the multi-layer graphene by graphical treatment, is had certain
Shape, such as (detailed construction of patterned graphene heating film will retouch below for rectangular-ambulatory-plane, U-shaped or bow character form structure etc.
State), the thickness of the multi-layer graphene film is 20-50um, such as：20um、22um、24um、26um、28um、30um、32um、
34um, 36um, 38um, 40um, 42um, 44um, 46um, 48um, 50um, etc..Terminal 8 is provided in graphene heating film 4,
For connecting power supply.The terminal 8 can select silver paste or copper, can be arranged on graphene heating film 4 by the method for wet print
On, the thickness that terminal 8 prints is 4-8 μm, such as：4 μm, 4.5 μm, 5 μm, 5.5 μm, 6 μm, 6.5 μm, 7 μm, 7.5 μm, 8 μm,
Deng；Roasting mode may be used after printing terminal 8 or curing mode that IR baking ovens are baked.Method that can also be by directly beating terminal
Make terminal 8.Terminal 8 can be arbitrary shape.
Graphene heating film 4 can be patterned into arbitrary structure, according to a preferred embodiment of the present invention, as Fig. 2,
Shown in 3 and 5, graphene heating film 4 can be patterned to rectangular-ambulatory-plane, U-shaped and the structure for bending font, public affairs according to the present invention
It opens, it will be appreciated by those skilled in the art that graphene heating film 4 can also be patterned to other structures, these deformations are all
Within protection scope of the present invention.As shown in Fig. 2,3 and 5, when graphene heating film 4 is patterned to different structures,
Terminal 8 can be set at two endpoints of patterned graphene heating film, and the terminal 8 can be arbitrary shape, can
To make terminal 8 by way of printing silver paste or copper slurry, directly terminal 8 can also be made by beating the method for terminal.According to most
The heating demands of graphene composite heating film being prepared eventually, can set the spacing between patterned graphene accordingly.
In second embodiment of the present invention, a kind of method for preparing graphene composite heating film is provided, including：
Multi-layer graphene is taken to overlap and carries out graphical treatment, forms the graphene heating film of certain figure；
Transfer is taken to have the insulating film of graphene, individual insulating film, by the two sides of the graphene heating film of graphical treatment
There are the insulating film of graphene and individual insulating film to be bonded with the transfer respectively, form insulating film/graphene/graphene heating
The structure of film/insulating film；With
Make terminal.
In third embodiment of the present invention, another method for preparing graphene composite heating film is provided, including：
Multi-layer graphene is taken to overlap and carries out graphical treatment, forms the graphene heating film of certain figure；
Two panels transfer is taken to have the insulating film of graphene, the two sides of the graphene heating film of graphical treatment is bonded one respectively
Transfer has the insulating film of graphene described in piece, forms the knot of insulating film/graphene/graphene heating film/graphene/insulating film
Structure；With making terminal.
According to a preferred embodiment of the present invention, directly by the method for beating terminal or conductor area print silver can connect
Slurry or copper slurry etc., then again in silver paste region terminal.
According to a preferred embodiment of the present invention, the preparation method of insulating film for having graphene that shifts can be：
Insulating film with adhesive layer and the growth substrates for having grown graphene are pressed；Insulating film/the bonding got togather with decompression
Layer/graphene/growth substrates perform etching, and remove growth substrates, you can obtaining transfer has the insulating film of graphene.It is wherein described
Heat release adhesive tape transfer method or electrostatic transfer method can be used in the method for transfer；The materials such as metallic copper may be used in growth substrates,
The insulating film that adhesive layer can not used is shifted.It should be understood by those skilled in the art that other modes can also be used to obtain
The insulating film of graphene must be shifted, these deformations are all within protection scope of the present invention.
According to a preferred embodiment of the present invention, the graphic processing method can be used write-through laser ablation method or
Cutting die is punched method.
According to a preferred embodiment of the present invention, Heat artificially iron plate pressure sintering, pressure transmission machine pressure can be used in the fitting
Legal or fast press presses method.
According to a preferred embodiment of the present invention, the two sides of the graphene heating film of the graphical treatment respectively with
Before the second graphene layer fitting on the first graphene layer and the second insulating film or the second insulating film on first insulating film,
Graphene heating film and insulating film need the position of external lead wire to be aligned, it is ensured that insulating film will not will connect wire locations lid
Firmly, it is then bonded again.After the completion of fitting, terminal is made, lead is made to pass through terminal and is overlapped with graphene heating film, has been formed
Whole graphene composite heating film.
Graphene layer and patterned graphene heating film and insulating film are combined by the present invention, form insulating film and figure
The Electric radiant Heating Film of shape graphite alkene heating film and the composite structure of graphene layer.The present invention is using graphene as heat-conducting layer material
Material, graphene have larger surface area, the excellent capacity of heat transmission, but when being processed due to composite membrane, need to graphene film into
The processing such as row overlapping, patterning etching, in practical production process, it was found by the inventors of the present invention that the branch as graphene
The performance of support body (or claim carrier film) has certain shadow to the heat production performance of the graphene in the composite membrane that finally processes
It rings.Inventor has found, when selecting by the use of polyimides as insulating film, has preferable intensity, multi-layer graphene can be processed
Into figure.At this point, using two layers of single-layer graphene by patterned multi-layer graphene packet in intermediate design, on the one hand, figure
The multi-layer graphene of change is according to different Product Terminal purposes, is designed to different sizes, shape, figure, multi-layer graphene
Conducting wire with product is connected by terminal, realizes electrified regulation, on the other hand, the effect of single-layer graphene utilizes graphene
Good thermal conductivity, assist multi-layer graphene be powered after the heat that generates leading on entire product evenly.The present invention is compound
Heating film product can realize good thermal conductivity and composite membrane is made to have preferable intensity, folding, and bending resistance can clean,
It is applicable in as wearing heating material.
Also, another ingenious part of the present invention is, thin using the copper foil after CVD growth graphene and the polyimides with glue
Membrane pressure close after, copper foil and Kapton are combined by adhesive, then by copper foil etch remove, realize single-layer graphene and
Polyimides combines, and the intermediate products of this CVD transfers are the preparation that can be applied to composite membrane of the present invention, can not only improve life
Efficiency is produced, also reduces in graphene transfer process to the influence of graphene, more effectively improves yield rate.
Embodiment 1
The preparation of the graphene composite heating film of the present invention：
1) copper foil with glue polyimide film and long good graphene is pressed, the good graphene of transforming growth to polyamides
In imines film；
2) polyimide film/glue/single-layer graphene pressed/copper is etched, doping, cleaning air-dries；
3) polyimide film/glue/graphene air-dried is placed upward, multi-layer graphene film pattern is made back
Font (as shown in Figure 2) is transferred to above the graphene of polyimide film/glue/graphene；
4) polyimide film/glue/single-layer graphene of another reserved wire guide is covered on multi-layer graphene film；
5) by the folded polyimide film/glue/graphene/multi-layer graphene/graphene/glue/polyimide film hot pressing prepared
It closes；
6) lead is beaten into terminal by printing silver paste by reserved wire guide and multi-layer graphene and connect fixation, formation graphene
Composite heating film, as shown in Figure 1.
Embodiment 2
The preparation of the graphene composite heating film of the present invention：
1) with glue polyimide film and it the copper foil of graphene will have been grown press, the good graphene of transforming growth is to poly-
On acid imide film；
2) polyimide film/glue/single-layer graphene pressed/copper is etched, doping, cleaning air-dries；
3) multi-layer graphene is patterned processing, makes U-shaped, as shown in Figure 3；
4) polyimide film/glue/single-layer graphene air-dried is placed upward, by multi-layer graphene film transfer to individual layer
Above graphene；
5) polyimide film/glue/single-layer graphene of another reserved wire guide is covered on multi-layer graphene film；
6) polyimide film/glue/single-layer graphene/patterned multilevel graphene/single-layer graphene/glue prepared folded/
Polyimide film hot pressing；
7) small pieces are cut into, are consolidated conducting wire by printing silver paste and beating terminal and connect with multi-layer graphene film by reserved wire guide
It is fixed, graphene composite heating film is formed, as shown in Figure 4.
Embodiment 3
The preparation method of the graphene composite heating film of the present invention：
1) copper foil with glue polyimide film and long good graphene is pressed, the good graphene of transforming growth to polyamides
In imines film；
2) polyimide film/glue/graphene pressed/copper is etched, doping, cleaning air-dries；
3) multi-layer graphene is patterned processing, makes bow font (or snakelike) shape, as shown in Figure 5；
4) polyimide film/glue/graphene is placed upward, multi-layer graphene film is placed on graphene layer；
5) polyimide film/glue/graphene of reserved wire guide is covered on patterned Multi-layer graphite film；
6) it is the folded polyimide film/glue/graphene/patterned multilevel graphene film/graphene/glue/polyamides prepared is sub-
Amine film hot pressing；
7) conducting wire and multi-layer graphene film are beaten by printing silver paste by terminal by reserved wire guide and connect fixation, formation graphite
Alkene composite heating film, as shown in Figure 6.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of graphene composite heating film, which is characterized in that including：
Graphene heating film；
First insulating film and the second insulating film, the graphene heating film be set to first insulating film and the second insulating film it
Between；
Terminal, the terminal are set in graphene heating film.
2. graphene composite heating film according to claim 1, which is characterized in that further include：
First graphene layer is arranged between first insulating film and the graphene heating film.
3. graphene composite heating film according to claim 1 or 2, which is characterized in that further include：
Second graphene layer is arranged between second insulating film and the graphene heating film.
4. graphene composite heating film according to any one of claim 1-3, which is characterized in that first insulating film
Polyimide material is used with the second insulating film, it is preferable that the thickness of first insulating film and the second insulating film is 5-
25um。
5. graphene composite heating film according to claim 4, which is characterized in that the graphene composite heating film also wraps
Include the first adhesive layer and the second adhesive layer, first adhesive layer be set to first insulating film and the first graphene layer it
Between, second adhesive layer is set between second insulating film and the second graphene layer；Preferably, first adhesive layer
Thickness with the second adhesive layer is 10-25um.
6. graphene composite heating film according to any one of claims 1-5, which is characterized in that the graphene heating
Film is the overlapping of multi-layer graphene, and the thickness of the graphene heating film is 20-50um；Preferably, the graphene heating film
With certain shape, the multi-layer graphene for overlapping graphically forms；Preferably, the shape of the graphene heating film is back
Font, U-shaped or bow character form structure.
7. the graphene composite heating film according to any one of claim 1-6, which is characterized in that first graphene
The overlapping of layer and the second graphene layer for single-layer graphene or multi-layer graphene；Preferably single-layer graphene.
8. the preparation method of the graphene composite heating film described in any one of claim 1-7, which is characterized in that including：
Multi-layer graphene is taken to overlap and carries out graphical treatment, forms the graphene heating film of certain figure；
Transfer is taken to have the insulating film of graphene, individual insulating film, the two sides of the graphene heating film of graphical treatment is distinguished
There are the insulating film of graphene and individual insulating film to be bonded with the transfer, formation insulating film/graphene/graphene heating film/
The structure of insulating film；With
Make terminal.
9. the preparation method of the graphene composite heating film described in any one of claim 1-7, which is characterized in that including：
Multi-layer graphene is taken to overlap and carries out graphical treatment, forms the graphene heating film of certain figure；
Two panels transfer is taken to have the insulating film of graphene, the two sides of the graphene heating film of graphical treatment is bonded a piece of institute respectively
Stating transfer has the insulating film of graphene, forms the structure of insulating film/graphene/graphene heating film/graphene/insulating film；With
Make terminal.
10. the preparation method of graphene composite heating film according to claim 8 or claim 9, which is characterized in that the transfer has
The method shifted in the preparation method of the insulating film of graphene is using heat release adhesive tape transfer method or electrostatic transfer method；
And/or the graphic processing method is using write-through laser ablation method or cutting die punching method；
And/or the fitting is using Heat artificially iron plate pressure sintering, pressure transmission machine pressing method or fast press pressing method.
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| CN110111930A (en) * | 2019-05-30 | 2019-08-09 | 王奉瑾 | A kind of graphene conductive structural body |
| CN111609454A (en) * | 2020-05-08 | 2020-09-01 | 安徽宇航派蒙健康科技股份有限公司 | Electric heating picture and preparation method thereof |
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