CN104944415B - Method for preparing flake graphite and system thereof - Google Patents
Method for preparing flake graphite and system thereof Download PDFInfo
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- CN104944415B CN104944415B CN201410122837.3A CN201410122837A CN104944415B CN 104944415 B CN104944415 B CN 104944415B CN 201410122837 A CN201410122837 A CN 201410122837A CN 104944415 B CN104944415 B CN 104944415B
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Abstract
The invention discloses a method for preparing flake graphite. The method comprises the following steps: providing a first flake graphite, and adhering a first release base material and a second release base material on a first surface and a second surface of the first flake graphite; separating the first release base material and the second release base material along the first side of the first flake graphite, and separating the first flake graphite into a second flake graphite and a third flake graphite of uniform thickness; compacting the separated second flake graphite, and adhering a third release base material on the separation surface of the compacted second flake graphite; and separating the first release base material and the third release base material along the second side of the second flake graphite, and separating the second flake graphite into a fourth flake graphite and a fifth flake graphite of uniform thickness. According to the method for preparing flake graphite provided by the invention, the preparation time of the traditional flake graphite can be reduced, the preparation flow can be simplified, the cost is reduced, and the pollution is reduced.
Description
Technical field
The present invention relates to the preparation method and its system of a kind of graphite flake, more particularly to a kind of mechanical stripping formula prepares stone
The method and its system of ink sheet.
Background technology
In recent years, flourishing with science and technology, the service behaviour of electronic product is constantly elevated, and electronic product
Size it is also less and less, and the raising of the operating rate with electronic product and efficiency this also means that sending out for electronic product
Heat is increasing, therefore electronic product not only needs to be equipped with corresponding heat abstractor, it is also to be ensured that heat abstractor have it is excellent
Heat-sinking capability, in time to remove heat energy produced when electronic building brick inside electronic product works, thereby ensure that electronics
Product energy normal operation, and then the reliability enhanced product performance and the service life for extending product.
In this regard, graphite flake (Graphite Sheet) is because having the low-density characteristic relative to metal fin, and tool
There is high radiating/heat conduction, insulate the characteristics such as anticorrosive and low thermal resistance, become to help electronic product to realize quick dissipating at present
The preferred material of heat/heat conduction.Graphite flake can also vertically carry out heat conduction, particularly except carrying out heat conduction along level
Graphite flake is laminar structured, therefore more can be suitably used for the surface of any product, being beneficial to the work for reaching more preferably radiating/heat conduction
With.
However, in the preparation process of traditional graphite flake, generally first acidification must be carried out to natural graphite flakes
And continuous high temperature is calcined to produce fluffy of graphite, fluffy special time of graphite is then stood to move back warm taking-up.Afterwards,
Must also be by fluffy graphite flake for being rolled into predetermined thickness of graphite, to complete the preparation of graphite flake.It should be noted that in single
The preparation process of graphite flake, is only capable of obtaining a graphite flake, and such repeatable operation will take for substantial amounts of preparation time, and this will cause stone
The capacity efficiency of ink sheet cannot be improved.
The content of the invention
The present invention provides a kind of preparation method of graphite flake, and the preparation method of the graphite flake is comprised the following steps：There is provided
First graphite flake, wherein the first graphite flake has first surface and the second surface relative to first surface；Stick first respectively
And second release base material on first and second surface, wherein the first release base material is completely covered first surface, and second from
Type base material is completely covered second surface；First and second release base material is separated along the first side of the first graphite flake, by first
Graphite flake is separated into second and third graphite flake in uniform thickness；The second graphite flake after compacting separation；Stick the 3rd release base
The parting surface of material to the second graphite flake；And the second side separation first along the second graphite flake and the 3rd release base material, will
Second graphite flake is separated into the 4th and the 5th graphite flake in uniform thickness.
Further, stick respectively this first and the second release base material in this first and the second surface on step
Afterwards, may also include：Perform a sealing schedule, with along the first side melting this first and the second release base material, and cause
This first and the second release base material be bonded with each other, and then formed a composition surface, the wherein composition surface fully seals first side
Side；And formation one is open on the composition surface.
Further, along the first side of first graphite flake separate this first and the step of the second release base material
In, comprising：Apply pulling force in this first and the second release base material on so that the composition surface is split by the opening, and then along should
First graphite flake is from in uniform thickness 1 second and one the 3rd graphite flake by the first side of the first graphite flake.
Preferably, the sealing schedule pressurizes the first side for heat, with melting this first and the second release base material, and make
Must this first and the second release base material be bonded with each other along the first side, and then form the composition surface.
Preferably, the sealing schedule to the first side for after first pressurizeing, then carries out laser burning to the first side
Knot, with melting this first and the second release base material, and cause this first and the second release base material it is mutual along the first side
Engagement, and then form the composition surface.
On the other hand, the present invention provides a kind of preparation system of graphite flake, and the preparation system of the graphite flake includes gluing
Unit, separative element, presser unit and control unit.Sizing unit is to the first surface respectively at the first graphite flake and relatively
Stick first and second release base material on the second surface of first surface.Separative element is to separate first and second release base
Material, by the first graphite flake two second and third graphite flake in uniform thickness are separated into.After presser unit is to be compacted separate
Second or the 3rd graphite flake.Control unit be electrically connected with sizing unit, separative element and presser unit, and control unit to
The operating state of control sizing unit, separative element and presser unit.
In sum, the preparation method and its system of the graphite flake that the embodiment of the present invention is proposed, by the first graphite
Stick first and second release base material on the first surface and second surface of piece, and by first and second release base material of separation
So that the first graphite flake to be divided into two, also will the first graphite flake be separated into second and third graphite flake in uniform thickness, then
Stick the 3rd release base material in the parting surface of the second graphite flake, the release base material of separation afterwards first and the 3rd, by the second graphite
Piece is separated into the 4th and the 5th graphite flake in uniform thickness.Such repeatable operation, except during the preparation that can reduce conventional graphite piece
Between, can also simplify preparation flow.Additionally, the preparation method of graphite flake that proposed of the embodiment of the present invention and its system, can also be
Carry out under room temperature.Furthermore, the preparation method and its system of the graphite flake that the embodiment of the present invention is proposed also are not necessary to using costliness
Process apparatus, and via chemical treatment, and need not can reduce preparation cost and reduce environmental pollution.
To enable the feature and technology contents that are further understood that the present invention, refer to below in connection with the present invention specifically
Bright and accompanying drawing, but this explanation is only used for illustrating the present invention with accompanying drawing, rather than any limit is made to interest field of the invention
System.
Description of the drawings
Fig. 1 is the schematic diagram that two surfaces of the graphite flake according to the embodiment of the present invention attach release base material.
Fig. 2 is by detached schematic diagram according to the graphite flake of the embodiment of the present invention along first side.
Fig. 3 is the flow chart of the preparation method of the graphite flake according to the embodiment of the present invention.
Fig. 4 is the schematic diagram that two surfaces of the graphite flake according to another embodiment of the present invention are pasted with release base material.
Fig. 5 A are to carry out side according to the graphite flake for being pasted with release base material in two surfaces of another embodiment of the present invention to add
The schematic diagram of means of press seals.
Fig. 5 B are that the graphite flake according to Fig. 5 A performs the schematic diagram after sealing schedule.
Fig. 5 C are the schematic diagram that opening is formed on composition surface according to Fig. 5 B.
Fig. 5 D are the schematic diagram of the opening of the graphite flake according to Fig. 5 C.
Fig. 6 is the schematic diagram of the opening of the graphite flake according to another embodiment of the present invention.
Fig. 7 is the schematic diagram of the preparation system of the graphite flake according to the embodiment of the present invention.
【Description of reference numerals】
10、40：First graphite flake
10a：Second graphite flake
10b：3rd graphite flake
11a、41a：First release base material
11b、41b：Second release base material
12：First side
13：Composition surface
14、14a、64：Opening
X、Y、Z：End points
V1、V2：Vacuum attraction machine
L：Centrage
100：The preparation system of graphite flake
110：Control unit
120：Sizing unit
130：Separative element
140：Presser unit
S310～S360：Step
Specific embodiment
It is more fully described below in conjunction with accompanying drawing and represents various exemplary embodiments.However, concept of the present invention may be with
Many multi-forms are not read as pertaining only to exemplary embodiment set forth herein embodying.Specifically, there is provided this
It will be detailed and complete to plant exemplary embodiment and cause the present invention, and will fully pass on concept of the present invention to those skilled in the art
Category.In many accompanying drawings, the size and relative size in Ceng Ji areas can be exaggerated in order to understand.Similar numeral represents all the time class
Like component.
It should be understood that although herein various assemblies may be described using term first, second, third, etc., these groups
Part should not be limited by this term.This term is used for distinguishing a component with another component.Therefore, the first assembly being discussed herein below
Can be described as teaching of second component without departing from concept of the present invention.Term used herein " and/or " include it is associated
List any one and one or more all combinations in project.
Hereinafter, will be described with accompanying drawings multiple embodiments of the invention to describe the present invention in detail, and in accompanying drawing
Same numbers label may be used to represent similar component.
The embodiment one of the preparation method of graphite flake
Fig. 1 is refer to, Fig. 1 is the schematic diagram that two surfaces of the graphite flake according to the embodiment of the present invention attach release base material.
As shown in figure 1, the first surface (such as upper surface) of the first graphite flake 10 (being known as laminar structured) and relative to the first table
The second surface (such as lower surface) in face sticks respectively the first release base material 11a and the second release base material 11b.Further
Say, please with reference to Fig. 2, Fig. 2 is by detached schematic diagram according to the graphite flake of the embodiment of the present invention along first side.Such as Fig. 2
It is shown, adsorb the first release base material 11a and the second release base material 11b respectively using vacuum attraction machine V1 and vacuum attraction machine V2,
To separate the first release base material 11a and the second release base material 11b, and then the first graphite flake 10 is separated into into the second graphite flake
10a and the 3rd graphite flake 10b.After the first graphite flake is separated into the second graphite flake 10a and the 3rd graphite flake 10b, using rolling
The second graphite flake 10a or the 3rd graphite flake 10b after press rolling separation (not shown), is made with the graphite flake being compacted after separating
The piece interlayer distance of graphite flake diminishes, and reaches and closely overlaps between layers, then in the second graphite flake 10a or the 3rd graphite flake
The parting surface of 10b sticks the 3rd release base material (not shown), and vacuum attraction machine V1 and vacuum attraction machine V2 is reused afterwards, with
The second graphite flake 10a or the 3rd graphite flake 10b is separated for multiple graphite flakes.By the above-mentioned flow process of repeatable operation, the present invention is real
Applying the preparation method of the graphite flake that example is proposed can reduce the preparation time of graphite flake, and also can simplify preparation flow.
Next to be taught, be separately lift schema come further illustrate graphite flake preparation method operation principle with
Solution present invention.
Referring to Fig. 1, Fig. 2 and Fig. 3, Fig. 3 is the flow process of the preparation method of the graphite flake according to the embodiment of the present invention
Figure.As shown in figure 3, methods described comprises the steps.
Step S310：First graphite flake is provided.As shown in figure 1, the general stone that the first graphite flake 10 has for example, been compacted
Black paper.First graphite flake 10 can be flat shape, help radiate to be attached on electronic building brick.
Step S320：Stick first and second release base material respectively on first and second surface.In this step, first
Release base material 11a is completely covered the first surface (such as upper surface) of the first graphite flake 10, and the second release base material 11b complete
Cover the second surface (such as lower surface) of the first graphite flake 10.First release base material 11a and the second release base material 11b are, for example,
Release paper or plastic sheeting, material can be polrvinyl chloride (PVC), polyethylene terephthalate (PET), polyethylene (PE), poly-
Propylene (PP), cellulose family paper pulp or its complex.The first adhesion layer is coated with one surface of the first release base material 11a (not
Diagram), so as on the first surface for attaching to the first graphite flake 10, and it is coated with a surface of the second release base material 11b
Second adhesion layer (not shown), so as on the second surface for attaching to the first graphite flake 10, wherein the first adhesion layer and second glutinous
It is, for example, the adhesive agents such as silica gel or acryl glue layer.It is noted that the present embodiment is not intended to limit the first release base material 11a
And second release base material 11b or first and second adhesion layer pattern, cited material is only that the present embodiment is preferably selected,
Those of ordinary skill in the art should according to the knowledge in the field carry out the first release base material 11a and the second release base material 11b or
The material conversion of first and second adhesion layer.
Step S330：First and second release base material is separated along the first side of the first graphite flake, by the first graphite flake
It is separated into second and third graphite flake in uniform thickness.In this step, as shown in Figures 1 and 2, using vacuum attraction machine V1 and
The first release base material 11a and the second release base material 11b of vacuum attraction machine V2 absorbed portions, that is, along the first of the first graphite flake
Side 12, to adsorb the first release base material 11a and the second release base material 11b near the first side 12 of the first graphite flake 10
Partial surface area, is then pulled away from respectively vacuum attraction machine V1 and vacuum attraction machine V2, and the first graphite flake 10 is separated into into thickness
Spend uniform second graphite flake 10a and the 3rd graphite flake 10b.Further say, be pulled away from vacuum attraction machine V1 and vacuum attraction
It is described during machine V2 by the first graphite flake 10 to be separated into the second graphite flake 10a in uniform thickness and the 3rd graphite flake 10b
Vacuum attraction machine V1 and vacuum attraction machine V2 also arrange in pairs or groups a roller group (not shown), inhale to draw vacuum attraction machine V1 and vacuum
Draw machine V2, and then jointly the first graphite flake 10 is separated into into the second graphite flake 10a in uniform thickness and the 3rd graphite flake 10b.
It should be noted that because graphite flake is for laminar structured, so in step s 320, by by the first release base material 11a and the
Two release base material 11b stick respectively and are completely covered by first and second surface of the first graphite flake 10, and in step
In S330, using vacuum attraction machine V1 and vacuum attraction machine V2 absorption near the first graphite flake 10 first side 12 first from
The partial surface area of type base material 11a and the second release base material 11b, and vacuum attraction machine V1 and vacuum attraction machine V2 is pulled away from,
And the first graphite flake 10 can be separated into two graphite flake in uniform thickness (i.e. the second graphite flake 10a and the 3rd graphite flake 10b), its
In the second graphite flake 10a and the 3rd graphite flake 10b thickness it is close.Additionally, palpus one is mentioned that, after execution step S330,
By-product is had on the parting surface of the second graphite flake 10a and the 3rd graphite flake 10b and produces (for example, Graphene).Graphene is one
Kind transparent, good conductor, can be applied to transparent touch screen, tabula rasa, even in the manufacture of solaode.
Step S340：The second graphite flake after compacting separation.The density of the second graphite flake 10a after because of separation is not like first
The consolidation so of graphite flake 10, therefore the second graphite flake 10a after roller press rolling (not shown) need to be utilized to separate.It is noticeable
It is in another embodiment, the second graphite flake 10a after separating also can be compacted using hot press, the present embodiment is not intended to limit
It is compacted the possibility method of operation of the second graphite flake 10a.
Step S350：Stick the parting surface of the 3rd release base material to the second graphite flake.In this step, the 3rd release base material
(not shown) is completely covered the parting surface of the second graphite flake 10a.Additionally, the material of the 3rd release base material also can be with the first release base
Material 11a and the second release base material 11b are identical, for example, polrvinyl chloride (PVC), polyethylene terephthalate (PET), polyethylene
(PE), release paper or the plastic sheeting such as polypropylene (PP), cellulose family paper pulp or its complex, and the one of the 3rd release base material
The adhesive agents such as silica gel or acryl glue are coated with surface, so as on the parting surface for attaching to the second graphite flake 10a.Certainly, originally
Embodiment does not also limit the possibility pattern of the 3rd release base material and adhesive agent, aforementioned cited material be only the present embodiment compared with
Good selection.
Step S360：Second side separation first and the 3rd release base material along the second graphite flake, by the second graphite flake
It is separated into the 4th and the 5th graphite flake in uniform thickness.In this step, similarly, using vacuum attraction machine V1 and vacuum attraction
Second release base material 11b of machine V2 absorbed portions and the 3rd release base material (not shown), that is, along the side of the second graphite flake 10a
Side (i.e. described second side), to adsorb the second release base material 11b and the portion of the 3rd release base material near second side respectively
Divide surface area, and then the second graphite flake 10a is separated into into the 4th graphite flake (not shown) in uniform thickness and the 5th graphite flake
(not shown).
Furthermore, after execution step S360, one of ordinary skill in the art also can to the 4th graphite flake or
5th graphite flake performs similarly to the preparation flow of step S340～step S360, with further by the 4th graphite flake or the 5th
Graphite flake is divided into thinner multiple graphite flakes.So repeatedly step S340～step is performed similarly to the graphite flake after separation
The preparation flow of S360, then can generate the graphite flake of different-thickness, to do different applications.Therefore, the embodiment of the present invention is carried
The preparation method of the graphite flake for going out, the preparation time except reducing conventional graphite piece can also simplify preparation flow.Additionally, this
The preparation method of the graphite flake that inventive embodiments are proposed, because carrying out at normal temperatures and is not necessary to using expensive process apparatus,
Therefore reduce can preparation cost.Furthermore, the preparation method of the graphite flake that the embodiment of the present invention is proposed, due to without via chemistry
Process, therefore can also reduce pollution.
One need be mentioned that, in above-mentioned steps S340, in addition to carrying out compaction procedure to the second graphite flake 10a, may be used also
Carry out compaction procedure to the 3rd graphite flake 10b, and further to compacting after the 3rd graphite flake 10b execution steps S350～step
Rapid S360, further to produce more graphite flakes, that is, the present embodiment is not intended to limit and only performs step to the second graphite flake 10a
Rapid S340～step S360.
Here should be noted that, each step of the embodiment shown in Fig. 3 needs only for convenience of description, the embodiment of the present invention
Not using each step order to each other as the restrictive condition for implementing each embodiment of the invention.
The embodiment two of the preparation method of graphite flake
Fig. 4 is refer to, Fig. 4 is that two surfaces of the graphite flake according to another embodiment of the present invention are pasted with showing for release base material
It is intended to.In the present embodiment, from unlike above-mentioned Fig. 1 embodiments, first on two surfaces of the first graphite flake 40 is attached to
Release base material 41a and the second release base material 41b, not flushes in two sides of the first graphite flake 40, but protrudes from the first stone
A wherein side of ink sheet 40, whereby to perform above-mentioned steps S330 by mechanical arm or artificial mode, completes first
The separation of release base material 41a and the second release base material 41b.
In detail, the size of the first release base material 41a and the second release base material 41b is more than the first graphite flake 40.Therefore,
In step s 320, the first release base material 41a and the second release base material 41b attach to respectively the first of the first graphite flake 40 and
After on second surface (i.e. the upper and lower surface of the first graphite flake 40), the first release base material 41a and the second release base material 41b is protruded from
The same side (as shown in Figure 4) of the first graphite flake 40.Next, in step S330, the first release base material 41a and second from
Type base material 41b just can replace vacuum attraction machine V1 and vacuum attraction machine V2 using mechanical arm or artificial mode, to carry out
The separation of the first release base material 41a and the second release base material 41b, and then the first graphite flake 40 is separated into into two stone in uniform thickness
Ink sheet.Afterwards, to separation after S340～step S360 the step of at least a graphite flake performs successively Fig. 3 embodiments, to complete
The preparation of the graphite flake of different-thickness.
In the present embodiment, implement in above-mentioned Fig. 1～Fig. 3 with regard to the correlative detail of each step of the preparation method of graphite flake
Example is described in detail, be will not be described here.
The embodiment three of the preparation method of graphite flake
It is to be pasted with two surfaces according to another embodiment of the present invention referring to Fig. 5 A, Fig. 5 B and Fig. 5 C, Fig. 5 A
The graphite flake of release base material carries out the schematic diagram of side pressurization.Fig. 5 B are that the graphite flake according to Fig. 5 A performs sealing journey
Schematic diagram after sequence.Fig. 5 C are the schematic diagram that opening is formed on composition surface according to Fig. 5 B.In the present embodiment, with it is above-mentioned
Unlike Fig. 1 to Fig. 3 embodiments, after step S320 and before step S330, a sealing schedule must also be performed, with edge
First side 12 the melting first release base material 11a and the second release base material 11b of the first graphite flake 10, and cause the first release base
Material 11a and the second release base material 11b are bonded with each other, and then form a composition surface 13, and the composition surface 13 can fully seal
First side 12.Next, forming an opening 14 on composition surface 13.Thus, in step S330, being pulled away from vacuum attraction machine
During V1 and vacuum attraction machine V2, composition surface 13 will be caused to be split by opening 14, in turn result in the first graphite flake 10 along first side
12 are separated into the second graphite flake 10a in uniform thickness and the 3rd graphite flake 10b.
In detail, above-mentioned sealing schedule for example, utilizes a hot press or a hot roller press (not shown) to the first stone
The first side 12 of ink sheet 10 carries out hot pressing or heat rolling, causes the release base material 11a in the part first for being adjacent to first side 12
And second release base material 11b temperature raise, and cause the first release base material 11a and the second release base material 11b to produce melting phenomenon,
Thus the first release base material 11a and the second release base material 11b can be bonded with each other along first side 12, and then form the composition surface
13.It should be noted that in fact, the thickness of the first graphite flake 10 is in fact very thin, therefore in first to the first graphite flake 10
During side 12 carries out hot pressurization, the thickness positioned at the part graphite of the first side 12 of the first graphite flake 10 can become more
It is thin, thus after the first release base material 11a and the second release base material 11b are heated melting, just can produce Zygosis Phenomenon and seal
The first side 12 of one graphite flake 10.It is noted that in another embodiment, sealing schedule also may be, for example, using general
Action that roller press or other general pressuring machines are only first pressurizeed to the first side 12 of the first graphite flake 10 and not to first
Heated the first side 12 of graphite flake 10.And after the first side 12 of the first graphite flake 10 is pressurizeed, then with high temperature
Laser carries out laser sintered to first side 10, with the release base material 11a of melting first and the second release base material 11b, and causes the
One release base material 11a and the second release base material 11b are bonded with each other along first side 12, and then form the composition surface 13.
On the other hand, please with reference to Fig. 5 D, Fig. 5 D are the schematic diagram of the opening of the graphite flake according to Fig. 5 C.In this enforcement
In example, the mode of opening is formed on composition surface 13 can be, using laser machine a laser is sent, and via operation laser machine
To control laser along centrage L by end points X scores to end points Y, so that equal length is formed on composition surface 13 in first side
The opening 14a of 12 length.Consequently, it is possible in step S330, using vacuum attraction machine V1 and vacuum attraction machine V2 absorbed portions
The first release base material 11a and the second release base material 11b and be pulled away from vacuum attraction machine V1 and vacuum attraction machine V2 when, can make to connect
Conjunction face 13 is split by opening 14a, and causes the first graphite flake 10 to be separated into the second graphite in uniform thickness along first side 12
Piece 10a and the 3rd graphite flake 10b.
It should be noted that refer to Fig. 6, Fig. 6 is the signal of the opening of the graphite flake according to another embodiment of the present invention
Figure.In another embodiment, when composition surface 13 is streaked along centrage L using laser machine, only can be drawn to end points Z by end points X, with
Form the opening 64 that Opening length is shorter than opening 14a.In detail, due to the first graphite flake 10 be for laminar structured, therefore
Even if not forming as longer opening 64 such as the length of opening 14a, via vacuum attraction machine V1 and vacuum attraction machine V2 absorption the
One release base material 11a and the second release base material 11b and when being pulled away from vacuum attraction machine V1 and vacuum attraction machine V2, also can smoothly by
One graphite flake 10 is separated into the second graphite flake 10a in uniform thickness and the 3rd graphite flake 10b.
Next, just can to separation after the second graphite flake 10a or the 3rd graphite flake 10b perform as described in Fig. 3 embodiments
The step of S340 to step S360, to prepare more graphite flakes.In the present embodiment, with regard to the preparation method of graphite flake
The correlative detail of each step is described in detail in above-mentioned Fig. 1～Fig. 3 embodiments, be will not be described here.
One need be mentioned that, in another embodiment, as shown in figure 4, for the first graphite flake 40 be protruding with first from
The side of type base material 41a and the second release base material 41b, one of ordinary skill in the art also can be to first graphite flake 40
Side performs above-mentioned sealing schedule, to seal the side of first graphite flake 40, then the first graphite after sealed
The opening as shown in Fig. 5 C embodiments is formed in the edge surface of piece 40.
The embodiment one of the preparation system of graphite flake
Referring to the signal of the preparation system that Fig. 1 to Fig. 3 and Fig. 7, Fig. 7 are the graphite flake according to the embodiment of the present invention
Figure.The preparation system 100 of graphite flake includes control unit 110, sizing unit 120, separative element 130 and presser unit 140.Control
Unit processed 110 is electrically connected with sizing unit 120, separative element 130 and presser unit 140, and control unit 110 to
The running status of control sizing unit 120, separative element 130 and presser unit 140, control unit 110 is, for example, computer dress
Put.
Sizing unit 120 is to the first surface and the second surface relative to first surface respectively at the first graphite flake 10
On stick the first release base material 11a and the second release base material 11b.Separative element 130 is to separate the first release base material 11a and
Two release base material 11b, by the first graphite flake 10 two second graphite flake 10a in uniform thickness and the 3rd graphite flake 10b are separated into,
Wherein vacuum attraction machine V1 and vacuum attraction machine V2 of the separative element 130 comprising such as previous embodiment, release to separate first
Base material 11a and the second release base material 11b.Presser unit 140 is to be compacted the second graphite flake 10a or the 3rd graphite flake after separating
10b, wherein presser unit 140 are, for example, the roller press or hot press of previous embodiment.
It should be noted that the possible embodiment of the preparation system with regard to graphite flake, is those of ordinary skill in the art
Can easily deduce according to above-mentioned Fig. 1～Fig. 4 embodiments, therefore will not be described here.
In sum, the preparation method and its system of the graphite flake that the embodiment of the present invention is proposed, except tradition can be reduced
The preparation time of graphite flake, can also simplify preparation flow, and compared to traditional process for preparing graphite flake, the graphite flake
Preparation method and its system can carry out at normal temperatures, and be not necessary to using expensive process apparatus, also need not be via chemistry at
Reason, and reduce can preparation cost and reduce pollution.
Above-mentioned disclosed accompanying drawing and explanation, only embodiments of the invention, it is any not for limiting the present invention
Those skilled in the art, it is therefore every according to the present patent application patent when various changes and retouching can be done according to above-mentioned explanation
Simple equivalence changes that scope and invention description content are made and modification, all still belong within the scope of patent of the present invention covers.
Claims (9)
1. a kind of preparation method of graphite flake, it is characterised in that include：
One first graphite flake is provided, wherein first graphite flake has a first surface and relative to the one second of the first surface
Surface；
Stick respectively one first and one second release base material in this first and the second surface on, wherein the first release base material is complete
The all standing first surface, and the second release base material is completely covered the second surface；
Perform a sealing schedule, with along a first side melting of first graphite flake this first and the second release base material, and
So that this first and the second release base material be bonded with each other, and then form a composition surface, wherein the composition surface fully seal this
One side；
Form one on the composition surface to be open；And
Along the first side separate this first and the second release base material, first graphite flake is separated into in uniform thickness one
Second and one the 3rd graphite flake.
2. the preparation method of graphite flake as claimed in claim 1, it is characterised in that along first side of first graphite flake
While separate this first and the step of the second release base material in, comprising：
Apply pulling force in this first and the second release base material on so that the composition surface is split by the opening, so along this first
First graphite flake is separated in uniform thickness 1 second and one the 3rd graphite flake by the first side of graphite flake.
3. the preparation method of graphite flake as claimed in claim 1, it is characterised in that the sealing schedule pressurizes first side for heat
Side, with melting this first and the second release base material, and cause this first and the second release base material it is mutual along the first side
Engagement, and then form the composition surface.
4. the preparation method of graphite flake as claimed in claim 1, it is characterised in that the sealing schedule is first to the first side
After being pressurizeed, then the first side is carried out it is laser sintered, with melting this first and the second release base material, and cause this
One and the second release base material be bonded with each other along the first side, and then form the composition surface.
5. the preparation method of graphite flake as claimed in claim 1, it is characterised in that also include：
Second graphite flake after compacting separation；
Stick a parting surface of one the 3rd release base material to second graphite flake；And
Along a second side of second graphite flake separate this first and the 3rd release base material, second graphite flake is separated
For in uniform thickness 1 the 4th and one the 5th graphite flake.
6. the preparation method of graphite flake as claimed in claim 1, it is characterised in that this first and second release base material difference
Protrude from the first side of first graphite flake.
7. the preparation method of graphite flake as claimed in claim 1, it is characterised in that the first release base material and the first surface
Between have one first adhesion layer, between the second release base material and the first surface have one second adhesion layer.
8. the preparation method of graphite flake as claimed in claim 1, it is characterised in that also include：
Multiple vacuum attraction machines are provided, with adsorb respectively this first and the second release base material.
9. a kind of preparation system of graphite flake, it is characterised in that include：
One sizing unit, one second table to a first surface respectively in one first graphite flake and relative to the first surface
Stick one first and one second release base material on face；
One separative element, to separate this first and the second release base material, first graphite flake is separated into into two thickness equal
One second and one the 3rd even graphite flake；
One presser unit, to be compacted after separating this second or the 3rd graphite flake；And
One control unit, is electrically connected with the sizing unit, the separative element and the presser unit, the control unit claim
Preparation method in 1 controls the working condition of the sizing unit, the separative element and the presser unit.
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| CN201410122837.3A CN104944415B (en) | 2014-03-28 | 2014-03-28 | Method for preparing flake graphite and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410122837.3A CN104944415B (en) | 2014-03-28 | 2014-03-28 | Method for preparing flake graphite and system thereof |
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| CN104944415B true CN104944415B (en) | 2017-05-10 |
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| CN106395813B (en) * | 2016-08-31 | 2019-02-01 | 无锡东恒新能源科技有限公司 | A kind of monocrystal graphite material prepares purifying plant |
| CN106283184B (en) * | 2016-08-31 | 2018-09-04 | 无锡东恒新能源科技有限公司 | A kind of monocrystal graphite material preparation facilities |
| CN106430176B (en) * | 2016-08-31 | 2018-10-26 | 无锡东恒新能源科技有限公司 | A kind of graphite material thin thickness paving pressing molding device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428787A (en) * | 2007-11-09 | 2009-05-13 | 揖斐电株式会社 | Carbon-based composite member and producing method thereof |
| CN103466601A (en) * | 2012-06-07 | 2013-12-25 | 嘉兴中易碳素科技有限公司 | Production process for graphite film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6667100B2 (en) * | 2002-05-13 | 2003-12-23 | Egc Enterprises, Inc. | Ultra-thin flexible expanded graphite heating element |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428787A (en) * | 2007-11-09 | 2009-05-13 | 揖斐电株式会社 | Carbon-based composite member and producing method thereof |
| CN103466601A (en) * | 2012-06-07 | 2013-12-25 | 嘉兴中易碳素科技有限公司 | Production process for graphite film |
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Effective date of registration: 20180208 Address after: Taiwan New Taipei city forest region Chinese Hing Street 15, No. 1 (3 floor) Patentee after: Gold carbon clean Limited by Share Ltd Address before: Taipei City, Taiwan, China Patentee before: Lin Youfu |
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