CN104944415A - Method for preparing flake graphite and system thereof - Google Patents
Method for preparing flake graphite and system thereof Download PDFInfo
- Publication number
- CN104944415A CN104944415A CN201410122837.3A CN201410122837A CN104944415A CN 104944415 A CN104944415 A CN 104944415A CN 201410122837 A CN201410122837 A CN 201410122837A CN 104944415 A CN104944415 A CN 104944415A
- Authority
- CN
- China
- Prior art keywords
- graphite flake
- base material
- release base
- preparation
- separated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
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 a kind of preparation method and system thereof of graphite flake, particularly relate to method and system thereof that a kind of mechanically peel formula prepares graphite flake.
Background technology
In recent years, flourish along with science and technology, the serviceability of electronic product is constantly promoted, and the size of electronic product is also more and more less, and along with the working speed of electronic product and the raising of efficiency, this also means that the thermal value of electronic product is increasing, therefore electronic product not only needs to be equipped with corresponding heat abstractor, also to guarantee that heat abstractor has excellent heat-sinking capability, with the heat energy produced during the in time loose work of the electronic package except electronic product inside, guarantee the normal operation of electronic product energy whereby, and then the work-ing life of the reliability of enhancing product performance and prolongation product.
To this, graphite flake (Graphite Sheet) is because having the low density characteristic relative to metal fin, and there is high heat radiation/heat conduction, insulate the characteristics such as anticorrosive and low thermal resistance, become at present to help electronic product to realize the preferred material of quick heat radiating/heat conduction.Graphite flake is except carrying out heat conduction along level, and it is laminar structured for also vertically can carrying out heat conduction, particularly graphite flake, therefore more can be applicable to the surface of any product, is beneficial to reach the effect of better heat radiation/heat conduction.
But in the preparation process of traditional graphite flake, usually first must carry out acidification and continuous high temperature calcination to produce fluffy of graphite to natural graphite flakes, then leaving standstill graphite fluffy specified time to move back temperature takes out.Afterwards, also fluffy for graphite must be rolled into the graphite flake of pre-determined thickness, to complete the preparation of graphite flake.It should be noted that the preparation process at single graphite flake, only can obtain a graphite flake, repeatable operation like this is by preparation times a large amount of for cost, and this cannot improve making the capacity efficiency of graphite flake.
Summary of the invention
The invention provides a kind of preparation method of graphite flake, the preparation method of described graphite flake comprises the following steps: provide the first graphite flake, and wherein the first graphite flake has first surface and the second surface relative to first surface; Stick first and second release base material respectively in first and second on the surface, wherein the first release base material covers first surface completely, and the second release base material covers second surface completely; First side along the first graphite flake is separated first and second release base material, the first graphite flake to be separated into thickness second and third graphite flake uniform; The second graphite flake after compacting is separated; Stick the surface of separation of the 3rd release base material to the second graphite flake; And be separated first and the 3rd release base material, the second graphite flake to be separated into thickness the uniform 4th and the 5th graphite flake along the second side of the second graphite flake.
Further, stick respectively this first and this second release base material in this first and this second surface on step after, also can comprise: perform a sealing schedule, with along this first side melting this first and this second release base material, and make this first and this second release base material be bonded with each other, and then form a junction surface, wherein this junction surface seals this first side completely; And an opening is formed on this junction surface.
Further, be separated along this first side of this first graphite flake this first and this second release base material step in, comprise: apply pulling force in this first and this second release base material on, to make this junction surface be split by this opening, and then be from being uniform one second and 1 the 3rd graphite flake of thickness along this first side of this first graphite flake by this first graphite flake.
Preferably, sealing program is this first side of heat pressurization, with melting this first and this second release base material, and make this first and this second release base material be bonded with each other along this first side, and then form this junction surface.
Preferably, sealing program for after first pressurizeing to this first side, then is carried out laser sintered to this first side, with melting this first and this second release base material, and make this first and this second release base material be bonded with each other along this first side, and then form this junction surface.
On the other hand, the invention provides a kind of preparation system of graphite flake, the preparation system of described graphite flake comprises sizing unit, separating unit, presser unit and control unit.Sizing unit is in order to the first surface respectively at the first graphite flake and the second surface relative to first surface to stick first and second release base material.Separating unit in order to be separated first and second release base material, the first graphite flake to be separated into two thickness second and third graphite flake uniform.Presser unit is in order to second after compacting separation or the 3rd graphite flake.Control unit is electrically connected sizing unit, separating unit and presser unit, and control unit is in order to control the operating state of sizing unit, separating unit and presser unit.
In sum, the preparation method of the graphite flake that the embodiment of the present invention proposes and system thereof, first and second release base material is sticked by the first surface and second surface of the first graphite flake, and by first and second release base material of separation so that the first graphite flake is divided into two, also be about to the first graphite flake and be separated into thickness second and third graphite flake uniform, then the 3rd release base material is sticked at the surface of separation of the second graphite flake, separation afterwards first and the 3rd release base material, to be separated into thickness the uniform 4th and the 5th graphite flake by the second graphite flake.Repeatable operation like this, except reducing the preparation time of conventional graphite sheet, also can simplify preparation flow.In addition, the preparation method of the graphite flake that the embodiment of the present invention proposes and system thereof, also can carry out at normal temperatures.Moreover the preparation method of the graphite flake that the embodiment of the present invention proposes and system thereof also must not use expensive process apparatus, and via chemical treatment, and need not can reduce preparation cost and reduce environmental pollution.
Further understand feature of the present invention and technology contents for enable, refer to following detailed description for the present invention and accompanying drawing, but this explanation and accompanying drawing are only used for the present invention is described, but not any restriction is done to interest field of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram attaching release base material according to two surfaces of the graphite flake of the embodiment of the present invention.
Fig. 2 is the schematic diagram separated along first side according to the graphite flake of the embodiment of the present invention.
Fig. 3 is the schema of the preparation method of graphite flake according to the embodiment of the present invention.
Fig. 4 is the schematic diagram that two surfaces of graphite flake are according to another embodiment of the present invention pasted with release base material.
Fig. 5 A is the schematic diagram that the graphite flake being pasted with release base material according to another embodiment of the present invention in two surfaces carries out side pressure seal.
Fig. 5 B is the schematic diagram after the graphite flake execution sealing schedule according to Fig. 5 A.
Fig. 5 C is for the junction surface according to Fig. 5 B being formed the schematic diagram of opening.
Fig. 5 D is the schematic diagram of the opening of graphite flake according to Fig. 5 C.
Fig. 6 is the schematic diagram of the opening of graphite flake according to another embodiment of the present invention.
Fig. 7 is the schematic diagram of the preparation system of graphite flake according to the embodiment of the present invention.
[description of reference numerals]
10,40: the first graphite flakes
10a: the second graphite flake
10b: the three graphite flake
11a, 41a: the first release base material
11b, 41b: the second release base material
12: first side
13: junction surface
14,14a, 64: opening
X, Y, Z: end points
V1, V2: vacuum attraction machine
L: medullary ray
100: the preparation system of graphite flake
110: control unit
120: sizing unit
130: separating unit
140: presser unit
S310 ~ S360: step
Embodiment
Hereafter will describe more fully by reference to the accompanying drawings and represent various exemplary embodiment.But concept of the present invention may embody in many different forms, should not be construed as and is only limitted to set forth exemplary embodiment herein.Specifically, this exemplary embodiment is provided to make the present invention for detailed and complete, and will will fully pass on the category of concept of the present invention to those skilled in the art.In many accompanying drawings, can in order to clear and exaggerate the size in Ceng Ji district and relative size.Similar numeral represents similar assembly all the time.
Although should be understood that and term first, second, third, etc. may be used herein to describe various assembly, these assemblies should not limit by this term.This term is used for differentiation one assembly and another assembly.Therefore, the first assembly hereafter discussed can be described as the second assembly and does not depart from the teaching of concept of the present invention.Term used herein " and/or " comprise any one and the one or more all combinations listed in project that are associated.
Hereinafter, describe multiple embodiment of the present invention for accompanying drawings in detail the present invention, and the same numbers label in accompanying drawing can in order to assembly like representation class.
The embodiment one of the preparation method of graphite flake
Please refer to Fig. 1, Fig. 1 is the schematic diagram attaching release base material according to two surfaces of the graphite flake of the embodiment of the present invention.As shown in Figure 1, the first graphite flake 10 (being known as laminar structured) first surface (such as upper surface) and stick respectively relative to the second surface (such as lower surface) of first surface and have the first release base material 11a and the second release base material 11b.Saying further, is the schematic diagram separated along first side according to the graphite flake of the embodiment of the present invention please with reference to Fig. 2, Fig. 2.As shown in Figure 2, vacuum attraction machine V1 and vacuum attraction machine V2 is utilized to adsorb the first release base material 11a and the second release base material 11b respectively, to be separated the first release base material 11a and the second release base material 11b, and then the first graphite flake 10 be separated 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, the second graphite flake 10a after utilizing roller press (not shown) roll extrusion to be separated or the 3rd graphite flake 10b, the sheet interlayer pitch smaller of graphite flake is made with the graphite flake after compacting separation, reach closely superimposed between layers, then the surface of separation in the second graphite flake 10a or the 3rd graphite flake 10b sticks the 3rd release base material (not shown), again utilize vacuum attraction machine V1 and vacuum attraction machine V2 afterwards, to be separated the second graphite flake 10a or the 3rd graphite flake 10b is multiple graphite flake.By the flow process that repeatable operation is above-mentioned, the preparation method of the graphite flake that the embodiment of the present invention proposes can reduce the preparation time of graphite flake, and can simplify preparation flow.
Next want teaching, to be that another act is graphic further illustrate the principle of work of the preparation method of graphite flake to understand content of the present invention.
Referring to Fig. 1, Fig. 2 and Fig. 3, Fig. 3 is the schema of the preparation method of graphite flake according to the embodiment of the present invention.As shown in Figure 3, described method comprises the steps.
Step S310: the first graphite flake is provided.As shown in Figure 1, the general graphite paper of the first graphite flake 10 such as being compacted.First graphite flake 10 can be planeform, helps heat radiation to be attached on electronic package.
Step S320: stick first and second release base material respectively in first and second on the surface.In this step, the first release base material 11a covers the first surface (such as upper surface) of the first graphite flake 10 completely, and the second release base material 11b covers the second surface (such as lower surface) of the first graphite flake 10 completely.First release base material 11a and the second release base material 11b is such as separate-type paper or plastics film, and material can be polyvinyl chloride (PVC), polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), cellulose family paper pulp or its mixture.One of first release base material 11a is coated with the first adhering layer (not shown) on the surface, to attach on the first surface of the first graphite flake 10, and second release base material 11b one be coated with the second adhering layer (not shown) on the surface, to attach on the second surface of the first graphite flake 10, wherein the first adhering layer and the second adhering layer are such as the sticking agent such as silica gel or acryl glue.It is worth mentioning that, the present embodiment does not limit the pattern of the first release base material 11a and the second release base material 11b or first and second adhering layer, cited material is only that the present embodiment is preferably selected, and those of ordinary skill in the art should carry out the material conversion of the first release base material 11a and the second release base material 11b or first and second adhering layer according to the knowledge in this field.
Step S330: the first side along the first graphite flake is separated first and second release base material, to be separated into thickness second and third graphite flake uniform by the first graphite flake.In this step, as shown in Figures 1 and 2, utilize the first release base material 11a and the second release base material 11b of vacuum attraction machine V1 and vacuum attraction machine V2 absorbed portion, that is along the first side 12 of the first graphite flake, to adsorb the first release base material 11a of first side 12 and the partial surface area of the second release base material 11b of close first graphite flake 10, then vacuum attraction machine V1 and vacuum attraction machine V2 is pulled away from respectively, the first graphite flake 10 to be separated into thickness uniform second graphite flake 10a and the 3rd graphite flake 10b.Say further, be pulled away from vacuum attraction machine V1 and vacuum attraction machine V2 to be separated into by the first graphite flake 10 in the process of thickness uniform second graphite flake 10a and the 3rd graphite flake 10b, described vacuum attraction machine V1 and vacuum attraction machine V2 also arranges in pairs or groups a roller set (not shown), in order to draw vacuum attraction machine V1 and vacuum attraction machine V2, and then the first graphite flake 10 is separated into thickness uniform second graphite flake 10a and the 3rd graphite flake 10b jointly.It should be noted that, because graphite flake is laminar structured, so in step s 320, by the first release base material 11a and the second release base material 11b is sticked respectively and be covered in the first graphite flake 10 completely first and second on the surface, and in step S330, vacuum attraction machine V1 and vacuum attraction machine V2 is utilized to adsorb the first release base material 11a of first side 12 and the partial surface area of the second release base material 11b of close first graphite flake 10, and be pulled away from vacuum attraction machine V1 and vacuum attraction machine V2, and the first graphite flake 10 can be separated into uniform two graphite flakes of thickness (i.e. the second graphite flake 10a and the 3rd graphite flake 10b), wherein the thickness of the second graphite flake 10a and the 3rd graphite flake 10b is close.In addition, palpus one is carried, and after execution step S330, the surface of separation of the second graphite flake 10a and the 3rd graphite flake 10b has by product and produces (being such as Graphene).Graphene is a kind of transparent, good conductor, can be applied in the manufacture of transparent touch screen, tabula rasa or even solar cell.
Step S340: the second graphite flake after compacting is separated.Because the density of the second graphite flake 10a after separation is not like the first graphite flake 10 consolidation so, therefore the second graphite flake 10a after roller press (not shown) roll extrusion need be utilized to be separated.It should be noted that in another embodiment, the second graphite flake 10a after thermocompressor also can be utilized to carry out compacting separation, the present embodiment does not limit the possible operation scheme of compacting second graphite flake 10a.
Step S350: the surface of separation sticking the 3rd release base material to the second graphite flake.In this step, the 3rd release base material (not shown) covers the surface of separation of the second graphite flake 10a completely.In addition, the material of the 3rd release base material also can be identical with the first release base material 11a and the second release base material 11b, be such as separate-type paper or the plastics films such as polyvinyl chloride (PVC), polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), cellulose family paper pulp or its mixture, and one of the 3rd release base material is coated with the sticking agent such as silica gel or acryl glue on the surface, to attach on the surface of separation of the second graphite flake 10a.Certainly, the present embodiment does not also limit the possible pattern of the 3rd release base material and sticking agent, and aforementioned cited material is only that the present embodiment is preferably selected.
Step S360: along second side separation first and the 3rd release base material of the second graphite flake, the second graphite flake to be separated into thickness the uniform 4th and the 5th graphite flake.In this step, similarly, utilize the second release base material 11b and the 3rd release base material (not shown) of vacuum attraction machine V1 and vacuum attraction machine V2 absorbed portion, that is along the side (i.e. described second side) of the second graphite flake 10a, to adsorb respectively near the second release base material 11b of second side and the partial surface area of the 3rd release base material, and then the second graphite flake 10a is separated into uniform 4th graphite flake (not shown) of thickness and the 5th graphite flake (not shown).
Furthermore, after execution step S360, those of ordinary skill in the art also can perform the preparation flow being similar to step S340 ~ step S360, further the 4th graphite flake or the 5th graphite flake are divided into thinner multiple graphite flakes to the 4th graphite flake or the 5th graphite flake.So repeatedly the preparation flow being similar to step S340 ~ step S360 is performed to the graphite flake after separation, then can generate the graphite flake of different thickness, to do different application.Therefore, the preparation method of the graphite flake that the embodiment of the present invention proposes, except reducing the preparation time of conventional graphite sheet, also can simplify preparation flow.In addition, the preparation method of the graphite flake that the embodiment of the present invention proposes, because can carrying out at normal temperatures and must not using expensive process apparatus, therefore can make preparation cost reduce.Moreover, the preparation method of the graphite flake that the embodiment of the present invention proposes, due to need not via chemical treatment, therefore also can decreasing pollution.
Need one carry be, in above-mentioned steps S340, except carrying out except compaction procedure to the second graphite flake 10a, also can carry out compaction procedure to the 3rd graphite flake 10b, and further step S350 ~ step S360 is performed to the 3rd graphite flake 10b after compacting, to produce more graphite flake further, that is the present embodiment does not limit only to second graphite flake 10a execution step S340 ~ step S360.
Should be noted that at this, each step of the embodiment shown in Fig. 3 only needs for convenience of description, the embodiment of the present invention is not using each step order to each other as the restricted condition implementing each embodiment of the present invention.
The embodiment two of the preparation method of graphite flake
Please refer to Fig. 4, Fig. 4 is the schematic diagram that two surfaces of graphite flake are according to another embodiment of the present invention pasted with release base material.In the present embodiment, with above-mentioned Fig. 1 embodiment unlike, attach to the first release base material 41a on two surfaces of the first graphite flake 40 and the second release base material 41b, not flush in the dual-side of the first graphite flake 40, but protrude from a wherein side of the first graphite flake 40, whereby to perform above-mentioned steps S330 by mechanical arm or artificial mode, complete the separation of the first 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 greater 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 first and second surface (i.e. the upper and lower surface of the first graphite flake 40) of the first graphite flake 40 upper after, the first release base material 41a and the second release base material 41b protrudes from the same side (as shown in Figure 4) of the first graphite flake 40.Next, in step S330, first release base material 41a and the second release base material 41b just can utilize mechanical arm or artificial mode to replace vacuum attraction machine V1 and vacuum attraction machine V2, 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 uniform two graphite flakes of thickness.Afterwards, at least one graphite flake after separation is performed successively to the step S340 ~ step S360 of Fig. 3 embodiment, to complete the preparation of the graphite flake of different thickness.
In the present embodiment, the correlative detail about each step of the preparation method of graphite flake describes in detail in above-mentioned Fig. 1 ~ Fig. 3 embodiment, does not repeat them here.
The embodiment three of the preparation method of graphite flake
Be the schematic diagram that the graphite flake being pasted with release base material according to another embodiment of the present invention in two surfaces carries out side pressure seal referring to Fig. 5 A, Fig. 5 B and Fig. 5 C, Fig. 5 A.Fig. 5 B is the schematic diagram after the graphite flake execution sealing schedule according to Fig. 5 A.Fig. 5 C is for the junction surface according to Fig. 5 B being formed the schematic diagram of opening.In the present embodiment, with above-mentioned Fig. 1 to Fig. 3 embodiment unlike, after step S320 and before step S330, also must perform a sealing schedule, with along the first side 12 melting first release base material 11a of the first graphite flake 10 and the second release base material 11b, and the first release base material 11a and the second release base material 11b is bonded with each other, and then form a junction surface 13, and described junction surface 13 can seal first side 12 completely.Next, junction surface 13 forms an opening 14.So, in step S330, when being pulled away from vacuum attraction machine V1 and vacuum attraction machine V2, junction surface 13 will be made to be split by opening 14, and then cause the first graphite flake 10 to be separated into thickness uniform second graphite flake 10a and the 3rd graphite flake 10b along first side 12.
In detail, above-mentioned sealing schedule is such as utilizing a thermocompressor or the first side 12 of a hot roller press (not shown) to the first graphite flake 10 to carry out hot pressing or hot roll extrusion, cause the part first release base material 11a and the second release base material 11b temperature rising that are adjacent to first side 12, and make the first release base material 11a and the second release base material 11b 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 forms described junction surface 13.It should be noted that, in fact, the thickness of the first graphite flake 10 is in fact very thin, therefore in the process of the first side 12 of the first graphite flake 10 being carried out to heat pressurization, the thickness being positioned at the part graphite of the first side 12 of the first graphite flake 10 can become thinner, thus, after the first release base material 11a and the second release base material 11b is heated melting, just can produce Zygosis Phenomenon and seal the first side 12 of the first graphite flake 10.It is worth mentioning that, in another embodiment, sealing schedule also can such as not heat the first side 12 of the first graphite flake 10 for the action that utilizes general roller press or other general press only first to pressurize to the first side 12 of the first graphite flake 10.And after pressurizeing in the first side 12 of the first graphite flake 10, carry out laser sintered with high-temperature laser to first side 10 again, with melting first release base material 11a and the second release base material 11b, and the first release base material 11a and the second release base material 11b is bonded with each other along first side 12, and then form described junction surface 13.
On the other hand, please with reference to Fig. 5 D, Fig. 5 D be the schematic diagram of opening of graphite flake according to Fig. 5 C.In the present embodiment, the mode that junction surface 13 is formed opening can be, utilize laser machine to send a laser, and via operation laser machine control laser along centre line L by end points X cut draw to end points Y, to form the opening 14a that length is equal to first side 12 length on junction surface 13.Thus, in step S330, utilize the first release base material 11a of vacuum attraction machine V1 and vacuum attraction machine V2 absorbed portion and the second release base material 11b and when being pulled away from vacuum attraction machine V1 and vacuum attraction machine V2, junction surface 13 can be made to be split by opening 14a, and cause the first graphite flake 10 to be separated into thickness uniform second graphite flake 10a and the 3rd graphite flake 10b along first side 12.
It should be noted that and please refer to Fig. 6, Fig. 6 is the schematic diagram of the opening of graphite flake according to another embodiment of the present invention.In another embodiment, when utilizing laser machine centrally line L streaking junction surface 13, only end points Z can be drawn by end points X, to form the opening 64 that Opening length is shorter than opening 14a.In detail, because the first graphite flake 10 is laminar structured, even if therefore do not form the opening 64 that length as opening 14a is longer, when adsorbing the first release base material 11a and the second release base material 11b via vacuum attraction machine V1 and vacuum attraction machine V2 and being pulled away from vacuum attraction machine V1 and vacuum attraction machine V2, also the first graphite flake 10 can be separated into thickness uniform second graphite flake 10a and the 3rd graphite flake 10b smoothly.
Next, just step S340 as described in Fig. 3 embodiment can be performed to step S360, to prepare more graphite flake to the second graphite flake 10a after being separated or the 3rd graphite flake 10b.In the present embodiment, the correlative detail about each step of the preparation method of graphite flake describes in detail in above-mentioned Fig. 1 ~ Fig. 3 embodiment, does not repeat them here.
Need one carry be, in another embodiment, as shown in Figure 4, for the side being protruding with the first release base material 41a and the second release base material 41b of the first graphite flake 40, those of ordinary skill in the art also can perform above-mentioned sealing schedule to the side of described first graphite flake 40, to seal the side of described first graphite flake 40, in the edge surface of the first graphite flake 40 after sealing, then form the opening as shown in Fig. 5 C embodiment.
The embodiment one of the preparation system of graphite flake
It is the schematic diagram of the preparation system of graphite flake according to the embodiment of the present invention referring to Fig. 1 to Fig. 3 and Fig. 7, Fig. 7.The preparation system 100 of graphite flake comprises control unit 110, sizing unit 120, separating unit 130 and presser unit 140.Control unit 110 is electrically connected sizing unit 120, separating unit 130 and presser unit 140 respectively, and control unit 110 is in order to control the running status of sizing unit 120, separating unit 130 and presser unit 140, control unit 110 is such as computer installation.
Sizing unit 120 is in order to the first surface respectively at the first graphite flake 10 and relative to the second surface of first surface sticking the first release base material 11a and the second release base material 11b.Separating unit 130 is in order to be separated the first release base material 11a and the second release base material 11b, the first graphite flake 10 to be separated into two thickness uniform second graphite flake 10a and the 3rd graphite flake 10b, wherein separating unit 130 comprises vacuum attraction machine V1 as previous embodiment and vacuum attraction machine V2, to be separated the first release base material 11a and the second release base material 11b.The second graphite flake 10a after presser unit 140 is separated in order to compacting or the 3rd graphite flake 10b, wherein presser unit 140 is such as roller press or the thermocompressor of previous embodiment.
It should be noted that the possible embodiment of the preparation system about graphite flake, be that those of ordinary skill in the art can know by inference easily according to above-mentioned Fig. 1 ~ Fig. 4 embodiment, therefore do not repeat them here.
In sum, the preparation method of the graphite flake that the embodiment of the present invention proposes and system thereof, except the preparation time of conventional graphite sheet can be reduced, also preparation flow can be simplified, and compared to traditional process preparing graphite flake, the preparation method of described graphite flake and system thereof can be carried out at normal temperatures, and must not use expensive process apparatus, also need not via chemical treatment, and preparation cost can be made to reduce and decreasing pollution.
Above-mentioned disclosed accompanying drawing and explanation, be only embodiments of the invention, not be used for limiting the present invention, any those skilled in the art, when doing various changes and retouching according to above-mentioned explanation, therefore every simple equivalence change done according to the present patent application the scope of the claims and invention description content with modify, all still belong within scope that patent of the present invention contains.
Claims (10)
1. a preparation method for graphite flake, is characterized in that, comprising:
There is provided one first graphite flake, wherein this first graphite flake has a first surface and the second surface relative to this first surface;
Stick respectively one first and 1 second release base material in this first and this second surface on, wherein this first release base material covers this first surface completely, and this second release base material covers this second surface completely; And
A first side along this first graphite flake be separated this first and this second release base material, this first graphite flake to be separated into uniform one second and 1 the 3rd graphite flake of thickness.
2. the preparation method of graphite flake as claimed in claim 1, is characterized in that, stick respectively this first and this second release base material in this first and this second surface on step after, also comprise:
Perform a sealing schedule, with along this first side melting this first and this second release base material, and make this first and this second release base material be bonded with each other, and then form a junction surface, wherein this junction surface seals this first side completely; And
This junction surface is formed an opening.
3. the preparation method of graphite flake as claimed in claim 2, is characterized in that, be separated along this first side of this first graphite flake this first and this second release base material step in, comprise:
Apply pulling force in this first and this second release base material on, to make this junction surface be split by this opening, and then along this first side of this first graphite flake, this first graphite flake is separated into uniform one second and 1 the 3rd graphite flake of thickness.
4. the preparation method of graphite flake as claimed in claim 2, it is characterized in that, sealing program is this first side of heat pressurization, with melting this first and this second release base material, and make this first and this second release base material be bonded with each other along this first side, and then form this junction surface.
5. the preparation method of graphite flake as claimed in claim 2, it is characterized in that, sealing program is after first pressurizeing to this first side, carry out laser sintered to this first side again, with melting this first and this second release base material, and make this first and this second release base material be bonded with each other along this first side, and then form this junction surface.
6. the preparation method of graphite flake as claimed in claim 1 or 2, is characterized in that, also comprise:
This second graphite flake after compacting is separated;
Stick the surface of separation of one the 3rd release base material to this second graphite flake; And
A second side along this second graphite flake be separated this first and the 3rd release base material, this second graphite flake to be separated into thickness uniform 1 the 4th and 1 the 5th graphite flake.
7. the preparation method of graphite flake as claimed in claim 1, is characterized in that, this first and this second release base material protrude from this first side of this first graphite flake respectively.
8. the preparation method of graphite flake as claimed in claim 1, is characterized in that having one first adhering layer between this first release base material and this first surface, has one second adhering layer between this second release base material and this first surface.
9. the preparation method of graphite flake as claimed in claim 1, is characterized in that, also comprise:
Multiple vacuum attraction machine is provided, with adsorb respectively this first and this second release base material.
10. a preparation system for graphite flake, is characterized in that comprising:
One sizing unit, in order to respectively at a first surface of one first graphite flake and relative to a second surface of this first surface sticking one first and 1 second release base material;
One separating unit, in order to be separated this first and this second release base material, this first graphite flake to be separated into uniform one second and 1 the 3rd graphite flake of two thickness;
One presser unit, after being separated in order to compacting this second or the 3rd graphite flake; And
One control unit, is electrically connected this sizing unit, this separating unit and this presser unit, and this control unit is in order to control the working order of this sizing unit, this separating unit and this presser unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122837.3A CN104944415B (en) | 2014-03-28 | 2014-03-28 | Method for preparing flake graphite and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122837.3A CN104944415B (en) | 2014-03-28 | 2014-03-28 | Method for preparing flake graphite and system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104944415A true CN104944415A (en) | 2015-09-30 |
| CN104944415B CN104944415B (en) | 2017-05-10 |
Family
ID=54159560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410122837.3A Expired - Fee Related CN104944415B (en) | 2014-03-28 | 2014-03-28 | Method for preparing flake graphite and system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104944415B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283184A (en) * | 2016-08-31 | 2017-01-04 | 无锡东恒新能源科技有限公司 | A kind of monocrystal graphite material preparation facilities |
| CN106395813A (en) * | 2016-08-31 | 2017-02-15 | 无锡东恒新能源科技有限公司 | Preparation and purification device of monocrystalline graphite material |
| CN106430176A (en) * | 2016-08-31 | 2017-02-22 | 无锡东恒新能源科技有限公司 | Graphite material small-thickness spreading and pressing forming device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211314A1 (en) * | 2002-05-13 | 2003-11-13 | Rutherford Robert B. | Ultra-thin flexible expanded graphite heating element |
| 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 |
-
2014
- 2014-03-28 CN CN201410122837.3A patent/CN104944415B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211314A1 (en) * | 2002-05-13 | 2003-11-13 | Rutherford Robert B. | Ultra-thin flexible expanded graphite heating element |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283184A (en) * | 2016-08-31 | 2017-01-04 | 无锡东恒新能源科技有限公司 | A kind of monocrystal graphite material preparation facilities |
| CN106395813A (en) * | 2016-08-31 | 2017-02-15 | 无锡东恒新能源科技有限公司 | Preparation and purification device of monocrystalline graphite material |
| CN106430176A (en) * | 2016-08-31 | 2017-02-22 | 无锡东恒新能源科技有限公司 | Graphite material small-thickness spreading and pressing forming device |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104944415B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205140763U (en) | Flexible current -collecting body | |
| CN104944415A (en) | Method for preparing flake graphite and system thereof | |
| CN203715553U (en) | Graphene heat conducting membrane | |
| CN106079693B (en) | A kind of graphene metal composite sheet material and preparation method thereof | |
| CN110294866B (en) | Low-additive-amount high-molecular-material laser marking powder and preparation method thereof | |
| CN105590703A (en) | Preparation method of graphical three-dimensional graphene/polyurethane flexible conductive film | |
| CN108640109B (en) | Preparation method of graphene heat dissipation film with fractal structure | |
| JP6080738B2 (en) | Method for producing carbon nanotube sheet | |
| CN210528843U (en) | Aerogel heat insulation film | |
| CN110414653A (en) | A kind of RFID label tag and its processing method and graphene antenna | |
| CN103231558A (en) | Production process of moisture-resistant high-temperature-resistant mica plate | |
| CN108790346B (en) | Release paper for fast pressing of flexible circuit board and manufacturing process thereof | |
| CN203855543U (en) | Thermally conductive graphite composite film | |
| KR100975885B1 (en) | Manufacturing method of carbon sheet coated mixed dispersion solvent base on expanded graphite powder | |
| CN205522982U (en) | Radium -shine transfer machine | |
| CN105589599A (en) | Method for manufacturing graphene touch sensor | |
| CN105365304A (en) | RFID tag antenna based on non-transparent PET film and manufacturing technology thereof | |
| CN206030662U (en) | No substrate graphite alkene heat conduction membrane | |
| CN202543607U (en) | Online carbon-fiber gumming production line | |
| CN208156704U (en) | A kind of RFID tag | |
| CN110246607A (en) | A kind of flexible transparent conductive film and its preparation method and application of high transparency high bond strength | |
| CN203715554U (en) | Protective adhesive tape for touch screen | |
| CN107127213B (en) | A method of preparing very thin metal molybdenum foil | |
| TWI500515B (en) | Method for preparation of graphite sheet and system thereof | |
| CN104656996A (en) | Touch unit, touch substrate, manufacturing method of touch substrate and flexible touch display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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 |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |